H2S adsorption performance of alkali lignocarbon/PVA composite membrane

Li, Youjing; Li, Fen; Zheng, Menglong; Yan, Hong; Liu, Qianliang

doi:10.1007/s11814-022-1136-x

Korean J. Chem. Eng.

2022

DOI: 10.1007/s11814-022-1136-x

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H2S adsorption performance of alkali lignocarbon/PVA composite membrane

Youjing Li

Fen Li

Menglong Zheng

et al.

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2023

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Cited by 2 publications

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Kinetic and thermodynamic studies of H₂S adsorption by lignin-based composite membranes

Yang

et al. 2023

Journal of Polymer Engineering

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Two lignin-based composite films were prepared by solution casting, which were named Cu-CLA/PVA and CuO-LA/PVA/CNF, respectively. The kinetic and thermodynamic analyses of the deodorization process of the composite membranes were performed by using adsorption models. The results showed that both membranes had good adsorption performance for H2S with the adsorption amounts of 36.39 mg g−1 and 35.69 mg g−1, respectively. The adsorption processes were mainly following the pseudo-secondary kinetic model, intraparticle diffusion model, and Freundlich isothermal adsorption model, indicating that the intraparticle diffusion resistance controlled the H2S adsorption rate and H2S was adsorbed on the non-homogeneous surface of the membranes through multiple layers. The adsorption of H2S by Cu-CLA/PVA is an exothermic process, while the adsorption of H2S by CuO-LA/PVA/CNF is a heat-absorbing process, indicating that Cu-CLA/PVA is more suitable for H2S adsorption at low temperatures, but CuO-LA/PVA/CNF, at higher temperatures, is favorable for H2S adsorption reactions. △G is negative of both Cu-CLA/PVA and CuO-LA/PVA/CNF, indicating that both Cu-CLA/PVA and CuO-LA/PVA/CNF are spontaneous for H2S adsorption.

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Kinetic and thermodynamic studies of H₂S adsorption by lignin-based composite membranes

Yang

et al. 2023

Journal of Polymer Engineering

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Recent Advances in H2S Removal from Gas Streams

Alguacil

2023

Applied Sciences

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Hydrogen sulfide is a toxic and corrosive gas; thus, in order to mitigate its environmental impact, its capture and removal from various emitting sources, natural and anthropogenic, is of a necessity. In this work, recent advances (2020–2022) proposed by a series of investigations are reviewed. Adsorption using metal-oxide-based adsorbents appeared to be the most popular technology, whereas solvent absorption is used to co-absorb both toxic H2S and CO2. The uses of the various membrane technologies for H2S removal are also described.

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H2S adsorption performance of alkali lignocarbon/PVA composite membrane

Cited by 2 publications

References 24 publications

Kinetic and thermodynamic studies of H₂S adsorption by lignin-based composite membranes

Kinetic and thermodynamic studies of H₂S adsorption by lignin-based composite membranes

Recent Advances in H2S Removal from Gas Streams

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H2S adsorption performance of alkali lignocarbon/PVA composite membrane

Cited by 2 publications

References 24 publications

Kinetic and thermodynamic studies of H2S adsorption by lignin-based composite membranes

Kinetic and thermodynamic studies of H2S adsorption by lignin-based composite membranes

Recent Advances in H2S Removal from Gas Streams

Contact Info

Product

Resources

About

Kinetic and thermodynamic studies of H₂S adsorption by lignin-based composite membranes

Kinetic and thermodynamic studies of H₂S adsorption by lignin-based composite membranes