|本期目录/Table of Contents|

[1]王金恒,张凤娥,董良飞.固化剂对土壤中重金属的稳定化效果[J].江苏农业科学,2018,46(06):235-238.
 Wang Jinheng,et al.Effects of curing agents on stabilization of heavy metals in soil[J].Jiangsu Agricultural Sciences,2018,46(06):235-238.
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固化剂对土壤中重金属的稳定化效果(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06期
页码:
235-238
栏目:
资源与环境
出版日期:
2018-03-20

文章信息/Info

Title:
Effects of curing agents on stabilization of heavy metals in soil
作者:
王金恒 张凤娥 董良飞
常州大学环境与安全工程学院,江苏常州 213164
Author(s):
Wang Jinhenget al
关键词:
固化剂土壤重金属磷酸二氢钙硅酸钠碳酸钙固化效率
Keywords:
-
分类号:
X53
DOI:
-
文献标志码:
A
摘要:
通过向重金属污染土壤中分别施加磷酸二氢钙、硅酸钠和碳酸钙,研究固化剂对土壤中Pb、Cu交换态含量和固化效率的影响,并通过X射线衍射仪(X-ray diffraction,简称XRD)和扫描电子显微镜(scanning electron microscopy,SEM)研究其机制。结果表明,(1)磷酸二氢钙可有效降低Pb的交换态含量,对Cu的影响并不明显;硅酸钠对降低Cu的交换态含量有效,对Pb的影响不明显;碳酸钙对降低Pb、Cu的交换态含量均有效。(2)硅酸钠、碳酸钙对降低Pb、Cu的毒性浸出量均有效,磷酸二氢钙对Pb的效果较好,对降低Cu的毒性浸出量效果较差。(3)磷酸二氢钙、硅酸钠和碳酸钙对Pb的固化效率分别达到98.98%、94.23%、90.91%,对Cu的固化效率分别为20.40%、8624%、93.51%。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2016-10-21
基金项目:龙城英才项目(编号:2014150)。
作者简介:王金恒(1993—),男,江苏徐州人,硕士,从事土壤重金属污染治理研究。E-mail:794516115@qq.com。
通信作者:张凤娥,硕士,教授,从事环境修复技术及研究工作。E-mail:00001606@cczu.edu.cn。
更新日期/Last Update: 2018-03-20