摘要：通过对奥贝尔氧化沟工程实际运行工况的测试，分析研究了脱氮功能、抗冲击负荷能力、去除难降解有机物能力以及污泥性能等特征，并就其三沟DO呈0-1-2的梯度分布与氮的去除机理进行了探讨。 关键词：污水处理 奥贝尔氧化沟 工程应用 脱氮性能 Abstract：The performance of Orbal oxidation ditch used in Niukouyu Wastewater Treatment Plant is presented in this paper.The efficacy of nitrogen removal，shock load tolerance，removal of refractory organic materials and sludge characteristics were analyzed through field-test.A discussion of nitrogen removal mechanism under dissolved oxygen concentration distribution of
