Test puts clean coal closer to commercial use

03/25/2013 | CleanTechnica

A 200-hour test by the American Chemical Society helped the commercial viability of clean coal become a step closer. The research involved the study of two kinds of carbon-capture systems: Syngas Chemical Looping and Coal-Direct Chemical Looping technologies. Researchers "used sub-bituminous and lignite coals, which are the main source of carbon dioxide emissions at U.S. coal-fired power plants. Carbon dioxide captured during operation had a purity of 99.5%," ACS said.

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