提供完整版的各专业毕业设计, 本科毕业设计(论文)题 目: 600m 3 /d 电镀废水处理工艺设计 学 院: 化学工程学院 专 业: 环境工程 班 级: 1002051 学 号: 100205110 学 生 姓名: 指导老师: 职称: 讲师 二○一四 年 五 月 二十 日摘要 本设计用于处理含铬,含氰电镀废水。由于电镀废水的污染日益严重,传统的处理方法效率和效果得不到保证,所以改进电镀废水的处理方案成为了一个越来越重要的问题。为了做到环保并且尽可能减少投资,决定先将废水中的六价铬离子还原成为三价,对氰化物进行破氰处理,而后与综合废水一起进行化学沉淀絮凝,再用活性炭吸附污水中残留的重金属离子,最后废水中的 COD 则实行 MBR 工艺去除,水质达标排放。关键字:电镀废水;化学沉淀;MBR 膜生物反应。Abstact The design used in the treatment of chromium, electroplating wastewater containing cyanide.Because of the electroplating wastewater pollution is serious day by day, the traditional method of efficiency and results can not be guaranteed, so theprocessing scheme of electroplating wastewater is becoming a more and moreimportant problem。In order to achieve environmental protection and to minimizeinvestment , Decided to be six chromium ions in wastewater reduced to trivalent , Treat cyanide,Then together with synthetic wastewater chemical flocculation and sedimentation,Heavy metal ions and activated carbon adsorption in the sewage residue,Finally, COD in wastewater by MBR process to remove,Water quality discharge standards.Keywords:electroplating wastewater;chemical precipitation;MBR1.前言......................................................................................................................................................................................11.1 讨论的目的与意义....................................................................................................................................................11.2 我国电镀废水污染现状.........................................