Hossein Ajamein

ORCID: 0000-0002-0768-2214
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Research Areas
  • Catalytic Processes in Materials Science
  • Catalysts for Methane Reforming
  • Catalysis and Oxidation Reactions
  • Catalysis and Hydrodesulfurization Studies
  • Copper-based nanomaterials and applications
  • Nanomaterials for catalytic reactions
  • Nanoparticle-Based Drug Delivery
  • Biodiesel Production and Applications
  • Polyoxometalates: Synthesis and Applications
  • TiO2 Photocatalysis and Solar Cells
  • Advanced Photocatalysis Techniques
  • Electrocatalysts for Energy Conversion
  • Gas Sensing Nanomaterials and Sensors
  • Iron oxide chemistry and applications
  • Characterization and Applications of Magnetic Nanoparticles
  • Advanced Drug Delivery Systems
  • Polymer Surface Interaction Studies
  • Catalysis for Biomass Conversion
  • Zeolite Catalysis and Synthesis

Academic Center for Education, Culture and Research
2023

Sahand University of Technology
2014-2020

Islamic Azad University of Khomeynishahr
2016

University of Tabriz
2016

Islamic Azad University, Tehran
2016

University of Sistan and Baluchestan
2011-2014

In this research the effects of synthesis method and CeO<sub>2</sub> ZrO<sub>2</sub> promoters were studied in steam reforming methanol over a CuO/ZnO/Al<sub>2</sub>O<sub>3</sub> nanocatalyst. Addition reduces CO selectivity, while is more effective.

10.1039/c6ra03858a article EN RSC Advances 2016-01-01

Fuel cell-grade hydrogen production has been studied via steam reforming of methanol (SRM) over a series CuO/ZnO/Al2O3 nanocatalysts fabricated by the combustion method. The effect sonication and urea/nitrate ratio on characteristics catalytic properties prepared catalysts investigated. synthesized were characterized x-ray diffraction (XRD), field emission scanning electron microscope (FESEM), Particle Size Distribution (PSD), energy dispersive (EDX), Brunauer-Emmett-Teller (BET) FTIR...

10.1080/02726351.2016.1241846 article EN Particulate Science And Technology 2016-10-18

A number of CaxMg1-xAl2O4 supports with different amounts calcium were synthesized by the solution combustion method. Then, oxide was placed on support impregnation The catalysts evaluated various physico-chemical analyzes, and their catalytic performance in a biodiesel production system probed. results showed that addition to could improve physicochemical properties. conversion 93.3% obtained using optimum catalyst (CaO/Ca0.2Mg0.8Al2O4) at conditions 100°C, 12 molar ratio methanol oil, 3...

10.1080/15435075.2023.2214617 article EN International Journal of Green Energy 2023-05-15

The urea-nitrate combustion and homogeneous precipitation methods have been comparatively examined for the preparation of CuO/CeO2/ZrO2/Al2O3 catalysts. Their physicochemical properties, as well their hydrogen production ability via steam reforming methanol, studied. Prepared catalysts were characterized using XRD, FESEM, EDX, BET, FTIR analyses. Characterization analyses catalytic performance studies showed that method plays an important role in synthesis XRD analysis can prepare catalyst...

10.1080/02726351.2018.1455778 article EN Particulate Science And Technology 2020-04-15

Steam reforming of methanol is one the promising processes for on-board hydrogen production used in fuel cell applications. Due to time and energy consuming issues associated with conventional synthesis methods, this paper a quick, facile, effective microwave-assisted solution combustion method was applied fabrication copper-based nanocatalysts convert hydrogen. For purpose, series different sorbitol/nitrates ratios were synthesized by method. Their physicochemical properties studied XRD,...

10.22104/ijhfc.2015.265 article EN Iranian Journal of Hydrogen & Fuel Cell 2015-11-01

In Fischer-Tropsch Synthesis, because of few reactants (<TEX>$H_2$</TEX>, CO), scarce operating parameters affected on efficiency especially the selectivity products. this research, effect Co-Mn-<TEX>$TiO_2$</TEX> synthesis catalyst were studied by design experimental procedure and Taguchi method. According to interactions between factors have a crucial light products selectivity. Among these interactions, (temperature<TEX>${\times}$</TEX>feed ratio) has main influence hydrocarbons It was...

10.5012/jkcs.2011.55.5.824 article EN Journal of the Korean Chemical Society 2011-10-20
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