利用反渗透技术对循环水排污水进行回收，合理利用全厂各种废水，实现废水零排放。
Using reverse osmosis technology, all types of waste water from circulation can be recycled to realize zero discharge.
本文主要介绍了焦化循环水系浓缩后的排污水．用于生物脱酚生产的运行指标，效果及应注意的事项。
This paper introduces the operation indexes, effect and some careful questions when enriched wastewater of coking cyclic water system is used in dephenol prelation by biological method.
循环水由于含盐量较高，在对其排污水进行回收处理时一般采用反渗透除盐工艺。
Because of the high salt concentration of circulating water, the reverse osmosis (RO) technology is usually used to treat the effluent of circulating water system.
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