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为实现《制浆造纸工业水污染物排放标准》第二阶段目标,对某制浆造纸企业污水处理系统进行技术改造。污水处理系统改造后,通过环保部门的达标验收,外排水的各项指标均优于国家标准。
In order to achieve the second phase of the “Standard for Discharge of Water Pollutants in Pulp and Paper Industry”, the technical transformation of the sewage treatment system of a pulp and paper enterprise shall be carried out. After the transformation of the sewage treatment system, all the indexes of external drainage are better than the national standards through the compliance inspection and acceptance by the environmental protection department.