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Title

Process Modifications for Solvent-Based Post Combustion CO2 Capture

Publication Year

2014

Author(s)
  • Le Moullec, Yann
  • Neveux, Thibaut
  • Al Azki, Adam
  • Chikukwa, Actor
  • Hoff, Karl Anders
Conference
12th International Conference on Greenhouse Gas Control Technologies (GHGT) Date: OCT 05-09, 2014 Location: Austin, TX
Source
12TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-12 Bokk Series: Energy Procedia Volume: 63 Pages: 1470-1477 Published: 2014
ISSN
1876-6102
Abstract

Amine based CO2 scrubbing processes have been patented since 1930 but very few process improvements have been reported prior to the oil crisis of 1975-1980, which led to the requirement for more energy efficient processes. Nevertheless most of these patents are solvent oriented. With CO2 capture technology development, a sharp increase of process improvement patents and scientific articles can be witnessed since 2004 in parallel with the development of new solvents. In this work, a thorough review of patent database and open literature has been carried out in order to be as exhaustive as possible. The individual process modifications and patents are analyzed and then generalised into elementary modification groups. These elementary modifications are then sorted into main categories related to their effect on the process. In total, 20 elementary modifications have been sorted into three main categories: absorption enhancement (increasing rich loading or reducing absorption driving force difference along column height), thermal integration (minimizing the rejected heat of process and excessive thermal driving force) and heat pump effect (increasing heat quality with electricity). Figure 1 summarizes these modifications and shows an illustrative flow scheme for each of them. In the final paper, their mean of action will be described and discussed in relation to their induced complexity, flexibility, cost and expected performances. (C) 2014 The Authors. Published by Elsevier Ltd.

Author Keyword(s)
  • post-combustion
  • process design
  • process modification
  • heat pump
  • heat integration
KeyWord(s) Plus
    ESI Discipline(s)
    • Chemistry
    • Engineering
    • Geosciences
    Web of Science Category(ies)
    • Chemistry, Applied
    • Energy & Fuels
    Adress(es)

    [Le Moullec, Yann; Neveux, Thibaut] EDF R&D, F-78401 Chatou, France; [Al Azki, Adam] EON New Build & Technol, Ctr Technol, Nottingham, England; [Chikukwa, Actor; Hoff, Karl Anders] SINTEF Mat & Chem, Trondheim, Norway

    Reprint Adress

    Le Moullec, Y (reprint author), EDF R&D, 6 Quai Watier, F-78401 Chatou, France.

    Country(ies)
    • France
    • Norway
    • United Kingdom
    CNRS - Adress(es)
      Accession Number
      WOS:000361211501055
      uid:/DH0H8KDG
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