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Titolo:
MASS-TRANSFER IN BUBBLE-COLUMNS - A COMPARISON OF CORRELATIONS
Autore:
DUDLEY J;
Indirizzi:
WRC,FRANKLAND RD SWINDON SN5 8YF WILTS ENGLAND
Titolo Testata:
Water research
fascicolo: 4, volume: 29, anno: 1995,
pagine: 1129 - 1138
SICI:
0043-1354(1995)29:4<1129:MIB-AC>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSFER COEFFICIENTS; OXYGEN-TRANSFER; DYNAMIC METHOD; AERATION; LIQUIDS; MODEL;
Keywords:
BUBBLE COLUMN; HOLD-UP; MASS-TRANSFER; ALPHA-FACTOR; K(L)A;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
J. Dudley, "MASS-TRANSFER IN BUBBLE-COLUMNS - A COMPARISON OF CORRELATIONS", Water research, 29(4), 1995, pp. 1129-1138

Abstract

Several correlations were evaluated for predicting the gas hold-up and oxygen mass transfer coefficient in bubble columns. A recent hold-upcorrelation was greatly superior to the others used in this study. Only one of the mass transfer coefficient correlations included the effect of the sparger area in relationship to the total surface area, yet it was found that this relationship did have a significant effect on the measured mass transfer coefficients. Most of the mass-transfer correlations therefore required a correction factor. As with gas hold-up it was a recent correlation, based in part on theoretical principles, that gave the best results. This study also developed a new correlationfor the depression to be expected from detergents on the mass transfer coefficient.

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Documento generato il 30/03/20 alle ore 20:03:29