三维荧光分析评价腐殖酸高级氧化前处理效果的研究

doi:10.19741/j.issn.1673-4831.2019.0534

生态与农村环境学报 ›› 2020, Vol. 36 ›› Issue (7): 914-920.doi: 10.19741/j.issn.1673-4831.2019.0534

三维荧光分析评价腐殖酸高级氧化前处理效果的研究

刘丹^1,2, 李露², 宋康², 周晓红¹

1. 江苏大学环境与安全工程学院, 江苏镇江 212013;
2. 中国科学院水生生物研究所水环境工程研究中心, 湖北武汉 430072

收稿日期:2019-07-11 出版日期:2020-07-25 发布日期:2020-07-18
通讯作者: 李露, 宋康 E-mail:lilu@ihb.ac.cn;sk@ihb.ac.cn
作者简介:刘丹(1995-),女,贵州毕节人,硕士生,主要从事膜生物反应器处理水与废水方面的研究。E-mail:419949751@qq.com
基金资助:
水体污染控制与治理科技重大专项（2018ZX07208001-03）；中国博士后科学基金第65批面上资助项目（2019M652738）

FEEM Analysis of Fulvic Acid Pretreatment by Advanced Oxidation Processes.

LIU Dan^1,2, LI Lu², SONG Kang², ZHOU Xiao-hong¹

1. School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China;
2. Center for Water Environment Engineering, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China

Received:2019-07-11 Online:2020-07-25 Published:2020-07-18

摘要/Abstract

摘要： 地表水中腐殖酸类物质在常规水处理过程中很难被降解去除，大部分残留组分会在后期加氯消毒过程中产生消毒副产物等对人体有害的物质。选取紫外（UV）辐照、过硫酸根（peroxydisulfate，PDS）和双氧水（H₂O₂）高级氧化过程，对腐殖酸进行部分氧化降解，考察了不同的高级氧化作用对腐殖酸的处理效果。三维荧光光谱（fluorescence excitation emission matrix，FEEM）分析结果表明，UV/PDS共同作用可在10 min内极大程度地去除腐殖质类难降解组分，可减轻腐殖质带来的嗅味与色度问题，并可减少后续消毒处理过程中产生消毒副产物的问题。

关键词: 腐殖酸, 紫外辐照, 过硫酸根, 双氧水, 三维荧光光谱

Abstract: Removing fulvic acid from surface water using conventional drinking water treatments is difficult and generates harmful disinfection byproducts during the disinfection process. In this study, ultraviolet (UV), peroxydisulfate (PDS), and H₂O₂ treatments were applied as advanced oxidation processes (AOP) for degrading fulvic acid. The degradation performances of the different AOPs in treating fulvic acid were compared. The fluorescence excitation emission matrix (FEEM) spectroscopy results indicate that the UV/PDS co-treatment can effectively remove recalcitrant fulvic acid within 10 min, which can reduce the odor and color problems caused by fulvic acid and mitigate disinfection byproduct generation in the follow-up disinfection process.

Key words: fulvic acid, ultraviolet(UV) radiation, peroxydisulfate(PDS), H₂O₂, fluorescence excitation emission matrix (FEEM)

中图分类号:

X52
TU991.2

刘丹, 李露, 宋康, 周晓红. 三维荧光分析评价腐殖酸高级氧化前处理效果的研究[J]. 生态与农村环境学报, 2020, 36(7): 914-920.

LIU Dan, LI Lu, SONG Kang, ZHOU Xiao-hong. FEEM Analysis of Fulvic Acid Pretreatment by Advanced Oxidation Processes.[J]. Journal of Ecology and Rural Environment, 2020, 36(7): 914-920.

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三维荧光分析评价腐殖酸高级氧化前处理效果的研究

FEEM Analysis of Fulvic Acid Pretreatment by Advanced Oxidation Processes.

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