On October 31st, China's first sludge carbonization line was formally put into use at the Wuhan Thomson Lake Sewage Treatment Plant. The sludge carbonization line first uses a dryer to “grill†the sludge into dry sludge with a moisture content of no more than 40% and fine particles, and then transports it to a carbonization furnace for carbonization and finally produces a black powdered sludge carbide. . The processing line can handle 10 tons of sludge per day and can make 1 ton of sludge carbide. Sludge carbides can be used as adsorbent materials, deodorizing materials, sterilizing materials, fuel or vegetable cultivation fertilizers, and soil improvement materials.
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