advanced solid sorbent based co2 capture process 2014 energy procedia
DESCRIPTION
articleTRANSCRIPT
Energy Procedia 63 ( 2014 ) 2216 – 2229
Available online at www.sciencedirect.com
ScienceDirect
1876-6102 © 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).Peer-review under responsibility of the Organizing Committee of GHGT-12doi: 10.1016/j.egypro.2014.11.241
aRTI International, Post Office Box 12194, Research Triangle Park, NC 27709-2194, USA bThe Institute Center for Energy (iEnergy), Masdar Institute of Science and Technology, P.O.Box 54224, Masdar City, Abu Dhabi, UAE
Abstract
Keywords:
1. Introduction
E-mail address:
© 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).Peer-review under responsibility of the Organizing Committee of GHGT-12
Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229 2217
2. RTI’s solid sorbent CO2 capture technology
2218 Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229
ParticulateFilter
Particulatefilter
Cooler
Blower
Blower
CausticScrubber
Sta
ckSorbentTransfer
To Capture StreamDehydration and
Compression
AbsorberCyclone
DesorberCyclone
Steam
CO2 Absorber
CO2 Desorber
Process description
Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229 2219
3. PEI-based solid sorbent improvement and optimization
2220 Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229
3.1. Packed-bed reactor system
3.2. “Visual” fluidized-bed reactor system
A B
C
D
Saturator
Feed
PBRCondensor
Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229 2221
3.3. Development of a fluidizable sorbent
2222 Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229
3.4. Optimization of the fluidizable sorbent
CO
2 load
ing
(wt%
)
PEI concentration ( wt%)
Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229 2223
Ads
orpt
ion
capa
city
(wt %
)
Solvent
CO
2 load
ing
(wt%
)
Temperature (oC)
a) b)
2224 Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229
4. Sorbent scale-up
4.1. Sorbent scale-up procedure
4.2. Comparison to laboratory-prepared sorbents
Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229 2225
5. Bench-scale prototype testing of RTI’s solid sorbent CO2 capture technology
5.1. Bench-scale system design and engineering
2226 Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229
5.2. Bench-scale system testing with simulated flue gas
Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229 2227
5.3. Bench-scale evaluation for NGCC application
0%
20%
40%
60%
80%
100%
120%
- 100 200 300 400 500 600
Perc
ent C
O2
Capt
ure
Minutes
Capture Ratio
upsets in flue gas delivery
> 90% CO2 capture
2228 Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229
5.4. Next steps for bench-scale system testing
6. Conclusion
Thomas O. Nelson et al. / Energy Procedia 63 ( 2014 ) 2216 – 2229 2229
Acknowledgements
References