文献类型：期刊文献

中文题名：磷酸活化碱木糖渣制备高吸附性能活性炭

英文题名：Preparation of Activated Carbon from Alkali Xylose Residue by Phosphoric Acid Activation

作者：侯敏[1,2,3,4,5] 邓先伦[1,2,3,4,5] 朱光真[1,2,3,4,5] 孙康[1,2,3,4,5] 郭昊[2,3,4,5] 张燕萍[2,3,4,5] 李萍[2,3,4,5] 梁芳敏[2,3,4,5]

第一作者：侯敏

通信作者：Deng, Xian-Lun

机构：[1]中国林业科学研究院林业新科技研究所;[2]中国林业科学研究院林产化学工业研究所;[3]生物质化学利用国家工程实验室;[4]国家林业局林产化学工程重点开放性实验室;[5]江苏省生物质能源与材料重点实验室

年份：2015

卷号：35

期号：5

起止页码：129-134

中文期刊名：林产化学与工业

外文期刊名：Chemistry and Industry of Forest Products

收录：CSTPCD;;EI(收录号：20154701596424);Scopus(收录号：2-s2.0-84947572858);北大核心:【北大核心2014】；CSCD:【CSCD2015_2016】；

基金：中国林科院林业新技术所基本科研业务费专项资金(CAFINT2013C02)

语种：中文

中文关键词：碱木糖渣;活性炭;制备;吸附性能

外文关键词：alkali xylose residue; activated carbon; preparation; adsorption performance;

分类号：TQ35;TQ424

摘要：以碱木糖渣为原料,磷酸为活化剂,经预处理后活化,制备高吸附性能活性炭。考察了不同条件对活性炭吸附性能的影响,并结合N2吸附-脱附等温线对其孔结构进行表征。结果表明,当浸渍比为2.0∶1,预处理温度和时间分别为270℃和60 min,活化温度和时间分别为400℃和90 min时,制得的活性炭得率为36.36%,亚甲基蓝吸附值360 mg/g,碘吸附值1 142 mg/g,焦糖脱色率120%,比表面积1 850.6 m2/g,总孔容积1.48 cm3/g,中孔孔容0.81 cm3/g,平均孔径3.2 nm。
Activated carbon with high adsorption performance was prepared from alkali xylose residue by phosphoric acid activation after pretreatment. The effect of different conditions on the adsorption properties of activated carbon was studied and the pore structure was characterized by N2adsorption-desorption isotherm. The results showed that the optimum conditions for raw material was pre-activated at 270 ℃ for 60 min and then the activated carbon was prepared at the impregnated ratio 2. 0 ∶ 1（ mass ratio）,activation temperature 400 ℃,and activation duration 90 min. Under these conditions,activated carbon had the yield of36. 36%,methylene blue value 360 mg / g,iodine value 1 142 mg / g,rate of caramel decolorization 120%,specific surface area1 850. 6 m2/ g,total pore volume 1. 48 cm3/ g,mesopores volume 0. 81 cm3/ g and average pore diameter 3. 2 nm.