摘要：

利用焦化厂现有的生物脱酚设施，不改变正常运行的条件下，在二沉池投加聚合硫酸铁和阳离子型聚丙烯酰胺，再经焦炭、活性炭处理，取得了满意结果。综合处理后的水质明显改善，达到国家排放标准和复用水要求，有较好的经济效益和社会效益。

关键词: 焦化, 生物脱酚, 废水, 治理, 环境化学

Abstract:

A satisfactory result was obtained by adding PFS and PAM in the second grit chambers, treating with coke and active carbon and using available biological dephenol facilities in the coking factory without changing the normal working conditions.The water quality has been improved significantly after the comprehensive treatment and met the national standard requirement of its disposal.There have been good economic benefit and social benefit.