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Limestone dissolution in flue gas desulfurization--experimental and numerical study

Guelli U. Souza, Selene M.A ; Santos, Fabiane B.F ; Ulson de Souza, Antonio Augusto ; Vidal Barrero, Fernando

Journal of chemical technology and biotechnology (1986), 2010-09, Vol.85 (9), p.1208-1214 [Periódico revisado por pares]

Chichester, UK: John Wiley & Sons, Ltd

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  • Título:
    Limestone dissolution in flue gas desulfurization--experimental and numerical study
  • Autor: Guelli U. Souza, Selene M.A ; Santos, Fabiane B.F ; Ulson de Souza, Antonio Augusto ; Vidal Barrero, Fernando
  • Assuntos: Biotechnology ; Desulfurizing ; Dissolution ; flue gas ; Limestone ; Liquids ; Mathematical models ; Particle size distribution ; reactivity ; wet desulfurization
  • É parte de: Journal of chemical technology and biotechnology (1986), 2010-09, Vol.85 (9), p.1208-1214
  • Notas: http://dx.doi.org/10.1002/jctb.2418
    Federal University of Santa Catarina
    ArticleID:JCTB2418
    CNPq
    University of Seville
    istex:AFEB15C9C7A3F6236253A2C4AC6D3F4DA34B755D
    ark:/67375/WNG-GRHB3M9H-K
    ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: BACKGROUND: Wet FGD technologies account for around 87% of such systems worldwide, particularly those that use limestone as the absorbent. This technique is widely used in large thermal power stations. Limestone reactivity is one of the parameters that most influence the yield of the FGD process. With the aim of improving the design and operation of desulfurization units, many studies have been carried out to investigate the rate of limestone dissolution.RESULTS: In this study, experimental equipment was set up to evaluate the limestone reactivity. In addition, a model to simulate the dissolution of limestone particles was developed. The proposed model considers the particle size distribution and composition, along with the pH of the liquid matrix where dissolution occurs. The average relative error between the experimental and numerically calculated results is 5%, after 10 min of experiment.CONCLUSION: A model based on film theory predicts with precision limestone dissolution as a function of the particle size distribution, chemical and physical composition of the limestone, pH and the solution composition. Copyright
  • Editor: Chichester, UK: John Wiley & Sons, Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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