Open Access
Metals, volume 11, issue 3, pages 469
Research on High-Pressure Hydrochloric Acid Leaching of Scandium, Aluminum and Other Valuable Components from the Non-Magnetic Tailings Obtained from Red Mud after Iron Removal
Zinoveev Dmitry
1
,
Grudinsky Pavel
1
,
Zhiltsova Ekaterina
1, 2
,
Grigoreva Darya
1
,
Volkov Anton
3
,
Dyubanov Valery
1
,
Petelin Alexander
4
Publication type: Journal Article
Publication date: 2021-03-12
Metals and Alloys
General Materials Science
Abstract
Red mud is a hazardous waste of the alumina industry that contains high amounts of iron, aluminum, titanium and rare-earth elements (REEs). One of the promising methods for the extraction of iron from red mud is carbothermic reduction with the addition of sodium salts. This research focuses on the process of hydrochloric high-pressure acid leaching using 10 to 20% HCl of two samples of non-magnetic tailings obtained by 60 min carbothermic roasting of red mud at 1300 °C and the mixture of 84.6 wt.% of red mud and 15.4 wt.% Na2SO4 at 1150 °C, respectively, with subsequent magnetic separation of metallic iron. The influence of temperature, leaching duration, solid-to-liquid-ratio and acid concentration on the dissolution behavior of Al, Ti, Mg, Ca, Si, Fe, Na, La, Ce, Pr, Nd, Sc, Zr was studied. Based on the investigation of the obtained residues, a mechanism for passing valuable elements into the solution was proposed. It has shown that 90% Al, 91% Sc and above 80% of other REEs can be dissolved under optimal conditions; Ti can be extracted into the solution or the residue depending on the leaching temperature and acid concentration. Based on the research results, novel flowsheets for red mud treatment were developed.
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1 publication, 7.14%
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1 publication, 7.14%
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Journal of Industrial and Engineering Chemistry, 1, 7.14%
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1 publication, 7.14%
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1
2
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Citations by publishers
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2
4
6
8
10
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Elsevier
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10 publications, 71.43%
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Multidisciplinary Digital Publishing Institute (MDPI)
|
Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 14.29%
|
|
Chinese Society of Rare Earths
|
Chinese Society of Rare Earths
1 publication, 7.14%
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Korean Society of Industrial Engineering Chemistry
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Korean Society of Industrial Engineering Chemistry, 1, 7.14%
Korean Society of Industrial Engineering Chemistry
1 publication, 7.14%
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2
4
6
8
10
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Zinoveev D. et al. Research on High-Pressure Hydrochloric Acid Leaching of Scandium, Aluminum and Other Valuable Components from the Non-Magnetic Tailings Obtained from Red Mud after Iron Removal // Metals. 2021. Vol. 11. No. 3. p. 469.
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Zinoveev D., Grudinsky P., Zhiltsova E., Grigoreva D., Volkov A., Dyubanov V., Petelin A. Research on High-Pressure Hydrochloric Acid Leaching of Scandium, Aluminum and Other Valuable Components from the Non-Magnetic Tailings Obtained from Red Mud after Iron Removal // Metals. 2021. Vol. 11. No. 3. p. 469.
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TY - JOUR
DO - 10.3390/met11030469
UR - https://doi.org/10.3390%2Fmet11030469
TI - Research on High-Pressure Hydrochloric Acid Leaching of Scandium, Aluminum and Other Valuable Components from the Non-Magnetic Tailings Obtained from Red Mud after Iron Removal
T2 - Metals
AU - Zhiltsova, Ekaterina
AU - Volkov, Anton
AU - Dyubanov, Valery
AU - Petelin, Alexander
AU - Zinoveev, Dmitry
AU - Grudinsky, Pavel
AU - Grigoreva, Darya
PY - 2021
DA - 2021/03/12 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 469
IS - 3
VL - 11
SN - 2075-4701
ER -
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@article{2021_Zinoveev,
author = {Ekaterina Zhiltsova and Anton Volkov and Valery Dyubanov and Alexander Petelin and Dmitry Zinoveev and Pavel Grudinsky and Darya Grigoreva},
title = {Research on High-Pressure Hydrochloric Acid Leaching of Scandium, Aluminum and Other Valuable Components from the Non-Magnetic Tailings Obtained from Red Mud after Iron Removal},
journal = {Metals},
year = {2021},
volume = {11},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {mar},
url = {https://doi.org/10.3390%2Fmet11030469},
number = {3},
pages = {469},
doi = {10.3390/met11030469}
}
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Zinoveev, Dmitry, et al. “Research on High-Pressure Hydrochloric Acid Leaching of Scandium, Aluminum and Other Valuable Components from the Non-Magnetic Tailings Obtained from Red Mud after Iron Removal.” Metals, vol. 11, no. 3, Mar. 2021, p. 469. https://doi.org/10.3390%2Fmet11030469.