Showing posts with label CO2. Show all posts
Showing posts with label CO2. Show all posts
Sunday, February 4, 2024
Friday, November 24, 2023
Saturday, March 7, 2020
Wednesday, November 28, 2018
Mitigating Forest Fires by Harvesting Potentially Hazardous Woodland Biomass for the Production of Renewable Methanol
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| California Fires 2018 (Credit: David McNew/Getty) |
by Marcel F. Williams
California's forest, woodland areas, and its nearby residents are the latest victims of climate change as the world's fossil fuel dominated energy economy continues to increase greenhouse gasses in the Earth's atmosphere to dangerous levels.
The state of California has 33 million acres of forest land. Less than 400,000 of that acreage burned in California from 1980 to 1990. But just last year, 1.4 million acres burned in California. And so far this year, 1.8 million acres of California land has burned.
Why?
California has grown 3 degrees warmer during the autumn seasons over the past 40 years while rainfall in the state has decreased by about one third during the same period of time.
The Federal government owns about 57% of the woodlands in California. Privately owned forest accounts for about 40% of California's woodland areas. But the State of California only owns about 3% of Califorinia's forest.
It is currently estimated that California's woodland areas have approximately 129 million dead trees. . Ironically, removing dead trees actually enables the spread of grasses and combustible weeds that make forest more likely to burn. Dry kindling, brush, bushes and twigs are the principal catalyst for the rapid spread of wildfires. So such vegetation also has to be safely managed.
Some of the worst forest fires in California have been caused by power lines. This has prompted some in the state to suggest burying power lines that transverse forested areas. But their are more than 176,000 miles of power lines in California. And putting power lines underground would cost ten times as much as stringing them on poles.
Controlled burning of woodland vegetation has long been a method for fire mitigation since before the arrival of Europeans in North America. But burning woodland vegetation would increase the amount of excess carbon dioxide put into the Earth's atmosphere, exacerbating the problem of rising temperatures that have helped to enhance the fire danger in California in the first place.
But there is an alternative solution that could make the mitigation of forest fires in California economically sustainable while also reducing California's dependence on fossil fuels. And such measures cold eventually lead California's energy production and use becoming completely carbon neutral. And all it would take would be for two legislative measures to pass within the State of California.
Its my view that the State government in California should pass legislation that:
1. Mandates that all utilities producing electricity within the State of California produce at least 5% of that electricity for their customers by using-- bio-methanol-- directly derived from the dead trees and potentially dangerous woodland biomass in California’s forest and wooded residential areas by the year 2025 and up to 10% by the year 2030
and
2. Requires all gasoline sold in California to contain at least 5%-- bio-gasoline-- synthesized from bio-methanol that is directly derived from the dead trees and potentially dangerous woodland vegetation in California's forest and wooded residential areas by the year 2025 and up to 10% by the year 2030.
That's it!
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| Methanol electric power plant at Point Lisas, Trinidad (Credit: Mendenhall Technical Services) |
Approximately 33% of the electricity produced in California is generated by natural gas power plants. About 53% of California's electric power is produced by carbon neutral renewable and nuclear power energy sources.
Its neither difficult nor exorbitantly expensive to modify an existing natural gas electric power plant to use methanol instead of natural gas. Additionally, methanol electric power plants would have a higher electric power output than burning natural gas thanks to wood alcohol's low heating value, low lubricity, and low flash point.
Gasoline can be blended with methanol up to 15% without any modifications to an automobile. But
energy companies have been able to synthesize methanol directly into high octane gasoline since the 1970s. And this would allow any level of mixing with gasoline from petroleum. In theory, you could have gasoline that is 80% derived from bio-methanol and 10% from petroleum with the remaining 10% of the fuel being composed of ethanol. Such an automotive fuel would be-- 90% derived-- from renewable biomass, reducing the utilization of gasoline from oil by 90%.
Any increases in the cost of gasoline containing bio-gasoline from bio-methanol could encourage Californians to purchase more fuel efficient electric and plug-in-hybrid electric vehicles. But a vehicle fuel mix of 10% ethanol (Federally mandated), 10% gasoline from bio-methanol, and 80% gasoline from petroleum could substantially reduce oil demand, possibly mitigating any additional cost related to a mandated use of 10% bio-gasoline.
Methanol could also be directly used in high fuel efficiency hybrid fuel cell vehicles. Using methanol directly in automobiles would, of course, be cheaper than converting methanol into gasoline. Bio-methanol derived from California's forest could also be used to produce biodiesel.
