Methane fermentation treatment of evaporation condensate of waste water of pulp paper making
专利汇可以提供Methane fermentation treatment of evaporation condensate of waste water of pulp paper making专利检索，专利查询，专利分析的服务。并且PURPOSE: To easily and economically treat the waste water of pulp paper making by filtering the evaporation condensate of said waste water with a selective permeable membrane then passing the condensate into a methane fermentation bioreactor.
CONSTITUTION: The treatment of the waste water and the production of gaseous methane are executed by filtering the evaporation condensate of the waste water of pulp paper making with a selective permeable membrane device 8 to remove the material to hinder methane fermentation contained therein (e.g.; creamy emulsion) in a pretreatment stage and passing the waste water after the pretreatment into the methane fermentation bioreactor 5 is a methane fermentation stage. As a result, the waste water treatment cost is considerably reduced and the gaseous methane is recovered as energy. The need for a stripping stage for removing the odor of a sulfur compd. is eliminated and the reuse of the treated water to a digesting stage is made possible. Since the space for installation is considerably decreased, the effective utilization of land is made possible.
COPYRIGHT: (C)1987,JPO&Japio，下面是Methane fermentation treatment of evaporation condensate of waste water of pulp paper making专利的具体信息内容。
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