Treatment of waste water containing difficultly biodegradative substance
专利汇可以提供Treatment of waste water containing difficultly biodegradative substance专利检索，专利查询，专利分析的服务。并且PURPOSE: To efficiently decompose and remove difficultly biodegradative substrance such as humic acid and organic substance of similar structure, by bringing waste water containing the difficultly biodegradative substance into contact with lysozyme or immobilized lysozyme.
CONSTITUTION: Air is blown from a blast pipe 5 into the main body 4 of a fluidized-bed apparatus through its bottom. The air flows through an air-lift pipe 6 to raise and fluidize waste water and carriers. The carriers and the treated water are separated from each other in a carrier-separating chamber 7, and the treated water is let flow out through an outlet 8 for treated water. The capacity of the fluidized tank was at 1m
3 , and the packing ratio of immobilized lysozyme was made at 30%. When waste water was continuously treated with residence time of 80min for 24hr using 5×10
4 unit/20ml-carrier the immobilized lysozyme, the resulting ratio of TOC removal was at 29%. Enyzme reaction in this method is performed at above an ordinary temp., but the reaction is efficiently performed at 30W40°C.
COPYRIGHT: (C)1984,JPO&Japio，下面是Treatment of waste water containing difficultly biodegradative substance专利的具体信息内容。
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