分级多孔炭的生物诱导合成及其吸附性能
Preparation of Hierarchical Porous Carbon by Biological Induced Method and Its Adsorption Property
摘 要
以凌霄花瓣为生物模板、蔗糖为炭源、氯化钠为造孔剂、氢氧化钾为活化剂, 采用生物诱导法合成了分级多孔炭, 确定了最佳工艺参数并研究了各工艺参数对该多孔炭显微结构及吸附性能的影响。结果表明: 最佳合成工艺参数为蔗糖、NaCl、KOH溶液质量分数分别为1.0%, 2.0%, 1.0%, 体积比为1∶1∶1, 活化温度为650 ℃, 活化时间为60 min; 制备的多孔炭基本保留了凌霄花瓣的微观形貌, 孔径分布较窄, 比表面积高达357 m2·g-1; 该多孔炭具有极强的吸附能力, 在120 mg·L-1的亚甲基蓝溶液中, 在120 min时达到吸附饱和, 吸附量可达60 mg·g-1。
分级多孔炭
显微结构
吸附性能
bio-template
hierarchical porous carbon
microstructure
adsorption property
Abstract
With campsis grandiflora as bio-template, sucrose as carbon source, NaCl as pore-forming agent and KOH as activator, hierarchical porous carbon was prepared by biological induced method. The optimum process parameters were determined and the effects of different process parameters on the microstructures and adsorption properties of the porous carbon were investigated. The results show that the optimum synthesis process parameters were obtained as follows: 1.0wt% sucrose solution, 2.0wt% NaCl solution and 1.0wt% KOH solution with volume ratio of 1∶1∶1; activation temperature of 650 ℃; activation time of 60 min. The obtained porous carbon retained the microstructure of campsis grandiflora and had a relatively narrow pore size distribution and a relatively high specific surface area of 357 m2·g-1.The adsorption property of the porous carbon was excellent. In the methylene blue solution of 120 mg·L-1, the porous carbon reached the adsorption saturation at 120 min with the adsorption capacity of 60 mg·g-1.
中图分类号 O647.3 DOI 10.11973/jxgccl201607004
所属栏目 试验研究
基金项目 国家自然科学基金资助项目(21103119, 21277094, 21407111); 江苏省高校自然科学研究面上项目(11KJB430012); 教育部留学回国人员科研启动经费资助项目(2013693); 江苏省高校研究生科研创新计划项目(CXZZ13_0855)
收稿日期 2015/3/5
修改稿日期 2016/3/31
网络出版日期
作者单位点击查看
备注李萍(1989-), 女, 江苏镇江人, 硕士研究生。
引用该论文: LI Ping,CHEN Zhi-gang,LIU Cheng-bao,QIAN Jun-chao,CHEN Feng. Preparation of Hierarchical Porous Carbon by Biological Induced Method and Its Adsorption Property[J]. Materials for mechancial engineering, 2016, 40(7): 18～23
李萍,陈志刚,刘成宝,钱君超,陈丰. 分级多孔炭的生物诱导合成及其吸附性能[J]. 机械工程材料, 2016, 40(7): 18～23
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【2】JIA Y F, THOMAS K M.Adsorption of cadmium ions on oxygen surface sites in activated carbon［J］.Langmuir, 2000, 16(3): 1114-1122.
【3】XU Y J, WEINBERG G, LIU X, et al.Nanoarchitecturing of activated carbon: facile strategy for chemical functionalization of the surface of activated carbon［J］.Advanced Functional Materials, 2008, 18(22): 3613-3619.
【4】IQBAL M J, ASHIQ M N.Adsorption of dyes from aqueous solutions on activated charcoal［J］.Journal of Hazardous Materials, 2007, 139(1): 57-66.
【5】SOTIROPOULOU S, SIERRA S Y, MARK S S, et al.Biotemplated nanostructured materials［J］.Chemistry of Materials, 2008, 20(3): 821-834.
【6】HASEGAWA G, KANAMORI K, NAKANISHI K, et al.Hierarchically porous carbon monoliths with high surface area from bridged polysilsesquioxanes without thermal activation process［J］.Chemical Communications, 2010, 46: 8037-8039.
【7】MULLER B R.Effect of particle size and surface area on the adsorption of albumin-bonded bilirubin on activated carbon［J］.Carbon, 2010, 48(12): 3607-3615.
【8】KANTE K, NIETO-DELGADO C, RANGEL-MENDEZ J R, et al.Spent coffee-based activated carbon: specific surface features and their importance for H2S separation process［J］.Journal of Hazardous Materials, 2012, 201: 141-147.
【9】SILVESTRE-ALBERO A, GONCALVES M, ITOH T, et al.Well-defined mesoporosity on lignocellulosic-derived activated carbons［J］.Carbon, 2012, 50(1): 66-72.
