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本文根据吉林油田关于压裂液返排废水环保处理的要求,结合实验室内药剂筛选复配、药剂加量调整和处理工艺流程的稳定性等基础性实验,以及返排废水处理现场的实际情况,针对吉林油田乾安矿区现场采集的废水进行了大量的实验室试验,开展了化学药剂对污水体系处理的适应性、处理工艺及相关设备运行的稳定性试验,并在原有工艺的基础上利用微波高级氧化系统及活性炭毡再生系统有效打断胍胶以及有机高分子分子链,不产生二次交联,彻底解决了活性炭再生问题,为生产装置的设计和现场实验的实施奠定了坚实的基础。
In this paper, based on the requirements of Jilin Oilfield for environmental treatment of fracturing fluid backwash wastewater, combined with the basic experiments such as screening and compounding of pharmaceuticals in laboratories, adjusting the amount of chemical added and the stability of the process flow, and the actual situation of the wastewater treatment site , Carried out a large number of laboratory tests on the waste water collected from the field of Qian’an Mine in Jilin Oilfield and carried out the tests on the adaptability of chemical agents to the treatment of sewage system and the stability of the operation process and related equipment operation. Based on the prior art, Microwave advanced oxidation system and activated carbon felt regeneration system can effectively interrupt guanidine gum and organic polymer molecular chains without secondary crosslinking and completely solve the problem of activated carbon regeneration, which has laid a solid foundation for the design of production facilities and the implementation of field experiments .