工艺废水 meaning in English

process effluent

Treament for waste water of coal gas production by biochemical
煤气生产工艺废水生化处理方法
Brief analysis of wastewater characteristics in printing and dyeing production
印染生产工艺废水特性浅析
Base on the production condition in local printing and dyeing enterprises , this paper analyses the characteristics of wastewater
作者根据海门地区印染企业实际生产情况，对印染生产工艺废水的特性进行了分析。
At present , the national productive corporation that makes starch , including small and big ones , has amounted to thousands of them . the total output of potato starch is 0 . 4 million tons and 3 million tons of potatoes are processed each year . the discharged industrial wastewater with protein liquid in it is 1 . 2 million tons per year , which is almost all discharged into the rivers and reservoirs . it is causing serious pollution
目前，全国生产淀粉的企业大小数千家，马铃薯淀粉总量达40万吨，年加工马铃薯近300万吨，年排放工艺废水蛋白液约120万吨，现在基本全部排放于河流和水库中，造成严重污染。