Hydrogen sulfide removal from natural gas using membrane technology: A review

Y Ma, H Guo, R Selyanchyn, B Wang, L Deng… - Journal of materials …, 2021 - pubs.rsc.org
Natural gas, having a significantly lower CO2 emission factor than oil and coal when
combusted, is accepted as an important transition fuel towards carbon net-zero society. To …

Molecularly engineered 6FDA‐based polyimide membranes for sour natural gas separation

Z Liu, Y Liu, W Qiu, WJ Koros - … Chemie International Edition, 2020 - Wiley Online Library
Glassy polyimide membranes are attractive for industrial applications in sour natural gas
purification. Unfortunately, the lack of fundamental understanding of relationships between …

Membrane and adsorption technologies for efficient hydrogen sulfide removal from biogas: A review focused on the advancement of key components

AB Alayande, H Jee, D Kang, JK Jang, KJ Chae… - Process Safety and …, 2024 - Elsevier
Biogas is a vital energy source in establishing a sustainable society, based on the principles
of a circular economy. Nevertheless, effective biogas upgrading steps, particularly for …

N2-selective adsorbents and membranes for natural gas purification

Y Zhou, Y Yuan, S Cong, X Liu, Z Wang - Separation and Purification …, 2022 - Elsevier
Conventional natural gas confronts the growing supply shortage due to the fewer formation
reserves. As a powerful replenishment, the nitrogen-rich unconventional natural gas, mainly …

Copolyimide membranes with improved H2S/CH4 selectivity for high-pressure sour mixed-gas separation

GO Yahaya, A Hayek, A Alsamah, YA Shalabi… - Separation and …, 2021 - Elsevier
Natural gas purification is a challenging task due to the existing number of contaminants in
the mixture. Sour natural gas, in particular, presents an even higher challenge due to the …

Copolyimide asymmetric hollow fiber membranes for high‐pressure natural gas purification

YA Shalabi, GO Yahaya, SH Choi… - Journal of Applied …, 2023 - Wiley Online Library
The current process to purify contaminated natural gas reserves employs a highly energy‐
intensive amine scrubbing technology. To satisfy the growing demand for natural gas …

Sour mixed-gas upper bounds of glassy polymeric membranes

A Hayek, YA Shalabi, A Alsamah - Separation and Purification Technology, 2021 - Elsevier
Polymeric membranes prepared from glassy polymers suffer from a permeability-selectivity
trade-off relationship. When their permeability is increased, their selectivity decreases, and …

Molecular design of poly (imide–oxadiazole) membranes for high-pressure mixed-gas separation

A Hayek, A Alsamah, YA Shalabi, Q Saleem… - …, 2022 - ACS Publications
The design of new polymeric materials and the search for new classes of polymers for
industrial application in membrane-based gas separation have been the focus of several …

Post-synthetic modification of CARDO-based materials: application in sour natural gas separation

A Hayek, A Alsamah, GO Yahaya, EA Qasem… - Journal of Materials …, 2020 - pubs.rsc.org
A new homopolymer, 6FDA-CARDO (t-Bu), was prepared from 6FDA-CARDO through one-
step chemical modification by adding bulky tert-butyl groups, using Friedel–Crafts alkylation …

Modified CARDO-based copolyimides with improved sour mixed-gas permeation properties

A Hayek, A Alsamah, Q Saleem… - ACS Applied Polymer …, 2022 - ACS Publications
Chemical modification is an interesting tool to introduce functional groups into polymers'
backbones to tailor their properties in a desired fashion. Polymers used in membrane-based …