lagoon design Articles

  • Industry Takes Shape: Why Digesters Make Dollar Sense Now

     THIRTY years ago, when I was a college student studying ways to convert manure to electricity, we speculated that the 1970s would be the decade of the innovators, the 1980s for the launch of operating projects, and the 1990s when the mainstream adopted the technology. Now I think our predictions for the mainstream were ten to 15 years premature — but it is happening! During the 1990s, the ...


    By BioCycle Magazine

  • Tapping the potential of codigestion

    Codigestion refers to processing multiple biodegradable substrates (feedstocks) in an anaerobic digestion (AD) system. A more contemporary definition refers to the digestion of a combination of select biodegradable feedstocks with a base substrate that an AD system was designed to handle. The intent is to maximize the production of biogas (i.e., renewable energy) by adding substrates that produce ...


    By BioCycle Magazine

  • Controlling Odors at Composting Facilities

    Untitled Document ...


    By BioCycle Magazine

  • January Anaerobic Digest

    San Francisco Bay Region, California: ABC Digester Operator Training Course The American Biogas Council (ABC) has organized a 3-day, hands-on operator training course, February 6-8, 2018 in the San Francisco Bay area, that focuses on digester operations overall with an additional emphasis on renewable natural gas (RNG) and codigestion at wastewater treatment plants. Each morning starts ...


    By BioCycle Magazine

  • Case study - CEMEX - Kingsmead

    At its Kingsmead site, near Horton in Berkshire, where CEMEX produces aggregates to service its concrete plant and to supply the market place, new plant has increased both throughput and flexibility. The 40 hectre Kingsmead site, owned and operated by CEMEX UK has extensive reserves of sand and gravel and has been recently redeveloped as part of its current national investment programme of over ...


    By DUO (Europe) plc

  • Bioaugmentation in Sewer network reduces sludge production case study

    Sludge is an obvious by-product generated from the physical, chemical and biological treatment processes of a wastewater treatment plant (WWTP) as shown in Figure 1. Sludge management, which includes treatment, hauling, and disposal, is one of the biggest burdens facing municipal plants. The costs of sludge management account for 55% of the total WWTP operating cost and 35° o of the capital ...

  • Barona Resort & Casino, California - Case study

    In mid 2007, AdEdge was contacted by Pacific Advance Civil Engineering group (PACE) to assist a Native American Tribe in Southern California near San Diego to provide a packaged treatment system for uranium removal. The Barona Band of Indians owns and operates the water system serving the Barona Resort and Casino. Water from three existing wells combines together with an average uranium ...

  • Waste Management Solutions for Business

    How to win the race for everyone Waste Management Solutions for Business Industry will always lead the way in the adaptation of new technology, and especially the technology of conservation. This is not necessarily for any ideological reason, but because the people who manage water use better understand the economic incentives for adopting new ...

  • Digester Developer Taps Natural Gas Markets

    IN the late 1990s, Dan Eastman and two colleagues were researching business opportunities in the renewable energy industry. They were looking for a commercially viable technology that could take renewable energy from an experimental phase to a solid business investment. In 1999, Eastman and his partners founded Microgy, Inc., with its base in Wisconsin. The company licensed the Xergi anaerobic ...


    By BioCycle Magazine

  • A Citizen`s Guide to Bioremediation

    What is bioremediation? Bioremediation is a treatment process that uses naturally occurring microorganisms (yeast, fungi, or bacteria) to break down, or degrade, hazardous substances into less toxic or nontoxic substances. Microorganisms, just like humans, eat and digest organic substances for nutrients and energy. In chemical terms, 'organic' compounds are those that contain carbon and hydrogen ...

  • Composite protection for slopes - Dallas Eastside Water Treatment Plant, Texas - Case study

    Geocells, geotextiles and geomembranes resolve the chronic erosion problems of a municipal levee. In 1996, consulting engineers under con-tract to the City of Dallas contacted Soil Stabilization Products Company Inc. (SSPCo) to discuss solutions for chronic problems caused by more than a dozen sliding failures per year on the outer slopes of a water treatment facility's lagoon. The facility, ...


    By Presto Geosystems

  • Mission accomplished: plant and aeration upgrades to meet growth and lower energy use - Case Study

    In 2003 this Minnesota city began the process of upgrading its lagoon-based wastewater treatment facility (WWTF) into a new mechanical treatment facility. Nine years and two construction phases later, the city now has a fully operational facility and has upgraded its aeration system to lower energy and maintenance costs. Treatment Process ...

  • Huge increases at thermophilic AD plant in Switzerland - Case Study

    Biogas volume increase of 30% at a thermophilic digester in Switzerland. The Germanier SA plant in Lavigny, Switzerland was regarded as one of the best performing AD plants. The field trial has become a project which has been successfully running for the last 3 years. Listed below is the current data: Biogas output has increased from 5545 to over 7201m3/day, an increase of ...

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