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Carbonclean is turning planet-heating emissions into profit by converting CO2 into baking soda – and could lock up 60,000 tonnes of CO2 a year
A breakthrough in the race to make useful products out of planet-heating CO2 emissions has been made in southern India.
A plant at the industrial port of Tuticorin is capturing CO2 from its own coal-powered boiler and using it to make baking soda.
Crucially, the technology is running without subsidy, which is a major advance for carbon capture technology as for decades it has languished under high costs and lukewarm government support.
The firm behind the Tuticorin process says its chemicals will lock up 60,000 tonnes of CO2 a year and the technology is attracting interest from around the world.
Debate over carbon capture has mostly focused until now on carbon capture and storage (CCS), in which emissions are forced into underground rocks at great cost and no economic benefit. The Tuticorin plant is said to be the first unsubsidised industrial scale example of carbon capture and utilisation (CCU).
There is already a global market for CO2 as a chemical raw material. It comes mainly from industries such as brewing where it is cheap and easy to capture.
Until now it has been too expensive without subsidy to strip out CO2 from the relatively low concentrations in which it appears in flue gas. The Indian plant has overcome the problem by using a new CO2-stripping chemical.
read more original article The Guardian
Posted by: The Global Compost Project
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