"Sewage sludge" refers to the thick, muddy mixture that remains after wastewater is treated at a water treatment plant. It contains solid waste and other substances like bacteria and chemicals. Full definition
The disposal of sewage sludge in waters off New York City was a major motivation for its enactment. (waterencyclopedia.com)
A group of researchers led by Eawag environmental chemists Bas Vriens and Michael Berg has now carried out the first systematic, quantitative assessment of elements discharged in effluents or disposed of in sewage sludge. (sciencedaily.com)
For this work, in vivo, in vitro, metagenomic, and metaproteomic studies were conducted with an anaerobic microbial community derived from sewage sludge that quantitatively produced toluene from phenylacetic acid (via decarboxylation). (jbei.org)