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Comparison of CO2 and steam gasification reactivity of algal and woody biomass chars
Monash University, Melbourne, VIC.ORCID iD: 0000-0002-8235-9839
Monash University, Melbourne, VIC.
University of Sains.
Monash University, Melbourne, VIC.
2014 (English)In: Fuel processing technology, ISSN 0378-3820, E-ISSN 1873-7188, Vol. 117, p. 44-52Article in journal (Refereed) Published
Abstract [en]

This study undertook gasification reactivity measurement of an algal biomass (Chlorella sp.) char prepared in two different reactors with two gasifying agents (CO2 and steam) and compared that with similar measurements on woody biomass (commercial wood mix) char in a thermo-gravimetric analyser at three different temperatures. In general, the woody char from entrained flow reactor showed higher reactivity during gasification. At 800 C and 950 C, similar reactivity was exhibited by algal char from thermo-gravimetric analyser whereas at 1100 C, the woody char became more reactive than the algal char. For algae, the char prepared in entrained flow reactor showed lower reactivity than the char from thermo-gravimetric analyser. The scanning electron microscope images of the char samples showed significant difference in morphology with respect to the char preparation condition and species. For chars of both the species, a temperature of 800 C and time of around 20 min are found to be sufficient to accomplish most conversion; this information is of practical relevance. © 2013 Elsevier B.V.

Place, publisher, year, edition, pages
2014. Vol. 117, p. 44-52
Keywords [en]
Algae, Char, Gasification, Reactivity, Woody biomass
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-9741DOI: 10.1016/j.fuproc.2013.02.006Scopus ID: 2-s2.0-84887122005Local ID: 868a20e4-51ac-4819-b31b-54f0969e2768OAI: oai:DiVA.org:ltu-9741DiVA, id: diva2:982679
Note

Upprättat; 2014; 20150114 (kawkir)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2019-08-20Bibliographically approved

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Kirtania, Kawnish

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CiteExportLink to record
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  • apa
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