Abstract
The method of process carbonate removal from sodium aluminate liquors by sidestrearn reactions with lime has been reviewed. The paper summarizes original work on this subject and exemplifies the transition to the efficient technique now used by the Reynolds Metals Company. A comparative historical description of the causticization process is presented with emphasis placed on more recently developed systems, both domestic and foreign, in the alumina industry. The technology employed by Reynolds Metals Company for solving the problems of overcoming the accumulation of sodium carbonate in Bayer plant liquors is reviewed. A discussion of plant experimental work leading up to the installation of the causticization units is included. Critical parameters required for efficient caustization and the chemistry involved are emphasized.
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© 2016 The Minerals, Metals & Materials Society
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Chaplin, N.T. (2016). Reaction of Lime in Sodium Aluminate Liquors. In: Donaldson, D., Raahauge, B.E. (eds) Essential Readings in Light Metals. Springer, Cham. https://doi.org/10.1007/978-3-319-48176-0_27
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DOI: https://doi.org/10.1007/978-3-319-48176-0_27
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48574-4
Online ISBN: 978-3-319-48176-0
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