The paper analyses common prlblems and harms for treating the coke-plant wastewater with activated sludge aeration in twice, puts removal rate and to reduce running cost.

• 分析了二次曝气活性污泥法处理焦化废水中常见问题及危害,提出了运用清洁生产等手段解决问题,提高去除效率,降低运行成本的一些方法。