star screen system Articles

  • “CO-MINGLED” SORTING WITH THE BEST EFFICIENCY

    Ballistic separators are a standard when sorting “co-mingled waste”. Even 20 years ago various experiments were carried out to try and imitate the ballistic effect with other machines. Until now the sorting quality and efficiency of the ballistic separator has not been achieved in any of the experiments with tilted conveyor belts, disk screens, banana screens, star screens and ...

  • Improving Performance · Processing Equipment Retrofit at Florida Composting Facility

    PALM Beach County, Florida may have been confused during the last presidential election but there is no confusion about management of the county’s organic waste stream. Palm Beach County has a population of approximately 1.2 million people and the Solid Waste Authority of Palm Beach County is responsible for the management and disposal of the solid waste that is generated here. The authority ...


  • Size reduction of substitute combustibles (RDF)

    The new pilot installation of SITA Wiebe GmbH, Bielefeld/Germany, processes highly calorific commercial and industrial waste to become quality-assured substitute combustibles for cement industry and/or power plants. Basic items of this ultra-modern processing installation are two one-shaft size reduction machines of type WLK 30 Super-Jumbo of WEIMA Maschinenbau GmbH, Ilsfeld. The total output of ...


  • Solution Driven Organics Recycler

    Ag Choice hauls, depackages and produces animal feed and compost. Founders Jay and Jill Fischer embrace new opportunities, and then figure out how to maximize efficiencies and profitability. BioCycle first visited Ag Choice in 2007, two years after Jay and Jill Fischer started their organics collection and composting enterprise in Andover, New Jersey. At the time, composting was an ...


    By BioCycle Magazine

  • Monitoring the holy ground of FC Basel - Case Study

    The grass on athletic grounds, particularly in large stadiums, is not only an important concern for sports but also one of the largest cost drivers. Therefore, the monitoring and care of the grounds takes on special significance. PlantCare has installed a soil moisture monitoring system as part of the redesign of the entire playing field at St. Jakob-Park stadium in Basel. The system measures ...


    By Eijkelkamp Soil & Water

  • Residential SSO To High Solids Anaerobic Digestion

    Source separated organics, including kitchen and garden waste, are processed in a dry AD plant. Resulting biomethane is injected into an adjacent natural gas pipeline. Winterthur, a city in the canton of Zürich in northern Switzerland, has the country’s sixth largest population, estimated at more than 100,000. In 2011, the City of Winterthur launched a 2050 energy policy to ...


    By BioCycle Magazine

  • Adding AD To Existing Composting Site Footprint

    About an hour’s drive west of Munich in southern Germany, the City of Augsburg had been served by an indoor composting facility since 1994. It was operated by Abfallverwertung Augsburg (AVA), three quarters of which was initially owned by the City of Augsburg and the districts of Aichach-Friedberg and Augsburg. Until recently, the remaining quarter was owned by a private company but as of ...


    By BioCycle Magazine

  • Turning a Liability into an Asset: A Landfill Gas-to-Energy Project Development Handbook

    Each person in the United States generates about 4.5 pounds of solid waste per day almost one ton per year. Most of this waste is deposited in municipal solid waste landfills. As this landfilled waste decomposes (a process that may take 30 years or more), it produces landfill gas. Landfill gas contributes to the formation of smog and poses an explosion hazard if uncontrolled. Furthermore, because ...


  • 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

  • Completing the Cycle: Composters, Wood Grinders Find Expansion Opportunities

     Composters, Wood Grinders Find Expansion Opportunities Interesting evolutions have taken place over the past ten years in the organics processing industry. Sites that opened to compost yard trimmings gradually transitioned into processing woody materials, while wood processors expanded into the composting arena. Other businesses that started with no plans for recycling wood discovered ...


    By BioCycle Magazine

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