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林产化学与工业 ›› 2014, Vol. 34 ›› Issue (1): 113-116.doi: 10.3969/j.issn.0253-2417.2014.01.019

• 研究报告 • 上一篇    下一篇

催化活化法制备杉木基超高比表面积颗粒活性炭

朱光真, 邓先伦, 郭昊, 张燕萍   

  1. 中国林业科学研究院 林产化学工业研究所; 生物质化学利用国家工程实验室; 国家林业局 林产 化学工程重点开放性实验室; 江苏省 生物质能源与材料重点实验室, 江苏 南京 210042
  • 收稿日期:2013-01-14 出版日期:2014-02-25 发布日期:2014-03-05
  • 通讯作者: 邓先伦(1956-),男,研究员,硕士生导师,主要从事炭质吸附材料的制备机理与应用研究;E-mail:dengxianlun_483@163.com。 E-mail:dengxianlun_483@163.com
  • 作者简介:朱光真(1985-),男,安徽蚌埠人,硕士,主要从事活性炭的制备与应用研究;E-mail:zhuguangzhen1985@126.com
  • 基金资助:
    公益性行业科研专项(2012104006-5)

Preparation of Granular Activated Carbon from China Fir with Super-high Surface Area by Catalysis Activation

ZHU Guang-zhen, DENG Xian-lun, GUO Hao, ZHANG Yan-ping   

  1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab.for Biomass Chemical Utilization; Key and Open Lab.of Forest Chemical Engineering, SFA; Key Lab.of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
  • Received:2013-01-14 Online:2014-02-25 Published:2014-03-05

摘要: 以杉木屑为原料,在传统磷酸法工艺过程中添加辅助催化剂浓硫酸,制备超高比表面积颗粒活性炭。研究浓硫酸添加量、浸渍时间以及浸渍比对颗粒活性炭比表面积的影响。结果表明,浓硫酸添加量和浸渍时间在磷酸法制备超高比表面积颗粒活性炭中发挥着重要的作用,当浸渍时间为 15 h、浓硫酸添加量为 6 %、浸渍比为2.1:1和浸渍时间为5 h、浓硫酸添加量为3%、浸渍比为2.1:1时,分别制备出比表面积为2 825、2 811 m2/g的颗粒活性炭、总孔容分别为1.60、1.59 cm3/g,丁烷工作容量分别为154.8、157.3 g/L。

关键词: 磷酸, 硫酸, 杉木, 颗粒活性炭, 丁烷工作容量

Abstract: Super-high specific surface area granular activated carbon (GAC) from China fir sawdust was prepared through adding concentrated sulfuric acid in the traditional technology by phosphoric acid activation method. Influences of different dosage of concentrated sulfuric acid, impregnation time and impregnation ratio on specific surface area was studied. The results showed that both of the dosage of concentrated sulfuric acid and impregnation time had great influence on specific surface area of GAC by phosphoric acid method. The GACs prepared under the conditions of impregnation time 15 h, dosage of concentrated sulfuric acid 6 %, impregnation ratio 2.1:1 and impregnation time 5h, dosage of concentrated sulfuric acid 3 %, impregnation ratio 2.1:1 gave the BET surface area of 2 825 and 2 811 m2/g, the total pore volume of 1.60 and 1.59 cm3/g, and butane working capacity (BWC) of 154.8 and 157.3 g/L, respectively.

Key words: phosphoric acid, sulfuric acid, China fir, granular activated carbon, butane working capacity

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