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Integrated black liquor gasification polygeneration system with CO2 Capture in pulp and paper mills to produce methanol and electricity
Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling.
Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling. (Energy Technology)ORCID-id: 0000-0003-0300-0762
Chinese Acad Sci, Inst Engn Thermophys, Beijing.
Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling.ORCID-id: 0000-0002-7233-6916
2011 (engelsk)Inngår i: International Journal of Green Energy, ISSN 1543-5075, E-ISSN 1543-5083, Vol. 8, nr 2, s. 275-293Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Based on KAMa pulp and paper mill, a polygeneration system integrated with a black liquor gasifier is proposed. The effects of CO2 captured by oxygen-fuel combustion and Selexol absorption on the performance of the polygeneration system are studied in terms of both thermodynamic performance and cost assessment. Using the Aspen Plus simulator, the performance of the studied polygeneration systems are analyzed from the perspectives of the first and second laws of thermodynamics. Compared with the reference system, the first law efficiency of the polygeneration system increased from 15.7% to 29.3%, with an investment increment of 17.9%. The investment incremental rates for CO 2 capture by oxyfuel combustion and Selexol absorption are 15.1% and 16.7%, respectively. Energy penalty due to CO2 capture and compression is 0.61 MJ electricity/kg CO2, avoided in the oxygen-fuel method at a cost of $29.6/tonne CO2. However, energy penalty can reach 1.03 MJ product (electricity and methanol) per kg CO2, avoided in the Selexol absorption CO2 capture process at a cost of $46.0/tonne CO2.

sted, utgiver, år, opplag, sider
2011. Vol. 8, nr 2, s. 275-293
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-13386DOI: 10.1080/15435075.2010.550077ISI: 000288272400009Scopus ID: 2-s2.0-79952597215OAI: oai:DiVA.org:mdh-13386DiVA, id: diva2:460563
Forskningsfinansiär
Swedish Research CouncilTilgjengelig fra: 2011-11-30 Laget: 2011-11-30 Sist oppdatert: 2017-12-08bibliografisk kontrollert

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