期刊
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
卷 39, 期 10, 页码 1403-1408出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01932691.2017.1405818
关键词
Cellulose; copper; ion exchange; sulfonating
资金
- Ege University Scientific Research Projects [2017 FEN 078]
Water insoluble sulfonated cellulose was prepared and applied for Cu2+ removal from water. The effects of sorbent dose, initial solution pH, temperature and initial Cu2+ concentration on the removal performance of sulfonated cellulose were investigated. Isothermal data were modeled with the Langmuir and Freundlich isotherm models. The Cu2+ sorption onto sulfonated cellulose followed the Langmuir isotherm model with the maximum sorption capacity of 8.2mg-Cu2+/g. Removal of Cu2+ showed rapid initial kinetics; in 3min removal of Cu2+ reached equilibrium status. Thermodynamic study revealed an exothermic sorption process. In addition, sulfonated cellulose is a kind of green and renewable sorbent because it can be easily regenerated by 0.1M HCl. [GRAPHICS] .
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