Abstract

An experimental rectangular airlift reactor having mesh baffle-plates has been fabricated out of Perspex and compared with conventional airlift and bubble column in terms of gas holdup, volumetric mass transfer coefficient and mixing time. Mesh baffle-plates improved mass transfer and mixing with the mass transfer coefficient of the proposed reactor being up to 12% higher than that in a conventional airlift reactor under the same operating condition. The mixing time of the proposed reactor can be 95% lower than that of the airlift reactor.

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