cationic hydroxypropylguar gum 阳离子羟丙基瓜尔胶
Hydroxypropylguar gum and other organic additives are the predominant components of fracturing fluid recovery, which have excessive CODCr, the most important polluting characteristic of the sewage.
压裂返排液的主要成分是羟丙基胍胶及其它的有机添加剂，具有COD严重超标的污染特征。
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