Rate-based modelling of chilled ammonia process (cap) for co2 capture

Dawid P. Hanak*, Chechet Biliyok, Hoi Yeung, Vasilije Manovic

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Chilled ammonia process (CAP) has been identified as a promising alternative to the monoethanolamine based capture process for post-combustion CO2 capture. Therefore, a full-scale rate-based CAP capture plant model has been developed. First, the aqueous NH3 process was modelled in Aspen Plus and validated with pilot-plant data. The model was modified to meet the CAP operating conditions, and then scaled-up to process the flue gas from 660 MWel coal-fired power plant. The full-scale rate-based CAP model showed a substantial performance improvement through reducing the energy requirement for solvent regeneration by 27 % compared to the reference MEA process.

Original languageEnglish
Title of host publicationComputer Aided Chemical Engineering
PublisherElsevier B.V.
Pages181-186
Number of pages6
DOIs
StatePublished - 2014
Externally publishedYes

Publication series

NameComputer Aided Chemical Engineering
Volume33
ISSN (Print)1570-7946

Keywords

  • Carbon capture
  • Coal-fired power plant
  • Rate-based modelling chilled ammonia process

ASJC Scopus subject areas

  • General Chemical Engineering
  • Computer Science Applications

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