There is also a growing global interest in using methanol to power sea vessels. Methanol powered ships would be cleaner and bio-methanol ships with no sulfur emissions and lower nitrogen oxide emissions relative to current marine vessels powered by fuels synthesized from petroleum. Marine methanol ferries are already operating between Sweden and Germany.
Legislation mandating the use of bio-methanol from California's forest should provide a strong economic incentive for energy companies selling electricity and gasoline in California to hire forest workers to aggressively harvest dead trees and other potentially dangerous woodland vegetation from California forest and residential woodland areas for conversion into methanol. This should substantially reduce the level of fire danger in California's woodland areas while also reducing the amount of CO2 put into the atmosphere as the result of the reduction in forest fire and forest fire intensity.
Beyond the reduction in fire danger, hiring people to harvest potentially dangerous woodland biomass should have a positive economic impact for nearby residential communities. Converting at least 10% of the natural gas power plants in California for methanol utilization should also have some positive economic impact for communities near such energy producing facilities. And the deployment of pyrolysis and synthesis facilities designed to convert biomass into methanol within California should have positive economic impact for the entire state.
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| Notional Flying Whale airship (Credit: Flying Whales) |
The enhanced harvesting of dead trees and potentially dangerous woodland vegetation from remote forest might also encourage energy companies within California to utilize the next generation of airship technology. And airships might also greatly enhance the ability of the State of California and the US Federal government to fight fires in California's forest.
Airships being developed by the French company, Flying Whales, are being designed to transport up to 60 tonnes of lumbar within forested areas. Such airship technology could obviously be of use in California for removing the hundreds of dead trees that currently exist in California forest.
Lockheed Martin, on the other hand, is developing an airship that could transporting payloads up to 20 tonnes in mass within a large cargo bay. Forest kindling, grass, bushes, twigs and other potentially dangerous vegetation could be removed from California forest by Lockheed Martin's airships.
Similar airship technology could also be used by the State and Federal government to fight forest fires, dousing woodland fires and residential areas near forest with tonnes of water routinely retrieved from nearby lakes. The Lockheed Martin airships could also be used to rescue residents and fire fighters that might be trapped by raging forest fires.
The aggressive utilization of airship technology in California could help California businesses to lead the US and the world in the new age of airships. And, in theory, such airships could be fueled with dimethyl ether, derived from methanol derived from California's forest my modifying the diesel engines to use dimethyl ether.
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| Lockheed Martin airship (Credit: Lockheed Martin) |
The introduction of a methanol economy into California could also enhance the ability of the state to become-- completely carbon neutral by mid century. This, however, would require the production of hydrogen through renewable or nuclear resources-- or a combination of both. Hydrogen could be used to synthesize methanol from wasted CO2 from the pyrolysis of urban and rural biomass and from the CO2 waste from the flu gasses of methanol electric power plants.
For California to be completely carbon neutral, all of the natural gas electric power plants in California would have to be converted into methanol power plants. The gradual conversion of electric power production from natural gas to renewable methanol would make California carbon negative during the transition from fossil fuels to renewable biomass, with more CO2 being extracted from the Earth's atmosphere than being returned to the atmosphere. However, once all fossil fuel power plants have been replaced by methanol power plants that recycle CO2 from methanol synthesis and flu gas, then electric energy production and consumption in California would be carbon neutral.
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| Synthesis of renewable methanol from biomass. |
Hydrogen in California could be produced from large solar or nuclear facilities located near biomass pyrolysis plants and methanol electric power plants. Alternatively, such facilities located near California coastlines could liquefy the carbon dioxide, exporting the CO2 by tankers to remote ocean nuclear power or renewable (floating wind, solar, or OTEC) facilities in remote US territorial waters where methanol and other renewable synthetic fuels could be safely manufactured. The Exclusive Economic Zones (EEZ) surrounding remote island territories such as: Wake Island, Howland Island, Baker Island, Johnston Atoll, Jarvis Island, etc. could be regions where floating vessels could use carbon neutral energy sources to produce methanol, jet fuel, dimethyl ether, gasoline and diesel fuel far away from urban populations. Methanol could then be shipped by methanol powered tankers back to the California coastline to fuel its methanol electric power plants or for conversion into renewable gasoline.
But once the transition from fossil fuels is complete, California energy production and consumption would be carbon neutral. Eventually, California will have a shortage of bio-carbon resources for its energy economy which would require the extraction of additional CO2 directly from the atmosphere or from seawater or both.
