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Study on highly hydrophilic cellulose hollow fiber membrane contactors for thiol sulfur removal
Yang, Xing; Cao, Yi-Ming; Wang, Rong; Yuan, Quan; Cao YM(曹义鸣); Cao YM(曹义鸣)
关键词Cellulose Membrane Hollow Fiber Membrane Contactor Thiol Sulfur Removal Reactive Extraction Mass Transfer
刊名JOURNAL OF MEMBRANE SCIENCE
2007-11-15
ISSN0376-7388
DOI10.1016/j.memsei.2007.08.020
305期:1-2页:247-256
收录类别SCI
文章类型Article
部门归属9
项目归属905
产权排名1;1
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Engineering, Chemical ; Polymer Science
研究领域[WOS]Engineering ; Polymer Science
关键词[WOS]MICROPOROUS HYDROPHOBIC MEMBRANE ; SOLVENT-EXTRACTION ; IMMOBILIZED INTERFACES ; BACK-EXTRACTION ; LACTIC-ACID ; FERMENTATION ; WATER ; SYSTEMS
英文摘要Dispersion-free reactive extraction of thiol compounds from high-sulfur-contained naphtha products into alkali solutions has been studied in a cellulose microporous hollow fiber membrane contactor. A steady extraction was achieved under a long-term operation of I month. The constant partition coefficient of thiol in an infinite dilution between the alkali solution and the oil phase was over 940. In addition, the effects of the tube and shelf side hydrodynamics on the mass transfer were investigated. The results indicated that the mass transfer resistance in the oil phase boundary layer contributed to more than 95% of the overall mass transfer resistance, while the membrane resistance only accounted for 2% under the operating conditions. The mass transfer flux of thiol extracted from the real naphtha stream containing 883.4 mu g g(-1) of sulfur came to 2.40 x 10(-5) kg M-2 S-1, and the mass transfer coefficient reached 3.91 x 10(-5) in s(-1). The removal efficiency was up to 99% with octane loss less than 3 mg L-1 when the liquid-liquid volume ratio was 1: 1. Furthermore, it was also found that the oil phase flowing at the shell was favorable in fast extraction. A diagram predicting the performance of the contactor for the extraction of sulfur from real naphtha streams was established and the prediction showed a good agreement with the experimental data. (c) 2007 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000250890600027
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/99141
专题中国科学院大连化学物理研究所
通讯作者Cao YM(曹义鸣); Cao YM(曹义鸣)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Nanyang Technol Univ, Innovat Ctr, Inst Environm Sci & Engn, Singapore 637723, Singapore
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Yang, Xing,Cao, Yi-Ming,Wang, Rong,et al. Study on highly hydrophilic cellulose hollow fiber membrane contactors for thiol sulfur removal[J]. JOURNAL OF MEMBRANE SCIENCE,2007,305(1-2):247-256.
APA Yang, Xing,Cao, Yi-Ming,Wang, Rong,Yuan, Quan,曹义鸣,&曹义鸣.(2007).Study on highly hydrophilic cellulose hollow fiber membrane contactors for thiol sulfur removal.JOURNAL OF MEMBRANE SCIENCE,305(1-2),247-256.
MLA Yang, Xing,et al."Study on highly hydrophilic cellulose hollow fiber membrane contactors for thiol sulfur removal".JOURNAL OF MEMBRANE SCIENCE 305.1-2(2007):247-256.
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