Results 41 to 50 of about 1,808 (225)

Evaluation of the acid leaching technique for recovery of U3O8 and ThO2 in niobium/tantalum slag

Brazilian Journal of Radiation Sciences, 2023
This study presented the recovery of uranium oxide and thorium oxide from aluminothermic slag from the metallurgical processing of columbite – a niobium/tantalum mineral with the presence of U3O8 and ThO2 – from a mining-industrial facility.
Vanderlei Vilaça Moura, Talita Santos, Claubia Pereira   +2 more
doaj   +1 more source

Mechanochemical synthesis of ZrB2-SiC-ZrC nanocomposite powder by metallothermic reduction of zircon [PDF]

, 2013
Aluminium and magnesium were used in the M/ZrSiO4/B 2O3/C (M = Al, Mg) system to induce a mechanically induced self-sustaining reaction (MSR). Aluminium was not able to reduce the system to the desired products, and the system became amorphous after 10 h
Bafghi, M. Sh, Gotor Martínez, Francisco José, Jalaly, M., Tamizifar, M.   +3 more
core   +1 more source

Engineering Electrocatalytic Structures Through Molten Salt‐Mediated Mechanistic Control

EcoEnergy, Volume 3, Issue 4, December 2025.
This review presents a mechanistic framework linking molten salt‐mediated structural engineering with electrocatalysis, highlighting molten salts' unique ability to optimize nanoscale morphology, crystallography, and defects, driving catalytic advances for sustainable energy conversion. ABSTRACT Molten salt synthesis has emerged as a versatile platform
Yutong Feng, Mingjie Wang, Hanyuan Zhang, Shutong Qin, Tianqi Guan, Bohao Chang, Weilin Xu, Yujie Ma, Jun Wan   +8 more
wiley   +1 more source

Aluminothermic Reduction Kinetics of Calcium Silicate Slag for Silicon Alloy Production

Metals
We investigated the reaction kinetics and initial chemical conditions in the production of silicon alloys, employing aluminum as the reductant for calcium silicate slag, to enhance process economics and scalability to industrial levels.
Harald G. R. Philipson, Maria Wallin, Kristian Etienne Einarsrud   +2 more
doaj   +1 more source

Extracting lithium from a lithium aluminate complex by vacuum aluminothermic reduction [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2018
The molten salt electrolysis of LiCl‒KCl is presently the primary method of producing lithium, but it is costly and has environmental issues in addition to other disadvantages.
Di Y.Z., Peng J.P., Wang Y.W., Feng N.X.
doaj   +1 more source

The layer by layer selective laser synthesis of ruby [PDF]

, 2010
In the work, features of the layer-by-layer selective laser synthesis (SLS) of ruby from an Al2O3-Cr2O3 mixture are considered depending on the irradiation power, the laser beam traverse speed, the height and amount of the backfill of powder layers.
Aguilar Marquez P.A., Arellano Juarez E.A., Kakazey M., Ragulya A., Stetsenko V., Timofeeva I., Tomila T., Vlasova M.   +7 more
core   +1 more source

The Reduction of Group 6–8 Transition Metal Oxides with Hydrogen—From Ore Smelting to Reaction Pathways#

European Journal of Inorganic Chemistry, Volume 28, Issue 30, October 22, 2025.
As the reduction of transition metal oxides by coal poses a significant climate risk, the use of alternative reducing agents such as hydrogen is becoming increasingly important. This review summarizes the current knowledge of the reduction pathways of transition metal oxides from groups 6 to 8.
Michael Häger, Simon Keilholz, Holger Kohlmann   +2 more
wiley   +1 more source

Thermodynamics of Aluminothermic Processes for Ferrotitanium Alloy Production from Bauxite Residue and Ilmenite

Metals
Titanium oxide is a major component of bauxite residue (BR) with a high value, but it is often an unwanted element in common BR reuse options such as cement or iron production.
Dimitris Sparis, Adamantia Lazou, Efthymios Balomenos, Dimitrios Panias   +3 more
doaj   +1 more source

Reactive Interaction and Wetting of Fe‐ and Mn‐Containing, Secondary AlSi Alloys with Manganese Oxide Ceramic Filter Material for Fe Removal

Advanced Engineering Materials, Volume 27, Issue 17, September 2025.
Fe‐ and Mn‐containing AlSi alloys undergo aluminothermic reaction with Mn oxide in sessile‐drop and crucible experiments forming poor‐wetting Al2O3 while Mn enriches in the alloy. Primary Fe‐containing particles are preferentially attached to the Mn oxide.
Hanka Becker, Simon Waschull, Beate Fankhänel, Claudia Voigt, Alexandros Charitos, Christos G. Aneziris, Andreas Leineweber   +6 more
wiley   +1 more source

Evaluation of a Novel High-Efficiency SHS-EAH Multi-Stage DG-ADP Process for Cleaner Production of High-Quality Ferrovanadium Alloy

Metals
A novel high-efficiency industrialized clean production technology based on multi-stage gradient batching and smelting was proposed for the production of high-quality ferrovanadium.
Bin Yu, Tiechui Yuan, Junjie Shi, Ruidi Li, Chenglong Jiang, Mingfeng Ye, Daihong Xiao, Haijun Chen, Lin Zhang, Ning Wang, Leizhang Gao, Danfeng Yin, Lei Zhang, Xiong Yang   +13 more
doaj   +1 more source