Links and References
Senate Passes Legislative Packagein Response to Wildfire Danger
Thinning California's fire-proneforests: 5 things to know aslawmakers move toward a plan
What fire researchers learnedfrom California’s blazes
Methanol for Power Generation
Methanol as a Low Cost Alternative Fuel for Emission Reduction in Gas Turbines
Methanol - Gaining Twice: Improving Both the Quality of Air as well as Providing a Reliable Electricity Supply
Renewable Methanol as Liquid Electricity
The Methanol Alternative: 2012 Methanol Forum
The Production and Utilization of Renewable Methanol in a Nuclear Economy
Methanol Fuel Blending
The Production of Bio-MethanolThe rise, rise, rise of bio-methanol for fuels and chemical markets
In France, whales soon will fly
Lockheed Martin LMH-1 (P-791)
Gigantic airships aim to dampforest fires
Monday, July 25, 2016
Using Small Nuclear Reactors for Navy Synfuel Production
Links and References
1. The Future of Ocean Nuclear Synfuel Production
2. Will Russia and China Dominate Ocean Nuclear Technology?
3. Nuclear Navy's Synfuel from Seawater Program: An interview with Kathy Lewis of the U.S. Naval Research Laboratory
Tuesday, December 15, 2009
The Cost of Cleaner Energy

Der Spiegel has posted a very interesting chart on the cost of reducing excess CO2 in the Earth's atmosphere. I appears that nuclear energy is easily the cheapest method for reducing global warming. What a surprise!
Labels:
biofuels,
CO2,
global warming,
nuclear energy,
nuclear power,
solar energy,
wind power
Sunday, March 22, 2009
The Worse Case Scenario
Earth's continents if the polar ice caps melt completely, raising global sea levels nearly 80 metersSea levels are rising. And global warming due to the anthropogenic production of greenhouse gases appears to be the primary cause for the gradual increase in global sea levels. Ocean levels are currently rising at about 1.8 mm per year. However, along the US mid-Atlantic and Gulf Coasts, sea levels are rising at approximately 3 mm per year. In the geologic history of the Earth, there is nothing new about changing sea levels. But this may be the first time in the history of our planet that sea level changes may result from human activity.
The new coastline of the eastern half of the United States if sea levels rise nearly 80 metersThe dawn of human civilization coincides with the end of the last ice age and the beginning of a warmer interglacial period. Human civilization also arose during a time of rising sea levels that had already begun before the end of the Pleistocene. Since the termination of the last glacial maximum 20,000 years ago, global seas levels have risen over 120 meters. But an extremely rapid rise occurred between 15,000 and 6,000 years ago resulting in a 90 meter rise in sea levels. But in a mere 500 year period , global sea levels rose an astounding 20 meter (~ 4 meters per century/~ 1 meter every 25 years) just 14,600 years ago. So natural changes in sea level can occur rapidly!
West coast of US after an 80 meter rise in sea levels Carbon dioxide is the primary anthropogenic greenhouse gas being produced by human civilization mostly through the combustion of coal (35%), transportation fuels (36%), natural gas (20%) and the production of cement (3%). And any increase in anthropogenic global warming also increases the melting and evaporation of water, most significant natural greenhouse gas, which further increases global temperatures and the melting of the ice caps-- and the feedback evaporation of even more water! The latest ice drilling studies in the Antarctic indicate that CO2 levels are now substantially higher than they've been in the last 800,000 years, that's higher than the CO2 levels during an interglacial period some 390 and 550 thousand years ago when sea levels were between 17 to 23 meters higher than today. Just a ten meter rise in sea level would flood coastal regions in the US degree that it would cause the displacement of nearly 25% of the total US population.
South America if sea levels rise 80 metersMethane is another anthropogenic greenhouse gas that has been steadily increasing in the atmosphere. Methane gas accounted for 20% of the cumulative greenhouse effect form 1750 to the year 2000. And methane gas has a global warming potential 23 times that of CO2 over a 100 year period even though methane only remains in the atmosphere for only about 8 years after decomposing into another greenhouse gas-- carbon dioxide. But humanity may be on the verge of releasing another enormous natural source of this super greenhouse gas.
Since the Industrial Revolution methane concentrations in the Earth's atmosphere has increased by 150% due to human agriculture, landfill creation, and fossil fuels. But these sources of methane are miniscule compared to the quantities of methane that could be released from the huge areas of permafrost on the Earth's surface. These permafrost stores contain vast quantities of carbon from dead plant and animal matter that could decay into methane as they thawed as the result of methane-producing microbes.
Many geologist suspect that it was the rapid release of huge quantities of methane into the atmosphere that caused dramatic increases in global temperatures in Earth's history. It is estimated that the Siberian Shelf alone contains some 1,400 billion tonnes of methane in gas hydrates, which is double the amount of carbon contained in all the plant life on the surface of the Earth. From 1974 and 2000, methane emissions increased by 58 per cent in the part of northern Siberia. The source of this new methane may be from the melting of these northern wetlands which could boost current levels of atmospheric methane ten-fold if it were to totally escape. Permafrost in the Earth's Northern Hemisphere is believed to contain at least 950 billion tonnes of carbon.
