铁炭微电解-Fenton试剂预处理纤维素发酵废水  

Pretreatment of cellulose zymolytic wastewater by iron-carbon microelectrolysis-Fenton reagent

作　　者：朱振兴[1] 颜涌捷[1] 亓伟[1] 章冬霞[1] 

机构地区：[1]华东理工大学生物质能源研究中心,上海200237

出　　处：《工业用水与废水》2009年第2期27-30,共4页Industrial Water & Wastewater

基　　金：上海市科委世博专项(05dz05828)

摘　　要：采用铁炭微电解-Fenton试剂对高化学需氧量、高色度及高盐度的纤维素发酵废水进行了预处理研究。研究表明,铁炭微电解的最佳工艺条件为pH值为4～5,铁屑用量150 g/L,铁炭质量比为1∶2,反应时间1 h,曝气量30 mL/min;Fenton反应最佳条件为:pH值为5,H2O2投加量为4.5 mL/L,反应时间60 min,在此反应条件下,废水COD总去除率接近40%,色度去除率达81%,有效地去除了废水中影响乙醇发酵的4种抑制剂,改善了后续生化处理条件,提高了废水的可生化性。Iron-carbon microelectrolysis-Fenton reagent was used to pretreat cellulose zymolytic wastewater with high COD, chroma and salinity. The results showed that, for the iron-carbon microelectrolysis process, the optimal condition was： the pH value was 4-5, the dosage of scrap iron was 150 g/L, the mass ratio of iron to carbon was 1：2, the reaction time was 1h, the aeration amount was 30 mL/min; for the Fenton reaction, the optimal condition was： the pH value was 5, the H2O2 dosage was 4.5 mL/L, the reaction time was 60 min. Under the above conditions, the total removal rate of COD and chroma reached 40% and 81% respectively, at the same time, the 4 kinds of inhibitors affecting the zymolysis of ethanol were removed effectively, the condition for the subsequent biochemical treatment and the biodegradability of the wastewater were both imoroved.

关 键 词：铁炭微电解 FENTON试剂 抑制剂 纤维素发酵废水 

分 类 号：X797.031[环境科学与工程—环境工程]