Fered-Fenton法处理石化废水反渗透浓水

被引：23

作者：

范冬琪 ^{[1
,2
]}

魏健 ^{[2
,3
]}

宋永会 ^{[2
,3
]}

曾萍 ^{[2
,3
]}

崔晓宇 ^{[1
,2
,3
]}

徐东耀 ^{[1
]}

机构：

[1] 中国矿业大学(北京)化学与环境工程学院

[2] 中国环境科学研究院城市水环境科技创新基地

[3] 中国环境科学研究院环境基准与风险评估国家重点实验室

来源：

环境工程学报 | 2015年 / 9卷 / 06期

关键词：

反渗透浓水; Fered-Fenton; 可生化性; 三维荧光光谱;

D O I：

暂无

中图分类号：

X703 [废水的处理与利用]; X74 [石油、天然气工业废物处理与综合利用];

学科分类号：

083001 [环境科学];

摘要：

以Ti金属网为阴极、Ti负载Ru O2金属网为阳极,构建Fered-Fenton反应系统,处理石化废水反渗透膜法浓水。考察H2O2浓度、Fe2+浓度、初始p H值和电流密度等因素对废水处理效果的影响,并分析了废水可生化性及污染物降解规律。结果表明,在H2O2浓度为75.0 mmol/L,Fe2+浓度为7.5 mmol/L,初始p H值为3.0,电流密度为5.1 m A/cm2的条件下,反应120 min后废水TOC可由198.2 mg/L降到99.6 mg/L,有机污染物矿化率达到49.7%,BOD5/COD由0.11提高至0.31,废水可生化性明显改善。三维荧光光谱(EEM)分析结果表明,Fered-Fenton法对废水中类蛋白、类富里酸等荧光有机物去除率达到66.7%,该类大分子难降解有机物的氧化降解有利于改善废水可生化性,为进一步的生化处理创造了良好的条件。

引用

页码：2653 / 2659

页数：7

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