A novel study of sulfur-resistance for CO 2 separation through asymmetric ceramic-carbonate dual-phase membrane at high temperature

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A novel study of sulfur-resistance for CO 2 separation through asymmetric ceramic-carbonate dual-phase membrane at high temperature. / Chen, Tianjia; Wang, Zhigang; Das, Sonali; Liu, Lina; Li, Yongdan; Kawi, Sibudjing; Lin, Y. S.

In: Journal of Membrane Science, Vol. 581, 01.07.2019, p. 72-81.

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Chen, Tianjia ; Wang, Zhigang ; Das, Sonali ; Liu, Lina ; Li, Yongdan ; Kawi, Sibudjing ; Lin, Y. S. / A novel study of sulfur-resistance for CO 2 separation through asymmetric ceramic-carbonate dual-phase membrane at high temperature. In: Journal of Membrane Science. 2019 ; Vol. 581. pp. 72-81.

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@article{9220115078bf4f309542370ae469d47f,
title = "A novel study of sulfur-resistance for CO 2 separation through asymmetric ceramic-carbonate dual-phase membrane at high temperature",
abstract = "Sulfur compounds present in high-temperature gases from various industrial sources have a negative influence on the permeability of different kinds of membranes. In this study, we present a general and efficient strategy to design and prepare two asymmetric membranes for CO 2 separation that are resistant to H 2 S. The asymmetric membranes, mainly composed of one adsorbed layer for H 2 S consumption and one dense ceramic-carbonate layer for CO 2 separation, show not only high CO 2 permeation flux but also remarkably stable permeation behavior under an H 2 S-containing atmosphere. The sulfur-resistant stability times of the asymmetric membranes are approximately 10–12 times higher than the single ceramic-carbonate dual-phase membrane. The adsorbed layer of the asymmetric membranes can react with H 2 S to form Ce-O-S phases, gradually causing deactivation of the adsorbed layer. However, the adsorbed layer can be regenerated in the oxygen-containing gas stream above 850 °C, which can effectively remove the sulfur content from the adsorbed layer, making recycle of the membrane possible. Sulfur accumulated in the adsorbed layer of the membrane as a Ce 2 O 2 S phase, can be oxidized into SO 2 under air stream and elemental sulfur (S) under a 2.5{\%} O 2 /He gas stream. These asymmetric membranes thus possess high permeation stability in the H 2 S-containing atmosphere with good regenerability and also have potential in collection and removal of sulfur impurities from gas streams.",
keywords = "CO permeation, Dual phase membrane, H S poisoning, Regeneration capacity, Sulfur resistance",
author = "Tianjia Chen and Zhigang Wang and Sonali Das and Lina Liu and Yongdan Li and Sibudjing Kawi and Lin, {Y. S.}",
year = "2019",
month = "7",
day = "1",
doi = "10.1016/j.memsci.2019.03.021",
language = "English",
volume = "581",
pages = "72--81",
journal = "Journal of Membrane Science",
issn = "0376-7388",
publisher = "Elsevier Science B.V.",

}

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TY - JOUR

T1 - A novel study of sulfur-resistance for CO 2 separation through asymmetric ceramic-carbonate dual-phase membrane at high temperature

AU - Chen, Tianjia

AU - Wang, Zhigang

AU - Das, Sonali

AU - Liu, Lina

AU - Li, Yongdan

AU - Kawi, Sibudjing

AU - Lin, Y. S.

PY - 2019/7/1

Y1 - 2019/7/1

N2 - Sulfur compounds present in high-temperature gases from various industrial sources have a negative influence on the permeability of different kinds of membranes. In this study, we present a general and efficient strategy to design and prepare two asymmetric membranes for CO 2 separation that are resistant to H 2 S. The asymmetric membranes, mainly composed of one adsorbed layer for H 2 S consumption and one dense ceramic-carbonate layer for CO 2 separation, show not only high CO 2 permeation flux but also remarkably stable permeation behavior under an H 2 S-containing atmosphere. The sulfur-resistant stability times of the asymmetric membranes are approximately 10–12 times higher than the single ceramic-carbonate dual-phase membrane. The adsorbed layer of the asymmetric membranes can react with H 2 S to form Ce-O-S phases, gradually causing deactivation of the adsorbed layer. However, the adsorbed layer can be regenerated in the oxygen-containing gas stream above 850 °C, which can effectively remove the sulfur content from the adsorbed layer, making recycle of the membrane possible. Sulfur accumulated in the adsorbed layer of the membrane as a Ce 2 O 2 S phase, can be oxidized into SO 2 under air stream and elemental sulfur (S) under a 2.5% O 2 /He gas stream. These asymmetric membranes thus possess high permeation stability in the H 2 S-containing atmosphere with good regenerability and also have potential in collection and removal of sulfur impurities from gas streams.

AB - Sulfur compounds present in high-temperature gases from various industrial sources have a negative influence on the permeability of different kinds of membranes. In this study, we present a general and efficient strategy to design and prepare two asymmetric membranes for CO 2 separation that are resistant to H 2 S. The asymmetric membranes, mainly composed of one adsorbed layer for H 2 S consumption and one dense ceramic-carbonate layer for CO 2 separation, show not only high CO 2 permeation flux but also remarkably stable permeation behavior under an H 2 S-containing atmosphere. The sulfur-resistant stability times of the asymmetric membranes are approximately 10–12 times higher than the single ceramic-carbonate dual-phase membrane. The adsorbed layer of the asymmetric membranes can react with H 2 S to form Ce-O-S phases, gradually causing deactivation of the adsorbed layer. However, the adsorbed layer can be regenerated in the oxygen-containing gas stream above 850 °C, which can effectively remove the sulfur content from the adsorbed layer, making recycle of the membrane possible. Sulfur accumulated in the adsorbed layer of the membrane as a Ce 2 O 2 S phase, can be oxidized into SO 2 under air stream and elemental sulfur (S) under a 2.5% O 2 /He gas stream. These asymmetric membranes thus possess high permeation stability in the H 2 S-containing atmosphere with good regenerability and also have potential in collection and removal of sulfur impurities from gas streams.

KW - CO permeation

KW - Dual phase membrane

KW - H S poisoning

KW - Regeneration capacity

KW - Sulfur resistance

UR - http://www.scopus.com/inward/record.url?scp=85063249875&partnerID=8YFLogxK

U2 - 10.1016/j.memsci.2019.03.021

DO - 10.1016/j.memsci.2019.03.021

M3 - Article

VL - 581

SP - 72

EP - 81

JO - Journal of Membrane Science

JF - Journal of Membrane Science

SN - 0376-7388

ER -

ID: 32947449