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材料导报  2022, Vol. 36 Issue (Z1): 22030103-6    
  无机非金属及其复合材料 |
银/尿素改性竹质活性炭的制备及甲醛净化与抗菌性能
李世杰, 王智辉, 代琳心, 李振瑞, 王佳军, 马建锋, 刘杏娥
国际竹藤中心竹藤科学与技术重点实验室,北京 100102
Preparation of Silver/Urea Modified Bamboo Activated Carbon and Formaldehyde Purification and Antibacterial Properties
LI Shijie, WANG Zhihui, DAI Linxin, LI Zhenrui, WANG Jiajun, MA Jianfeng, LIU Xing'e
Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, Beijing 100102, China
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摘要 为了获得兼具甲醛净化和抗菌性能的环境治理材料,本工作采用尿素室温浸渍结合葡萄糖原位还原法制备了载银尿素改性竹质活性炭,考察了银负载量对复合材料的形貌、表面官能团、孔结构、甲醛去除效率及抗菌性能的影响。结果表明:负载银后,竹质活性炭的多孔结构仍然保留,比表面积和总孔容有所下降;相对于原竹质活性炭,甲醛浓度为220 mg/m3的静态条件下,复合材料对甲醛的去除率提高了73%,动态条件下,复合材料对甲醛的去除有效使用时间延长了27倍;对大肠杆菌和金黄色葡萄球菌的抑菌圈直径分别可达5.5 mm和6.5 mm,具有较好的抗菌性能。本工作为开发一剂多效的高附加值竹质活性炭材料提供了有效途径。
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李世杰
王智辉
代琳心
李振瑞
王佳军
马建锋
刘杏娥
关键词:  竹质活性炭    尿素改性  甲醛  抗菌性    
Abstract: In order to obtain environmental treatment materials with formaldehyde purification and antibacterial properties, the urea modified bamboo activated carbon with silver loaded was synthesized by urea impregnation at room temperature combined with glucose in-situ reduction method in this work. The effects of silver loading on the morphology, surface functional groups, pore structure, formaldehyde removal efficiency and antibacterial properties of the composite were investigated. The results showed that the porous structures of bamboo activated carbon were remained, but the specific surface area and total pore volume decreased after loading silver. Compared to raw bamboo activated carbon, when formaldehyde concentration was 220 mg/m3, the removal rate of formaldehyde by the composite increased by 73%. Under dynamic conditions, the effective removal time of formaldehyde was extended by 27 times. The diameters of the inhibition zone to Escherichia coli and Staphylococcus aureus were 5.5 mm and 6.5 mm, respectively, which showed good antibacterial properties. This work provides an effective way to develop a multi-effect high-value-added bamboo activated carbon material.
Key words:  bamboo activated carbon    silver    urea modified    formaldehyde    antibacterial property
出版日期:  2022-06-05      发布日期:  2022-06-08
ZTFLH:  TG1  
基金资助: 国际竹藤中心基本业务费项目(1632021001)
通讯作者:  liuxinge@icbr.ac.cn   
作者简介:  李世杰,2019年6月毕业于福建农林大学,获得工学学士学位。现为国际竹藤中心硕士研究生,在刘杏娥教授的指导下进行研究。目前主要研究领域为生物质基功能性炭材料。
刘杏娥,博士,研究员,博士研究生导师。主要从事竹藤材结构与性能、竹藤等生物质基炭材料方面的研究工作。主持和参加了国家级、省部级科研课题多项,在Wood and Fiber Science、Holzforschung、Carbohydrates Polymer和Electrochimica Acta等多种刊物发表论文40余篇,参与编写专著3部,获“梁希”林业科学技术奖一等奖、二等奖及茅以升木材科学技术奖各1项,入选“国家林业和草原局百千万人才工程”第五批人选和国家林业局“全国生态建设突出贡献先进个人”。
引用本文:    
李世杰, 王智辉, 代琳心, 李振瑞, 王佳军, 马建锋, 刘杏娥. 银/尿素改性竹质活性炭的制备及甲醛净化与抗菌性能[J]. 材料导报, 2022, 36(Z1): 22030103-6.
LI Shijie, WANG Zhihui, DAI Linxin, LI Zhenrui, WANG Jiajun, MA Jianfeng, LIU Xing'e. Preparation of Silver/Urea Modified Bamboo Activated Carbon and Formaldehyde Purification and Antibacterial Properties. Materials Reports, 2022, 36(Z1): 22030103-6.
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http://www.mater-rep.com/CN/  或          http://www.mater-rep.com/CN/Y2022/V36/IZ1/22030103
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