Blue Plains’s new method of processing solid waste, called thermal hydrolysis, will kill disease-causing bacteria and viruses the same way pasteurization kills pathogens in milk. The resulting “Class A” biosolids could be sold commercially as a soil product.

SOURCES: Chris Peot, biosolids manager for DC Water; Cambi; EPA | By Bonnie Berkowitz and Patterson Clark/The Washington Post April 23, 2011
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