求翻译：废水是造纸厂最大污染物，主要来自制浆、造纸工段，造纸白水中浓白水全部直接回用，稀白水经过滤除去部分固体悬浮物后大部分回用少量达标排放；锅炉排水中有少量悬浮物及过量Ca+1、MG++，但水量较小，可直接排放是什么意思？

Is the largest paper mill wastewater pollutants, mainly from the pulp, paper sections, all of White Water in the thick white water directly reused, dilute some white water through a filter to remove suspended solids, after most of the back with a small amount of discharge; boiler drain in a small am

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正在翻译，请等待...

Wastewater are paper mill maximum contaminant, primarily from pulping and papermaking section, white cloudy water all direct reuse, rare white water filtering to remove some solid suspended matter most with small discharge; drainage of boiler small suspended particles and excessive Ca+1, MG++, small

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