MASS TRANSFER IN GAS-SPARGED POROUS ELECTRODES.

Ken Takashi, Richard Alkire

Research output: Contribution to journalConference articlepeer-review

Abstract

The electrochemical limiting current method was used to measure mass transfer coefficients in cocurrent upward gas-liquid flow through packed bed electrodes. Liquid-solid and overall gas-solid coefficients were determined from limiting current data in the presence of inert or reactive gas flows with the use of a plug flow model. The presence of inert gas flow increased mass transfer coefficients over those in single-phase flow by a factor of up to 1. 7. As a result of boundary layer penetration by gas bubbles, sparging with reactive gas increased mass transfer rates by a factor of up to 3. 5.

Original languageEnglish (US)
Pages (from-to)237-253
Number of pages17
JournalProceedings - The Electrochemical Society
Volume84-11
StatePublished - 1984

ASJC Scopus subject areas

  • General Engineering

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