| 摘要 |
PCT No. PCT/JP92/00380 Sec. 371 Date Jan. 12, 1994 Sec. 102(e) Date Jan. 12, 1994 PCT Filed Mar. 27, 1992 PCT Pub. No. WO92/17408 PCT Pub. Date Oct. 15, 1992.A process for treating waste washing water, which is only slightly affected by temperature, can dispense with any chemical, and wherein the quality of treated water is not affected by a change in the waste water concentration. The process comprises conducting impregnation with an impregnant having a composition comprising triethylene glycol dimethacrylate, 2-hydroxyethyl methacrylate, lauryl methacrylate, nonionic surfactant and azobisisobutyronitrile; separating the impregnant thereafter; washing the surface of the impregnated article with water; and treating the waste water by filtering the liquid having the above composition though a filter having a retained particle diameter of at most 20 mu m. |
