| 摘要 |
<p>A Biogas digestion apparatus comprises a composter 2, preferably made of a high thermal conductivity material, which is built inside an anaerobic digester tank 1. The anaerobic digester tank 1 may contain feedstock (food waste paste) mixed with water which is inputted in to the tank at inlet 5 after passing through grinder 7. The composter 2 is typically submerged under the feedstock in the anaerobic digester tank and fed via inlet 18 with composting material such as garden waste. The composter maybe supplied with air via inlet 26 and the digested material maybe released via outlet 19. The heat generated by the hot composting process is transferred to the feedstock in the anaerobic digester tank via the composter's high thermal conductivity walls thus raising its temperature to assist anaerobic digestion which produces biogas. Advantageously, the biogas produced in the process is then fed to a storage tank from where it is further fed to a biogas consumption system.</p> |
