Biogas pretreatment system describes that anaerobic fermentation biogas is a subsidiary product of normal production in modern wastewater treatment plants, alcohol plants and farms. Its main components are 50-65% methane and 30-50% carbon dioxide, and it also contains hundreds of components such as water vapor, sulfide, nitrogen compounds, among which methane is one of the main greenhouse effect pollutants. Biogas will not only pollute the environment, but also cause serious security risks, so it is necessary to treat anaerobic biogas centrally.
The above factories are generally large consumers of electricity. The centralized collection of biogas from normal production for power generation can not only improve the utilization rate of resources, but also reduce the dependence on municipal power. Therefore, biogas cogeneration process can be used for wastewater treatment plants, alcohol plants and farms with large gas production. Biogas pretreatment system is an important equipment in biogas power generation project. The system is not only used to realize the functions of dehydration, desulfurization, pressure stabilization, impurity removal and safety protection of biogas, but also a gas transmission bridge between biogas anaerobic reaction tank and generator set.
由于沼气属于易燃易爆的气体，安 全应该作为设计主要原则。同时还要兼顾系统的可靠性、经济性。
As biogas is flammable and explosive gas, safety should be the main principle of design. At the same time, the reliability and economy of the system should be considered.
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2021-04-14
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