Anaerobic Digestion: Difference between revisions
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[[File:Biogen AD plant.jpg|400px|left|Biogen Ad Plant in Gwynedd 11,500 tonnes of food waste per year - source Biogen.co.uk]]__TOC__ | [[File:Biogen AD plant.jpg|400px|left|Biogen Ad Plant in Gwynedd 11,500 tonnes of food waste per year - source Biogen.co.uk]]__TOC__ | ||
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==Overview== | ==Overview== | ||
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* consists of both of the above (i.e. Farm AD that is multi-streamed). | * consists of both of the above (i.e. Farm AD that is multi-streamed). | ||
The banding levels shown for the various subsidies relate to different subsidy rates in each band and are referred to in this page and the associated subsidy pages and links. | The banding levels shown for the various subsidies relate to different subsidy rates in each band and are referred to in this page and the associated subsidy pages and links. | ||
The Statutory Guidance for AD facilities including the use of the resultant biogas can be found here<ref>[https://www.gov.uk/government/publications/sr2021-no-6-anaerobic-digestion-facility-including-use-of-the-resultant-biogas-installations?utm_medium=email&utm_campaign=govuk-notifications-topic&utm_source=9ca610e6-b14a-4823-bb2b-77175d62080c&utm_content=daily SR2021 No.6: anaerobic digestion facility, including use of the resultant biogas - installations]</ref>. | |||
===The Chemical Process of AD=== | ===The Chemical Process of AD=== | ||
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[[ADBA]] maintain the national database of AD plants in the UK as an online tool<ref name="Map"/>. The online tool captures those plants which are based on four different feedstock configurations and three different power output configurations. A summary of the total plants listed is set out below, with an extract in the map to the right of MSW/Commercial [[Food Waste]] AD facilities generating electricity: | [[ADBA]] maintain the national database of AD plants in the UK as an online tool<ref name="Map"/>. The online tool captures those plants which are based on four different feedstock configurations and three different power output configurations. A summary of the total plants listed is set out below, with an extract in the map to the right of MSW/Commercial [[Food Waste]] AD facilities generating electricity: | ||
[[File: | [[File:AD Map Biogas-info.png|800px|thumb|right|AD Map from Biogas-info.co.uk ]] | ||
{| class="wikitable" | {| class="wikitable" | ||
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The difference between the ONS data and the [[Ofgem]] data above, i.e. 213 sites (adjusted from the 221 sites with the time error data highlighted above), can be inferred to be those AD plants that are producing biomethane rather than electricity (assuming their other datasets align). | The difference between the ONS data and the [[Ofgem]] data above, i.e. 213 sites (adjusted from the 221 sites with the time error data highlighted above), can be inferred to be those AD plants that are producing biomethane rather than electricity (assuming their other datasets align). | ||
The same [[Ofgem]] data shows that the smaller projects are primarily fed by silage, manures and slurries (i.e. Farm based AD) | The same [[Ofgem]] data shows that the smaller projects are primarily fed by silage, manures and slurries (i.e. Farm based AD). | ||
==References== | ==References== | ||
<references /> | <references /> | ||