Green vehicles powered by CNG (compressed natural gas) are a common sight on
An estimated 400 to 600m3 of biogas, a mostly harmful greenhouse gas, is emitted from
The biogas contains up to 50 per cent methane, that is 23 times more harmful than CO2, a senior executive involved in the project told
As Abu Dhabi Government plans to convert some of its vehicles to use Compressed Natural Gas (CNG) to cut carbon emissions, this project may provide a better alternative than CNG for this purpose, said
TAQA'a Technology Incubation Unit is planning the project to convert this biogas into "biomethane".
The technology TAQA is looking to utilise is a membrane technology that filters out the CO2 and other impurities to leave a gas with more than 98 per cent methane - what we call biomethane, Cook said.
The degradation of the biological content of municipal solid waste within landfills is another source of biogas (known as landfill gas).
Biomethane is not only a 100 per cent renewable energy source, but capturing landfill gas instead of letting it escape into the atmosphere is great for the environment.
Methane is an extremely potent greenhouse gas with a global warming impact 23 times more than CO2.
There are numerous applications for biomethane, and one avenue TAQA's Technology Incubation Unit is investigating is using it as a fuel for road transportation.
Another application for the biogas is generation of electricity.
"When we convert biogas to electricity in a biogas-powered electric generator, we get about 2kWh (kilowatt hour) of useable electricity from 1m3 of biomethane."
The rest turns into heat which can also be used for heating applications, while 2kWh is enough energy to power a 100-watt light bulb for 20 hours or a 2000W hair dryer for one hour.
Asked the cost of the project and potential cost of fuel and electricity to be produced, Cook said the feasibility study is under way and will be revealed shortly.
A pilot project will be set up in
TAQA is working with its technology partners in this project, he said, without revealing their names.
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