http://www.cnr.it/ontology/cnr/individuo/prodotto/ID169147
Primary fragmentation of limestone under oxy-firing conditions in a bubbling fluidized bed (Articolo in rivista)
- Type
- Label
- Primary fragmentation of limestone under oxy-firing conditions in a bubbling fluidized bed (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.fuproc.2011.03.005 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Lupianez Carlos; Scala Fabrizio; Salatino Piero; Romeo Luis M.; Diez Luis I. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Centro de Investigación de Recursos y Consumos Energéticos (CIRCE), Universidad de Zaragoza
Istituto di Ricerche sulla Combustione, Consiglio Nazionale delle Ricerche
Dipartamento di Ingegneria Chimica, Università degli Studi di Napoli Federico II (literal)
- Titolo
- Primary fragmentation of limestone under oxy-firing conditions in a bubbling fluidized bed (literal)
- Abstract
- Primary fragmentation of two limestones was studied in a lab-scale bubbling fluidized bed under simulated
oxy-firing conditions and, for comparison, under traditional air-firing conditions. The influence of bed
temperature, particle size and simultaneous occurrence of sulphation reaction was tested. Additional
experiments in a heated strip apparatus were performed to determine if primary fragmentation occurred
under high heating rate conditions, but in the absence of particle collisions.
Results of the experiments show that only limited fragmentation occurred to both limestones tested under all
operating conditions. Under oxy-firing conditions primary fragmentation was significantly reduced with
respect to air-fired operation, most likely because of the absence of limestone calcination under high CO2
atmospheres. Thermal shock upon limestone injection in the hot bed appears not to be able to induce
significant particle fragmentation by its own.
Particle size, bed temperature and simultaneous occurrence of sulphation reaction were found not to
influence significantly the limestone primary fragmentation extent under both oxy-firing and air-firing
conditions. On the contrary, the limestone type was found to be a more important variable with respect to the
fragmentation tendency. (literal)
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