• Figure 1. Institutional silos

    A Path To Sustainable Infrastructure Solutions

    A rich array of opportunities and new infrastructure strategies offer strong and simultaneous affordability, resilience and sustainability benefits.
    Rhys Roth
    BioCycle March/April 2015, Vol. 56, No. 3, p. 25

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  • A “plug and play” Compost Heat Wagon, operating this winter at Vermont Compost Company, includes a high power aeration fan and an Isobar™ heat recovery system.

    Advances In Compost Heat Recovery

    Two Vermont enterprises are using heat from active composting piles — up to 1 million Btus of energy per ton of material composted — in greenhouse operations this winter.
    Gaelan Brown
    BioCycle March/April 2015, Vol. 56, No. 3, p. 34

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  • King County, Washington’s display at a farmers market, which included information on how to keep the produce being purchased fresh, was popular and effective to recruit participants for its Food: Too Good To Waste (FTGTW) Challenge.

    Wasted Food Pilots Raise Consumer Awareness

    Pilot testing of the Food: Too Good To Waste toolkit in 15 communities illustrated that measuring household food waste activated participants’ natural tendency to avoid wasting.
    Marsha Johnston
    BioCycle March/April 2015, Vol. 56, No. 3, p. 38

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  • The horizontal plug flow digesters, about 115-feet in length, have a longitudinal paddle shaft that slowly rotates. Material traverses the digesters over a typical 21-day retention time.

    Adding AD To Existing Composting Site Footprint

    Two horizontal digesters and an in-vessel composting system enabled the City of Augsburg, Germany to expand processing capacity and include food waste.
    Robin Szmidt
    BioCycle March/April 2015, Vol. 56, No. 3, p. 42

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  • Figure 1. Illustration of process flow at SMET 71’s Ecocea facility

    Integrating Digester, Tunnel Composter In France

    The Ecocea anaerobic digestion and composting facility is expected to process 80,500 tons/year of household waste, with biomethane fed into an industrial natural gas network.
    Marsha W. Johnston
    BioCycle March/April 2015, Vol. 56, No. 3, p. 42

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  • Figure 1. Example test location

    Positive Air, Biofilter Cover Layer Control Biosolids Composting Emissions

    An R&D project at a California facility was executed under commercial-scale operation to evaluate the “+ASPw/BFC” technology’s operational feasibility and air emissions control performance.
    T. Cordova, J. Goodwin, T. Card and C.E. Schmidt
    BioCycle March/April 2015, Vol. 56, No. 3, p. 49

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  • Several composting facilities in Illinois have expanded to accept food scraps, such as St. Louis Composting’s operation in Belleville, Illinois.

    Growing A Food Scrap Composting Infrastructure In Illinois

    Stakeholder forums, a survey of Illinois composters and extensive research by the Illinois Food Scrap Coalition have resulted in a comprehensive report that will guide increased diversion and processing capacity.
    Jennifer Nelson, Jennifer Jarland and Stephanie Katsaros
    BioCycle March/April 2015, Vol. 56, No. 3, p. 52

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  • Figure 1: Closing the loop between food production and food consumption

    Agricultural Demand For Compost In Metro Portland Region

    Economic analysis of compost supply, demand and utilization involved gathering data from various sources, including agricultural extension services, Metro and interviews with composters and farmers. Jeri Sawyer, Bonnie Gee Yosick and Erin Harwood BioCycle March/April 2015, Vol. 56, No. 3, p. 57 (This article references tables available in BioCycle Magazine in print.) How can a Read the full story >

  • Haulers connect to the FOG receiving station, comprised of two tanks, a FOG grinder, unload/tank mixing pump and a feed pump. Tipping fee is $.08/gallon. The plant has two 400 kW CAT engines (right).

    Oregon WWTP’s Energy Net Zero Journey

    Energy efficient digester mixers and treatment plant blowers, as well as installation of a solar array, FOG receiving system and two 400 kW CHP engines, are credited with helping to achieve energy net zero performance.
    Nora Goldstein
    BioCycle March/April 2015, Vol. 56, No. 3, p. 63

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  • Figure 2. Commercial solid waste collection containers in Rolla

    Food Scraps Diversion Feasibility In A Small City

    A 2014 study sought to answer the question: Can diversion and composting be done cost-effectively, with minimal fiscal impact on Rolla, Missouri’s businesses and residents?
    Craig Coker
    BioCycle March/April 2015, Vol. 56, No. 3, p. 67

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