吕东灿,王志敏,李瑞歌,姜广策,张棒,焦一凡,徐翠莲

• 1:河南农业大学理学院

摘要(Abstract)：

以杨木锯末为生物质原料,氯化锌为活化剂,采用氯化锌与生物质直接混合的一步法工艺制备生物质基活性炭。以亚甲基蓝吸附值为指标,采用单因素实验法研究活化剂与原料质量比、活化温度、升温速率以及活化时间对活性炭吸附性能的影响。确定较优的一步法制备活性炭工艺条件为:活化剂与原料质量比2.5∶1,活化温度500℃,升温速率15℃·min-1,停留时间40 min,亚甲基蓝吸附值为212 mg·g-1。对活性炭进行红外光谱、比表面积和扫描电镜,结果表明,该条件下制得的活性炭含有羟基和羧基等利于吸附的官能团,并具有丰富的孔隙结构,BET比表面积达2 866 m2·g-1。

关键词(KeyWords)： 生物质;活性炭;活化;亚甲基蓝

Abstract:

Keywords:

基金项目(Foundation): 河南农业大学博士科研启动经费项目(30601332)

作者(Author): 吕东灿,王志敏,李瑞歌,姜广策,张棒,焦一凡,徐翠莲

DOI: 10.16445/j.cnki.1000-2340.2018.06.011

参考文献(References)：

• [1]YAHA M A,AL-QODAH Z,NGAHC W Z C.Agricultural bio-waste materials as potential sustainable precursors used for activated carbon production:A review[J].Renewable&Sustainable Energy Reviews,2015,46:218-235.
• [2]FAN Q,SUN J,CHU L,et al.Effects of chemical oxidation on surface oxygen-containing functional groups and adsorption behavior of biochar[J].Chemosphere,2018,207:33-40.
• [3]SEVILLA M,MOKAYA R.Energy storage applications of activated carbons:supercapacitors and hydrogen storage[J].Energy&Environmental Science,2014,7(4):1250-1280.
• [4]CHEN M,YAN D,ZHANG X,et al.Activated carbons by a hydrothermal-assisted activated method for Li-ion batteries[J].Materials Letters,2017,196:276-279.
• [5]WANG G,WANG H,LU X,et al.Solid-state supercapacitor based on activated carbon cloths exhibits excellent rate capability[J].Advanced Materials,2014,26(17):2676-2682.
• [6]CHAITRA,VINNY,SIVARAMAN,et al.KOH activated carbon derived from biomass-banana fibers as an efficient negative electrode in high performance asymmetric supercapacitor[J].Journal of Energy Chemistry,2017,26(1):56-62.
• [7]NOR N M,LAU L C,LEE K T,et al.Synthesis of activated carbon from lignocellulosic biomass and its applications in air pollution control-A review[J].Journal of Environmental Chemical Engineering,2013,1(4):658-666.
• [8]TAN X F,LIU S B,LIU Y G,et al.Biochar as potential sustainable precursors for activated carbon production:Multiple applications in environmental protection and energy storage[J].Bioresource Technology,2016,227:359-372.
• [9]PRAHAS D,KARTIKA Y,INDRASWATI N,et al.Activated carbon from jackfruit peel waste by H3PO4,chemical activation:Pore structure and surface chemistry characterization[J].Chemical Engineering Journal,2008,140(1):32-42.
• [10]GAO X,WU L,XU Q,et al.Adsorption kinetics and mechanisms of copper ions on activated carbons derived from pinewood sawdust by fast H3PO4activation[J].Environmental Science&Pollution Research,2018,25(10):1-9.
• [11]ANGIN D.Effect of pyrolysis temperature and heating rate on biochar obtained from pyrolysis of safflower seed press cake[J].Bioresource Technology,2013,128(1):593-597.
• [12]邢献军,孙宗康,马培勇,等.干法制备生物质成型活性炭工艺研究[J].太阳能学报,2017,38(6):1539-1545.
• [13]QIAN W C,LUO X P,WANG X,et al.Removal of methylene blue from aqueous solution by modified bamboo hydrochar[J].Ecotoxicology&Environmental Safety,2018,157:300-306.
• [14]THAWATCHAI M,JOHAN L,YANJUN D,et al.Activated carbon derived from carbon residue from biomass gasification and its application for dye adsorption:Kinetics,isotherms and thermodynamic studies[J].Bioresource Technology,2016,200:350-359.
• [15]SUN Y,LI H,LI G,et al.Characterization and ciprofloxacin adsorption properties of activated carbons prepared from biomass wastes by H3PO4activation[J].Bioresource Technology,2016,217:239-244.