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Titolo:
The growth and dissolution of sodium chloride in a fluidized bed crystallizer
Autore:
Al-Jibbouri, S; Ulrich, J;
Indirizzi:
Univ Halle Wittenberg, Bachbereich Ingenieurwissensch, Inst VerfahrenstechTherm Verfahrenstech, D-06099 Halle Saale, Saale, Germany Univ Halle Wittenberg Halle Saale Saale Germany D-06099 e, Saale, Germany
Titolo Testata:
JOURNAL OF CRYSTAL GROWTH
fascicolo: 1, volume: 234, anno: 2002,
pagine: 237 - 246
SICI:
0022-0248(200201)234:1<237:TGADOS>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Keywords:
diffusion step; impurity; effectiveness factor; growth rate; integration step;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
13
Recensione:
Indirizzi per estratti:
Indirizzo: Ulrich, J Univ Halle Wittenberg, Bachbereich Ingenieurwissensch, Inst VerfahrenstechTherm Verfahrenstech, D-06099 Halle Saale, Saale, Germany Univ Halle Wittenberg Halle Saale Saale Germany D-06099 Germany
Citazione:
S. Al-Jibbouri e J. Ulrich, "The growth and dissolution of sodium chloride in a fluidized bed crystallizer", J CRYST GR, 234(1), 2002, pp. 237-246

Abstract

The growth and dissolution rates of NaCl crystals were investigated in a fluidized bed crystallizer. In the experiments the supersaturation and impurity concentration in the solution were varied. The growth rate was interpreted in terms of supersaturation levels. The orders and rate constants were reported. The effectiveness factors were estimated from the growth rate data to evaluate the relative magnitude of the two resistances in series, diffusion and integration. The effectiveness factor results indicate that the controlling mechanism is contributing by means of the diffusion and the integration steps on the crystal growth of NaCl from pure solution. However, the presence of impurities lead to a more important role of the integration step. (C) 2002 Elsevier Science BN. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 12:14:38