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    Polymeric membrane materials for nitrogen production from air: A process synthesis study

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    Type
    Article
    Authors
    Bozorg, M.
    Addis, B.
    Piccialli, V.
    Ramírez-Santos, Álvaro A.
    Castel, C.
    Pinnau, Ingo cc
    Favre, E.
    KAUST Department
    Chemical Engineering Program
    Advanced Membranes and Porous Materials Research Center
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    OSR-2016-CPF-2910).
    Date
    2019-07-16
    Submitted Date
    2019-04-18
    Permanent link to this record
    http://hdl.handle.net/10754/668606
    
    Metadata
    Show full item record
    Abstract
    Nitrogen production from air by membrane gas separation processes is a mature technology which is applied in numerous industrial sectors (chemical, food, aeronautics, space.). Depending on the nitrogen purity requirements (typically between 90 and 99.9%), single stage or multistage membrane process configurations are used. A very large number of advanced membrane materials have been recently reported, showing increasing permeability and/or selectivity for air separation applications (i.e. trade-off limits of dense polymeric materials for the O2/N2 gas pair) compared to the commercially available membranes. The interest of these new materials in terms of nitrogen production cost and their impact in terms of process configuration are reported through a process synthesis study. Based on a tailor made optimization methodology and program, the production cost and associated optimal process configuration are first identified for two standard O2/N2 separation membranes at four different levels of N2 purity (90, 95, 99, 99.9%). The same strategy is then performed with advanced trade-off membrane materials, with the possibility to combine different materials in multistaged systems. The impact in terms of nitrogen production cost for the different purities and the corresponding optimal membrane materials and process configurations are discussed. Surprisingly, a medium membrane selectivity combined to a high permeability is shown to systematically offer the best set of performances, for mono or multistaged systems. Vacuum operation and recycling loops are shown to generate lower N2 production costs.
    Citation
    Bozorg, M., Addis, B., Piccialli, V., Ramírez-Santos, Á. A., Castel, C., Pinnau, I., & Favre, E. (2019). Polymeric membrane materials for nitrogen production from air: A process synthesis study. Chemical Engineering Science, 207, 1196–1213. doi:10.1016/j.ces.2019.07.029
    Sponsors
    Research reported in this publication was supported by King Abdullah University of Science and Technology ( KAUST # OSR-2016-CPF-2910).
    Publisher
    Elsevier BV
    Journal
    Chemical Engineering Science
    DOI
    10.1016/j.ces.2019.07.029
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0009250919306013
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.ces.2019.07.029
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Chemical Engineering Program

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