Most of the organic matter in domestic sewage is biogas produced after anaerobic fermentation. Most of the organic matter in the sewage domestic sewage is biogas produced after anaerobic fermentation. The fermented sewage enters the facultative digestion filter pool, and some undecomposed organic matter is further. degradation. The precipitated part of organic matter and activated sludge are refluxed into the anaerobic fermentation tank to improve the effect of anaerobic fermentation, which will achieve the purpose of purification treatment. The purification biogas tank of domestic sewage treatment equipment is a small decentralized sewage treatment device with less investment. The effect is good, and the operation does not require energy support. The technology has been widely used in Lishui, Donghai and other places, and the results are more significant. Http://://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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