Dehydrating agent and using method
专利汇可以提供Dehydrating agent and using method专利检索，专利查询，专利分析的服务。并且PURPOSE: To provide a marked synergistic effect and to obtain a dehydrating agent having excellent solid-liquid separating performance for org. sludge by combining humus (humus soil) and org. polymer flocculating agents.
CONSTITUTION: The above-described dehydrating agent is formed by combining humus (or humus soil) (e.g.; grass peat, materials resembling to grass peats) and org. polymer floculating agents. Cationic polymer flocculating agents, more particularly salt (co)polymers of tertiary nitrogen-contg. (meth)acrylate and acids, etc. are preferable for the polymer flocculating agents. The quantity of the humus to be added per solids weight of the org. sludge is usually 2W80%, more particularly 5W70%, and that of the org. polymer flocculating agents about 0.05W2%, more particularly 0.1W1%. The org. sludge is sewage, night soil or the sludge produced by activated sludge treatment of such materials. The quantity of the dehydrating agent to be used in the stage of solid-liquid sepn., filtration and dehydration by using said dehydrating agent is usually 2W80%, more preferably 5W70% per solids weight of the org. sludge.
COPYRIGHT: (C)1983,JPO&Japio，下面是Dehydrating agent and using method专利的具体信息内容。
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