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With the rapid development of the dye industry, the dye veriety and volume increase day by day, which produces more and more drainage endangering the environment. Condensed dye drainage is one of the widely acknowledged industrial wastes. The research of filtering the dye drainage is a world wide poser and hot spot, which has been an important subject of environment protection research.

This paper concludes the best coagulation and oxidation conditions based on a research on a processing test of dye drainage in a textile group with the methods of coagulation and oxidation. The test proves that simple coagulation or oxidation can remove CODCr in the dye drainage to the No.1 level of Chinese national standard GB4287-84.

随着染料工业的迅速发展，染料品种和数量日益增加，染料废水给环境带来的污染也日益加大高色度的印染废水是目前公认的有害工业废水之一。对染料废水的脱色研究，是世界性的难题和热点，已成为当今环保科研的重要课题。。
本文通过对混凝化学氧化法处理某纺织集团印染废水试验的研究，得出最佳混凝条件和氧化条件实验结果表明，单一的混凝和单一的化学氧化都可使印染废水的 CODCr 去除率与脱色率达到国家 GB4287-84 的一级排放标准。

Along with the dye industry rapid development, the dye variety and the quantity increase day by day, the dye waste water the pollution which brings to the environment also day by day enlarges. The high chromaticity printing waste water is one of harmful industrial waste which at present recognizes. To the dye waste water decolorization research, is the world difficult problem and the hot spot, has become now the environmental protection scientific research important topic. This article through oxidation processes some textile group printing waste water experiment to the coagulation chemistry the research, obtains the best coagulation condition and the oxidized condition. The experimental result indicated that, the sole coagulation and the sole chemistry oxidation all may cause the printing waste water CODCr removeing rate and the decolorization rate achieved national GB4287-84 a level discharges the standard.

With the rapid development of industrial dyes, dye varieties and growing number of dye wastewater to the environment posed by pollution and growing. High chroma of textile wastewater is one of the recognized harmful industrial waste. Detreated of dye wastewater research is difficult and hot spots worldwide, has become an important topic in environmental research. The adoption of a law on aggregate chemical oxidation pilot study of the textile groups textile wastewater, and oxidation conditions at the best aggregate conditions. Experimental results show that a single aggregate and can enable printing of a single chemical oxidation removal and wastewater CODCr Detreated rate GB4287-84 the national level emissions standards.