Since the Industrial Revolution methane concentrations in the Earth's atmosphere has increased by 150% due to human agriculture, landfill creation, and fossil fuels. But these sources of methane are miniscule compared to the quantities of methane that could be released from the huge areas of permafrost on the Earth's surface. These permafrost stores contain vast quantities of carbon from dead plant and animal matter that could decay into methane as they thawed as the result of methane-producing microbes.
Many geologist suspect that it was the rapid release of huge quantities of methane into the atmosphere that caused dramatic increases in global temperatures in Earth's history. It is estimated that the Siberian Shelf alone contains some 1,400 billion tonnes of methane in gas hydrates, which is double the amount of carbon contained in all the plant life on the surface of the Earth. From 1974 and 2000, methane emissions increased by 58 per cent in the part of northern Siberia. The source of this new methane may be from the melting of these northern wetlands which could boost current levels of atmospheric methane ten-fold if it were to totally escape. Permafrost in the Earth's Northern Hemisphere is believed to contain at least 950 billion tonnes of carbon.
Europe if sea levels rise nearly 80 metersAntarctica, Greenland, and all the other ice caps, ice fields, and valley glaciers contain approximately 32 million cubic kilometers of ice. If global warming caused the ice sheets that cover Greenland completely melted then global sea levels would rise more than 6 meters. If Antarctica's ice sheets should melt, then global sea levels would rise an additional 73 meters. So, in total, if the greenhouse effect from carbon dioxide and methane gas cause all of the world's ice caps, ice fields, and glaciers to completely lose their ice-- then global sea levels could rise more than 80 meters!
Africa after an 80 meter rise in global sea levelsA world completely devoid of polar ice caps would certainly not be the end of the world. But it would a a new world! It would be a world without cities like: New York, Boston, New Orleans, Houston, Washington D.C., Tokyo, Bangkok, London, Rome, Berlin. In the US, states like Florida and Louisiana would be completely underwater along with a good portion of the US Eastern and southern coastal states. California's agricultural breadbasket, the San Joaquin Valley, would once again become the San Joaquin Sea as it was back in the early Pliocene. Nations like Cambodia and Bangladesh would be almost completely underwater. Brazil's mighty Amazon River would be replaced by a huge inland sea.
But new ice free lands would be open for colonization by humanity in Greenland and Antarctica-- for those humans who would like to live in long periods of constant darkness or constant sunlight.
But new ice free lands would be open for colonization by humanity in Greenland and Antarctica-- for those humans who would like to live in long periods of constant darkness or constant sunlight.
Asia after an 80 meter rise in sea levelsCarbon dioxide polluting fossil fuels are used by human civilization to produce electricity, chemical processing, and for transportation. In the US, only 30% of our electricity is produce from non-carbon dioxide polluting sources. Approximately 71% of the non-carbon dioxide polluting energy in America is produced by nuclear energy, 25% produced by hydroelectricity, and less than 4% by renewable energy resources. Only 20% of electricity in the US is produced from nuclear power while in major countries with more than three times lower per capita-- carbon footprints-- such as Sweden, France who supply 47% to nearly 80% of their electricity through nuclear power.
Australia after an 80 meter rise in sea levelWith the coming of electric and Plug-in-Hybrid vehicles, a significant amount of petroleum fuel could be replaced by non-carbon dioxide polluting nuclear and renewable energy resources. Carbon neutral hydrocarbon synfuels can also be produced through nuclear and renewable energy resources. If there are fears about the potential dangers of nuclear proliferation then the nuclear power nations could export synthetic hydrocarbon fuels to nations without nuclear power generators.
But in order to avoid the worse case scenario and to minimize the economic and environmental consequences of climate change and rapid global sea rise on our planet, the world needs to move rapidly and aggressively towards a nuclear and renewable energy economy.
But in order to avoid the worse case scenario and to minimize the economic and environmental consequences of climate change and rapid global sea rise on our planet, the world needs to move rapidly and aggressively towards a nuclear and renewable energy economy.
References and Links
1. A sleeping giant? As the planet warms, vast stores of methane — a potent greenhouse gas — could be released from frozen deposits on land and under the ocean. Amanda Leigh Mascarelli reports on the race to understand a ticking time bomb.
