• The content of CODCr, salt and pH in effluent from saponification process of petrochemical plant are very high.

    石化以氯醇法生产环氧乙烷过程中排出皂化废水有机物含量含盐量高,呈强碱性。

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  • The experimental results show that the CODcr and BOD5 in the effluents decrease with all kinds of activated sludge methods.

    本文采用运行方式不同活性污泥法,对混处理后废纸脱墨废水有机污染物的生物降解性能进行了试验。

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  • The CODcr degradation is more difficult because acidizing wastewater contains many kinds of additives in which the composition of most organic matters is complicated.

    油田酸化废水由于所含添加剂种类繁多,且有机成分复杂,使COD值降解难度增大。

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  • The main influencing factors are investigated in experiments, which can affect the treatment effects such as temperature, HRT, mineralization, CODCr volumetric load and packing material.

    实验考察了主要影响因素温度HRT、有机负荷、生物填料性能对反应器处理效能影响。

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  • 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.

    压裂返排主要成分羟丙基胍其它有机添加剂具有COD严重超标污染特征

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  • 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.

    压裂返排主要成分羟丙基胍其它有机添加剂具有COD严重超标污染特征

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