介绍了皮革工业废水中所含污染物质铬、 硫化物、 悬浮物和有机化合物、无机盐等的各种去除方法。
Various methods for removing contaminants, such as chromium, sulfide, suspension, organic compounds and inorganic salts, from waste water in the leather industry are introduced.
铬是地表水和地下水中的常见污染物，它被广泛应用于电镀、制革和防腐。
Chromium, a common pollutant in surface water and groundwater, is widely used in electroplating, leather tanning, and corrosion protection.
铬的毒性与其存在状态有关，六价铬是电镀含铬废水中的主要特征污染物。
The toxicity of chromium is related to its oxidation states, and the primary typical pollutant in chromium-containing electroplating waste water is hexavalent chromium.
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