通过膜实现不同气体的分离已成为气体分离领域内的一项重要技术。为了充分开发膜法气体分离技术在工业上的应用，当前许多的工作集中在开发满足工业需求的先进膜材料上。在文中的以下章节里，概括地介绍并讨论了近期国内外分离CO2的膜材料的研究进展。并对应用在不同工业领域膜材料的选择策略做了评述，提出了有待于进一步探索研究的领域和方向。

The separation of gases by membrane is an important technology in gas separation field. To fully exploit the application opportunities on industrial scale, more researches focus on new membrane materials that can comply with current requirement. The recent studies carried out to enhance the performance of CO2-selective membranes for gas separation will be discussed in the subsequent sections. The selective strategies of membrane materials for commercial applications are discussed, and the directions for further improvement of the membrane performance are suggested.

[1] Chu S. Carbon capture and sequestration[J]. Science, 2009, 325(5948):1599.
[2] P Bernardo, E Drioli, G Golemme. Membrane Gas Separation: A Review/State of the Art[J]. Ind. Eng. Chem. Res., 2009, 48(10):4638-4663.
[3] JH Kim, SY Ha, YM Lee, et al. Gas permeation of poly(amide-6-b-ethylene oxide) copolymer[J]. J.Membr.Sci., 2001, 190(2):179-193.
[4] H Chen, Y Xiao, TS Chung. Synthesis and characterization of poly(ethylene oxide) containing copolyimides for hydrogen purification[J]. Polymer, 2010, 51(18):4077-4086.
[5] H Li, BD Freeman, OM Ekiner. Gas permeation properties of poly(urethane-urea)s containing different polyethers[J]. J.Membr.Sci., 2011,369 (1-2):49–58.
[6] HY Zhao, YM Cao, XL Ding, et al. Poly(ethylene oxide) induced cross-linking modification of Matrimid membranes for selective separation of CO2[J]. J.Membr.Sci., 2008, 320(1-2):179-184.
[7] BD Freeman. Basis of Permeability/Selectivity Trade-off Relations in Polymeric Gas Separation Membrane[J]s. Macromolecules, 1999, 32(2): 375-380.
[8] W Yave, A Szymczyk, N Yave, et al. Design, synthesis, characterization and optimization of PTT-b-PEO copolymers: A new membrane material for CO2 separation[J]. J.Membr.Sci.,2010, 362(1-2): 407-416.
[9] PM Budd, NB McKeown, BS Ghanem, et al. Gas permeation parameters and other physicochemical properties of a polymer of intrinsic microporosity: Polybenzodioxane PIM-1[J]. J.Membr.Sci., 2008, 325(2):851–860.
[10] P Li, TS Chung, DR Paul Gas sorptionandpermeationinPIM-1[J]. J.Membr.Sci.,2013, 432(1): 50-57.
[11] N Du, HB Park, GP Robertson, et al. Polymer nanosieve membranes for CO2-capture applications[J]. Nature Mater., 2011, 10(4):372-375.
[12] A Bos, I Pünt, H Strathmann,et al. Suppression of gas separation membrane plasticization by homogeneous polymer blending[J]. AIChE J., 2001, 47(5):1088-1093.
[13] H Lin, E Van Wagner, R Raharjo, et al. High-Performance Polymer Membranes for Natural-Gas Sweetening[J]. Adv.Mater., 2006; 18(1):39-44.
[14] 滕一万 武法文, 王辉等. CO2/CH4高分子气体分离膜材料研究进展[J].化工进展,2007, 26(8): 1075-1079.
[15] 王 志, 张莉莉, 张 颖等. 分离CO2的促进传递膜[J]. 膜科学与技术, 2003, 23(4):166-171.
[16] M Teramoto, N Takeuchi, T Maki, et al. Facilitated transport of CO2 through liquid membrane accompanied by permeation of carrier solution. Sep.Purif.Technol., 2002; 27(1):25-31.
[17] J Zou, WS Ho. CO2-selective polymeric membranes containing amines in crosslinked poly(vinyl alcohol)[J]. J.Membr.Sci., 2006, 286(1-2): 310-321.
[18] L Deng, MB Hägg. Swelling behavior and gas permeation performance of PVAm/PVA blend FSC membrane[J]. J.Membr.Sci., 2010, 363(1-2): 295–301.
[19] TJ Kim, H Vrålstad, M Sandru, et al. Separation performance of PVAm composite membrane for CO2 capture at various pH levels[J]. J.Membr.Sci., 2013, 428(1):218-224.
[20] 于型伟, 王志, 赵娟等. 一种引入CO2选择性吸附硅纳米颗粒提高固定载体膜性能的方法[J]. CJChE. 2011, 19(5): 821-832.
[21] S Yuan, Z Wang, Z Qiao, et al. Improvement of CO2/N2 separation characteristics of polyvinylamine by modifying with ethylenediamine[J]. J.Membr.Sci., 2011, 378(1-2): 425-437.
[22] R Krishna, JM van Baten. In silico screening of zeolite membranes for CO2 capture[J]. J.Membr.Sci.,2010, 360(1-2):323-333.
[23] Y. Cui, H. Kita, K. Okamoto. Preparation and gas separation performance of zeolite T membrane[J]. J.Mater.Chem., 2004, 14: 924–932.
[24] SM Mirfendereski, T Mazaheri, M Sadrzadeh, et al.CO2 and CH4 permeation through T-type zeolite membranes: effect of synthesis parameters and feed pressure[J]. Sep.Purif.Technol., 2008, 61(3): 317-323.
