PVC生产中黑黄点的产生及预防

The occurrence of black and yellow spots in the production of PVC and the prevention

从原料、聚合、汽提、干燥等方面介绍了上海氯碱化工股份有限公司在PVC生产中黑黄点产生的原因及预防措施。

Reasons for the occurrence of black and yellow spots in the production of PVC and the prevention in Shanghai Chlor- Alkali Chemical Industry Co., Ltd. were introduced in the fields of raw material ,polymerization, stripping and drying, and the preventive measures were proposed