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Process intensification: Precipitation of barium sulfate using a spinning disk reactor

Lookup NU author(s): Dr Pino Baffi, Dr Roshan Jachuck

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Abstract

In this work, the use of a spinning disk reactor as a unit for a reaction-precipitation process is investigated. An experimental study is reported concerning the precipitation of barium sulfate from aqueous solutions at 25 degreesC on a spinning disk of 0.5 m in diameter. At a rotational speed higher than 900 rpm, spontaneous precipitation took place and crystals similar to0.7 mum in size were produced. At a supersaturation ratio of 2000, the number of generated crystals is comparable with those reported in the literature when a T-mixer is used, but in the case of the spinning disk, a much lower specific dispersed power is required.

Publication metadata

Author(s): Jachuck RJJ; Baffi G; Cafiero LM; Chianese A

Publication type: Article

Publication status: Published

Journal: Industrial & Engineering Chemistry Research

Year: 2002

Volume: 41

Issue: 21

Pages: 5240-5246

ISSN (print): 0888-5885

ISSN (electronic): 1520-5045

Publisher: American Chemical Society

URL: http://dx.doi.org/10.1021/ie010654w

DOI: 10.1021/ie010654w

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