| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for cleaning waste water which can clean waste water in a cleaning system at a low running cost and reduce an environmental load, in connection with the installation in a home washing machine and an industrial laundry system, by increasing the removal rate of polluted organic substances in particular anionic surfactants by coagulation and aggregation. SOLUTION: The apparatus for cleaning the waste water removes organic materials dissolved in waste water by coagulation or aggregation, which is characterized by having a pH adjusting means reducing pH of the waste water by adding an acid therein.
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