EPA 503 biosolids Articles

  • An Advanced Biosolids Treatment Process and Potential Beneficial Applications of the Processed Biosolids

    ABSTRACTAn innovative and cost-effective biosolids treatment and processing technology was developed and demonstrated at a pilot and full-scale at the Guelph Wastewater Treatment Plant in Ontario. The Lystek process involves a low but optimized application of heat, alkali, and mixing in a batch or semi-continuous system to achieve the desired physical, chemical and microbiological characteristics ...

  • Biocycle Nationwide Survey: The State of Biosolids in America

     The State of Biosolids in America TAKING the pulse of biosolids management practices in the United States yields a combination of hard data and valuable insights. Between survey responses and telephone conversations, state biosolids coordinators around the country paint an overall picture of progress with the beneficial use of biosolids, along with a dose of reality about political, ...


    By BioCycle Magazine

  • Lab-scaled digestibility study of wastewater sludge treated by thermal hydrolysis

    ABSTRACT High-solids mesophilic anaerobic digestion (HS-MAD) processes employing thermal hydrolytic pretreatment (THP) have gained much interest in recent years; primarily because they have been shown to produce Class A biosolids in accordance with EPA 503 regulations, but also because they represent an economical approach to the maximization of available anaerobic digester volume. The ...


    By Cambi Group AS

  • BioCycle World

    Rufus Chaney Receives Lifetime Achievement Award Dr. Rufus Chaney, a Senior Research Agronomist in the Crop Systems and Global Change Laboratory of the USDA-Agricultural Research Service in Beltsville, Maryland, was awarded the Jerome Goldstein Lifetime Achievement Award at the US Composting Council’s (USCC) 2016 Conference in Jacksonville, Florida in January. The Award, created ...


    By BioCycle Magazine

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