Results 11 to 20 of about 10,616,062 (308)

EFFECT OF METAL ADDITIVES IN HYDROCHEMICAL PROCESSING OF DIASPORE-BEMITE BAUXITE ON PHYSICOCHEMICAL PROPERTIES OF REDUCED MUDS

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2020
The work is devoted to study of the high-temperature hydrochemical decomposition of mineral complexes of diaspore-bemite bauxites by the Bayer method with the extraction of macro-components-aluminum and iron in the presence of metal reducing agents.
S.A. Bibanaeva, L.A. Pasechnik, V.M. Skachkov, V.T. Surikov, S.P. Yatsenko   +4 more
doaj   +1 more source

Highly efficient separation of titanium minerals from a modified bauxite residue through direct reduction: A comparison study

Journal of Materials Research and Technology, 2023
Bauxite residue, which is a solid waste generated during the production of alumina, contains significant amounts of iron (Fe) and titanium (Ti) resources.
Yuguan Zhang, Yilin Wang, Lingyun Yi, Tiangui Qi, Qiusheng Zhou, Zhihong Peng, Guihua Liu, Xiaobin Li   +7 more
doaj   +1 more source

Decomposition of Bayer process organics: low-molecular-weight carboxylates [PDF]

, 2009
The degradation of twenty-one low-molecular-weight organic carboxylates has been studied at 90 and 180 °C, in a synthetic Bayer liquor consisting of 6 mol kg− 1 aqueous NaOH solution, for periods of up to 36 days.
Hefter GT, Hefter, G., Machold T, Macedi E, Macedi, E., Laird DW, May PM, Laird, D.W., May, P.M., Machold, T.   +9 more
core   +1 more source

Novel Method of Bauxite Treatment Using Electroreductive Bayer Process

Metals, 2023
Reductive leaching in the Bayer cycle using iron (2+) allows for Al extraction to be significantly increased through the magnetization of Al-goethite and Al-hematite.
Andrei Shoppert, Dmitry Valeev, Irina Loginova   +2 more
doaj   +1 more source

Influence of Process Parameters in Three-Stage Purification of Aluminate Solution and Aluminum Hydroxide

Metals, 2023
The influence of process parameters in the three-stage purification of aluminate solution from the Bayer process and aluminum hydroxide was considered in this paper.
Vladimir Damjanovic, Radislav Filipovic, Zoran Obrenovic, Mitar Perusic, Dusko Kostic, Slavko Smiljanic, Srecko Stopic   +6 more
doaj   +1 more source

Prediction of Al2O3 leaching recovery in the Bayer process using statistical multilinear regresion analysis [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2010
This paper presents the results of defining the mathematical model which describes the dependence of leaching degree of Al2O3 in bauxite from the most influential input parameters in industrial conditions of conducting the leaching process in the ...
Đurić I., Đorđević P., Mihajlović I., Nikolić Đ., Živković Ž.   +4 more
doaj   +1 more source

Antisolvent gibbsite crystallisation from synthetic Bayer liquor [PDF]

, 2009
Includes bibliographical references (leaves 45-49).The current Bayer precipitation of gibbsite is notoriously slow and is considered to be the rate limiting step of the Bayer process.
Chiang, Yu-Lun
core   +1 more source

Analysis on Physical and Mechanical Properties of Red Mud Materials and Stockpile Stability after Dilatation

Advances in Materials Science and Engineering, 2018
Red mud is the tailings generated from the production process of aluminum industry and is mainly stacked in open-air at present, so how to ensure the stability of red mud stockpile is very important. Regarding mud stockpile of Guizhou Aluminum Factory as
Yanbo Feng, Chao Yang
doaj   +1 more source

Combining ozone and ultrasound technology to remove S2− in Bayer liquor

Ultrasonics Sonochemistry, 2023
High content sulfur (S2−) in Bayer liquor can increase alkali consumption, accelerate equipment corrosion, especially seriously affect alumina production.
Xuxu Wang, Jianfeng Ran, Haisheng Duan, Ying Chen, Jiaping Zhao, Shaohua Yin, Shiwei Li, Libo Zhang   +7 more
doaj   +1 more source

Advancing cell therapy manufacturing: an image-based solution for accurate confluency estimation

Frontiers in Bioengineering and Biotechnology
Cell therapies represent a transformative approach for treating diseases resistant to conventional therapies, yet their development and manufacturing face significant hurdles within the biopharmaceutical sector.
John Mason, Martin Kraft, Jakob Hueckels, Hao Wei, Konstantinos Spetsieris   +4 more
doaj   +1 more source