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Sintering of rye straw ash and effect of additives
SINTEF Energy Research, Sem Saelends vei 11, Trondheim, Norway.
SINTEF Energy Research, Sem Saelends vei 11, Trondheim, Norway.
SINTEF Energy Research, Sem Saelends vei 11, Trondheim, Norway.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-6279-4446
2014 (English)In: Energy Procedia, 2014, 2008-2011 p.Conference paper, Published paper (Refereed)
Resource type
Text
Abstract [en]

The effects of kaolin and calcite additives on the rye straw ash sintering behaviors were investigated. The rye straw ash has a high sintering tendency, with observation of severe fusion during combustion. The formation and melting of potassium silicates play key roles in sintering of the rye straw ash at elevated temperatures. Fusion characteristics temperatures of the rye straw ash were significantly increased upon kaolin and calcite addition. Kaolin addition led to formation of high temperature melting potassium aluminum silicates, which were revealed by XRD analyses. Due to formation of high temperature melting species due to kaolin addition, the severe sintering of the rye straw ash was significantly reduced. Addition of calcite provided CaO to react with silica in the rye straw ash, causing generation of high temperature melting calcium rich silicates. In addition, the dilution effect from calcite is a main reason for improved rye straw sintering behaviors.

Place, publisher, year, edition, pages
2014. 2008-2011 p.
Keyword [en]
Additive, Calcite, Kaolin, Rye straw ash, Sintering
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-31622DOI: 10.1016/j.egypro.2014.12.063ISI: 000375936100446Scopus ID: 2-s2.0-84922380767OAI: oai:DiVA.org:mdh-31622DiVA: diva2:930231
Conference
6th International Conference on Applied Energy, ICAE 2014, 30 May 2014 through 2 June 2014
Available from: 2016-05-23 Created: 2016-05-23 Last updated: 2016-12-27Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf