| RO处理早期垃圾渗滤液中DOM的荧光光谱分析 |
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| 作者姓名： | Zeng XL Han L Ding WC Li ZX Wan P Liu JD |
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| 作者单位： | 重庆大学教育部三峡库区生态环境重点实验室,重庆,400045 |
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| 基金项目： | 重庆市自然科学基金项目(CSTC,2011BB7099)资助 |
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| 摘 要： | 利用荧光检测技术对某垃圾填埋场渗滤液反渗透(RO)膜深度处理时的进水、出水、浓缩液、酸洗液以及酸洗后碱洗液中水溶性有机物(DOM)的组成变化进行了研究。同步荧光光谱显示,预处理后的渗滤液膜进水在波长280,340,370 nm出现三个较强的荧光峰,反渗透膜对此有效拦截,酸洗和碱洗的组合清洗方式有效去除了波长范围在300~420 nm的有机污染物。三维荧光光谱显示,进水含有2个类富里酸和3个类蛋白质荧光峰,RO膜出水仅含有2个类蛋白峰,浓缩液中出现其余3个高强度的荧光峰;酸洗和碱洗对膜上污染物质分子结构影响显著,存在着明显的荧光峰位移。结果表明,RO膜有效拦截了早期渗滤液中的类富里酸,而对膜的污染物除类富里酸外,还有类蛋白成分:主要为低激发类酪氨酸;为膜污染控制提供了理论支持。
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| 关 键 词： | 垃圾渗滤液 反渗透 荧光光谱 水溶性有机物 |
Fluorescence of early stage leachates DOM using RO membrane as tertiary treatment |
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| Zeng XL,Han L,Ding WC,Li ZX,Wan P,Liu JD.Fluorescence of early stage leachates DOM using RO membrane as tertiary treatment[J].Spectroscopy and Spectral Analysis,2011,31(10):2767-2770. |
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| Authors: | Zeng Xiao-Lan Han Le Ding Wen-Chuan Li Zuo-Xin Wan Peng Liu Jian-Dong |
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| Institution: | ZENG Xiao-lan,HAN Le*,DING Wen-chuan,LI Zuo-xin,WAN Peng,LIU Jian-dongKey Laboratory of the Three Gorges Reservoir Region's Eco-Environment,Ministry of Education,Chongqing University,Chongqing 400045,China |
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| Abstract: | In the present study,fluorescence spectra of the dissolved organic matter(DOM) extracted from early stage leachate samples obtained from biologically pretreated leachate fed to RO tertiary treatment,the permeated,the concentrate,and liquids collected after cleaning the membrane with acid and then with base were determined.The results of synchronous fluorescence spectra analysis showed the RO membrane effectively removed the high content of organic matter corresponding to short wavelengths of 280,340,and 370... |
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| Keywords: | Landfill leachate RO Fluorescence DOM |
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