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On the Possibility of Separation of Ammonium Bisulphate into Sulphate and Acid in the Cyclic Salt-Type Processing Alumina-Containing Raw Materials
 
PIIS086956520001196-8-1
DOI10.31857/S086956520001196-8
Publication type Article
Status Published
Authors
R. Khamizov 
Affiliation: Vernadsky Institute of Geochemistry and Analytical Chemistry, RAS
V. Zaitsev
Affiliation: Vernadsky Institute of Geochemistry and Analytical Chemistry, RAS
A. Gruzdeva
Affiliation: Vernadsky Institute of Geochemistry and Analytical Chemistry, RAS
A. Krachak
Affiliation: Vernadsky Institute of Geochemistry and Analytical Chemistry, RAS
L. Moroshkina
Affiliation:
N. Vlasovskikh
Affiliation:
L. Kogarko
Affiliation: Vernadsky Institute of Geochemistry and Analytical Chemistry, RAS
Journal nameDoklady Akademii nauk
EditionVolume 481 Issue 2
Pages166-168
Abstract

Bisulphate technology is promising to create closed cyclic technologies of processing of alumina-containing raw materials with the recovery of reagents. To implement it, a rational method for separating ammonium bisulphate into sulphate and sulphuric acid in each cycle is necessary. The possibility of such a separation was shown, for the first time, with the real samples of technological solutions.  The modified Acid Retardation method based on the sieve effect in a nano-porous media, in particular on a strongly basic gel type anion exchanger, was used. The proposed method allows solving the problem of reagent recuperation in some industrial technologies and can be used to create new technologies for processing other types of ores.

Keywords
Received12.10.2018
Publication date14.10.2018
Number of characters637
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