A dash of lime

 

Could lime play a central part in carbon reduction?

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Chemical scientists have added lime to seawater as part of a novel new technique that deals with carbon levels.

The report, published in the industry journal Chemistry & Industry, builds upon existing experiments into the potential for lime in this context. Previously the process – thought to show potential – was prohibitively expensive. The means of extraction also causes carbon production.

Now, however, the idea has been given new legs by concentrating the cultivation of lime from parts of the world that have large quantities of low-cost 'stranded' energy.

Shell has expressed interest in the idea and has agreed to fund research into assessing the economic feasibility of the idea.

“We think it's a promising idea. There are potentially huge environmental benefits from addressing climate change – and adding calcium hydroxide to seawater will also mitigate the effects of ocean acidification, so it should have a positive impact on the marine environment' commented  Gilles Bertherin, Shell's coordinator on the project.

Find out more at www.cquestrate.com.

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