Results 81 to 90 of about 38,396 (204)

Síntese e caracterização de misturas de óxidos AIO3-MgO para aplicação em catálise na degradação de ésteres de fosfato [PDF]

, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2013A proposta deste trabalho está enfocada no preparo e caracterização de catalisadores na forma de
Zimmermann, Lizandra Maria
core  

Solid-State Reaction Synthesis of MgAl₂O₄ Spinel from MgO-Al₂O₃ Composite Particles Prepared via Electrostatic Adsorption. [PDF]

ACS Omega, 2023
Tran AT, Tran VT, Nguyet NTM, Luong AT, Le TV, Phuc NHH.   +5 more
europepmc   +1 more source

Catalytic Pyrolysis of Naphtha on SHS Catalysts

Eurasian Chemico-Technological Journal, 2010
High yield of light olefins by catalytic pyrolysis of naphtha on spinel-based catalysts is reported. The yields of ethylene and propylene reach over 50% and are at least 10% and 5% higher respectively than the yield using thermal Pyrolysis, under the ...
G. Xanthopoulou, G. Vekinis
doaj   +1 more source

3D Printing of MgAl₂O₄ Spinel Mesh and Densification Through Pressure-Less Sintering and Hot Isostatic Pressing. [PDF]

3D Print Addit Manuf, 2022
Adumbumkulath A, Shin C, Acharya GS, Biswas P, Sirisala M, Johnson R, Gade P.   +6 more
europepmc   +1 more source

Effects of Mg2+ concentration on the structure and optical properties of MgxAl2O3+x:0.88% Cd2+ (0.25 ≤ x ≤ 4.5) nano-powders synthesized via citrate sol-gel

Results in Physics, 2017
Un-doped (Mg1.5Al2O4.5) and 0.88% Cd2+ doped MgxAl2O3+x nano-powders were synthesized via citrate sol-gel method. The Mgx concentration was varied in the range of 0.25 ≤ x ≤ 4.5.
V.M. Maphiri, F.B. Dejene, S.V. Motloung
doaj   +1 more source

Stability and complete regeneration of a Ni/MgAl2O4 catalyst in combined steam/dry reforming of raw bio-oil

Journal of CO2 Utilization
The combined steam and dry reforming (CSDR) of bio-oil (the liquid product from biomass pyrolysis) represents an attractive pathway for CO2 valorization along with sustainable syngas production.
Aingeru Remiro, Leire Landa, José Valecillos, Sergio Iglesias-Vázquez, Javier Bilbao, Ana G. Gayubo   +5 more
doaj   +1 more source

Structural and optical properties of Eu3+-activated MgAl2O4 for red-emitting phosphor applications

Discover Chemistry
Magnesium aluminate (MgAl2O4) nanophosphor doped with 10 wt% europium (Eu3+) was successfully synthesized via the sol-gel technique. X-ray diffraction analysis confirmed the formation of a single-phase cubic spinel structure, with an average crystallite ...
V. T. Jisha, S. Sneha Jeeval, R. Meenakshi, S. D. Binitha   +3 more
doaj   +1 more source

Microstructural and Optical Properties of MgAl₂O₄ Spinel: Effects of Mechanical Activation, Y₂O₃ and Graphene Additions. [PDF]

Materials (Basel), 2021
Obradovic N, Fahrenholtz WG, Corlett C, Filipovic S, Nikolic M, Marinkovic BA, Failla S, Sciti D, Di Rosa D, Sani E.   +9 more
europepmc   +1 more source

Using positron annihilation spectroscopy for the control of humidity-sensitive processes in nanoporous MgAl2O4 ceramics

Технологія та конструювання в електронній апаратурі, 2006
Nanoporous spinel‑type MgAl2O4 ceramics sintered at 1100 and 1400 °C, considered as promising materials for humidity sensors, were investigated using positron annihilation lifetime spectroscopy (PALS). It is demonstrated that PALS can be applied to study
H. I. Klym, A. Ingram, I. V. Hadzaman, O. I. Shpotyuk, M. M. Vakiv, O. I. Shpotyuk   +5 more
doaj  

Synthesis and evaluation of MgAl2O4 oxide for propane (C3H8) gas sensing under static and dynamic atmospheres

Results in Physics
This research studies the potential application of MgAl2O4 oxide as a C3H8 sensor. The material was synthesized using a microwave-assisted wet chemistry method, with heat treatment at 800 °C.
Lucía Ivonne Juárez Amador, Jorge Alberto Ramírez Ortega, Héctor Guillén Bonilla, José Trinidad Guillén-Bonilla, Alex Guillén-Bonilla, Antonio Casillas Zamora, Juan Pablo Morán Lázaro, Emilio Huizar Padilla, Y.L. Casallas-Moreno   +8 more
doaj   +1 more source