Natural Gas Sweetening via Membrane-Assisted Gas Absorption. Part 1: A Hollow-Fiber Unit with MDEA-Based Absorbent

Anton Petukhov; Artem Atlaskin; Kirill Smorodin; Mariia Atlaskina; Dmitriy Mikhailovich Zarubin; Nikita S. Tsivkovsky; Sergey Kryuchkov; Anna Stepakova; Andrey Vorotyntsev; Olga Kazarina; Sergey Suvorov; Ekaterina Stepanova; Ilya Vorotyntsev

doi:10.20944/preprints202312.1627.v1

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preprints.org > chemistry and materials science > chemical engineering > doi: 10.20944/preprints202312.1627.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Natural Gas Sweetening via Membrane-Assisted Gas Absorption. Part 1: A Hollow-Fiber Unit with MDEA-Based Absorbent

^* ,

Dmitriy Mikhailovich Zarubin

Version 1 : Received: 20 December 2023 / Approved: 21 December 2023 / Online: 21 December 2023 (08:37:38 CET)

How to cite: Petukhov, A.; Atlaskin, A.; Smorodin, K.; Atlaskina, M.; Zarubin, D.M.; Tsivkovsky, N.S.; Kryuchkov, S.; Stepakova, A.; Vorotyntsev, A.; Kazarina, O.; Suvorov, S.; Stepanova, E.; Vorotyntsev, I. Natural Gas Sweetening via Membrane-Assisted Gas Absorption. Part 1: A Hollow-Fiber Unit with MDEA-Based Absorbent. Preprints 2023, 2023121627. https://doi.org/10.20944/preprints202312.1627.v1 Petukhov, A.; Atlaskin, A.; Smorodin, K.; Atlaskina, M.; Zarubin, D.M.; Tsivkovsky, N.S.; Kryuchkov, S.; Stepakova, A.; Vorotyntsev, A.; Kazarina, O.; Suvorov, S.; Stepanova, E.; Vorotyntsev, I. Natural Gas Sweetening via Membrane-Assisted Gas Absorption. Part 1: A Hollow-Fiber Unit with MDEA-Based Absorbent. Preprints 2023, 2023121627. https://doi.org/10.20944/preprints202312.1627.v1

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MDPI and ACS Style

Petukhov, A.; Atlaskin, A.; Smorodin, K.; Atlaskina, M.; Zarubin, D.M.; Tsivkovsky, N.S.; Kryuchkov, S.; Stepakova, A.; Vorotyntsev, A.; Kazarina, O.; Suvorov, S.; Stepanova, E.; Vorotyntsev, I. Natural Gas Sweetening via Membrane-Assisted Gas Absorption. Part 1: A Hollow-Fiber Unit with MDEA-Based Absorbent. Preprints 2023, 2023121627. https://doi.org/10.20944/preprints202312.1627.v1

APA Style

Petukhov, A., Atlaskin, A., Smorodin, K., Atlaskina, M., Zarubin, D.M., Tsivkovsky, N.S., Kryuchkov, S., Stepakova, A., Vorotyntsev, A., Kazarina, O., Suvorov, S., Stepanova, E., & Vorotyntsev, I. (2023). Natural Gas Sweetening via Membrane-Assisted Gas Absorption. Part 1: A Hollow-Fiber Unit with MDEA-Based Absorbent. Preprints. https://doi.org/10.20944/preprints202312.1627.v1

Chicago/Turabian Style

Petukhov, A., Ekaterina Stepanova and Ilya Vorotyntsev. 2023 "Natural Gas Sweetening via Membrane-Assisted Gas Absorption. Part 1: A Hollow-Fiber Unit with MDEA-Based Absorbent" Preprints. https://doi.org/10.20944/preprints202312.1627.v1

Abstract

The present study focuses on the development and optimization of a highly efficient unique hybrid technique — membrane-assisted gas absorption (MAGA) in designing the separation unit, which provides the improvement in mass-transfer of a target component during the natural gas processing in terms of sweetening stage. A novel design of membrane-assisted gas absorption cell is used to enhance the ratio between absorbent amount and membrane surface available for permeation. The performance tests were implemented on example of two gas mixtures separation: one is model ternary gas mixture and the second is quasi real natural gas, which includes number of hydrocarbons, nitrogen, acid impurities and xenon. For both cases, the MAGA unit demonstrated high acid gases removal efficiency, and high recovery of hydrocarbons. The ultimate efficiency of studied system was up to 96 and 61 % of removed acid gases with hydrocarbons losses up to 1 % at highest productivity. In this way, the residual sum of acid gases content may be lowered to 1 vol.% using the heat-free hybrid membrane-assisted gas absorption unit maintaining suitable recovery rate of methane, ethane, propane and n-butane. Nevertheless, the overall efficiency of the process may be enhanced using the specific absorption agents with aqueous amino alcohol solutions.

Keywords

membrane-assisted gas absorption; natural gas processing; sweetening; gas separation; hollow fibers

Subject

Chemistry and Materials Science, Chemical Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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