Vanadium As a Potential Membrane Material for Carbon Capture: Effects of Minor Flue Gas Species

Yuan, Mengyao; Liguori, Simona; Lee, Kyoungjin; Van Campen, Douglas G.; Toney, Michael F.; Wilcox, Jennifer

doi:10.1021/acs.est.7b02974

Title: Vanadium As a Potential Membrane Material for Carbon Capture: Effects of Minor Flue Gas Species

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Abstract

Vanadium and its surface oxides were studied as a potential nitrogen-selective membrane material for indirect carbon capture from coal or natural gas power plants. The effects of minor flue gas components (SO₂, NO, NO₂, H₂O, and O₂) on vanadium at 500–600 °C were investigated by thermochemical exposure in combination with X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and in situ X-ray diffraction (XRD). The results showed that SO₂, NO, and NO₂ are unlikely to have adsorbed on the surface vanadium oxides at 600 °C after exposure for up to 10 h, although NO and NO₂ may have exhibited oxidizing effects (e.g., exposure to 250 ppmv NO/N₂ resulted in an 2.4 times increase in surface V₂O₅ compared to exposure to just N₂). We hypothesize that decomposition of surface vanadium oxides and diffusion of surface oxygen into the metal bulk are both important mechanisms affecting the composition and morphology of the vanadium membrane. Additionally, the results and hypothesis suggest that the carbon capture performance of the vanadium membrane can potentially be strengthened by material and process improvements such as alloying, operating temperature reduction, and flue gas treatment.

Authors:

^[1]; Liguori, Simona ^[2]; Lee, Kyoungjin ^[3]; Van Campen, Douglas G. ^[4];

^[4];

^[2]

Stanford Univ., Stanford, CA (United States)
Stanford Univ., Stanford, CA (United States); Colorado School of Mines, Golden, CO (United States)
Stanford Univ., Stanford, CA (United States); Applied Materials, Sunnyvale, CA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States)

Publication Date:: Thu Sep 14 00:00:00 EDT 2017

Research Org.:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1457535

Grant/Contract Number:: 1263991; AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Environmental Science and Technology

Additional Journal Information:: Journal Volume: 51; Journal Issue: 19; Journal ID: ISSN 0013-936X

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 54 ENVIRONMENTAL SCIENCES

Citation Formats


                    Yuan, Mengyao, Liguori, Simona, Lee, Kyoungjin, Van Campen, Douglas G., Toney, Michael F., and Wilcox, Jennifer. Vanadium As a Potential Membrane Material for Carbon Capture: Effects of Minor Flue Gas Species.  United States: N. p., 2017. 
Web.  doi:10.1021/acs.est.7b02974.

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                    Yuan, Mengyao, Liguori, Simona, Lee, Kyoungjin, Van Campen, Douglas G., Toney, Michael F., & Wilcox, Jennifer. Vanadium As a Potential Membrane Material for Carbon Capture: Effects of Minor Flue Gas Species.  United States.  https://doi.org/10.1021/acs.est.7b02974

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                    Yuan, Mengyao, Liguori, Simona, Lee, Kyoungjin, Van Campen, Douglas G., Toney, Michael F., and Wilcox, Jennifer. Thu .  
"Vanadium As a Potential Membrane Material for Carbon Capture: Effects of Minor Flue Gas Species".  United States.  https://doi.org/10.1021/acs.est.7b02974.  https://www.osti.gov/servlets/purl/1457535.

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@article{osti_1457535,

  title        = {Vanadium As a Potential Membrane Material for Carbon Capture: Effects of Minor Flue Gas Species},

  author       = {Yuan, Mengyao and Liguori, Simona and Lee, Kyoungjin and Van Campen, Douglas G. and Toney, Michael F. and Wilcox, Jennifer},

  abstractNote = {Vanadium and its surface oxides were studied as a potential nitrogen-selective membrane material for indirect carbon capture from coal or natural gas power plants. The effects of minor flue gas components (SO2, NO, NO2, H2O, and O2) on vanadium at 500–600 °C were investigated by thermochemical exposure in combination with X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and in situ X-ray diffraction (XRD). The results showed that SO2, NO, and NO2 are unlikely to have adsorbed on the surface vanadium oxides at 600 °C after exposure for up to 10 h, although NO and NO2 may have exhibited oxidizing effects (e.g., exposure to 250 ppmv NO/N2 resulted in an 2.4 times increase in surface V2O5 compared to exposure to just N2). We hypothesize that decomposition of surface vanadium oxides and diffusion of surface oxygen into the metal bulk are both important mechanisms affecting the composition and morphology of the vanadium membrane. Additionally, the results and hypothesis suggest that the carbon capture performance of the vanadium membrane can potentially be strengthened by material and process improvements such as alloying, operating temperature reduction, and flue gas treatment.},

  doi          = {10.1021/acs.est.7b02974},

  journal      = {Environmental Science and Technology},

  number       = 19,

  volume       = 51,

  place        = {United States},

  year         = {Thu Sep 14 00:00:00 EDT 2017},

  month        = {Thu Sep 14 00:00:00 EDT 2017}

}

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