epa biosolids directive Articles

  • National Biosolids Overview

    In all, the 1990s have been good for the biosolids recycling community. Greater quantities of biosolids are being beneficially used than ever before, there are national biosolids regulations that are widely accepted as a good baseline, and there is an extensive, accessible network of researchers, practitioners, advisers and public officials who when combined, provide thousands of years worth of ...


    By BioCycle Magazine

  • 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 ...

  • Suddenly greenhouse gas regulations

    FROM a whisper to a scream, from 0 to 60 in 4 seconds or less, whether you prefer music metaphors or car metaphors, all of a sudden it seems that regulation of greenhouse gases (GHGs) is about to descend upon us. My reading list on the plane today includes the new U.S. Environmental Protection Agency GHG reporting requirements, a draft protocol from the California Climate Action Registry (CCAR) ...


    By BioCycle Magazine

  • Pathogen Inactivation by a Closed Alakaline System

    ABSTRACTThe efficiency of advanced alkaline disinfection in closed systems has been demonstrated to depend on the balance of ammonia concentration, pH, exposure time, temperature, total solids content, post-treatment storage time and mixing effectiveness. When the alkaline system is a closed one, an additional pathogen stressor is added: pressure. The effect of the alkaline dosing has been ...

  • Landfills Expand Energy Output

    HIGH fossil fuel prices and growing concern about global climate change are creating favorable conditions for landfill gas energy (LFGE) projects. Notably, endorsement of LFGE by Federal agencies and many states as a form of “green” power has enabled LFGE developers to earn premiums for electricity marketed through green power programs, and to benefit from expanded federal tax credits for ...


    By BioCycle Magazine

  • The natural way to clean wastewater

    John Todd founded Ocean Arks International in the 1980s, where he started to experiment with processes that mimic natural ways to purify wastewater. He built a greenhouse and ran sewage through a series of tanks, with plants suspended in the flowing waters, and constructed marshes made of sand and gravel. No chemicals were added, but plenty of aquatic creatures from snails to small fish were ...


    By BioCycle Magazine

  • World’s largest compressible media filtration plant eliminates combined sewer overflows, with potential for dry-weather use

    The City of Springfield, Ohio, recently opened its 100 MGD enhanced high-rate treatment facility, designed to treat and disinfect combined high-volume stormwater and wastewater flows generated by wet-weather conditions. Utilizing EPA-documented Compressible Media Filtration technology – FlexFilter™ from WesTech – the system can also provide tertiary filtration and disinfection ...


    By WesTech Engineering, Inc.

  • Analysis of monitoring results of the separation and greywater treatment system at Chester Woods Park, Olmsted County, Minn.

    Introduction In 1993, Olmsted County installed an advanced individual sewage treatment system (ISTS) at the caretaker's residence at a County-owned park to demonstrate waste load reduction and downsizing of drainfield area. The subject system has two components--1) a composting/vermiculture blackwater system and a 2) aerobic graywater treatment system. The separation of the high strength ...


    By Equaris Corporation

  • Japanese Organics Recycling Association Formed

    Another backyard composting adage states that compost should have the feel of a wrung-out sponge — damp but not dripping wet. Actually, a wrung-out sponge may be on the dry side for composting, but the analogy does provide a great image for understanding the reasons for balancing moisture. Like a compost pile (or windrow or material in a vessel), a sponge is a solid mass containing an enormous ...


    By BioCycle Magazine

  • Renewable energy marketplace

    ALLU Group markets two types of equipment for use in biomass energy operations. The ALLU Screener Crusher bucket attaches to a front-end loader. The bucket is designed to aerate, crush, screen and mix at one time. The Screener Crusher has a rigid steel frame, onto which horizontally rotating screening and crushing drums are mounted. All the drums rotate in the same direction. There are several ...


    By BioCycle Magazine

  • Compost in the mix for storm water management

    Bioretention areas, also known as rain gardens, are increasingly being used to capture and treat storm water runoff from impervious surfaces such as roofs, sidewalks and parking lots. These landscaped areas often feature native plants installed in an engineered soil mixture that includes compost. “Bioretention areas or rain gardens are an attractive storm water Best Management Practice (BMP) ...


    By BioCycle Magazine

  • The State of Garbage in America

    Latest national data on MSW management -28.5% recycled and composted, 7.4% combusted in WTE plants and 64.1% landfilled. BioCycle is pleased to produce the State of Garbage in America Report, providing a picture on how municipal solid waste (MSW) is handled throughout the United States. For this 15th nationwide survey, which began in 1989, BioCycle continued its collaboration with Columbia ...


    By BioCycle Magazine

  • The State of Garbage in America

    Untitled Document Latest national data on MSW management -28.5% recycled and composted, 7.4% combusted in WTE plants and 64.1% landfilled. A joint study by BioCycle and the ...


    By BioCycle Magazine

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