微波辐射烟杆水蒸气法制活性炭工艺研究

林产化学与工业 ›› 2003, Vol. 23 ›› Issue (3): 77-80.

微波辐射烟杆水蒸气法制活性炭工艺研究

张利波, 彭金辉, 张世敏, 范兴祥, 郭胜惠

昆明理工大学材料与冶金工程学院, 云南昆明 650093

收稿日期:2002-10-22 修回日期:1900-01-01 出版日期:2003-09-30 发布日期:2003-09-30

STUDY ON TECHNOLOGY OF MANUFACTURING ACTIVATED CARBON FROM TOBACCO STEMS IMPREGNATED WITH ZnCl₂ SOLUTION BY MICROWAVE RADIATION

ZHANG Li-bo, PENG Jin-hui, ZHANG Shi-min, FAN Xing-xiang, GUO Sheng-hui

Faculty of Materials and Metallurgical Engineering, Kunming University of Scienceand Technology, Kunming 650093, China

Received:2002-10-22 Revised:1900-01-01 Online:2003-09-30 Published:2003-09-30

摘要/Abstract

摘要： 采用正交试验法对影响木质活性炭性能的因素如微波辐射的功率、辐射时间、水蒸气流量等进行了系统研究,得到了最佳工艺条件:微波辐射功率700W,辐射时间6min,水蒸气流量为3.09mL/min。利用该工艺条件所制备的木质活性炭产率为20.74%,亚甲基蓝脱色率为160mL/g,碘吸附值为1018.7mg/g。该木质活性炭的微观孔隙呈蜂窝状,并向内部延伸,同时,柱状管壁上也有微细孔,将各柱状管道连为一体。结果表明:微波辐射法制备的活性炭比市售一级活性炭具有更发达的微孔隙结构。

关键词: 微波辐射, 烟杆, 活性炭

Abstract: Factors influencing properties of wooden activated carbon such as microwave radiation power, radiation time and flow rate of water vapor were systematically studied via orthogonal experiments.Optimum technology was obtained as follows:microwave radiation power 700 W, radiation time 6 min and flow rate of water vapor 3.09 mL/min.Results showed:yield of wooden activated carbon 20.74%, decolorization for methylene blue 160 mL/g, iodine adsorption 1018.7 mg/g.Microstructure of the wooden activated carbon resembled the shape of honeycomb, which extends inward.Also many superfine holes are available in the wall as channels to connect them together.Compared with that of the first graded activated carbon in the market, it was found that the activated carbon manufactured by microwave radiation possesses a more developed microporous structure.

Key words: microwave radiation, tobacco stems, activated carbon

中图分类号:

TQ424.1
S572

张利波;彭金辉;张世敏;范兴祥;郭胜惠. 微波辐射烟杆水蒸气法制活性炭工艺研究[J]. 林产化学与工业, 2003, 23(3): 77-80.

ZHANG Li-bo;PENG Jin-hui;ZHANG Shi-min;FAN Xing-xiang;GUO Sheng-hui . STUDY ON TECHNOLOGY OF MANUFACTURING ACTIVATED CARBON FROM TOBACCO STEMS IMPREGNATED WITH ZnCl₂ SOLUTION BY MICROWAVE RADIATION[J]. , 2003, 23(3): 77-80.

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