MASS TRANSFER INDUCED BY INERT GAS BUBBLES EVOLVING FROM PHASE INTERFACE

Acta Metall Sin

1991, Vol. 27

Issue (3): 95-100 DOI:

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MASS TRANSFER INDUCED BY INERT GAS BUBBLES EVOLVING FROM PHASE INTERFACE

LI Xinhai;CHEN Xinmin;MO Dingcheng;LIU Jin Central South University of Technology; Changsha

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LI Xinhai;CHEN Xinmin;MO Dingcheng;LIU Jin Central South University of Technology; Changsha. MASS TRANSFER INDUCED BY INERT GAS BUBBLES EVOLVING FROM PHASE INTERFACE. Acta Metall Sin, 1991, 27(3): 95-100.

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Abstract A mathematical relation is derived for mass transfer coefficient at pha-se interface evolving inert gas bubbles based on the character of fluid flow andmass transfer, which is checked with literature data. It shows that the mass transfercoefficient induced by inert gas bubbles is not only proportiona to the square rootof the volume rate of gas, but also related to the behaviour of gas bubbles suchas bubble size, bubble distribution density and interface area.

Key words: mass transfer gas bubble liquid--liquid reaction

Received: 18 March 1991

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