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纺织印染废水属难处理的工业废水之一
印染废水是加工棉、麻、化学纤维及其混纺产品为主的印染厂排出的废水。印染废水水量较大，每印染加工1吨纺织品耗水100～200吨，其中80～90%成为废水。纺织印染废水具有水量大、有机污染物含量高、碱性大、水质变化大等特点，属难处理的工业废水之一，废水中含有染料、浆料、助剂、油剂、酸碱、纤维杂质、砂类物质、无机盐等。
Printing and dyeing wastewater is the wastewater from printing and dyeing factories which mainly process cotton, hemp, chemical fiber and their blended products. The water consumption of printing and dyeing wastewater is large, 100-200 tons of water is consumed for each ton of textile processing, 80-90% of which is waste water. Textile printing and dyeing wastewater has the characteristics of large amount of water, high content of organic pollutants, large alkalinity and great change of water quality. It is one of the industrial wastewater that is difficult to be treated. The wastewater contains dyes, size, additives, oil agents, acid and alkali, fiber impurities, sand substances, inorganic salts, etc.
由此可见，纺织染行业属于用水大户，同样也是污染大户，特别是浙江、广东两地更是督查大户。
It can be seen that the textile dyeing industry is a big water user and also a big polluter, especially in Zhejiang and Guangdong.
随着环保要求的不断提高，一方面需要完成印染废水的零排放，另一方面又要达到纺织染行业最新标准。
With the continuous improvement of environmental protection requirements, on the one hand, it is necessary to complete the zero discharge of printing and dyeing wastewater, on the other hand, it is necessary to meet the latest standards of textile dyeing industry.
Printing and dyeing wastewater is the wastewater from printing and dyeing factories which mainly process cotton, hemp, chemical fiber and their blended products. The water consumption of printing and dyeing wastewater is large, 100-200 tons of water is consumed for each ton of textile processing, 80-90% of which is waste water. Textile printing and dyeing wastewater has the characteristics of large amount of water, high content of organic pollutants, large alkalinity and great change of water quality. It is one of the industrial wastewater that is difficult to be treated. The wastewater contains dyes, size, additives, oil agents, acid and alkali, fiber impurities, sand substances, inorganic salts, etc.
由此可见，纺织染行业属于用水大户，同样也是污染大户，特别是浙江、广东两地更是督查大户。
It can be seen that the textile dyeing industry is a big water user and also a big polluter, especially in Zhejiang and Guangdong.
随着环保要求的不断提高，一方面需要完成印染废水的零排放，另一方面又要达到纺织染行业最新标准。
With the continuous improvement of environmental protection requirements, on the one hand, it is necessary to complete the zero discharge of printing and dyeing wastewater, on the other hand, it is necessary to meet the latest standards of textile dyeing industry.