| 竹炭改性泡沫炭材料制备及铜离子吸附性能研究 |
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| 引用本文： | 罗炳程,吴小文,田娜.竹炭改性泡沫炭材料制备及铜离子吸附性能研究[J].炭素技术,2011,30(4):22-26. |
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| 作者姓名： | 罗炳程 吴小文 田娜 |
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| 作者单位： | 中国地质大学(北京)材料科学与工程学院,北京,100083 |
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| 基金项目： | 中国地质大学(北京)基本科研业务费专项资金资助项目(No.2011YYL007); 学院第一届“材料杯”学生课外科技项目资助(No.51210203) |
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| 摘 要： | 以酚醛树脂为基体前躯体,竹炭为添加剂,通过发泡、固化及炭化工艺制备出竹炭改性酚醛树脂基泡沫炭材料,研究了其对Cu2+的吸附性能,探究了竹炭含量、吸附时间和溶液pH值对泡沫炭材料吸附Cu2+效果的影响。结果表明:在竹炭含量为7%~10%、吸附时间45 min、溶液pH值为9的条件下,Cu2+的吸附效果最好,并且从微观结构上解释了其对Cu2+吸附能力曲线的变化趋势,解决了泡沫炭因孔径大而难以吸附重金属离子的问题,降低了制备成本,扩大了泡沫炭材料的应用范围。
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| 关 键 词： | 泡沫炭 竹炭 吸附 铜离子 |
Preparation and absorption properties of bamboo charcoal modified carbon foams for copper ions |
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| LUO Bing-cheng,WU Xiao-wen,TIAN Na.Preparation and absorption properties of bamboo charcoal modified carbon foams for copper ions[J].Carbon Techniques,2011,30(4):22-26. |
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| Authors: | LUO Bing-cheng WU Xiao-wen TIAN Na |
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| Affiliation: | LUO Bing-cheng,WU Xiao-wen,TIAN Na(School of Materials Science and Technology,China University of Geosciences,Beijing 100083,China) |
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| Abstract: | Carbon foams is a new carbon materials with a wide range of applications,which has been received a lot of interests in recent years.In this study,bamboo charcoal modified carbon foams with phenolic resin as matrix precursor have been prepared by chemical foaming method and followed by curing and carbonization processes.The influences of the percentage of bamboo charcoal,absorption time and pH value on the absorption properties of the modified carbon foams for copper ions have been investigated.The results s... |
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| Keywords: | Carbon foams bamboo charcoal absorption copper ions |
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