The study results indicate that PAHs in soot, coal particles, coke particles and waste water emitted from coking can result in the atmospheric, soil and water pollution.
研究表明，煤中多环芳烃通过焦化作业以烟尘、煤粒、焦末以及外排废水形式迁移而污染大气、土壤和水环境。
Against the production process and waste water feature of the coking plant, the proposal of control from the source is adopted.
针对焦化厂的生产工艺和废水特性，采用从源头治理的方案。
The results showed that the system could efficiently COD from the coking waste water. The COD removing rate was over 90% and the ammonia nitrogen removing rate was over 80%.
结果表明，系统能有效地去除焦化废水中的COD，去除率均大于90%，氨氮的去除率在80%以上。
The results showed that the system could efficiently COD from the coking waste water. The COD removing rate was over 90% and the ammonia nitrogen removing rate was over 80%.
结果表明，系统能有效地去除焦化废水中的COD，去除率均大于90%，氨氮的去除率在80%以上。
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