污水排入城市下水道水质标准
污水排入城市下水道水质标准-
在试验条件下，当汞和铅的原水浓度达到污水排入城市下水道水质标准时，去除率在70%以上，出水满足农业灌溉水质标准。
Under experimental conditions , when initial contents of Hg and Pb reach the water quality standards for municipal sewer sewage , the removal efficiency is beyond 70 % , and the effluent can reach the water quality standards for agricultural irrigation .