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Co-gasification of pyrolysis oil and black liquor for methanol production
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-2314-8097
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-1806-4187
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
2015 (English)In: Fuel, ISSN 0016-2361, E-ISSN 1873-7153, Vol. 158, p. 451-459Article in journal (Refereed) Published
Abstract [en]

One alternative to reduce the motor fuel production cost and improve the operational flexibility of a black liquor gasification (BLG) plant is to add pyrolysis oil to the black liquor feed and co-gasify the blend. The objective of this study was to investigate techno-economically the possibility to increase methanol production at a pulp mill via co-gasification of pyrolysis oil and black liquor. Gasifying a blend consisting of 50% pyrolysis oil and 50% black liquor on a wet mass basis increases the methanol production by more than 250%, compared to gasifying the available black liquor only. Co-gasification would add extra revenues per produced unit of methanol (IRR > 15%) compared to methanol from unblended BLG (IRR 13%) and be an attractive investment opportunity when the price for pyrolysis oil is less than 70 €/MW h. The economic evaluation was based on a first plant estimate with no investment credit for the recovery boiler and a methanol product value volumetric equivalent to conventional ethanol, both these conditions will not applicable when the technology has been fully commercialized.

Place, publisher, year, edition, pages
2015. Vol. 158, p. 451-459
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-3023DOI: 10.1016/j.fuel.2015.05.044Local ID: 0c57652d-a5da-470c-aeea-a544a44a9895OAI: oai:DiVA.org:ltu-3023DiVA: diva2:975878
Conference
International Conference on Sustainable Energy Technologies : 26/08/2013 - 29/08/2013
Note
Validerad; 2015; Nivå 2; 20150601 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Andersson, JimLundgren, JoakimFurusjö, ErikLandälv, Ingvar
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  • apa
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