玉米芯制备高比表面积活性炭的研究

›› 2005, Vol. 25 ›› Issue (1): 66-68.

• 研究报告 • Previous Articles Next Articles

PREPARATION OF ACTIVATED CARBON WITH HIGH SPECIFIC SURFACE AREA FROM CORN COB

CAO Qing^1,2, LÜ Yong-kang¹, BAO Wei-ren¹, XIE Ke-chang¹

1. Key Laboratory of Coal Science and Technology Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China;2. Collegee of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Received:2003-10-07 Revised:1900-01-01 Online:2005-03-30 Published:2005-03-30

Abstract

Abstract: A simple,feasible route for utilizing agricultural waste corn cob to prepare activated carbon of high specific surface area has been studied,using KOH as activating agent.The results show that the formation of micro-pore with high specific surface area can be influenced by many factors such as carbonization temperature,heating rate,activating time and the proportion of m_KOH/m_C,the optimal conditions of which are 850℃ for activating temperature,450-600℃ for carbonization temperature,1.2 h for activating time,3:1-5:1 for m_KOH/m_C when the heating rate is 30℃/min.In addition,the activating way can also obviously affect the specific surface area of the activated carbon.The structure of activated carbon prepared has narrow pore size distribution and nearly no hysteresis phenomenon is observed.

Key words: corn cob, activated carbon, regenerated resource

CLC Number:

CAO Qing;LÜYong-kang;BAO Wei-ren;XIE Ke-chang. PREPARATION OF ACTIVATED CARBON WITH HIGH SPECIFIC SURFACE AREA FROM CORN COB[J]. , 2005, 25(1): 66-68.

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PREPARATION OF ACTIVATED CARBON WITH HIGH SPECIFIC SURFACE AREA FROM CORN COB

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