|本期目录/Table of Contents|

[1]于兵,门明新,刘霈珈,等.有机酸对重金属污染土壤的淋洗效果[J].江苏农业科学,2018,46(13):284-287.
 Yu Bing,et al.Leaching effect of organic acids on heavy metal contaminated soil[J].Jiangsu Agricultural Sciences,2018,46(13):284-287.
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有机酸对重金属污染土壤的淋洗效果(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第13期
页码:
284-287
栏目:
资源与环境
出版日期:
2018-07-05

文章信息/Info

Title:
Leaching effect of organic acids on heavy metal contaminated soil
作者:
于兵1 门明新2 刘霈珈1 吴克宁1
1.中国地质大学土地科学技术学院,北京 100083; 2.河北农业大学国土资源学院,河北保定 071000
Author(s):
Yu Binget al
关键词:
土壤重金属污染有机酸淋洗修复作用电导率
Keywords:
-
分类号:
S153;X53
DOI:
-
文献标志码:
A
摘要:
随着土壤重金属污染日趋严重,修复已成为热点问题,研究土壤重金属污染修复效果具有重要意义。用水、醋酸溶液、柠檬酸溶液对重金属污染土壤进行淋洗,再以2%石灰水溶液来调节淋洗后土壤的pH值,最后测定土壤淋洗液的pH值及电导率。结果表明:对重金属Cu、Cd、Pb污染土壤修复时,最佳淋洗剂是柠檬酸溶液,最佳淋洗浓度为1、0.4、0.7 mol/L;对重金属Zn污染土壤修复时,最佳淋洗剂是醋酸溶液,最佳淋洗浓度为1 mol/L;石灰水对重金属污染的土壤淋洗效果与有机酸浓度呈正相关,即酸性条件越强,对重金属的淋洗效果越好;经石灰水处理的土样电导率随有机酸浓度增加而升高,在相同浓度下表现为柠檬酸溶液>醋酸溶液。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2017-09-18
基金项目:国土资源部公益性行业科研专项(编号:201511082-02)。
作者简介:于兵(1994—),女,河北沧州人,硕士研究生,主要从事土地资源评价与利用规划研究。E-mail:yubing921@sina.cn。
通信作者:吴克宁,博士,博士生导师,主要从事土地资源评价与利用规划研究。E-mail:wukening@cugb.edu.cn。
更新日期/Last Update: 2018-07-05