Air fuel technique
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Transcript of Air fuel technique
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By:-Anush Malhotra
1810718-A3
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What is ‘Air Fuel' technique?
Air Fuel is a technique for producing
gasoline from air and water. And while
quite a lot of energy is needed for its
production, this "air fuel" could be
environmentally friendly.
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About ‘Air Fuel' technique.. British company Air Fuel Synthesis has unveiled a
process by which it says it can extract carbon
dioxide (CO2) from the air and combine it with
hydrogen from water to create methanol, which
can be converted into petrol to fuel cars and
planes.
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It sounds like a joke. But the technique could
eventually play an important role in the green
energy mix of the future - provided the electricity
used to extract the molecules and create the
chemical reaction comes from sustainable
sources.
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Process of producing fuel from air and water
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Air is blown up into a tower and meets a mist of a sodium hydroxide
solution. The carbon dioxide in the air is absorbed by reaction with
some of the sodium hydroxide to form sodium carbonate. Whilst there
are advances in CO2 capture technology, sodium hydroxide has been
chosen as it is proven and market ready.
The sodium hydroxide/carbonate solution that results from Step 1 is
pumped into an electrolysis cell through which an electric current is
passed. The electricity results in the release of the carbon dioxide which
is collected and stored for subsequent reaction.
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Optionally, a dehumidifier condenses the water out of the air that is
being passed into the sodium hydroxide spray tower. The condensed
water is passed into an electrolyser where an electric current splits
the water into hydrogen and oxygen. Water might be obtained from
any source so long as it is or can be made pure enough to be placed in
the electrolyser.
The carbon dioxide and hydrogen are reacted together to make a
hydrocarbon mixture, the reaction conditions being varied
depending on the type of fuel that is required.
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There are a number of reaction paths already in existence and well
known in industrial chemistry that may be used to make the fuels.
Thus a reverse-water-gas shift reaction may be used to convert a
carbon dioxide/water mixture to a carbon monoxide/hydrogen
mixture called Syn Gas. The Syn Gas mixture can then be further
reacted to form the desired fuels using the Fisher-Tropsch (FT)
reaction.
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Alternatively, the Syn Gas may be reacted to form methanol and
the methanol used to make fuels via the Mobil methanol-to
gasoline reaction (MTG).
For the future, it is highly likely that reactions can be developed
whereby carbon dioxide and hydrogen can be directly reacted to
fuels.
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People involve... Only the British engineer works on this and the £1.1m
project, in development for the past two years, is being funded by a group of unnamed person who believe the technology could prove to be a lucrative way of creating renewable energy.
Company officials say they had produced five litres of petrol in less than three months from a small refinery in Stockton-on-Tees, Teesside.
The fuel that is produced can be used in any regular petrol tank.
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Benefits... Produced fuel can be used in any regular petrol tank
without any filtration because the synthetic petrol is
itself clean and green because it generates no toxic by-
products, such as sulfur.
Provides Fresh air.
Renewable Energy use.
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Energy Saving and Climate Benefits.
Help in controlling Rising prices of fuels and many more.
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Applications.. Petrol produced by AFT can be used in Bikes, Cars, etc
Diesel can be used in Buses, Trucks, Generators ,etc.
Kerosene can be used in stoves.
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Any Query..???
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THANK YOU