Solid-phase mixing in three-phase sparged reactors

Khare, A. S. ; Dharwadkar, S. V. ; Joshi, J. B. (1989) Solid-phase mixing in three-phase sparged reactors Journal of Chemical Engineering of Japan, 22 (2). pp. 125-130. ISSN 0021-9592

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Official URL: http://www.jstage.jst.go.jp/article/jcej/22/2/22_1...

Related URL: http://dx.doi.org/10.1252/jcej.22.125

Abstract

Solid-phase mixing time was measured in a 0.2 m i.d. three-phase sparged reactor using a radioactive tracer technique. Air and water formed the gas and liquid phases. Spherical glass beads with an average size of 58, 92.5, 250, 600, 900, 1300 and 2100 microns were used as the solid phase. Glass particles were coated with radioactive gold and used as a tracer. The superficial gas velocity was varied in the range of 0.07-0.366 m/s and the solid loading was varied in the range of 0-10 vol.%. The effect of physical properties such as surface tension, liquid viscosity and the presence of electrolyte on solid phase mixing was investigated. A mathematical model has been developed which successfully correlates data on mixing time.

Item Type:Article
Source:Copyright of this article belongs to Japan Science and Technology Information Aggregator, Electronic.
Keywords:Solid Phase Mixing; Radioactive Tracer Technique; Three Phase Reactor
ID Code:61063
Deposited On:13 Sep 2011 06:52
Last Modified:13 Sep 2011 06:52

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