No shearing, please

Sudhir Murthy, Matthew Higgins, Yen-chih Chen, William Toffey

Research output: Contribution to specialist publicationArticle


The researchers have found that dewatering affects the production of volatile sulfur compounds (VSC) and the dewatering equipment affects VSC emission characteristics. The odorous compounds emitted by high-solids centrifuge biosolids cakes include methanethiol, dimethyl sulfide, indole, skatole, and p-cresol. High solids centrifugation affects VSC production by increasing protein liability and inhibiting metanogenesis. The utilities should consider impacts of post-digestion solids handling and storage processes on product odors when evaluating their biosolids recycling program.

Original languageEnglish (US)
Number of pages5
Specialist publicationWater Environment and Technology
StatePublished - Jan 1 2004

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Water Science and Technology
  • Pollution


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