皮革鞣制加工废水中水回用改造处理探讨

Discussion on the treatment of changing back to the leather tanning waste water

湖北新成皮件(集团)有限公司在皮革鞣制加工过程中产生大量工业废水,该废水产生量大、污染物种类多、浓度高、色度高、处理难度较大。通过对各工段废水分别进行针对性预处理后,再进行集中物化生物处理,实现达标排放;同时,通过局部工艺改进,既降低了水耗,又提高了中水回用量,减少了废水排放,效益明显。

Hubei new leather(Group) Limited company produces large quantities of industrial waste water in the leather tanning process,The amount of wastewater generated, many kinds of pollutants, high concentration, high chroma, treatment is difficult. Through each section respectively on the pretreated wastewater, Then the focus of biological treatment, achieved discharge standards;At the same time, through the local process improvement, Not only reduces water consumption, but also improve the reuse water, reduce the wastewater discharge, benefit is obvious.