Preparation of activated carbon of lignin from straw pulping by chemical activation using potassium carbonate

摘要：

Activated carbons were prepared through chemical activation of lignin from straw pulping precursor using potassium carbonate as the chemical agent. Effects of activated temperature, K2CO3 /lignin ratio and the activated time on the yield, Iodine number of activated carbon were investigated. Experimental results indicated that the optimum conditions were as follow: activated temperature 800 , ℃ K3CO3 (40% concentration) /lignin ratio 5: l, activated time 50min. These conditions allowed us to obtain a BET surface area of 1104 m2/g, including the external or non-microporous surface of 417 m2/g，Amount of methylene blue adsorption, Iodine number and the yield of activated carbon prepared under optimum conditions were 10.6mL/0.lg,1310 mg/g and 19.75%, respectively.

作者: XiaoJuan Jin zhiming yu GaoJiang yan Wu Yu

作者单位: School of Material Science and Technology, Beijing Forestry University, 35 Qinghua East road, Haidian, 100083, Beijing, China

会议类型: 国际会议

会议名称: The 6th International Conference on Physical and Numerical Simulation of Materials Processing(第六届材料与热加工物理模拟及数值模拟国际学术会议 ICPNS 2010)

会议地点: 桂林

会议语种:英文

页码: 1-6

在线出版日期: 2010-11-16（万方平台首次上网日期，不代表论文的发表时间）