The addition of PAC has no obvious effect on resistance of membrane filtration. 粉末活性炭的投加對膜過(guò)濾阻力影響不大。
The application of the HVM membrane technique in the process of the primary brine refining is introduced. 介紹了凱膜過(guò)濾技術(shù)在一次鹽水生產(chǎn)中的應用經(jīng)驗和技巧。