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SUMMARY:An Overview of Cryogenic Carbon Capture™: Theory\, Field Tests\,
  and Commercial Potential - Larry Baxter\, Brigham Young University\, USA
DTSTART:20230421T140000Z
DTEND:20230421T150000Z
UID:TALK199630@talks.cam.ac.uk
CONTACT:Karlo Jurina
DESCRIPTION:Cryogenic Carbon Capture™ (CCC) provides a fundamentally dif
 ferent approach for separating CO2 from light gases. Those familiar with c
 arbon capture technologies generally can perhaps best appreciate CCC by co
 mparison to oxyfiring. In oxyfiring\, a typically cryogenic process separa
 tes O2 from N2 prior to combustion and uses the O2 to produce a flue gas d
 ominated by CO2 and H2O. After cleanup\, water condensation\, and CO2 poli
 shing\, the process produces a gaseous CO2 stream suitable for compression
  to delivery pressure.  CCC is similar\, except that the cryogenic separat
 ion process comes after rather than before the combustion process and if s
 eparates CO2 from nitrogen rather than oxygen from nitrogen. It has the su
 bstantial advantages that (a) CO2 is much easier (less energy and cost int
 ensive) to separate from N2 compared to air separation\, (b) the CO2 separ
 ation process leaves the CO2 in a liquid phase that is much cheaper (capit
 al and operating costs) to pressurize than gaseous compression\, (c) the v
 olumetric flowrate of the gas to be treated is smaller (perhaps non-intuit
 ively\, the dry volumetric flowrate of exhaust gas is smaller than the air
  feed volumetric flow in all practical combustion systems)\, and (d) the c
 oldest operating temperature is significantly warmer. Similarly\, CCC comp
 ared to amine absorption requires less 1/6 to 1/8 the energy for the phase
  change and has the same compression advantages as when compared to oxyfue
 l. On balance\, CCC is about half as energy intensive and about half as ex
 pensive as leading alternative carbon capture processes.\n\nThis seminar r
 eviews the CCC process\, discusses the results of a large number of field 
 tests from the process\, and discusses the pathway to eventual commerciali
 zation.
LOCATION:Central Lecture &amp\; Seminars - Mott Seminar (531)
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