Steam cycle options for the retrofit of coal and gas power plants with post-combustion capture

Mathieu Lucquiaud, Jon Gibbins

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract / Description of output

In a period where fast learning-curves for capture technologies can be expected it is important that plants built as carbon capture-ready avoid becoming potential stranded assets during the period of time when the plant operates without capture. At the same time recent evidence shows that decarbonisation of electricity generation cannot be achieved without a CCS option for gas plants. This article first proposes steam turbine design options to build combined cycle gas turbine plants as carbon capture-ready. Then steam cycle options for the existing fleet of coal-fired units are then presented. Although these plants have not been initially designed to operate with CCS it is possible to achieve effective thermodynamic integration - and an overall electricity output penalty in kWh per tonne of CO2 close to a plant built with capture from the outset - with appropriate steam turbine retrofits.

Finally, novel insights into the design of capture-ready steam cycles are discussed for future-proofing pulverised coal plants that may have capture fitted after the first learning cycles of post-combustion capture technologies occur or that may be upgraded over their lifetimes. (C) 2011 Published by Elsevier Ltd.

Original languageEnglish
Title of host publication10TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES
EditorsJ Gale, C Hendriks, W Turkenberg
Place of PublicationAMSTERDAM
PublisherElsevier B.V.
Pages1812-1819
Number of pages8
ISBN (Print)*****************
DOIs
Publication statusPublished - 2011
Event10th International Conference on Greenhouse Gas Control Technologies - Amsterdam
Duration: 19 Sept 201023 Sept 2010

Conference

Conference10th International Conference on Greenhouse Gas Control Technologies
CityAmsterdam
Period19/09/1023/09/10

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