2. Meltwater Pulse 1A from Antarctica as a Trigger of the Bølling-Allerød Warm Interval Science 14 March 2003:
Vol. 299. no. 5613, pp. 1709 - 1713
DOI: 10.1126/science.1081002
3. Deep ice tells long climate story
4. Sea Level and Climate (USGS)
5. A +20 m middle Pleistocene sea-level highstand (Bermuda and the Bahamas) due to partial collapse of Antarctic ice
6. List of countries by carbon dioxide emissions per capita
7. Greenhouse gases
8. Methane
9. Late Neogene Paleobathymetry, Relative Sea Level, and Basin-Margin Subsidence, Northwest San Joaquin Basin, California
10. Nuclear Energy Benefits the Environment
11. Gasoline from Air and Water
12. Gasoline from Nuclear and Renewable Energy
13. The Plug-in Hybrid Revolution
14. Energy Independence through Nuclear Re-Industrialization
1. A sleeping giant? As the planet warms, vast stores of methane — a potent greenhouse gas — could be released from frozen deposits on land and under the ocean. Amanda Leigh Mascarelli reports on the race to understand a ticking time bomb.
2. Meltwater Pulse 1A from Antarctica as a Trigger of the Bølling-Allerød Warm Interval Science 14 March 2003:
Vol. 299. no. 5613, pp. 1709 - 1713
DOI: 10.1126/science.1081002
3. Deep ice tells long climate story
4. Sea Level and Climate (USGS)
5. A +20 m middle Pleistocene sea-level highstand (Bermuda and the Bahamas) due to partial collapse of Antarctic ice
6. List of countries by carbon dioxide emissions per capita
7. Greenhouse gases
8. Methane
9. Late Neogene Paleobathymetry, Relative Sea Level, and Basin-Margin Subsidence, Northwest San Joaquin Basin, California
10. Nuclear Energy Benefits the Environment
11. Gasoline from Air and Water
12. Gasoline from Nuclear and Renewable Energy
13. The Plug-in Hybrid Revolution
14. Energy Independence through Nuclear Re-Industrialization
Monday, November 24, 2008
Gasoline from Air and Water
by Marcel F. Williams
Fossil fuels are predominantly responsible for putting excess carbon dioxide and methane into
the Earth's atmosphere, greenhouse gases that are melting our polar ice caps, raising global sea levels, and causing more extreme climate conditions around the world. The coal and natural gas power industry has looked looked towards future technologies for the on site capture of flu gas in order to recover and sequester carbon dioxide. However, there is no cost effective technology for capturing the CO2 from the mobile producers of carbon dioxide: automobiles, trucks, aircraft, and sea craft.
But there are new technologies that are rapidly being developed that may eventually divorce carbon dioxide polluting sources of energy from the need for on site capture and sequestration of carbon dioxide. These devices are sometimes referred to as mechanical trees. But what they do is to simply extract and recover carbon dioxide from the atmosphere. And these future technologies appear to be far more efficient at extracting CO2 from the air than the plant life on our planet.
Some argue that these carbon dioxide from air extracting technologies could be the saviors of the fossil fuel industry. Ironically, such future technologies could also eventually lead to the complete extinction of fossil use on this planet if the CO2 taken from the atmosphere is used in combination with hydrogen from water to produce hydrocarbon fuels such as: gasoline, methanol, diesel fuel, jet fuel, and dimethyl ether.
Hydrogen
Because the combustion of hydrogen produces only energy and water, hydrogen via the electrolysis of water through hydroelectric, nuclear, wind, and solar
has often been proposed as a replacement for hydrocarbon transportation fuels. Liquid hydrogen fuel has been used in US space craft since the days of the Apollo Moon program. And liquid hydrogen has also been frequently proposed for future generation subsonic and hypersonic airliners and aircraft. Hydrogen fueled buses now transport commuters in many urban areas in the US. And hydrogen automobiles have been demonstrated by many automobile companies around the world .
However, hydrogen automobiles have a substantially shorter range than hydrocarbon fueled vehicles and are a lot less efficient than electric vehicles. Refueling hydrogen vehicles also takes much longer than refueling with gasoline, ethanol, or methanol. Because of the hydrogen embrittlement of metals like steel, hydrogen pipelines are more expensive to maintain than natural gas and oil pipelines. Aircraft, seacraft and ground vehicles, and the infrastructure associated with these vehicles, would also have to be completely replaced if we completely replaced our fuel economy with hydrogen.
Hydrocarbon fuels from CO2 and hydrogen
Alternatively, there are several demonstrated methods for synthesizing hydrocarbon fuels by utilizing carbon dioxide in combination with hydrogen which could allow a country to avoid any major overhaul in its transportation energy infrastructure.
