Organic Fertilizer Machine
Process urban sludge with organic fertilizer pellet making machine
1. How to make organic fertilizer from urban sludge? At present, with the development of organic fertilizers made by organic fertilizer pellet making machine encouraged and rewarded by many countries, urban sludge has also become a treasure. (1) After fermenting biogas from sewage treatment plants or manures such as cow dung, the biogas residue and sludge are […]
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