一体化溶解臭氧浮选工艺在集中压裂废水处理厂的应用

IF 2.3 Q2 Environmental Science

Journal of Water Reuse and Desalination Pub Date : 2021-03-15 DOI:10.2166/WRD.2021.096

Zhu Yao, Xin Jin, Jiaxin Liang, Wang Rui, P. Jin, Guangping Li, Yao Liushuan, Zhe Wang

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引用次数: 5

摘要

为解决内蒙古某压裂废水集中处理厂电催化过程化学需氧量（COD）、浊度和悬浮物（SS）去除不稳定以及后续超滤膜-反渗透膜运行不稳定的问题，提出了一体化溶解臭氧浮选（DOF）工艺来取代原有的电催化工艺。在一个集成的DOF反应器中可以实现臭氧氧化、浮选、混凝和脱色等多种工艺。结果表明，DOF工艺对COD、色度、浊度和SS的去除率分别达到25.4%、49.9%、95%和96%。同时，与电催化工艺相比，处理成本降低了47%（即DOF工艺降低了1.77元/m3）。

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Application of an integrated dissolved ozone flotation process in centralised fracturing wastewater treatment plant

To solve the problems of unstable chemical oxygen demand (COD), turbidity and suspended solid (SS) removal for the electrocatalytic process and unstable operation of the subsequent ultrafiltration membrane–reverse osmosis membrane in a centralised fracturing wastewater treatment plant in Inner Mongolia, the integrated dissolved ozone flotation (DOF) process was proposed to replace the original electrocatalytic process. Multiple processes, such as ozonation, flotation, coagulation and decolourisation, can be achieved in one integrated DOF reactor. The results showed that the removal efficiency of COD, colour, turbidity and SS in the DOF process could reach 25.4, 49.9, 95 and 96%, respectively. Meanwhile, the treatment cost was reduced by 47% (i.e., 1.77 RMB/m3 for the DOF process) compared with the electrocatalytic process.

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来源期刊

Journal of Water Reuse and Desalination ENGINEERING, ENVIRONMENTAL-WATER RESOURCES

CiteScore

4.30

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Journal of Water Reuse and Desalination publishes refereed review articles, theoretical and experimental research papers, new findings and issues of unplanned and planned reuse. The journal welcomes contributions from developing and developed countries.