| 海藻酸钙／多孔硅复合材料对水中铜离子的吸附性能研究 |
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| 引用本文： | 张盼,李延辉,杜秋菊,刘同浩,王宗花,夏延致. 海藻酸钙／多孔硅复合材料对水中铜离子的吸附性能研究[J]. 青岛大学学报(自然科学版), 2011, 24(1): 42-47. DOI: 10.3969/j.issn.1006-1037.2011.01.011 |
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| 作者姓名： | 张盼 李延辉 杜秋菊 刘同浩 王宗花 夏延致 |
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| 作者单位： | 青岛大学纤维新材料与现代纺织国家重点实验室培育基地,山东,青岛,266071 |
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| 基金项目： | 国家自然科学基金，山东省中青年科学家科研奖励基金，山东省泰山学者奖励项目 |
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| 摘 要： | 对比研究了海藻酸钙／多孔硅复合材料和纯多孔硅对铜离子的吸附作用，考察了溶液初始pH、温度、吸附剂加入量和吸附时间等因素对海藻酸钙／多孔硅复合材料吸附铜离子的影响。结果表明：海藻酸钙／多孔硅复合材料在相同铜离子浓度下的吸附性能优于纯多孔硅，其吸附速率也明显大于纯多孔硅。利用SEM、FTIR、BET等方法分别测定了改性前后多孔硅材料的形貌和物理化学性质。利用Langmuir等温吸附式计算出海藻酸钙／多孔硅复合材料在60℃下和pH为5．0时的铜离子最大吸附量为49．02mg／g。
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| 关 键 词： | 海藻酸钙／多孔硅复合材料 多孔硅 铜离子 冷冻干燥 吸附 |
Adsorption of Copper Ions from Aqueous Solution by Alginate/Porous Silicon Composite Material |
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| ZHANG Pan,LI Yan-hui,DU Qiu-ju,LIU Tong-hao,WANG Zong-hua,XIA Yan-zhi. Adsorption of Copper Ions from Aqueous Solution by Alginate/Porous Silicon Composite Material[J]. Journal of Qingdao University(Natural Science Edition), 2011, 24(1): 42-47. DOI: 10.3969/j.issn.1006-1037.2011.01.011 |
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| Authors: | ZHANG Pan LI Yan-hui DU Qiu-ju LIU Tong-hao WANG Zong-hua XIA Yan-zhi |
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| Affiliation: | ZHANG Pan,LI Yan-hui,DU Qiu-ju,LIU Tong-hao,WANG Zong-hua,XIA Yan-zhi(Institute of Multifunctional Materials,Laboratory of New Fiber Materials and Modern Textile,Growing Basis for State Key Laboratory,Qingdao 266071,China) |
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| Abstract: | The adsorption of Cu2+ by pure porous silicon powders and alginate/porous silicon composite material were studied.The effects of solution initial pH,temperature,mass of adsorbent and adsorption time on the copper sorption by Alginate/porous silicon composite material were investigated.The results show that the adsorption capability of copper by Alginate/porous silicon composite material is superior to that of pure porous silicon powders.The structure and physicochemical properties of the porous silica and a... |
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| Keywords: | Alginate/porous silicon composite material porous silicon copper ions freeze-dried adsorption |
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