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A platform for research: civil engineering, architecture and urbanism
A perspective of solutions for membrane instabilities in olefin/paraffin separations: a review
Light olefins are mainly produced by naphtha steam cracking, which is among the more energy intensive processes in the petrochemical industry. To save energy, some alternatives have been proposed to partially replace or combine with cryogenic distillation the conventional technology to separate olefins and paraffins. Within this aim, facilitated transport membranes, mainly with Ag+cations as selective carriers, have received great attention owing to the high selectivity and permeance provided. However, to be used industrially, the undesirable instability associated with the Ag+ cation should be considered. Poisonous agents and polymer membrane materials are sources of Ag+ deactivation. In recent years, great achievements on the separation performance have been reported, but the current challenge is to maintain the selectivity in long-term separation processes. This work presents a critical analysis of the potential causes of Ag+ deactivation and points out some alternatives that have been proposed to overcome the hurdle. This review highlights and critically analyses some perspectives of the ongoing development and application of facilitated transport membranes. ; The authors thank the Brazilian Federal Agency for Support and Evaluation of Graduate Education − CAPES (PDSE Grant 88881.134232/2016-01) and the Spanish Ministry of Economy, Industry and Competitiveness (CTQ2015-66078-R and CTQ2016-75158-R projects, Spain-FEDER 2014-2020) for financial support.
A perspective of solutions for membrane instabilities in olefin/paraffin separations: a review
Light olefins are mainly produced by naphtha steam cracking, which is among the more energy intensive processes in the petrochemical industry. To save energy, some alternatives have been proposed to partially replace or combine with cryogenic distillation the conventional technology to separate olefins and paraffins. Within this aim, facilitated transport membranes, mainly with Ag+cations as selective carriers, have received great attention owing to the high selectivity and permeance provided. However, to be used industrially, the undesirable instability associated with the Ag+ cation should be considered. Poisonous agents and polymer membrane materials are sources of Ag+ deactivation. In recent years, great achievements on the separation performance have been reported, but the current challenge is to maintain the selectivity in long-term separation processes. This work presents a critical analysis of the potential causes of Ag+ deactivation and points out some alternatives that have been proposed to overcome the hurdle. This review highlights and critically analyses some perspectives of the ongoing development and application of facilitated transport membranes. ; The authors thank the Brazilian Federal Agency for Support and Evaluation of Graduate Education − CAPES (PDSE Grant 88881.134232/2016-01) and the Spanish Ministry of Economy, Industry and Competitiveness (CTQ2015-66078-R and CTQ2016-75158-R projects, Spain-FEDER 2014-2020) for financial support.
A perspective of solutions for membrane instabilities in olefin/paraffin separations: a review
Carolino Campos, Antoniel Carlos (author) / Reis, Rodrigo Azevedo dos (author) / Ortiz Sainz de Aja, Alfredo (author) / Gorri Cirella, Daniel (author) / Ortiz Uribe, Inmaculada (author) / Universidad de Cantabria
2018-08-08
doi:10.1021/acs.iecr.8b02013
Industrial and Engineering Chemistry Research, 2018, 57(31), 10071-10085
Article (Journal)
Electronic Resource
English
DDC:
690
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