Efficient utilization of red mud waste via stepwise leaching to obtain α-hematite and mesoporous γ-alumina

Z Karimi, A Rahbar-Kelishami - Scientific Reports, 2023 - nature.com
Utilizing the red mud sustainably is now a challenging issue. Red mud due to its wide
production, presence of some radioactive elements, high alkalinity, and salinity, has a …

Study of Co-deposition of tantalum and titanium during the formation of layered composite materials by magnetron sputtering

EO Nasakina, MA Sudarchikova, KY Demin… - Coatings, 2023 - mdpi.com
Composite materials" base–transition layer–surface metal layer (Ta/Ti)" were produced
using a complex vacuum technology including magnetron sputtering. The structure (by …

[HTML][HTML] Room-temperature fabrication of magnetite-boehmite sol-gel composites for heavy metal ions removal

OE Shapovalova, AS Drozdov, EA Bryushkova… - Arabian Journal of …, 2020 - Elsevier
Magnetite-boehmite porous ceramic composites were synthesized from magnetite and
boehmite hydrosols in a course of room-temperature sol-gel transition. The proposed …

Fe-doped Al2O3 nanoplatforms as efficient and recyclable photocatalyst for the dyes remediation

LC Lerici, CL Marchena, CC Torres, CH Campos… - … of Photochemistry and …, 2022 - Elsevier
Abstract γ-Al 2 O 3 nanowires (NW) were synthetized and impregnated with different
amounts of iron (2, 6 and 10 wt%). Catalysts were further characterized by powder X-ray …

Hydrothermal synthesis, characterization and sorption properties of Al/Fe oxide–oxyhydroxide composite powders

VI Mikhaylov, TP Maslennikova, VL Ugolkov… - Advanced Powder …, 2016 - Elsevier
Abstract The Al/Fe oxide–oxyhydroxide composite powders were synthesized by
hydrothermal method using metal salt solutions and urea as precursors. The effect of the [Al …

Characterization and sorption properties of γ-AlOOH/α-Fe2O3 composite powders prepared via hydrothermal method

VI Mikhaylov, TP Maslennikova… - Materials Chemistry and …, 2017 - Elsevier
Abstract Properties of boehmite and hematite powders formed under hydrothermal
conditions are well known. However, a synergistic effect is expected when the γ-AlOOH/α-Fe …

Magnetic mesoporous catalytic and adsorption active Fe-Al2O3 films

VI Mikhaylov, EF Krivoshapkina, VA Belyy… - Microporous and …, 2019 - Elsevier
Composite self-supporting Al 2 O 3-Fe films with different component ratios were obtained
using sol-gel and selective reduction approaches. A comprehensive study of the …

Electro-deposition and hydrothermal transition of alumina sol film on sintered NdFeB magnets

R Cao, L Zhu, H Liu, W Li - Surface and Coatings Technology, 2017 - Elsevier
Alumina film is effective for improving the corrosion resistance and protecting the magnetic
properties of NdFeB magnets, but the complicated preparation method limits its application …

Optical and thermal properties of sol–gel Al(OH)3–Fe(OH)3–PVA composite films

VI Mikhaylov - Journal of Sol-Gel Science and Technology, 2019 - Springer
In this paper, the evaluation of the interaction forces of Poly (vinyl alcohol)(PVA)-coated
nanoparticles of aluminum and iron hydroxides was carried out using the classical and …

Synthesis of Meso/Macroporous γ‐Alumina via Aluminum Pellet with Controllable Porosity: Ammonium Bicarbonate Influences through Drying and Calcination Steps

M Bamdadi, A Bozorg, A Tavasoli, S Shateri… - …, 2019 - Wiley Online Library
Mesoporous and macroporous γ‐alumina have been synthesized using the economic
source of aluminum pellets. To manipulate the porosity and overall porous characteristics …