نتایج جستجو برای: nial2o4

تعداد نتایج: 64  

Journal: :Catalysts 2022

The worldwide increase in demand for environmentally friendly energy has led to the intensification of work on synthesis H2-containing fuel. dry reforming methane become one most important avenues research since consumption two greenhouse gases reduces rate global warming. A study NiAl composite materials as catalysts been carried out. Self-propagating high-temperature (SHS) used produce cataly...

Journal: :Catalysts 2022

A morphological strategy consisting of nanocasting synthesis nickel aluminate spinel precursor was addressed. Two nanocasted catalysts were synthesized involving different template-removal procedures (i.e., Teflon-assisted calcination vs. NaOH washing) for recovery. As a reference, NiAl2O4 supported by SBA-15 and bare selected. The obtained solids characterized in detail, examining their textur...

Novel metal oxides have been studied worldwide due to their potential uses in ecological refinement, particularly to eliminate organic impurities present in water. In this work, we report the preparation of Ni1-xCoxAl2O4-δ (where x=0, 0.05, 0.10, 0.15 and 0.20) nanoparticles by simple chemical precipitation route. The as-synthesized spinel particles w...

Journal: :JACS Au 2023

Lignocellulosic biomass is one of the most well-studied and promising green carbon sources. The fullest utilization lignocellulosic in hydrogen-free mild conditions to produce phenolic monomers while preserving cellulose-rich pulps challenging has far-reaching significance. Here, we report an innovative strategy convert into lignin oils without exogenous hydrogen under over a Pt/NiAl2O4 catalys...

Journal: :International Journal of Hydrogen Energy 2023

Syngas production via dry reforming of methane was conducted over 5 wt%Ni + xWO3/γ-Al2O3 (x = 1, 3, 5, 7, or 9 wt%) catalysts at 700 °C and ambient pressure for 7.5 h in a tubular fixed-bed reactor. Textural, morphological, catalytic properties were investigated relation to the weight percent tungsten trioxide loading. The physicochemical evaluated using XRD, N2-physisorption, TGA, H2-TPR, CO2-...

Journal: :Fuel 2022

The catalyst stability, mainly affected by coke deposition, remains being a challenge for the development of sustainable process hydrogen production steam reforming (SR) bio-oil. In this work, influence oxygenates composition in bio-oil on deactivation NiAl2O4 spinel derived has been approached studying SR wide range model with different functionalities, including acetic acid, acetone, ethanol,...

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