华南理工大学学报(自然科学版) ›› 2006, Vol. 34 ›› Issue (3): 63-66.

• 化学化工、能源 • 上一篇    下一篇

K2CO3活化法制备椰壳活性炭

张会平1 肖新颜1 杨立春2   

  1. 1.华南理工大学 化工与能源学院,广东 广州 510640;2.华映光电股份有限公司,福建 福州 350015
  • 收稿日期:2005-04-30 出版日期:2006-03-25 发布日期:2006-03-25
  • 通信作者: 张会平(1964-),男,博士,教授,主要从事活性炭吸附与催化、吸附分离、水处理技术、精细化工的研究. E-mail:hpzhang@scut.edu.cn
  • 作者简介:张会平(1964-),男,博士,教授,主要从事活性炭吸附与催化、吸附分离、水处理技术、精细化工的研究.

Preparation of Activated Carbon from Carbonized Coconut Shell by K2CO3 Chemical Activation

Zhang Hui-pingXiao Xin-yanYang Li-chun2   

  1. 1.College of Chemical and Energy Engineering,South China Univ.of Tech.,Guangzhou 510640,Guangdong,China;2.C F Optronics Co.Ltd.,Fuzhou 350015,Fujian,China
  • Received:2005-04-30 Online:2006-03-25 Published:2006-03-25
  • Contact: 张会平(1964-),男,博士,教授,主要从事活性炭吸附与催化、吸附分离、水处理技术、精细化工的研究. E-mail:hpzhang@scut.edu.cn
  • About author:张会平(1964-),男,博士,教授,主要从事活性炭吸附与催化、吸附分离、水处理技术、精细化工的研究.

摘要: 以椰壳炭化料为原料,采用K2CO3活化法在不同操作条件下制备椰壳活性炭,探讨了K2CO3 活化实验中K2CO3与炭化料质量比、活化时间和活化温度对活性炭得率、活性炭亚甲蓝吸附值和苯酚吸附值的影响.实验结果表明,K2CO3与炭化料质量比和活化温度是K2CO3活化法制备椰壳活性炭最重要的影响因素.综合考虑活性炭的得率和活性炭吸附性能受活化操作参数的影响规律,探讨了K2CO3活化法制备椰壳活性炭的最优操作参数,得到了实验范围内的最佳5-.艺条件为K2CO3与炭化料的质量比为2:1,活化温度为800 ℃左右,活化时间为120min.

关键词: 椰壳, 活性炭, 制备, 活化, 吸附, 碳酸钾

Abstract:

Activated carbons were prepared from carbonized coconut shell by the K2CO3 chemical activation in different operating conditions.The effects of agent/carbon ratio,activation temperature and time on the yields,the meth) lene blue adsorption and the phenol adsorption of activated carbons were then experimentally investigated.The results show that the mass ratio of agent to carbon and the activation temperature are the most important factors
to influence the preparation of activated carbons.Considering the effects of activation parameters on the yield and adsorption properties of activated carbons in experimental conditions,the optimal operating condition is:2:1 of the mass ratio of agent to carbon,800 ℃ of activation temperature and 120 min of activation time.

Key words: coconut shell, activated carbon, preparation, activation, adsorption, potassium carbonate