[1]方卢秋,李俊霖,蒋冠琼.代森铵对重金属铅镉在三峡库区消落带土壤中吸附-解吸的影响[J].江西师范大学学报(自然科学版),2016,40(04):424-428.
 FANG Luqiu,LI Junlin,JIANG Guanqiong.The Effects of Heavy Metal Pb2+and Cd2+Adsorption-Desorption Used Pesticide Amobam in Soil of the Water-Level-Fluctuating Zone of Three Gorges Reservoir[J].,2016,40(04):424-428.
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代森铵对重金属铅镉在三峡库区消落带土壤中吸附-解吸的影响()
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《江西师范大学学报》(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2016年04期
页码:
424-428
栏目:
出版日期:
2016-09-01

文章信息/Info

Title:
The Effects of Heavy Metal Pb2+and Cd2+Adsorption-Desorption Used Pesticide Amobam in Soil of the Water-Level-Fluctuating Zone of Three Gorges Reservoir
作者:
方卢秋李俊霖蒋冠琼
1.长江师范学院化学化工学院,重庆 涪陵 408100; 2.重庆市彭水县环境监测站,重庆 彭水 409600
Author(s):
FANG LuqiuLI JunlinJIANG Guanqiong
1.College of Chemistry and Chemical Engineering,Yangtze Normal University,Fuling Chongqing 408100,China; 2.Environmental Monitoring Station of Pengshui County in Chongqing,Pengshui Chongqing 409600,China
关键词:
三峡库区 消落带 土壤 重金属铅镉离子 代森铵 吸附 解吸
Keywords:
three-gorge reservoir water-level-fluctuating zone soil heavy metal lead and cadmium ions amobam adsorption desorption
分类号:
X 53
文献标志码:
A
摘要:
为掌握农药代森铵存在时,三峡库区消落带土壤吸附-解吸铅镉离子的行为,采用振荡平衡法,研究了代森类农药种类、代森铵浓度、重金属离子浓度、电解质离子强度的影响.结果表明:常见代森类农药能提高土壤铅离子的吸附量,增强吸附顺序是代森锰锌>代森铵>代森锌; 农药种类能减少土壤对镉离子的吸附量,抑制吸附顺序是代森锌>代森铵>代森锰锌; 代森类农药能促进土壤解吸铅镉离子.土壤对铅离子的吸附量随代森铵浓度增加呈现先增加后减少,土壤对镉离子的吸附量随代森铵浓度增加而有所增加; 土壤对铅离子的解吸量随着代森铵浓度增加而降低,镉离子的解吸量反而增加.代森铵存在时,土壤对铅镉离子的吸附量和解吸量随铅镉离子浓度的增加而增加; 土壤对铅离子的吸附量随着电解质离子强度增加而降低,土壤对镉离子的吸附量正好相反,增加电解质离子强度,土壤对铅镉离子的解吸量逐渐增加.
Abstract:
To make clear the soil adsorption and desorption behavior of lead and cadmium ions when the existing amobam in Three Gorges reservoir.The effects of kinds of dithane pesticide,concentration of amobam,concentration of heavy metal ions,ionic strength of electrolyte were studied by oscillating balance method.The results showed that,the most common dithane pesticides can improve the adsorption capacity of lead ion in soil,the order of enhanced adsorption is mancozeb>amobam>zineb.The kinds of dithane pesticide can reduce the adsorption capacity of cadmium ion in soil,the order of inhibited adsorption is zineb>amobam>mancozeb,dithane pesticide can promote desorption of lead and cadmium ions in soil.Adsorption capacity of lead ion increased firstly and then decreased with the increasing concentration of amobam in soil,the adsorption amount of cadmium ion increased with the increasing concentration of amobam in soil,The soil lead ion of desorption capacity decreased with the increase of amobam concentration,the desorption amount of cadmium ion increases.The presence of amobam,The adsorption and desorption capacity of lead and cadmium ions in soil increased with the increase of lead and cadmium ions concentration,The adsorption capacity of lead ion in soil decreased with the increase of the ionic strength of electrolyte,and the adsorption amount of cadmium ion in soil was just the opposite,desorption capacity of soil lead and cadmium ions increased gradually with increasing the ionic strength of electrolyte.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-11-20基金项目:重庆市教育委员会科学技术研究(KJ111312)和重庆市涪陵区科技计划(FLKJ 2013ABB2097)资助项目.作者简介:方卢秋(1965-),男,四川遂宁人,教授,主要从事化学发光分析与应用、环境监测与污染控制研究.
更新日期/Last Update: 1900-01-01