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Title: Robust Immobilized Amine CO2 Sorbent Pellets Utilizing a Poly(Chloroprene) Polymer Binder and Fly Ash Additive

Journal Article · · Energy Technology
 [1];  [2];  [3];  [4];  [4];  [3]
  1. 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)
  2. National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); AECOM, Oak Ridge, TN (United States)
  3. National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
  4. Benefit Association of the Santa Catarina Coal Industry (SATC) (Brazil). Clean Coal Research Center
+ Show Author Affiliations

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.

Research Organization:
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 Organization:
USDOE Office of Fossil Energy (FE); Santa Catarina Coal Industry (SATC); AECOM, Oak Ridge, TN (United States)
OSTI ID:
1433615
Alternate ID(s):
OSTI ID: 1401460
Report Number(s):
NETL-PUB-20525
Journal Information:
Energy Technology, Vol. 5, Issue 2; ISSN 2194-4288
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 10 works
Citation information provided by
Web of Science

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Cited By (2)

Recent advances in development of amine functionalized adsorbents for CO2 capture journal August 2019
The phosphinoboration of carbodiimides, isocyanates, isothiocyanates and CO 2 journal January 2017

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Related Subjects

01 COAL, LIGNITE, AND PEAT
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
amines
carbon dioxide capture
cycle stability
pellets
polymers