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Effect of Na2SO4 on the Salt Discharge from Sodium Aluminate Liquor

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Abstract:

Aiming at the research and develop of high sulfur bauxite, the salt discharge experiment in sodium aluminate seeded precipitation mother liquor had been studied. The results proved that, in the evaporation process, Na2Ok concentration should be controlled in 300-320g/l to prevent Al (OH)3 from precipitation. The additive amount of Na2SO4 had a great influence on the precipitate of Na2CO3, Na2SO4 and Al (OH)3. The precipitation rate increased with the increasing of Na2SO4 content. All things considered, salt discharge effect was better when Ns was 4.5~5g/l.

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Periodical:

Advanced Materials Research (Volumes 734-737)

Pages:

1526-1530

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.734-737.1526

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Cite this paper

Online since:

August 2013

Authors:

Jia Wei Wang*, Yong Zhen Jia, Jun Qi Li

Keywords:

Na2SO4, Salt Discharge, Sodium Aluminate Liquor

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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