Metals production and metal oxides reduction using hydrogen: a review

A Rukini, MA Rhamdhani, GA Brooks… - Journal of Sustainable …, 2022 - Springer
Hydrogen is projected to be not only a source of clean fuel energy, but also a reducing agent
for metals production in the current industrial decarbonization effort. Currently, hydrogen is …

Temperature-programmed reduction of model CuO, NiO and mixed CuO–NiO catalysts with hydrogen

AV Fedorov, RG Kukushkin, PM Yeletsky… - Journal of Alloys and …, 2020 - Elsevier
Abstract Samples of model CuO, NiO and CuO–NiO catalysts were synthesized by
calcination of individual copper and nickel hydrated nitrates, and according to a technique of …

Low-Pressure Hydrogenation of CO2 to CH3OH Using Ni-In-Al/SiO2 Catalyst Synthesized via a Phyllosilicate Precursor

AR Richard, M Fan - ACS Catalysis, 2017 - ACS Publications
The overall objective of this research is to convert the increasingly concerning CO2 and
renewable H2 to highly demanded methanol (CH3OH), which creates a win–win scenario …

Nickel oxide reduction by hydrogen: kinetics and structural transformations

KV Manukyan, AG Avetisyan, CE Shuck… - The Journal of …, 2015 - ACS Publications
We studied the reduction kinetics of bulk NiO crystals by hydrogen and the corresponding
structural transformations in the temperature range of 543–1593 K. A new experimental …

Reduction of nickel oxide particles by hydrogen studied in an environmental TEM

Q Jeangros, TW Hansen, JB Wagner… - Journal of Materials …, 2013 - Springer
In situ reduction of nickel oxide (NiO) particles is performed under 1.3 mbar of hydrogen gas
(H 2) in an environmental transmission electron microscope (ETEM). Images, diffraction …

CO2 reforming of CH4: Effect of Gd as promoter for Ni supported over MCM-41 as catalyst

AS Al-Fatesh, AA Ibrahim, AH Fakeeha, SK Singh… - Renewable Energy, 2019 - Elsevier
Biogas, an emerging renewable replacement to natural gas (fossil fuel), is 60–70% methane
and 30–40% CO 2 by volume and can be produced from organic matter by anaerobic …

Kinetics of NiO reduction by H2 and Ni oxidation at conditions relevant to chemical-loo** combustion and reforming

Z Zhou, L Han, GM Bollas - International Journal of Hydrogen Energy, 2014 - Elsevier
Twenty solid-state kinetic models, including mechanisms dominated by reaction order,
geometrical contraction, diffusion, nucleation, random pore growth, as well as the more …

Design of nickel supported on water-tolerant Nb2O5 catalysts for the hydrotreating of lignin streams obtained from lignin-first biorefining

GF Leal, S Lima, I Graça, H Carrer, DH Barrett… - Iscience, 2019 - cell.com
In biomass conversion, Nb 2 O 5 has attracted increasing attention as a catalyst support
presenting water-tolerant Lewis acid sites. Herein, we address the design of Ni/Nb 2 O 5 …

[HTML][HTML] Modeling the temperature-programmed reduction of metal oxide catalysts by considering the particle-size distribution effect

J Villarroel-Rocha, A Gil - Chemical Engineering Journal, 2024 - Elsevier
Hydrogen temperature-programmed reduction (H 2-TPR) has become a very useful and
common technique for the chemical characterization of solids as it is sensitive to the study of …

Ag-Co3O4: Synthesis, characterization and evaluation of its photo-catalytic activity towards degradation of rhodamine B dye in aqueous medium

M Saeed, M Muneer, N Mumtaz, M Siddique… - Chinese journal of …, 2018 - Elsevier
Synthesis, characterization of Co 3 O 4 and Ag-Co 3 O 4 composites and evaluation of their
photo-catalytic activities towards photo-degradation of aqueous solution of rhodamine B dye …