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本文简明地阐述了氧化沟污水处理技术的工艺原理及特点，着重指出了该工艺中溶解氧实时控制的重要性，使沧州炼油厂污水处理效果有了明显提高
This paper concisely expounded the process principle and characteristics of the oxidation ditch wastewater treatment technology, and emphasized the importance of the real-time control of dissolved oxygen in the process, which improved the sewage treatment effect of Cangzhou Refinery