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CFB Black liquor gasification – Discussions of gasification and system solutions
Mälardalen University, School of Sustainable Development of Society and Technology. (PRO)ORCID iD: 0000-0002-7233-6916
Mälardalen University, School of Sustainable Development of Society and Technology. (PRO)ORCID iD: 0000-0001-8191-4901
Mälardalen University, School of Sustainable Development of Society and Technology. (PRO)ORCID iD: 0000-0003-0300-0762
2009 (English)In: Proceedings of first International Conference on Applied Energy / [ed] Jinyue Yan, Hong-Kong University , 2009Conference paper, Published paper (Refereed)
Abstract [en]

In this paper a new type of black liquor gasification process is presented and analyzed. It is a Circulating Fluidized Bed (CFB) process with the addition of TiO

2 to the bed material. This gives a direct caustization of Na2CO3 to Na2O.TiO2 which forms NaOH by leaking with water. Thus a lime kiln is not needed in the process. Simultaneously SO4 is also reduced to S2- and stripped off as H2S to a major extent, absorbed in a selective scrubber, giving a separation of OH- and S2- , which makes modified cooking possible. Performance of integrating black liquor gasification has also been analyzed and discussed for electricity production in an efficient Integrated Gasification Combined Cycle (IGCC) and/or different chemicals such as NH3, DME or methanol in a polygeneration sytem.

Place, publisher, year, edition, pages
Hong-Kong University , 2009.
Keywords [en]
applied energy, Black liquor, gasification; direct caustization; system; polygeneration;
National Category
Energy Engineering
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-8014OAI: oai:DiVA.org:mdh-8014DiVA, id: diva2:293142
Conference
Proceedings of first International Conference on Applied Energy in Hong-Kong, Jan 5-8, 2009
Available from: 2010-02-10 Created: 2010-02-10 Last updated: 2016-02-24Bibliographically approved

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Dahlquist, ErikAvelin, AndersYan, Jinyue

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CiteExportLink to record
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Citation style
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  • ieee
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