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CO2 absorption with membrane contactors vs. packed absorbers-Challenges and opportunities in post combustion capture and natural gas sweetening

Sammendrag

The present work presents a case study where membrane contactors are compared with absorption towers for post combustion CO2 capture and for natural gas sweetening. Simulations are performed using a absorber model which has been validated with experiments in a membrane contactor setup. The design of the membrane contactors is made with emphasis on the constraints in gas and liquid side pressure drop and size limitations of membrane modules, in addition to the common design criteria for industrial absorbers. Results show that absorber size may potentially be reduced by 75%, given that liquid is flowing on the shell side of the membrane units. Natural gas sweetening is a more viable option than post combustion capture due to the potentially large gas side pressure drop and the need for many membrane units in parallel in the latter case.

Kategori

Vitenskapelig artikkel

Oppdragsgiver

  • Research Council of Norway (RCN) / 200455

Språk

Engelsk

Forfatter(e)

Institusjon(er)

  • SINTEF Industri / Prosessteknologi
  • Norges teknisk-naturvitenskapelige universitet

År

2013

Publisert i

Energy Procedia

ISSN

1876-6102

Forlag

Elsevier

Årgang

37

Side(r)

952 - 960

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