生物法处理含油钻井废水的影响因素研究
Factors in the treatment of drilling wastewater by biological method
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摘要: 以含油钻井废水原浆为处理对象,研究了生物法处理过程中的相关影响因素。实验结果表明,氮、磷源是影响钻井废水中石油烃降解的重要因素,最佳氮、磷源及其加入量分别为(NH4)2SO4 100 mg/L和KH2PO4 60 mg/L。在30~36 ℃,接种量15%,pH=6~8条件下处理72 h后可使钻井废水中的石油烃含量由805.6 mg/L下降到17.6 mg/L。Abstract: Correlative factors in the biological treatment of drilling wastewater were researched. The experimental results show that N and P sources are important factors affecting degradation in the process, concentrations of (NH4)2SO4 and KH2PO4 are 100 mg/L and 60 mg/L respectively. When the temperature was from 30 ℃ to 36 ℃, inoculum size was 15%, pH was from 6 to 8, the content of petroleum hydrocarbon in drilling wastewater dropped from 805.6 mg/L to 17.6 mg/L after 72 h.
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Key words:
- drilling wastewater /
- biological method /
- petroleum hydrocarbon /
- degradation
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