Effects of Urea on Adsorption of Metsulfuron-methyl by Three Kinds of Minerals

被引：0

作者：

Ye, Fabing ^{[1
]}

Huang, Chunbao ^{[2
]}

Xiong, Xujie ^{[2
]}

Dong, Yuanyan ^{[3
]}

机构：

[1] Huanggang Normal Univ, Sch Chem Engn, Huanggang 438000, Peoples R China

[2] Key Lab Econ Germplasm Modificat & prod comprehen, Huanggang 438000, Peoples R China

[3] Huazhong Agr Univ, Dept Chem, Wuhan 430070, Peoples R China

来源：

PROGRESS IN ENVIRONMENTAL PROTECTION AND PROCESSING OF RESOURCE, PTS 1-4 | 2013年 / 295-298卷

关键词：

metsulfuron-methyl; adsorption; urea; mimerals;

D O I：

10.4028/www.scientific.net/AMM.295-298.54

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Adsorption of metsulfuron-methyl by kaolinite, goethite, amorphous alumina and the effects of urea on the adsorption were examined with equilibrium adsorption method. Results indicated that the adsorption was in accordance with Langmuir equation, with the maximum absorbing capacities ranking as amorphous alumina (2150 mu g.g(-1)), goethite (729.4 mu g.g(-1)) kaolinite (529.1 mu g.g(-1)). When urea was used in the adsorption system, the absorbing capacities of goethite and amorphous alumina to metsulfuron-methyl decreased whatever the addition order of urea and metsulfuron-methyl was. However, when urea was added before or simultaneously with metsulfuron-methyl in suspension of kaolinite, the adsorption quantity of metsulfuron-methyl was increased.

引用

页码：54 / +

页数：2

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