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学科主题: 物理化学
题名: Recovery of HMF from aqueous solution by zeolitic imidazolate frameworks
作者: Jin, Hua1, 2;  Li, Yanshuo1;  Liu, Xinlei1, 2;  Ban, Yujie1, 2;  Peng, Yuan1, 2;  Jiao, Wenmei1, 2;  Yang, Weishen1
通讯作者: 李砚硕 ;  杨维慎
关键词: Zeolitic imidazolate frameworks ;  5-Hydroxymethylfurfural (HMF) ;  Fructose ;  Liquid adsorption ;  Breakthrough curve
刊名: CHEMICAL ENGINEERING SCIENCE
发表日期: 2015-03-03
DOI: 10.1016/j.ces.2014.07.017
卷: 124, 期:1, 页:170-178
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Three zeolitic imidazolate frameworks (ZIF-8, ZIF-90 and ZIF-93) were investigated for adsorption of 5-hydroxymethylfurfural (HMF) from aqueous solution. The equilibrium uptake of HMF decreased following the order of ZIF-8 (465 mg g(-1)) > ZIF-90 (307 mg g(-1))> ZIF-93 (279 mg g(-1)), in accordance with the hydrophobicity of the frameworks. The adsorption equilibrium data were found to follow Langmuir adsorption model. The sorption kinetics could be well described by the pseudo-second-order kinetic equation. The HMF-loacled ZIFs could be fully regenerated with ethanol as the desorption solvent. Selective adsorption of HMF from HMF/fructose/water mixtures was also carried out The uptake of HMF remained unchanged, with no observable adsorption of fructose. In liquid phase breakthrough experiments, the uptake of HMF on ZIF-8 in column was consistent with the batch study. Furthermore, the ZIF-8 packed column could be regenerated effectively and recycled with no discernible loss of adsorption capacity. These findings confirm that ZIF-8 can be employed as an effective and reusable adsorbent for I-IMF recovery from aqueous solution. (C) 2014 Elsevier Ltd. All rights reserved.
关键词[WOS]: METAL-ORGANIC FRAMEWORKS ;  MOLECULAR-SIEVE MEMBRANE ;  CARBON-DIOXIDE CAPTURE ;  EFFICIENT RECOVERY ;  ROOM-TEMPERATURE ;  ADSORPTION ;  BIOMASS ;  SEPARATION ;  CHEMICALS ;  FUNCTIONALIZATION
语种: 英语
WOS记录号: WOS:000349447000019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143804
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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 1, Peoples R China

Recommended Citation:
Jin, Hua,Li, Yanshuo,Liu, Xinlei,et al. Recovery of HMF from aqueous solution by zeolitic imidazolate frameworks[J]. CHEMICAL ENGINEERING SCIENCE,2015,124(1):170-178.
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