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题名: Removal of high concentration CO2 from natural gas using high pressure membrane contactors
作者: Kang, Guodong1;  Chan, Zhe Phak2;  Saleh, Syafiqa Bt M.2;  Cao, Yiming1
关键词: Membrane contactor ;  CO2 removal ;  High concentration ;  High pressure ;  Natural gas
刊名: INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
发表日期: 2017-05-01
DOI: 10.1016/j.ijggc.2017.03.003
卷: 60, 页:1-9
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Energy & Fuels ;  Engineering, Environmental
研究领域[WOS]: Energy & Fuels ;  Engineering
英文摘要: The feasibility of removing high concentration CO2 from natural gas using membrane contactors at elevated pressures was preliminarily investigated in this study. CO2-CH4 gas mixture and activated methyldiethanolamine (aMDEA) solution were used as simulated natural gas and absorbent, respectively. The stability of poly(vinylidene fluoride) (PVDF) hollow fiber membranes in aMDEA solution at room temperature was first investigated through Fourier transform infrared spectroscopy (FTIR) and contact angle (CA) analyses. The effect of operation pressure, membrane area and feed gas flow rate on CO2 removal performance as well as CH4 loss was studied. The results indicated that the CO2 removal efficiency was significantly improved with increasing operation pressure. For 70% CO2 in feed, the removal efficiency of CO2 increased from 33.3% at 1 bar to 91.3% at 60 bar under the experimental conditions. Meanwhile, the overall mass transfer coefficient (K-OG) gradually decreased due to the decrease of CO2 diffusion coefficient. The CO2 outlet concentration, CO2 flux and CH4 loss were also affected by membrane area and feed gas flow rate. This study provides a reference for the understanding of removal of high concentration CO2 from natural gas using membrane contactors at elevated pressures. (C) 2017 Elsevier Ltd. All rights reserved.
关键词[WOS]: HOLLOW-FIBER MEMBRANES ;  CO2/CH4 SEPARATION ;  CARBON-DIOXIDE ;  PACKED-COLUMN ;  ABSORPTION ;  PERFORMANCE
语种: 英语
WOS记录号: WOS:000402348800001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152208
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.PETRONAS Res Sdn Bhd, Kuala Lumpur 43000, Malaysia

Recommended Citation:
Kang, Guodong,Chan, Zhe Phak,Saleh, Syafiqa Bt M.,et al. Removal of high concentration CO2 from natural gas using high pressure membrane contactors[J]. INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL,2017,60:1-9.
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