气体分离

气体分离是将混合气体中的一种或多种组分分离纯化的过程，常见的技术有低温蒸馏技术和振荡吸附技术。^[1]^[2]

膜可用作气体分离，且在小规模的气体分离中常具有经济优势。^[3]膜分离的应用之一是20世纪40年代，曼哈顿计划中使用了无机组分的膜来分离铀的同位素气体（六氟化铀）。^[4]它在天然气处理、氢气回收等过程中也有应用。^[3]商用的无机多孔膜主要是陶瓷膜（氧化铝、二氧化硅等）和多孔金属膜（银、不锈钢等）。^[4]金属有机框架材料膜作为一种杂化材料也被用于气体分离。^[3]

参考文献

^ Hermes, Santa Anna; Amaro, Barreto; et al. Methane/nitrogen separation through pressure swing adsorption process from nitrogen-rich streams. Chemical Engineering and Processing: Process Intensification. May 2016, 103: 70–79. doi:10.1016/j.cep.2015.11.002.
^ Basu, Swapan; Debnath, Ajay. PowerPlant Instrumentation and Control Handbook. 2019. ISBN 978-0-12-819504-8.
^ ^3.0 ^3.1 ^3.2 Qihui Qian; et al. MOF-Based Membranes for Gas Separations. Chem. Rev. 2020, 120, 16, 8161–8266. doi:10.1021/acs.chemrev.0c00119.
^ ^4.0 ^4.1 Pratibha Pandey, R.S. Chauhan. Membranes for gas separation. Progress in Polymer Science, 2001. 26 (6): 853-893. doi:10.1016/S0079-6700(01)00009-0.

参见

[Santa_Anna-1] Hermes, Santa Anna; Amaro, Barreto; et al. Methane/nitrogen separation through pressure swing adsorption process from nitrogen-rich streams. Chemical Engineering and Processing: Process Intensification. May 2016, 103: 70–79. doi:10.1016/j.cep.2015.11.002.

[Basu-2] Basu, Swapan; Debnath, Ajay. PowerPlant Instrumentation and Control Handbook. 2019. ISBN 978-0-12-819504-8.

[cr-3] 3.0 ^3.1 ^3.2 Qihui Qian; et al. MOF-Based Membranes for Gas Separations. Chem. Rev. 2020, 120, 16, 8161–8266. doi:10.1021/acs.chemrev.0c00119.

[pps-4] 4.0 ^4.1 Pratibha Pandey, R.S. Chauhan. Membranes for gas separation. Progress in Polymer Science, 2001. 26 (6): 853-893. doi:10.1016/S0079-6700(01)00009-0.

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