| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for treating an organic substance-containing liquid by a membrane separation activated sludge method without increasing the amount of generated excess sludge, capable of preventing troubles such as poor membrane permeability, foaming, the generation of scum, an increase in viscosity or the like for a long time and continuously, and stable; and a treatment apparatus. <P>SOLUTION: In the treatment of organic waste water by the membrane separation activated sludge method including operation A loading activated sludge with a flocculant and operation B for making a micro animal act on the activated sludge, the method for treating the organic waste water comprises implementing at least one time of the operation B during from before 3 days to after 7 days of the period of implementation of the operation A. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
