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| 摘要: |
| 压裂返排液的主要成分是羟丙基胍胶及其它的有机添加荆。具有COD严重超标的污染特征。现在油田废水的处理普遍使用物理法、化学法、物理化学法，处理COD去除率较低，处理后很难达到国家一级排放标准。将压裂返排液在混凝、Fe／C微电解、活性炭吸附等物理化学预处理的基础上进行生物处理，COD去除率达到95％以上，处理后的压裂返排液COD含量达到国家一级标准。并用测耗氧曲线法实验，证明了微电解能够大大提高处理液的可生化性。 |
| 关键词: 压裂返排液 物理化学预处理 混凝 微电解 测耗氧曲线法 可生化性 |
| DOI： |
| 分类号:X741 X703 |
| 基金项目: |
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| Experimental Study of Biochemical Treatment of Fracturing Fluid Recovery |
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Zhong Xian~1 Zhao Lizhi~1 Yang Xu~1 et al
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| Abstract: |
| 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.Nowadays,chemical,physical and physicochemical methods are w |
| Key words: fracturing fluid recovery,physicochemical pretreatment,coagulation,micro-electrolysis,oxygen consumption measurement,feasibility of biodegrading,biological treatment |
