Why chemical engineering is key to revolutionizing the toilet

08/15/2011 | New York Times (tiered subscription model), The

Researchers are searching for a modern toilet that doesn't need sewers, water or power -- but won't break the bank. The solution, spurred by grants from the Bill & Melinda Gates Foundation, may come from chemical engineers, says foundation official Frank Rijsberman. "[C]hemical engineering might provide the route to inventing many future toilets. Rather than composting waste for six months, as many waterless composting toilets do, the new versions could heat the waste quickly, killing pathogens," writes The New York Times.

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