[1]刘春骁,李云琴,周真明,等.复合型高锰酸钾缓释体原位修复土壤中三氯乙烯的中试实验[J].华侨大学学报(自然科学版),2017,38(4):457-463.[doi:10.11830/ISSN.1000-5013.201704004]
　LIU Chunxiao,LI Yunqin,ZHOU Zhenming,et al.Pilot-Scale In-Situ Remediation of TCE in Soil by Controlled-Release Potassium Permanganate Composites[J].Journal of Huaqiao University(Natural Science),2017,38(4):457-463.[doi:10.11830/ISSN.1000-5013.201704004]
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复合型高锰酸钾缓释体原位修复土壤中三氯乙烯的中试实验()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第38卷
期数:
2017年第4期
页码:
457-463
栏目:
出版日期:
2017-07-10

文章信息/Info

Title:
Pilot-Scale In-Situ Remediation of TCE in Soil by Controlled-Release Potassium Permanganate Composites
文章编号:
1000-5013(2017)04-0457-07
作者:
刘春骁1; 2;  李云琴3;  周真明1; 2;  李飞1; 2;  邹景1; 2;  苑宝玲1; 2
1. 华侨大学 土木工程学院, 福建 厦门 361021;2. 华侨大学 市政与环境工程研究所, 福建 厦门 361021;3. 福州大学 环境与资源学院, 福建 福州 350108
Author(s):
LIU Chunxiao1; 2;  LI Yunqin3;  ZHOU Zhenming1; 2;  LI Fei1; 2;  ZOU Jing1; 2;  YUAN Baoling1; 2
1. College of Civil Engineering, Huaqiao University, Xiamen 361021, China; 2. Institute of Municiple and Environmental Engineering, Huaqiao University, Xiamen 361021, China; 3. College of Environmental Engineering, Fuzhou University, Fuzhou 350108, China
关键词:
三氯乙烯;  高锰酸钾;  渗透反应墙;  氯代烃;  控制释放;  土壤
Keywords:
trichloroethylene;  potassium permanganate;  permeable reaction barrier;  chlorinate hydrocarbon;  controlled release;  soil
分类号:
X524
DOI:
10.11830/ISSN.1000-5013.201704004
文献标志码:
A
摘要:
采用熔化成型法,以环境友好型材料石蜡和硅砂为复合材料制备复合型高锰酸钾缓释体(CRPCs).将制备的缓释体用于渗透反应墙(PRB),通过小型砂槽实验比较缓释体在反应墙中横向、竖直放置对高锰酸钾传质的影响;通过中试砂槽实验研究在连续进水条件下,缓释体在平行于水流和垂直于水流方向上对三氯乙烯(TCE)的去除效果.结果表明:横向放置比垂直放置更有利于复合型高锰酸钾缓释体中活性组分在土壤中的均匀传质;在横向放置渗透反应器中,平行水流对TCE的去除效果稍好于垂直水流,但不论是平行水流还是垂直水流放置,最终出水均未检出TCE.通过25 d的连续进水实验发现:各取样点的去除效果均维持在高去除率,说明复合型高锰酸钾缓释剂可有效地去除土壤中的TCE污染.
Abstract:
The controlled-release potassium permanganate composites(CRPCs)mixed with paraffin and silica sand were prepared by melting and cooling method. CRPCs were used in permeable reactive barrier(PRB)and the emplace ways of CRPCs in permeable reactive barrier were compared. The experimental results show: CRPCs in horizontal placement could facilitate KMnO4 transportation more evenly than those in vertical placement. In PRB with horizontal placement of CRPCs, trichloroethylene(TCE)is degraded more effectively in horizontal influent than that in vertical influent, however TCE in effluent doesn’t detected in both horizontal and vertical influent. After running 25 days, TCE removal efficiency > 99%, which indicates that CRPCs obtained by this method could be applied in the remediation of TCE contamination in soil with easy operation and low cost.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2017-02-16
通信作者: 苑宝玲(1973-),女,教授,博士,主要从事水污染控制新技术的研究.E-mail:blyuan@hqu.edu.cn.
基金项目: 国家自然科学基金面上资助项目(51678255); 福建省科技计划对外合作重点资助项目(2014I0013)
更新日期/Last Update: 2017-07-20