岩矿测试2011，Vol.30Issue(4)：451-456,6.
凹凸棒石用于修复铜锌镉重金属污染土壤的研究
Remediation Experiments of Attapulgite Clay to Heavy Metal Contaminated Soil
摘要
Abstract
In order to reduce the heavy metals in vegetables, the excellent physical and chemical abilities of attapulgite clay were applied to potting remediation experiments on heavy metal contaminated topsoil sampled from Tongling city, Anhui province. The proportions of attapulgite clay to contaminated topsoil were 1 : 10,1:20,1:40,1: 100 plus one sample containing only contaminated topsoil. The small Chinese cabbage and Beijing fast cabbage were chosen as the test plants. The potting remediation experimental results indicate that the Ph of the potting soil improved from 5 to 8, therefore improving the condition of the soil and increasing the adsorbability of attapulgite clay for heavy metals. Adding different amounts of attapulgite clay to these two kinds of vegetables, the average repair rates of Cu, Zn and Cd were 31.50% , 26. 15% and 34. 92% , respectively. The best proportion of the attapulgite and topsoil is 1 : 20 which provides optimum results for improvement to contaminated topsoil.关键词
重金属/土壤修复/铜陵/凹凸棒石Key words
heavy metal/ soil remediation/ Tongling/ attapulgite clay引用本文复制引用
谭科艳,刘晓端,刘久臣,汤奇峰,黄园英,罗松光..凹凸棒石用于修复铜锌镉重金属污染土壤的研究[J].岩矿测试,2011,30(4):451-456,6.基金项目
国土资源部公益性行业科研专项(200911015-05) （200911015-05）
国家地质实验测试中心基本科研业务费项目(2009CSJ07) （2009CSJ07）
中国地质调查局地质调查工作项目(1212011120286) （1212011120286）
