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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Fluid enhances dislocation glide and climb, increases the rate of recovery of strained grains and accommodates the fracturing.

流体相促进位错滑移与攀移，并加速应变颗粒的恢复作用，以协调破裂过程。

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