Manure Digestion Articles

  • Animal Manure or Sludge Organic Fertilizer Production

    Introduction of Animal Manure or Sludge Organic Fertilizer Production Line Organic fertilizer production line is designed for producing organic fertilizer from animal manure or sludge, without any chemical ingredients. As chickens, pigs have a poor digestion, can only consume 25% of the nutrients, so other 75% of feed nutrients with feces discharge can be produced to the dry ...

  • Dairy Digester Opens Doors On Maryland Farm

    Kilby Inc., a 600-cow dairy operation located in Colora, Maryland, has the only operational commercial anaerobic digestion (AD) system in the state. In 2009, Kilby Inc. (the dairy farm and milk production business) began construction of a covered lagoon digester, which started operating in March 2011. The digester input consists of flushed cow manure (98% by volume) and food waste (2%), including ...


    By BioCycle Magazine

  • Digested Dairy Manure To High-End Potting Soil

    Robert Joblin and Ted Sniegocki of Cenergy USA based in Little Rock, Arkansas, are not horticulturalists or agronomists. But they are anaerobic digester developers and when falling rates for renewable energy and the loss of the federal Investment Tax Credit grant hit at the same time, the financial models they had been using “fell down.” The need for additional revenue streams for AD ...


    By BioCycle Magazine

  • Anaerobic Digester

    An ultra modern waste-to-energy plant near Chin, Alberta, will be built using Highmark's patented IMUS technology.  It will be a multi-feedstock system, capable of digesting potatoes, cattle manure and other nearby waste while killing off pathogens.  The whole community will benefit from the Perry family's innovation and forward-thinking stewardship of their century-old farming ...


    By Himark bioGas Inc

  • New manure digester generates heat at World Dairy Expo

    For anyone visiting the World Dairy Expo, there can be a lot to digest. The world's largest dairy trade show begins Tuesday at Alliant Energy Center. Around 65,000 people are expected to attend. There are 752 companies and organizations exhibiting and there will be approximately 3,000 cows on the grounds. There will be 14 cattle shows, eight virtual farm tours and the Badger Dairy Club ...


    By Himark bioGas Inc

  • Evaluation of Phosphorus source coefficients as predictors of runoff Phosphorus concentrations

    Received for publication December 27, 2007. Many states have adopted a P site index (PSI) as a risk assessment tool to determine when P-based nutrient management is required for a given agricultural field. Some PSIs use a weighting factor, the phosphorus source coefficient (PSC), to account for differences in P solubility between organic P sources. Information relating to appropriate values of ...

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