Biogas production from animal manure contains multiple styles which currently has invented technology and has been used extensively.Most of the biogas production are separated according to the source of waste water: animal farm (Farm/manure waste), waste from industrial (Industrial waste) solid waste and household (Municipal Solid Waste, MSW/Household) current technology to produce biogas digestion process is used in biology could use air (Anaerobic process) within the pond using organic digestion rate broken down by 2 level organic digestion rate is low (Low rate), and high (High rate) for animal manure. As follows:1. the pond a slow fermentation oxygen access (Low rate anaerobic reactor) together with 3 format is a fixed Dome (digester dome Fixed) the cap of floating (Floating drum digester) and parallel Rails (Plug flow digester), which contains 2 plastic covers is a model soil ponding (lagoon Cover) and a plastic table covers. The pond a slow fermentation oxygen wireless space in the installation of the device. Because it requires a lot of time in high water catchment.1.1 the fixed-Dome (dome Fixed digester) is built with concrete, embedded in the ground. In addition, with animal manure and animal manure, pipe extrusion. Best gas storage built with concrete, next to the pond, gas pressure fermentation is not a constant, depending on the volume of gas within the pond.
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