Carbon molecular sieve membrane from a microporous spirobisindane-based polyimide precursor with enhanced ethylene/ethane mixed-gas selectivity

Octavio Salinas; Xiaohua Ma; Yingge Wang; Yu Han; Ingo Pinnau

doi:10.1039/c6ra24699k

Carbon molecular sieve membrane from a microporous spirobisindane-based polyimide precursor with enhanced ethylene/ethane mixed-gas selectivity

Octavio Salinas, Xiaohua Ma, Yingge Wang, Yu Han, Ingo Pinnau

Research output: Contribution to journal › Article › peer-review

69 Scopus citations

Abstract

Ethylene is typically produced by steam cracking of various hydrocarbon feedstocks. The gaseous products are then separated in a demethanizer followed by a deethanizer unit and finally sent to a C splitter for the final purification step. Cryogenic distillation of ethylene from ethane is the most energy-intensive unit operation process in the chemical industry. Therefore, the development of more energy-efficient processes for ethylene purification is highly desirable. Membrane-based separation has been proposed as an alternative option for replacement or debottlenecking of C splitters but current polymer membrane materials exhibit insufficient mixed-gas CH/CH selectivity (

Original language	English (US)
Pages (from-to)	3265-3272
Number of pages	8
Journal	RSC Adv.
Volume	7
Issue number	6
DOIs	https://doi.org/10.1039/c6ra24699k
State	Published - 2017

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: The work reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).

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10.1039/c6ra24699k

https://repository.kaust.edu.sa/bitstream/10754/622717/1/c6ra24699k.pdf

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title = "Carbon molecular sieve membrane from a microporous spirobisindane-based polyimide precursor with enhanced ethylene/ethane mixed-gas selectivity",

abstract = "Ethylene is typically produced by steam cracking of various hydrocarbon feedstocks. The gaseous products are then separated in a demethanizer followed by a deethanizer unit and finally sent to a C splitter for the final purification step. Cryogenic distillation of ethylene from ethane is the most energy-intensive unit operation process in the chemical industry. Therefore, the development of more energy-efficient processes for ethylene purification is highly desirable. Membrane-based separation has been proposed as an alternative option for replacement or debottlenecking of C splitters but current polymer membrane materials exhibit insufficient mixed-gas CH/CH selectivity (",

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T1 - Carbon molecular sieve membrane from a microporous spirobisindane-based polyimide precursor with enhanced ethylene/ethane mixed-gas selectivity

AU - Salinas, Octavio

AU - Ma, Xiaohua

AU - Wang, Yingge

AU - Han, Yu

AU - Pinnau, Ingo

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The work reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).

PY - 2017

Y1 - 2017

N2 - Ethylene is typically produced by steam cracking of various hydrocarbon feedstocks. The gaseous products are then separated in a demethanizer followed by a deethanizer unit and finally sent to a C splitter for the final purification step. Cryogenic distillation of ethylene from ethane is the most energy-intensive unit operation process in the chemical industry. Therefore, the development of more energy-efficient processes for ethylene purification is highly desirable. Membrane-based separation has been proposed as an alternative option for replacement or debottlenecking of C splitters but current polymer membrane materials exhibit insufficient mixed-gas CH/CH selectivity (

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Carbon molecular sieve membrane from a microporous spirobisindane-based polyimide precursor with enhanced ethylene/ethane mixed-gas selectivity

Abstract

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