制革脱毛废水的处理与回用  

Disposal and Reuse of Tannery Unhairing Wastewater

作　　者：汪建根[1] 阎晓[1] 周立哲[1] 张新强[1] 牛涛[1] 彭文利 

机构地区：[1]陕西科技大学资源与环境学院,陕西西安710021 [2]浙江温州轻工研究院,浙江温州325000

出　　处：《皮革科学与工程》2009年第3期63-66,80,共5页Leather Science and Engineering

基　　金：温州市科技计划项目(H20070032)资助

摘　　要：采用各种不同孔径筛网预处理,以膜组件过滤分离脱毛废水中的有机物,分析废水中的Na2S和CaO含量及COD值的变化,以便调整废水成分及含量,使其回用于脱毛过程。结果表明:通过逐级减小过滤装置的过滤孔径可大部分离去除废液中的有机物,所得废液的COD值较稳定,脱毛废液易于调节和循环使用,脱毛质量稳定。The organic materials was filtered and separated with membrane equipment by the pretreatment of different diameter pore screen stenciL And the content of Na2S,CaO and the fluctuation of COD has been measured for adjusting the composition and content of wastewater. At last the wastewater was used in tmharing process. The results indicated that most part of organics could he removed by reducing the size of the filters of equipment gradually. The COD content of wastewater after treatment was stable,, which could be regulated and recycled easily, and the quality of depilation is stable.

关 键 词：脱毛废液 有机物 筛网 膜组件 

分 类 号：X794[环境科学与工程—环境工程]