高比表面积竹质活性炭的制备与性能研究

›› 2010, Vol. 30 ›› Issue (5): 57-60.

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Preparation and Properties of Bamboo-based Activated Carbon with High Specific Surface Area

CUI Dan-dan, JIANG Jian-chun, SUN Kang, LU Xin-cheng

Institute of Chemical Industry of Forest Products, CAF;National Engineering Lab.for Biomass Chemical Utilization;Key and Open Lab.on Forest Chemical Engineering, SFA;Key Lab.of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China

Received:2009-12-30 Revised:1900-01-01 Online:2010-10-30 Published:2010-10-30

Abstract

Abstract: Activated carbon was prepared from bamboo origin by phosphoric acid activation. The effects of different factors such as impregnation ratio, activation temperature, activation time, heating rate on adsorption properties of bamboo activated carbon were studied. The high adsorption capacity of bamboo-based activated carbon with methylene blue adsorption capacity upto 200 mL/g, caramel decolorization rate upto 120% was obtained. Results showing the optimum conditions are: impregnation ratio 3:1(g:g), activation temperature 400℃, heating rate 10℃/min and activation time 40 min. The bamboo-based activated carbons were characterized by SEM and N₂ adsorption analysis, indicating that the bamboo-based activated carbon has high BET surface area (2103 m²/g) and developed pore structure.

Key words: activated carbon, bamboo, phosphoric acid activation, high surface area

CLC Number:

TQ424

CUI Dan-dan;JIANG Jian-chun;SUN Kang;LU Xin-cheng. Preparation and Properties of Bamboo-based Activated Carbon with High Specific Surface Area[J]. , 2010, 30(5): 57-60.

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Preparation and Properties of Bamboo-based Activated Carbon with High Specific Surface Area

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