【10】INAGAKI M, KAWAHARA A, KONNO H.Recovery of heavy oil from contaminated sand by using exfoliated graphite［J］.Desalination, 2004, 170(1): 77-82.
【11】TRYBA B, MORAWSKI A W, INAGAKI M. Praparation of exfoliated graphite by microwave irradiation［J］. Carbon, 2005, 43(11): 2417-2419.
【12】ZHENG Y P, WANG H N, KANG F Y, et al.Sorption capacity of exfoliated graphite for oil-sorption in and among worm-like particles［J］. Carbon, 2004, 42(12): 2603-2607.
【13】YUE X Q, ZHANG R J, ZHANG F C, et al.Decomposition of crude oil absorbed into expanded graphite/TiO2/NiO composites［J］. Desalination, 2010, 252(1): 163-166.
【14】沈曾民, 张文辉, 张学军. 活性炭材料的制备与应用［M］. 北京: 化学工业出版社, 2006: 2-14.
【15】XIANG X X, LIU E H, HUANG Z Z, et al.Microporous carbon derived from polyaniline base as anode material for lithium ion secondary battery［J］.Materials Research Bulletin, 2011, 46(8): 1266-1271.
【16】FOO K Y, HAMEED B H.Mesoporous activated carbon from wood sawdust by K2CO3 activation using microwave heating［J］.Bioresource Technology, 2012, 111: 425-432.
【17】TENG M M, QIAO J L, LI F T, et al.Electrospun mesoporous carbon nanofibers produced from phenolic resin and their use in the adsorption of large dye molecules［J］.Carbon, 2012, 50(8): 2877-2886.
【18】李强, 汪印, 余剑, 等.物理活化白酒糟制备多孔炭材料［J］. 新型炭材料, 2012, 27(6): 440-450.
【19】王红艳, 张胜义, 张莉, 等.葡苷聚糖模板法制备纳米硒［J］.安徽大学学报, 2005, 29(1): 81-85.
【20】吴庆生, 丁亚平, 李强.活体生物膜双模板同步诱导合成硫化镉半导体纳米管和纳米球［J］.科学通报, 2006, 51(2): 129-132.
【21】王作山.模板介入法制备纳米氧化铝及其应用研究［D］.太原: 华北工学院, 2004.
【22】DAVIS S A, BURKETT S L, MENDELSON N H, et al. Bacterial templating of ordered macrostructures in silica and silica-surfactant mesophases［J］. Nature, 1997, 385: 420-423.
【23】YANG D, QI L, MA J.Eggshell membrane templating of hierarchically ordered macroporous networks composed of TiO2 tubes［J］.Advanced Materials, 2002, 14(21): 1543-1546.
【24】张笑, 罗明, 高积强, 等.以木材为模板制备TiN/C多孔陶瓷［J］.宁夏工程技术, 2006, 5(2): 130-133.
【25】DONG A G, WANG Y J, TANG Y, et al.Zeolitic tissue through wood cell templating［J］.Advanced Materials, 2002, 14(12): 926-929.
【26】KIM S W, HAN T H, KIM J, et al.Fabrication and electrochemical characterization of TiO2 three-dimensional nano-network based on peptide assembly［J］.ACS Nano, 2009, 3(5): 1085-1090.
【27】LIU C B, CHEN Z G, CHENG X L, et al.Preparation and structure analysis of expanded graphite-based composites made by phosphoric acid activation［J］.Journal of Porous Materials, 2010, 17(4): 425-428.
【28】HAQUE E, JUN J W, JHUNG S H.Adsorptive removal of methyl orange and methylene blue from aqueous solution with a metal-organic framework material, iron terephthalate(MOF-235)［J］.Journal of Hazardous Materials, 2011, 185(1): 507-511.
【29】刘成宝, 陈志刚, 陈丰, 等.微纳米多孔碳质材料的表面修饰及苯酚吸附性能［J］.硅酸盐学报, 2012, 40(5): 776-782.
【30】ZAMPIERI A, MABANDE G T P, SELVAM T, et al.Biotemplating of Luffa cylindrical sponges to self-supporting hierarchical zeolite macrostructures for bio-inspired structured catalytic reactors［J］.Materials Science and Engineering C, 2006, 26(1): 130-135.
【31】苏伟, 周理.高比表面积活性炭制备技术的研究发展［J］.化学工程, 2005, 33(2): 44-47.
【32】MCKEE D W.The Catalyzed Gasification Reaction of Carbon［M］.New York: Marcel Dekker, 1981.
【33】岳中仁, 陆耘.KOH活化制备活性碳纤维的研究［J］.功能材料, 1996, 27(4): 372-376.
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