CPL - Chalmers Publication Library

Heat supply alternatives for CO2 capture in the process industry

Författare och institution:
Daniella Johansson (Institutionen för energi och miljö, Värmeteknik och maskinlära); Jonas Sjöblom (Institutionen för tillämpad mekanik, Förbränning); Thore Berntsson (Institutionen för energi och miljö, Värmeteknik och maskinlära)
Publicerad i:
International Journal of Greenhouse Gas Control, 8 s. 217-232
ISSN:
1750-5836
Publikationstyp:
Artikel, refereegranskad vetenskaplig
Publiceringsår:
2012
Språk:
engelska
Fulltextlänk:
Sammanfattning (abstract):
An economic analysis for post-combustion CO2 capture in a petrochemical industry has been performed. Previous studies have shown that the largest costs are related to the costs for energy supply. In this study we therefore focus on how heat can by supplied to the capture process in the most cost-efficient way. Five different heat supply options have been evaluated by using an energy market scenario tool together with a variation of the specific heat demand (reboiler duty). Three stand-alone options (natural gas combined cycle, natural gas boiler and biomass boiler) and two excess heat options (use of current excess heat and optimal use of excess heat) were analysed. For the stand-alone alternatives, the fuel consumption and co-generation of electricity are important. The best alternatives were the ones using excess heat. Considering that the process integration potential in the process industry generally is high and expecting high future CO2 charges, these options may become profitable. A quantification of the capture costs per CO2 avoided using excess heat shows costs in the range of 37-70(sic)/t CO2, which are comparable to costs reported for oxy-fuel combustion in petrochemical industries as well as for post-combustion in the power sector.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
TEKNIK OCH TEKNOLOGIER ->
Maskinteknik ->
Produktionsteknik, arbetsvetenskap och ergonomi ->
Industriell teknik och ekonomi
TEKNIK OCH TEKNOLOGIER ->
Naturresursteknik ->
Annan naturresursteknik ->
Miljöteknik
Nyckelord:
Post-combustion CO2 capture, Process integration, Heat supply options, CCS, MEA, Energy market, carbon capture, natural-gas, integration, storage, biomass, plants, mills, pulp
Chalmers styrkeområden:
Energi
Chalmers drivkrafter:
Hållbar utveckling
Postens nummer:
159947
Posten skapad:
2012-07-03 12:43
Posten ändrad:
2012-08-18 15:08

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