Robust Immobilized Amine CO2 Sorbent Pellets Utilizing a Poly(Chloroprene) Polymer Binder and Fly Ash Additive
Abstract
Pelletization of ca. 50 wt % amine/silica carbon dioxide sorbents was achieved with the novel combination of fly ash (FA) as a strength additive and hydrophobic poly(chloroprene) (PC) as a binder. The PC content and overall synthesis procedure of these materials were optimized to produce pellets, labeled as FA/E100-S_(20/80)_12.2, with the highest ball-mill attrition resistance (<0.5 wt % by fines, 24 h) and maximum CO2 capture capacity of 1.78 mmol CO2 g-1. The strength of the pellets was attributed to hydrogen-bonding of the relatively homogeneous PC network with the interlocked FA and BIAS particles (DRIFTS, SEM-EDS). The low degradation of 3–4 % in the pellet's CO2 capture capacity under both dry TGA (7.5 h) and practical fixed-bed (6.5 h dry; 4.5 h humid,≈5 vol % H2O) CO2 adsorption–desorption conditions highlights the pellet's excellent cyclic stability. These robust pellet characteristics make PC/FA/sorbent materials promising for commercial scale, point-source CO2 capture.
- Authors:
-
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN (United States)
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); AECOM, Oak Ridge, TN (United States)
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
- Benefit Association of the Santa Catarina Coal Industry (SATC) (Brazil). Clean Coal Research Center
- Publication Date:
- Research Org.:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States); Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Fossil Energy (FE); Santa Catarina Coal Industry (SATC); AECOM, Oak Ridge, TN (United States)
- OSTI Identifier:
- 1433615
- Alternate Identifier(s):
- OSTI ID: 1401460
- Report Number(s):
- NETL-PUB-20525
Journal ID: ISSN 2194-4288
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Energy Technology
- Additional Journal Information:
- Journal Volume: 5; Journal Issue: 2; Journal ID: ISSN 2194-4288
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 01 COAL, LIGNITE, AND PEAT; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; amines; carbon dioxide capture; cycle stability; pellets; polymers
Citation Formats
Wilfong, Walter Christopher, Kail, Brian W., Howard, Bret H., Fernandes de Aquino, Thiago, Teixeira Estevam, Sabrina, and Gray, McMahan L. Robust Immobilized Amine CO2 Sorbent Pellets Utilizing a Poly(Chloroprene) Polymer Binder and Fly Ash Additive. United States: N. p., 2016.
Web. doi:10.1002/ente.201600319.
Wilfong, Walter Christopher, Kail, Brian W., Howard, Bret H., Fernandes de Aquino, Thiago, Teixeira Estevam, Sabrina, & Gray, McMahan L. Robust Immobilized Amine CO2 Sorbent Pellets Utilizing a Poly(Chloroprene) Polymer Binder and Fly Ash Additive. United States. https://doi.org/10.1002/ente.201600319
Wilfong, Walter Christopher, Kail, Brian W., Howard, Bret H., Fernandes de Aquino, Thiago, Teixeira Estevam, Sabrina, and Gray, McMahan L. Thu .
"Robust Immobilized Amine CO2 Sorbent Pellets Utilizing a Poly(Chloroprene) Polymer Binder and Fly Ash Additive". United States. https://doi.org/10.1002/ente.201600319. https://www.osti.gov/servlets/purl/1433615.
@article{osti_1433615,
title = {Robust Immobilized Amine CO2 Sorbent Pellets Utilizing a Poly(Chloroprene) Polymer Binder and Fly Ash Additive},
author = {Wilfong, Walter Christopher and Kail, Brian W. and Howard, Bret H. and Fernandes de Aquino, Thiago and Teixeira Estevam, Sabrina and Gray, McMahan L.},
abstractNote = {Pelletization of ca. 50 wt % amine/silica carbon dioxide sorbents was achieved with the novel combination of fly ash (FA) as a strength additive and hydrophobic poly(chloroprene) (PC) as a binder. The PC content and overall synthesis procedure of these materials were optimized to produce pellets, labeled as FA/E100-S_(20/80)_12.2, with the highest ball-mill attrition resistance (<0.5 wt % by fines, 24 h) and maximum CO2 capture capacity of 1.78 mmol CO2 g-1. The strength of the pellets was attributed to hydrogen-bonding of the relatively homogeneous PC network with the interlocked FA and BIAS particles (DRIFTS, SEM-EDS). The low degradation of 3–4 % in the pellet's CO2 capture capacity under both dry TGA (7.5 h) and practical fixed-bed (6.5 h dry; 4.5 h humid,≈5 vol % H2O) CO2 adsorption–desorption conditions highlights the pellet's excellent cyclic stability. These robust pellet characteristics make PC/FA/sorbent materials promising for commercial scale, point-source CO2 capture.},
doi = {10.1002/ente.201600319},
journal = {Energy Technology},
number = 2,
volume = 5,
place = {United States},
year = {Thu Aug 04 00:00:00 EDT 2016},
month = {Thu Aug 04 00:00:00 EDT 2016}
}
Web of Science
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