Chemist have known how to produce methanol from hydrogen and carbon dioxide for more than 80 years:
CO2 + 3H2 → CH3OH (methanol) + H2O
Methanol is mostly used as a feedstock for making other chemicals. But methanol can be converted into dimethyl ether (DME), a fuel that can be effectively used in diesel engines equipped with new fuel injection systems. The fact that dimethyl ether produces no black smoke, soot, or sulfur dioxide is an clean advantage it has over diesel fuel.
Methanol can also be converted into high octane gasoline via the Mobil Oil methanol to gasoline (MTG) process. Back in the 1980's, the New Zealand government produced 600,000 tonnes of gasoline a year from methanol derived from natural gas using the MTG process.
Methane gas can also be synthesized from hydrogen and carbon dioxide:
CO2 + 4H2 → CH4 (methane) + 2H2O
And methane can also be converted into diesel and jet fuels via Fischer-Tropsch and hydrocracking processes.
Mechanical extraction of atmospheric CO2
Plants capture carbon dioxide from the atmosphere while utilizing sunlight to convert the CO2 into starch. During photosynthesis, trees, for instance, convert carbon dioxide and water into starche molecules and oxygen through a series of oxidation and reduction reactions:
6 CO2 + 6 H2O + sunlight ---> C6H12O6 + 6 O2
Some farm crops and trees can produce up to 20 metric tons per acre (4047 square meters) of biomass a year. One tonne of dried tree consist of 0.45 tonnes of carbon which would translate into the extraction of 1.65 tonnes of carbon dioxide annually extracted from the atmosphere. That's 33 tonnes of CO2 per acre extracted on an annual basis.
GRT CO2 absorbent material
Because of the need for cheap electricity for hydrogen production, only nuclear and hydroelectric facilities would be currently viable for hydrocarbon fuel production utilizing carbon dioxide from air extraction technologies. Hydroelectric facilities currently produce electricity at 0 .85 cents per kwh while electricity from nuclear facilities currently cost 1.68 cents per kwh. Wind and solar thermal electricity, however, is much more expensive and ranges from over 4 cents per kwh to over 6 cents per kwh.
At the Los Alamos National Laboratory in Los Alamos, New Mexico, F. Jeffrey Martin and Williams L. Kubic, Jr. have developed the Green Freedom concept for using the cooling towers of nuclear reactors to extract carbon dioxide from the atmosphere for the production of gasoline and methanol.
They argue that a 1 GWe power plant using their Green Freedom method could produce 18,000-bbl/day of gasoline or 5000 tonnes a day of methanol.
Carbon neutral hydrocarbon synfuel production at nuclear and hydroelectric facilities would not only allow such power facilities to produce transportation fuels and industrial chemicals, they would also allow them to pump methanol and oxygen up to 80 kilometers away to high efficiency power plants for the production of peak-load and back-up-load electricity and commercial waste heat. Nuclear power plants could therefore not only produce base-load electricity but could also supply methanol fuel to replace greenhouse polluting natural gas power plants which are used for daytime peak-load energy and back-up energy for wind and solar power plants.
In 2006, the US consumed nearly 21 million bbl/day of petroleum for transportation fuel and industrial chemical use. If we assumed that nuclear power plants replaced all of the petroleum used in the US in 2006, that would roughly require more than a thousand new 1Gwe nuclear reactors, over 1000 GWe of electrical capacity. Existing nuclear sites that already have nuclear reactors could probably add an additional 200 to 300 Gwe of capacity. However, if one large centralized nuplex (nuclear park) with about 30GWe of average electrical capacity were set up in every state in the union, then that could add an additional 1500 GWe of electrical capacity, more than enough to replace all of our petroleum needs today and probably our needs 30 years from now.
If the new Obama administration is going to invest substantial R&D money into new energy technologies, I would strongly suggest investing in the fast tracking of these carbon dioxide extraction from air technologies that could revolution synfuel production by helping to achieve US independence from the petroleum fuel economy while protecting the global environment from the dangers of global warming and climate change.
