By Jennifer Chu

Technology Review

6/10/09

A startup based in Tel Aviv, Israel, called HCL-Cleantech has reinvented a century-old process called the Bergius process as a much cheaper method to produce ethanol from biomass.  The process uses concentrated hydrochloric acid (HCL) to breakdown biomass into sugars but has been too expensive for commercial use. The company, however, says that it has developed a way to recycle 42 percent of the HCL, pumping it back into the system and significantly reducing the cost of making ethanol.

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