煤-生物质活性炭的制备研究  

Research on the preparation of coal-biomassbased activated carbon

作　　者：姚承 王菲[1] 陈诺 张路遥 陈曦[3] YAO Cheng;WANG Fei;CHEN Nuo;ZHANG Lu-yao;CHEN Xi(School of Chemistry and Chemical Engineering Nanjing University of Science and Technology Nanjing 210094,China;Gansu Yinguang Chemical Industry Group Co.,Ltd.,Baiyin 730900,China;School of New Energy,Nanjing University of Science and Technology,Nanjing 210094,China)

机构地区：[1]南京理工大学化学与化工学院,江苏南京210094 [2]甘肃银光化学工业集团有限公司,甘肃白银730900 [3]南京理工大学新能源学院,江苏南京210094

出　　处：《应用化工》2023年第4期999-1004,共6页Applied Chemical Industry

基　　金：国家自然科学基金项目(51573078)。

摘　　要：以生物质粉末代替部分煤制备出煤-生物质活性炭,并对主要影响因素进行了研究。结果表明,煤与生物质比例3∶7,碱炭比(纯KOH与干燥物料的比例)2.0,活化温度800℃,活化时间30 min,制备的活性炭比表面积(BET)为719.67 m^(2)/g,总孔容0.291 cm^(3)/g,活性炭以微孔为主,其平均孔径为1.835 nm,对亚甲基蓝的最大吸附容量达到731.79 mg/g。The coal-biomass activated carbon was prepared by replacing part of coal with biomass powder,and the main influencing factors are also studied.The results of the study were determined as follows:the coal-biomass activated carbon with the mass ratio of coal to biomass of 3∶7,the mass ratio of KOH to carbon of 2.0,the activation temperature of 800℃,and the activation time of 30 min,the specific surface area of activated carbon is 719.67 m^(2)/g(BET),total pore volume is 0.291 cm^(3)/g,activated carbon is mainly microporous,and the average pore diameter is 1.835 nm,the maximum methylene blue adsorption capacity is 731.79 mg/g.

关 键 词：煤 生物质 活性炭 KOH活化 亚甲基蓝 微孔 

分 类 号：TQ424.1[化学工程]