Links and References
1. Green Freedom: A concept for producing carbon-neutral synthetic fuels and chemicals, Los Alamos Labs, November 2007 F.J. Martin and WL Kubic,
2. GRT (Global Research Technologies, LLC)
3. Giant Carbon dioxide Vacuums
4. Snatching Carbon dioxide from the Atmosphere
5. CO2 capture from air
6. First Successful Demonstration of Carbon Dioxide Air Capture Technology Achieved:
7. First Successful Demonstration of Carbon Dioxide Air Capture Technology Achieved by Columbia University Scientist and Private Company, (2007) Earth Institute News Archive, 04/24/07
8. Carbon capture and storage:
9. Researchers Scramble to Create CO2-Busting Technologies:
10. CO2 capture from ambient air: a feasibility assessment:
11. Carbon Capture and Storage A False Solution
12. The Case for Carbon Dioxide Extraction from Air
13. Klaus S. Lackner, Patrick Grimes, Hans-J. Ziock, Capturing Carbon Dioxide From Air
14. K. Schultz, L. Bogart, G. Besenbruch, L. Brown, R. Buckingham, M. Campbell, B. Russ, and B. Wong HYDROGEN AND SYNTHETIC HYDROCARBON FUELS – A NATURAL SYNERGY General Atomics Poster
15. G. Olah, A. Goeppert, and G. Prakash, (2006) Beyond Oil and Gas: The Methanol Economy, Wiley-VCH Verlang, Weinheim, Germany
But there are new technologies that are rapidly being developed that may eventually divorce carbon dioxide polluting sources of energy from the need for on site capture and sequestration of carbon dioxide. These devices are sometimes referred to as mechanical trees. But what they do is to simply extract and recover carbon dioxide from the atmosphere. And these future technologies appear to be far more efficient at extracting CO2 from the air than the plant life on our planet.
Some argue that these carbon dioxide from air extracting technologies could be the saviors of the fossil fuel industry. Ironically, such future technologies could also eventually lead to the complete extinction of fossil use on this planet if the CO2 taken from the atmosphere is used in combination with hydrogen from water to produce hydrocarbon fuels such as: gasoline, methanol, diesel fuel, jet fuel, and dimethyl ether.
Hydrogen
Because the combustion of hydrogen produces only energy and water, hydrogen via the electrolysis of water through hydroelectric, nuclear, wind, and solar
has often been proposed as a replacement for hydrocarbon transportation fuels. Liquid hydrogen fuel has been used in US space craft since the days of the Apollo Moon program. And liquid hydrogen has also been frequently proposed for future generation subsonic and hypersonic airliners and aircraft. Hydrogen fueled buses now transport commuters in many urban areas in the US. And hydrogen automobiles have been demonstrated by many automobile companies around the world .However, hydrogen automobiles have a substantially shorter range than hydrocarbon fueled vehicles and are a lot less efficient than electric vehicles. Refueling hydrogen vehicles also takes much longer than refueling with gasoline, ethanol, or methanol. Because of the hydrogen embrittlement of metals like steel, hydrogen pipelines are more expensive to maintain than natural gas and oil pipelines. Aircraft, seacraft and ground vehicles, and the infrastructure associated with these vehicles, would also have to be completely replaced if we completely replaced our fuel economy with hydrogen.
Alternatively, there are several demonstrated methods for synthesizing hydrocarbon fuels by utilizing carbon dioxide in combination with hydrogen which could allow a country to avoid any major overhaul in its transportation energy infrastructure.
Chemist have known how to produce methanol from hydrogen and carbon dioxide for more than 80 years:
CO2 + 3H2 → CH3OH (methanol) + H2O
Methanol is mostly used as a feedstock for making other chemicals. But methanol can be converted into dimethyl ether (DME), a fuel that can be effectively used in diesel engines equipped with new fuel injection systems. The fact that dimethyl ether produces no black smoke, soot, or sulfur dioxide is an clean advantage it has over diesel fuel.
Methanol can also be converted into high octane gasoline via the Mobil Oil methanol to gasoline (MTG) process. Back in the 1980's, the New Zealand government produced 600,000 tonnes of gasoline a year from methanol derived from natural gas using the MTG process.
Methane gas can also be synthesized from hydrogen and carbon dioxide:
CO2 + 4H2 → CH4 (methane) + 2H2O
And methane can also be converted into diesel and jet fuels via Fischer-Tropsch and hydrocracking processes.
Mechanical extraction of atmospheric CO2
Plants capture carbon dioxide from the atmosphere while utilizing sunlight to convert the CO2 into starch. During photosynthesis, trees, for instance, convert carbon dioxide and water into starche molecules and oxygen through a series of oxidation and reduction reactions:
6 CO2 + 6 H2O + sunlight ---> C6H12O6 + 6 O2
Some farm crops and trees can produce up to 20 metric tons per acre (4047 square meters) of biomass a year. One tonne of dried tree consist of 0.45 tonnes of carbon which would translate into the extraction of 1.65 tonnes of carbon dioxide annually extracted from the atmosphere. That's 33 tonnes of CO2 per acre extracted on an annual basis.
