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					             Anaerobic Digestion
             of Food Waste
             The Westwood Project

             Michael Chesshire
             Technology Director
             BiogenGreenfinch




REA Bioenergy Conference, 8th October 2009
    Anaerobic Digestion
    a Natural Biological Process

                                                    Biogas




          Biomass
                                                             Biofertiliser
                                             40oC




REA Bioenergy Conference, 8th October 2009
     Biocycle Food Waste Digester
      Located in Ludlow, South Shropshire
      Defra Demonstrator
      Public / Private Partnership
      First Year (2006) - Co-Mingled Kitchen & Garden
      From 2007 - Kerbside Kitchen Waste




REA Bioenergy Conference, 8th October 2009
           Kitchen caddy, corn starch bags & kerbside bin




REA Bioenergy Conference, 8th October 2009
           Kerbside bins ready for collection in Ludlow




REA Bioenergy Conference, 8th October 2009
           Biodigester at Biocycle South Shropshire




REA Bioenergy Conference, 8th October 2009
           Food waste being tipped in reception hall at Biocycle




REA Bioenergy Conference, 8th October 2009
           Biocycle food waste digester




REA Bioenergy Conference, 8th October 2009
           CHP & boiler at Biocycle




REA Bioenergy Conference, 8th October 2009
           Electric collection vehicle at Biocycle




REA Bioenergy Conference, 8th October 2009
      Twinwoods Digester
      Located in Bedfordshire
      Co-digestion of pig slurry with domestic &
      commercial food waste
      Commissioned in 2006




REA Bioenergy Conference, 8th October 2009
           Co-digestion of pig slurry & food waste at Twinwoods, Bedfordshire




REA Bioenergy Conference, 8th October 2009
           Delivery of kitchen waste from Central Bedfordshire Council at Twinwoods




REA Bioenergy Conference, 8th October 2009
           Spreading digestate at Twinwoods




REA Bioenergy Conference, 8th October 2009
      Westwood Food Waste Digester
      Located in Northamptonshire
      45,000 tonnes/year of domestic and commercial
      food waste
      1.5MW Electricity
      British design
      Planning granted in May 2008
      Commissioning started in June 2009
      Producing 1.25MW electricity by August 2009



REA Bioenergy Conference, 8th October 2009
           45,000 tonnes per year BiogenGreenfinch food waste AD plant in Northamptonshire




REA Bioenergy Conference, 8th October 2009
            BiogenGreenfinch food waste AD plant at Westwood




REA Bioenergy Conference, 8th October 2009
      The Future for Commercial AD in UK
      Defra’s “Shared Goals” has set a target of 100
      commercial AD plants (as well as 1000 on-farm
      digesters) by 2020.
      BiogenGreenfinch is focussing its strategy on
      “Build, Own, Operate” of commercial AD plants.
      We are seeking project partners to include sites,
      farmland and funding.




REA Bioenergy Conference, 8th October 2009
  Anaerobic Digestion
  A Low-Carbon Process
                                Biogas




   Biomass
                                         Biofertiliser
                         37oC




REA Bioenergy Conference, 8th October 2009
                                             Thank you




REA Bioenergy Conference, 8th October 2009