The Adsorption of Cationic Carboxymethyl Starch on Calcium Ions

被引：0
|
作者：
Ye, Chun-hong [1 ]
Dai, Hong-qi [1 ]
Pi, Chen-zhong [1 ]
Wang, Zhong-liang [1 ]
Yuan, Guang-xiang [1 ]
机构：
[1] Nanjing Forestry Univ, Jiangsu Prov Key Lab Pulp & Paper Sci & Technol, Nanjing 210037, Peoples R China
来源：
PROCEEDINGS OF INTERNATIONAL CONFERENCE ON PULPING, PAPERMAKING AND BIOTECHNOLOGY 2008: ICPPB '08, VOL I | 2008年
关键词：
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
The ACS, a modified starch that has 0.57 mol/mol carboxymethyl groups and 0.02 mol/mol cationic groups, was used for removal of calcium from aqueous solution. The ACS has rapid adsorption rate to calcium ions needing only 90 min to reach a state of adsorption equilibrium. The kinetic Curve had only one "plateau", and the equilibrium data have been found to fit both the Langmuir and Freundlich adsorption isotherms. Effect of various operational variables, viz., pH, initial concentration of calcium ion, adsorbent dose and temperature had been studied.
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页码：606 / 611
页数：6
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