Even though the concentration of CO2 in the Earth's atmosphere is a meager 0.04 per cent, companies like GRT (Global Research Technologies) in Arizona and Canadian researchers at the University of Calgary have already built machines that can extract carbon dioxide from the atmosphere far more efficiently than any tree or any other source of biomass. GRT claims that its carbon dioxide air extraction system is a thousand times more efficient than a tree of equal size.
GRT CO2 absorbent material The University of Calgary team has shown that they could capture CO2 directly from the atmosphere with less than 100 kilowatt-hours of electricity per tonne of carbon dioxide. Their carbon dioxide from air extraction tower was able to capture the equivalent of about 20 tonnes per year of CO2 on just one single square meter of air scrubbing material. Astonishingly, this suggest that even the most conservative estimates would allow these CO2 extracting machines to produce more than 80 thousand tonnes of carbon dioxide per acre annually.
Because of the need for cheap electricity for hydrogen production, only nuclear and hydroelectric facilities would be currently viable for hydrocarbon fuel production utilizing carbon dioxide from air extraction technologies. Hydroelectric facilities currently produce electricity at 0 .85 cents per kwh while electricity from nuclear facilities currently cost 1.68 cents per kwh. Wind and solar thermal electricity, however, is much more expensive and ranges from over 4 cents per kwh to over 6 cents per kwh.
At the Los Alamos National Laboratory in Los Alamos, New Mexico, F. Jeffrey Martin and Williams L. Kubic, Jr. have developed the Green Freedom concept for using the cooling towers of nuclear reactors to extract carbon dioxide from the atmosphere for the production of gasoline and methanol.
They argue that a 1 GWe power plant using their Green Freedom method could produce 18,000-bbl/day of gasoline or 5000 tonnes a day of methanol.Carbon neutral hydrocarbon synfuel production at nuclear and hydroelectric facilities would not only allow such power facilities to produce transportation fuels and industrial chemicals, they would also allow them to pump methanol and oxygen up to 80 kilometers away to high efficiency power plants for the production of peak-load and back-up-load electricity and commercial waste heat. Nuclear power plants could therefore not only produce base-load electricity but could also supply methanol fuel to replace greenhouse polluting natural gas power plants which are used for daytime peak-load energy and back-up energy for wind and solar power plants.
In 2006, the US consumed nearly 21 million bbl/day of petroleum for transportation fuel and industrial chemical use. If we assumed that nuclear power plants replaced all of the petroleum used in the US in 2006, that would roughly require more than a thousand new 1Gwe nuclear reactors, over 1000 GWe of electrical capacity. Existing nuclear sites that already have nuclear reactors could probably add an additional 200 to 300 Gwe of capacity. However, if one large centralized nuplex (nuclear park) with about 30GWe of average electrical capacity were set up in every state in the union, then that could add an additional 1500 GWe of electrical capacity, more than enough to replace all of our petroleum needs today and probably our needs 30 years from now.
If the new Obama administration is going to invest substantial R&D money into new energy technologies, I would strongly suggest investing in the fast tracking of these carbon dioxide extraction from air technologies that could revolution synfuel production by helping to achieve US independence from the petroleum fuel economy while protecting the global environment from the dangers of global warming and climate change.
Links and References
1. Green Freedom: A concept for producing carbon-neutral synthetic fuels and chemicals, Los Alamos Labs, November 2007 F.J. Martin and WL Kubic,
2. GRT (Global Research Technologies, LLC)
3. Giant Carbon dioxide Vacuums
4. Snatching Carbon dioxide from the Atmosphere
5. CO2 capture from air
6. First Successful Demonstration of Carbon Dioxide Air Capture Technology Achieved:
7. First Successful Demonstration of Carbon Dioxide Air Capture Technology Achieved by Columbia University Scientist and Private Company, (2007) Earth Institute News Archive, 04/24/07
8. Carbon capture and storage:
9. Researchers Scramble to Create CO2-Busting Technologies:
10. CO2 capture from ambient air: a feasibility assessment:
11. Carbon Capture and Storage A False Solution
12. The Case for Carbon Dioxide Extraction from Air
13. Klaus S. Lackner, Patrick Grimes, Hans-J. Ziock, Capturing Carbon Dioxide From Air
14. K. Schultz, L. Bogart, G. Besenbruch, L. Brown, R. Buckingham, M. Campbell, B. Russ, and B. Wong HYDROGEN AND SYNTHETIC HYDROCARBON FUELS – A NATURAL SYNERGY General Atomics Poster
15. G. Olah, A. Goeppert, and G. Prakash, (2006) Beyond Oil and Gas: The Methanol Economy, Wiley-VCH Verlang, Weinheim, Germany
A New Papyrus Publication
Labels:
CO2,
dimethyl ether,
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greenfreedom,
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