高等学校化学学报 ›› 2010, Vol. 31 ›› Issue (10): 1929.

• 研究论文 • 上一篇    下一篇

KOH活化废弃麻制备活性炭及其结构表征

牛耀岚, 马承愚, 李登新, 李学文   

  1. 东华大学环境科学与工程学院, 上海 201620
  • 收稿日期:2010-03-26 出版日期:2010-10-10 发布日期:2010-10-10
  • 通讯作者: 马承愚, 男, 博士, 副教授, 主要从事超临界流体技术在环境工程中的应用. E-mail: machengyu@dhu.edu.cn
  • 基金资助:

    国家“八六三”计划项目(批准号: 2006AA06Z132)、教育部科学技术研究重点项目(批准号: 107124)、上海市重点学科建设项目(批准号: B604)和教育部生态纺织重点实验室项目(批准号: ECO-KF-2007-10)资助.

Preparation and Characterization of Activated Carbon from Potassium Hydroxide Activated Linen Fabric Waste

NIU Yao-Lan, MA Cheng-Yu*, LI Deng-Xin, LI Xue-Wen   

  1. College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
  • Received:2010-03-26 Online:2010-10-10 Published:2010-10-10
  • Contact: MA Cheng-Yu. E-mail: machengyu@dhu.edu.cn
  • Supported by:

    国家“八六三”计划项目(批准号: 2006AA06Z132)、教育部科学技术研究重点项目(批准号: 107124)、上海市重点学科建设项目(批准号: B604)和教育部生态纺织重点实验室项目(批准号: ECO-KF-2007-10)资助.

摘要: 以日常生活中废弃麻纺品为原料, KOH为活化剂, 采用炭化和活化两步法制备麻质活性炭(LAC). 采用比表面积测定仪在77 K下测定其N2吸附-脱附等温线, 通过Langmuir方程、BET方程和BJH法计算其比表面积、孔体积和孔径分布. 结果表明, 麻质活性炭的BET比表面积为1387.473 m2/g, Langmuir比表面积为1790.573 m2/g, 吸附累积总孔容达0.415 cm3/g; 采用扫描电子显微镜(SEM)、X射线衍射分析仪以及红外光谱仪对麻质活性炭的结构进行了表征, 分析其表面形貌、微观结构及表面化学官能团.

关键词: 活性炭, 废弃麻, 氢氧化钾, 活化

Abstract: In this study, activated carbon was prepared from the linen fabric waste in our daily life using KOH as activator. There were two steps, carbonization and activation in the production of linen-based activated carbon. For prepared activated carbon, a specific surface area and pore size distribution analyzer were employed to determine the N2 adsorption-desorpion at 77 K. The Langmuir equation, BET equation and BJH method were used to calculate the specific surface area, pore volume and pore size distribution. BET specific surface area is 1387.473 m2/g, Langmuir surface area is 1790.573 m2/g and adsorption cumulative pore volume is up to 0.415 cm3/g. The scan electric microscope(SEM), X-ray diffraction(XRD) and FTIR were also used to investigate the morphology, crystallite structure and chemistry structural characteristics of the prepared activated carbon, respectively.

Key words: Activated carbon, Linen fabric waste, Potassium hydroxide, Activation

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