专利汇可以提供Packing material for treating water专利检索,专利查询,专利分析的服务。并且PURPOSE:To enable permanent use, by using small pieces, each of which has such a shape that wires are radially expanded, made of a polyethylene or polypropylene resin as a packing material. CONSTITUTION:As a filter material used in the packing material of an aeration tank having a water treatment contact bed according to an activated sludge method, small pieces, each of which comprises a polyethylene or polypropylene resin and has such a shape that wire like branches 2 are radially protruded from a base part 1 and a size of several cm - several ten cm, are used. This packing material is easy to slip and is not attacked by chemicals and has a stable surface and is improved in the adhesion of bacteria in a state suspended in water. By this packing material, air bubbles can be stagnated in water for a long time and aeration effect can be increased.,下面是Packing material for treating water专利的具体信息内容。
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