Compositions of mother liquid from polymerization and drying procedure in PVC production are complex. The mother liquid is recycled with the biochemical and double-film treatment.
聚氯乙烯生产过程中聚合干燥工艺排放的母液水，水质成分复杂，用生化处理后，再用双膜处理对其进行回用。
The mother liquid from the suspension production of PVC contained a small quantity of solvable polymer, such as PVA. It was difficult to remove PVA by traditional coagulation and filtration method.
悬浮法pvc生产过程中产生的离心母液中含有少量pva等可溶性高分子化合物，采用传统的混凝法和过滤法很难将其有效去除。
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