| 摘要 |
? An improved reverse osmosis membrane and process for making the same is described. The membrane is prepared by treating an aromatic polyamide reverse osmosis membrane with nitrous acid or a diazonium compound. The resulting membrane possesses improved chlorine resistance. When the nitrous acid treatment is employed 7 the water flux of polyamide membranes is frequently increased with little or no effect on the salt rejection of the membrane. 35,659-F ? |
