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酚类污染物由化工厂、染料厂、纤维板制胶厂、焦化厂、煤气厂、冶金企业等处排放，这些酚类化合物废水，主要含酚和油类，此外尚含有大量的氨和其他有机物，具有很高的生化需氧值，污染池塘后危害极大，鱼会在短期内大批死亡。几年来，我区水技站为有关部门提供死鱼鉴定，成功
Phenolic pollutants discharged by chemical plants, dye factories, fibreboard rubber factories, coking plants, gas plants, metallurgical enterprises, etc., these phenolic compounds wastewater, mainly containing phenols and oils, in addition to containing large amounts of ammonia and other organic matter , Has a high biochemical oxygen demand, polluting the pond after the great harm, a large number of fish will die in the short term. In recent years, our district water technology station for the relevant departments to provide dead fish identification, success