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再生水地下回灌过程中溶解性有机物的组成结构变化及其特性

郭甜甜 张晗 安文刚 段雨彤 范伟 霍明昕

郭甜甜, 张晗, 安文刚, 段雨彤, 范伟, 霍明昕. 再生水地下回灌过程中溶解性有机物的组成结构变化及其特性[J]. 环境工程, 2020, 38(6): 126-131,107. doi: 10.13205/j.hjgc.202006020
引用本文: 郭甜甜, 张晗, 安文刚, 段雨彤, 范伟, 霍明昕. 再生水地下回灌过程中溶解性有机物的组成结构变化及其特性[J]. 环境工程, 2020, 38(6): 126-131,107. doi: 10.13205/j.hjgc.202006020
GUO Tian-tian, ZHANG Han, AN Wen-gang, DUAN Yu-tong, FAN Wei, HUO Ming-xin. COMPOSITIONAL STRUCTRE CHANGES AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTERS DURING ARTIFICIAL GROUNDWATER RECHARGE WITH RECLAIMED WATER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 126-131,107. doi: 10.13205/j.hjgc.202006020
Citation: GUO Tian-tian, ZHANG Han, AN Wen-gang, DUAN Yu-tong, FAN Wei, HUO Ming-xin. COMPOSITIONAL STRUCTRE CHANGES AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTERS DURING ARTIFICIAL GROUNDWATER RECHARGE WITH RECLAIMED WATER[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 126-131,107. doi: 10.13205/j.hjgc.202006020

再生水地下回灌过程中溶解性有机物的组成结构变化及其特性

doi: 10.13205/j.hjgc.202006020
基金项目: 

国家自然科学基金面上项目(51678121)

国家自然科学基金重点项目(51238001)

中央高校基本科研业务费专项资金资助(2412019ZD004)。

详细信息
    作者简介:

    郭甜甜(1996-),硕士,主要研究方向为再生水地下储存。guott427@nenu.edu.cn

    通讯作者:

    霍明昕(1957-),男,教授,主要研究方向为城市污水再生与储存。nenupapersubmit@126.com

COMPOSITIONAL STRUCTRE CHANGES AND CHARACTERISTICS OF DISSOLVED ORGANIC MATTERS DURING ARTIFICIAL GROUNDWATER RECHARGE WITH RECLAIMED WATER

  • 摘要: 对再生水包气带渗滤过程进行模拟实验,分析此过程中总溶解性有机物(DOM)含量和结构组成的变化规律,并采用IHSS推荐方法提取主要有机物组成进行分析表征。结果表明:经回灌处理后,再生水ρ(COD)由57.90 mg/L(0 h)降低至21.50 mg/L(159 h),去除率达到63%;ρ(DOC)相应由12.40 mg/L降低至7.16 mg/L,去除率达到42%。荧光区域积分计算结果表明,再生水中DOM主要由芳香蛋白类物质和溶解性微生物代谢产物组成,包气带土壤介质中的DOM则主要由腐植酸类物质组成;受土壤DOM淋溶释放影响,实验过程中淋滤出水DOM组成主要以腐植酸类物质为主(占比>0.6)。SEM及EDS分析结果表明,腐植酸表面呈海绵状,主要由C(64.40%)、O(34.25%)元素组成,FTIR分析得出其中含有羟基和羧基等活性官能团,紫外可见光谱呈现单调而无特征性的现象,特征峰值计算显示所提取腐植酸属于大分子范畴。
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  • 收稿日期:  2019-05-20

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