http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42782
Attrition of limestones by impact loading in fluidized beds: The influence of reaction conditions (Articolo in rivista)
- Type
- Label
- Attrition of limestones by impact loading in fluidized beds: The influence of reaction conditions (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.fuproc.2010.03.003 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Scala, F.; Salatino, P. (literal)
- Pagina inizio
- Pagina fine
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- Rivista
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto di Ricerche sulla Combustione, Consiglio Nazionale delle Ricerche
Dipartimento di Ingegneria Chimica, Università degli Studi di Napoli Federico II (literal)
- Titolo
- Attrition of limestones by impact loading in fluidized beds: The influence of reaction conditions (literal)
- Abstract
- The extent of attrition associated with impact loading was studied for five different limestones pre-processed
in fluidized bed under different reaction conditions. The experimental procedure was based on the
measurement of the amount and the particle size distribution of the debris generated upon impact of sorbent
samples against a target at velocities between 10 and 45 m/s. The effect of calcination, sulfation and
calcination/re-carbonation on impact damage was assessed. Fragmentation by impact loading of the
limestones was significant and increased with the impact velocity. Lime samples displayed the largest
propensity to undergo impact damage, followed by sulfated, re-carbonated and raw limestones.
Fragmentation of the sulfated samples followed a pattern typical of the failure of brittle materials. On the
other hand, the behaviour of lime samples better conformed to a disintegration failure mode, with extensive
generation of very fine fragments. Raw limestone and re-carbonated lime samples followed either of the two
patterns depending on the sorbent nature. The extent of particle fragmentation increased after multiple
impacts, but the incremental amount of fragments generated upon one impact decreased with the number of
successive impacts.
© 2010 Elsevier B.V. All rights reserved (literal)
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