... demountable FRP biogas digester Low cost,environment-friendly Use the waste to produce biogas I.The characterization of biogas digester ... ratio.SpecificationsName:biogas digester Low cost,environment-friendly Use the waste to produce biogas for generating electricity,cooking,heating,1. ... use all kinds of manure\sewage\straw or some organic waste to produce biogas. The biogas contains about 50%-60% ...