fixed digester cover Articles

  • Case study - Procurement and installation of a Biogas desulphurization unit at the Chania WWTP

    A proposal based on Bioconservacion’s technology was selected as the winning bid in the public tender released in 2015, covering the design, procurement and construction of a biogas desulfurizing unit to be installed in the waste water treatment plant in Chania, Greece. With a population over 100,000, Chania is the second largest municipality in the Greek island of Crete. Its waste water ...


    By Bioconservacion SA

  • Anaerobic Digest

    Boulder, Colorado: U.S. Distributed Renewables Forecast Published Navigant Research, a market research and consulting firm in Boulder, recently published the “U.S. Distributed Renewables Deployment Forecast, 2016-2025.” The report notes that deployment of distributed renewables, such as wind, solar and anaerobic digestion facilities, in the U.S. has accelerated in the last ...


    By BioCycle Magazine

  • Innovation Key To Biosolids Digestion

    A $400 million project at the Blue Plains Advanced Wastewater Treatment Plant (AWTP) in Washington, D.C., involves building an innovative biosolids management system comprised of a thermal hydrolysis process, four 3.8-million gallon mesophilic digesters (measuring 70-ft tall by 100-ft in diameter) with fixed covers, a cogeneration system consisting of three 4.6-MW Solar Mercu ry 50 gas turbines ...


    By BioCycle Magazine

  • Building Farm And Food Scrap Digesters

    In the past several weeks, we received invitations to two ribbon cuttings for newly installed farm-based digesters — one at a dairy farm in western Massachusetts and another at a swine operation in North Carolina. We also received a press release from the University of California, Davis, about its new food scraps digester on campus. And then there were a few new projects that we had been ...


    By BioCycle Magazine

  • Case study - Geotech’s portable and fixed biogas monitors give worldwide reliability

    Used in varied biogas applications in over 60 countries worldwide, these three examples from the Netherlands, Thailand and Czech Republic show how reliability, accuracy and simplicity of use are critical for Geotech’s anaerobic digestion (AD) customers’ business operations. Leading product quality is backed up by full after-sales care, through local support centres and full technical ...


    By Geotech

  • Maximizing Energy Recovery through Digester Gas Management System Enhancement

    ABSTRACTAdvanced anaerobic digestion practices and maximum energy recovery call for a digester gas system that reliably allows for complete biogas collection and utilization. This paper will describe the planning, design, and construction of a new digester gas management system at the East Bay Municipal Utility District’s (District) Main Wastewater Treatment Plant. The need for an upgraded ...

  • A Reinvigorated Approach to Operational Safety in the Design of a New Digestion System for Spokane, Washington

    ABSTRACTThe failure of Digester No. 3 at the Riverside Park Water Reclamation Facility (RPWRF) in Spokane, Washington triggered a host of changes to many aspects of project implementation, as well as daily operation. Planning, design, construction and startup of  improvements now emphasize improved communication and collaboration between the design team and plant staff, as well as a ...

  • Case study - Beijing Guohuan Tsinghua Environment Engineering Design and Research Institute

    An aerobic digestion project was commissioned on a closed landfill site in Hubei Province.  Aerobic digestion in this particular application is from a biological waste water treatment process; once sediments are removed from waste water, oxygen is used to break down the organic matter.  The site had been covered with an overlay of clean soil to enable the land to be used again ...


    By Geotech

  • Biogas in Asia

    The development of biogas production and monitoring has had many twists and turns, from its early days in Germany to the heady days of support through the Clean Development Mechanism (CDM).   The fall in the price of carbon credits, which rewarded reduction in emissions of methane (CH4) - a potent greenhouse gas - and use of methane from waste as renewable energy, has hit Asia ...


    By Geotech

  • Gas Safety in Confined Spaces

    Introduction An offshore worker ensures a vessel is safe to enter; a plant manager enters a small plant room; a contractor inspects the lining of a sewage pipe.  All these personnel face common dangers, despite working in widely different industries.  Gas-related injury poses a serious threat in any confined space where the free movement of air is limited. A confined space ...

  • Bye Bye Birdie - Protecting your Building and Employees from Pest Birds

    It seems that not a day goes by without a news story about avian flu and the possible pandemic it may cause. Concerns about the potential threat are on the forefront of Americas mind, and it has taught us to be more conscious about the way disease is transmitted. “Indeed Avian Flu is a recent concern” says Bruce Donoho owner of Bird-B-Gone, Inc, “however I believe that there is a wide range of ...


    By Bird-B-Gone, Inc.

  • High diversion in the Alps (Italy)

    Award winning sustainability initiatives in Val di Fiemme help keep the popular valley pristine, while providing a worldwide role model for mountainous communities. VAL di Fiemme is a valley in northern Italy tucked in the Dolomite Mountains, a section of the Alps known for skiing in winter, and hiking in summer. In 2008 the municipality of 11 villages won an award for highest waste diversion in ...


    By BioCycle Magazine

  • Home, Sweet Wastewater Building

    How can a wastewater treatment plant embedded into a neighborhood not use much landmass and be environmentally friendly and user-friendly all at the same time? One system aims to do all of the above. Why should a wastewater treatment plant always have to look like, well, a wastewater treatment plant?  A visual trip through project files of Aqueonics Inc., based in Greenville, SC, reveals photos ...


    By Aqueonics, Inc.

  • How we can vanquish pollution within our lifetimes

    Simply spreading the message could change the world The following is excerpted The Brown Agenda: My Mission To Clean up The World’s Most Life-Threatening Pollution by Richard Fuller, and is published here with permission from the author. Pollution is the leading cause of death in low- and middle-income countries. The top 10 ...


    By Ensia

  • Wastewater Mining and Reuse: Creating Benign Future Scenarios

    Wastewater mining: In addition to being perhaps the most uninviting combination of words, it sounds like a most unlikely idea. But for almost 30 years, Aqueonics, now headquartered in Greenville, SC, has pioneered such systems, starting in the ’80s, with its first wastewater mining project. For that project, Aqueonics provided an onsite or decentralized treatment system for a developer in ...


    By Aqueonics, Inc.

  • What will it take to get plastics out of the ocean?

    From drones to filters to artificial islands, innovators are working to reduce the threat thousands of tons of trash pose to marine ecosystems. A few palm trees stand strong in the salty breeze. Located on the southern tip of the Pacific island chain of Hawaii, Kamilo Beach is an isolated stretch of black volcanic shoreline in the middle of nowhere. Just a few hundred yards ...


    By Ensia

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