应用化学2013，Vol.30Issue(9)：1017-1022,6.DOI:10.3724/SP.J.1095.2013.20492
KOH活化木屑生物炭制备活性炭及其表征
Preparation and Characteristic of Activated Carbon from Sawdust Bio-char by Chemical Activation with KOH
摘要
Abstract
The activated carbon was prepared from pyrolysis bio-char of sawdust by chemical activation with KOH.The influences of the mass ratio of alkali to carbon,activation temperature and hold time toward the methylene blue adsorption on activated carbon were investigated.After this,the structure and properties of raw materials and activated carbon were characterized by nitrogen adsorption,XRD and FTIR spectroscopies.The results show that the methylene blue adsorption on activated carbon reaches to 255 mg/g at an alkali to carbon mass ratio of 1.5,an activation temperature of 750 ℃ and a hold time of 2 h.The activated carbon possesses a large apparent surface area(SBET =1514 m2/g) and high adsorption pore volume(V=0.821 cm3/g) with average pore size diameter of 2.170 nm.关键词
生物质炭/化学活化/活性炭Key words
bio-char/ chemical activation/ activated carbon分类
化学化工引用本文复制引用
余峻峰,陈培荣,俞志敏,彭书传,巫杨..KOH活化木屑生物炭制备活性炭及其表征[J].应用化学,2013,30(9):1017-1022,6.基金项目
安徽省科技攻关项目(11010402088) （11010402088）
安徽省教育厅重点科研项目(KJ2012Z104) （KJ2012Z104）
合肥学院人才科研基金项目(13RC05) （13RC05）