[25] S Himeno, T Tomita, K Suzuki, et al. Synthesis and Permeation Properties of a DDR-Type Zeolite Membrane for Separation of CO2/CH4 Gaseous Mixtures[J]. Ind. Eng. Chem. Res., 2007,46(21): 6989-6997.
[26] CH Nicolas, J Sublet, Y Schuurman, et al. Role of adsorption and diffusion pathways on the CO2/N2 separation performance of nanocomposite (B)-MFI-alumina membranes[J]. Chem.Eng.Sci., 2011, 66(23): 6057–6068.
[27] L Sandström, E Sjöberg, J Hedlund. Very high flux MFI membrane for CO2 separation[J]. J.Membr.Sci., 2011, 380(1-2): 232-240.
[28] Q Liu, A Mace, Z Bacsik, et al. NaKA sorbents with high CO2-over-N2 selectivity and high capacity to adsorb CO2[J]. Chem.Commun., 2010, 46(25): 4502-4504.
[29] JC White, PK Dutta, K Shqau, et al. Synthesis of Ultrathin Zeolite Y Membranes and their Application for Separation of Carbon Dioxide and Nitrogen Gases[J]. Langmuir. 2010, 26(12): 10287-10293.
[30] M Hong, S Li, JL Falconer, et al. Hydrogen purification using a SAPO-34 membrane[J]. J.Membr.Sci., 2008, 307(2):277-283.
[31] EW Ping, Z RONGFEI, HH Funke, et al. Seeded-gel synthesis of SAPO-34 single channel and monolith membranes for CO2/CH4 separations[J]. J.Membr.Sci., 2012, 415-416(1):770-775.
[32] 肖通虎，王丽娜，曹义鸣，等. 分子筛-聚合物共混气体分离膜研究进展[J]. 膜科学与技术 2005, 25(5):85-91.
[33] M Moaddeb, WJ Koros. Gas transport properties of thin polymeric membranes in the presence of silicon dioxide particles[J]. J.Membr.Sci., 1997, 125(1): 143-163.
[34] J Ahn, WJ Chung, I Pinnau, et al. Polysulfone/silica nanoparticle mixed-matrix membranes for gas separation[J]. J.Membr.Sci., 2008,314(1-2): 123-133.
[35] L Shao, TS Chung. In situ fabrication of cross-linked PEO/silica reverse-selective membranes for hydrogen purification[J]. Int. J.Hydrogen.Energy.., 2009, 34(15):6492-6504.
[36] DQ Vu, WJ Koros, SJ Miller. Mixed matrix membranes using carbon molecular sieves: I. Preparation and experimental results[J]. J.Membr.Sci., 2003, 211(2): 311-334.
[37] LY Jiang, TS Chung, S Kulprathipanja. Fabrication of mixed matrix hollow fibers with intimate polymer–zeolite interface for gas separation[J]. AIChE J., 2006, 52(8): 2898-2908.
[38] K Friess, V Hynek, M Šípek, et al. Permeation and sorption properties of poly(ether-block-amide) membranes filled by two types of zeolites[J]. Sep.Purif.Technol., 2011, 80(3): 418-427.
[39] U Cakal, L Yilmaz, H Kalipcilar. Effect of feed gas composition on the separation of CO2/CH4 mixtures by PES-SAPO34-HMA mixed matrix membranes[J]. J.Membr.Sci.,2012,417-418(1): 45-51.
[40] E Karatay, H Kal?pç?lar, L Y?lmaz. Preparation and performance assessment of binary and ternary PES-SAPO 34-HMA based gas separation membranes[J]. J.Membr.Sci.,2010, 364(1-2): 75-81.
[41] Y Li, TS Chung, S Kulprathipanja. Novel Ag+-zeolite/polymer mixed matrix membranes with a high CO2/CH4 selectivity[J]. AIChE.J., 2007, 53(3): 610-616.
[42] AMW Hillock, SJ Miller, WJ Koros. Crosslinked mixed matrix membranes for the purification of natural gas: Effects of sieve surface modification[J]. J.Membr.Sci.,2008, 314(1-2): 193-199.
[43] S Kim, TW Pechar, E Marand. Poly(imide siloxane) and carbon nanotube mixed matrix membranes for gas separation[J]. Desalination.2006, 192(1-3): 330-339
[44] RS Murali, S Sridhar, T Sankarshana, et al. Gas Permeation Behavior of Pebax-1657 Nano-composite Membrane Incorporated with Multiwalled Carbon Nanotubes[J]. Ind.Eng.Chem.Res., 2010, 49(10): 6530-6538。
[45] Ying Dai, J.R. Johnson, O?uz Karvan, et al. Ultem®/ZIF-8 mixed matrix hollow fiber membranes for CO2/N2 separations[J]. J.Membr.Sci., 2012,401-402(1): 76-82.
[46] Ryan Adams, Cantwell Carsona, Jason Ward. Metal organic framework mixed matrix membranes for gas separations[J]. Micro.Meso. Mater.,2010,131(1-3): 13-20.
[47] B Zornoza, A M Joaristi, P S Crespo, et al. Functionalized flexible MOFs as fillers in mixed matrix membranes for highly selective separation of CO2 from CH4 at elevated pressures[J]. Chem.Commun.,2011, 47(33): 9522-9524.
[48] TS Chung, LY Jiang, Y Li, et al. Mixed matrix membranes (MMMs) comprising organic polymers with dispersed inorganic fillers for gas separation[J]. Prog.Poly.Sci., 2007, 32(4): 483-507.
[49] R Xing, WS Ho. Crosslinked polyvinylalcohol–polysiloxane/fumed silica mixed matrix membranes containing amines for CO2/H2 separation[J]. J.Membr.Sci., 2011, 367(1-2): 91-102.