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Heat integration and heat exchanger network design for oxyfuel cement plants

Abstract

The cement sector needs to reduce its CO2 emissions. An oxyfuel CO2 capture technology allows to considerably reduce the emission. However, heat recovery and energy efficiency measures are essential to make the technology economically feasible. An approach to design heat exchanger networks applied to a 1st generation oxyfuel cement plant is described in this article. The approach consists of two steps: preliminary targeting and heat exchanger network design. For the studied cement plant, the steam Rankine cycle was identified to be superior to organic Rankine cycles. In the ideal case about 10.5 MW of power can be recovered. However, in a cost-efficient simple heat exchanger network recovery of only about 8.7 MW is economically reasonable
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Category

Academic article

Client

  • Research Council of Norway (RCN) / 305080
  • EC/H2020 / 299663

Language

English

Author(s)

Affiliation

  • SINTEF Energy Research / Gassteknologi
  • Germany
  • Switzerland

Year

2023

Published in

Computer-aided chemical engineering

ISSN

1570-7946

Publisher

Elsevier

Volume

52

Page(s)

267 - 272

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