نتایج جستجو برای: alpo4 5
تعداد نتایج: 1215876 فیلتر نتایج به سال:
Aluminophosphate-5 (AlPO4-5) nano-pore zeolite was synthesized. The effect of alteration in precursor gel preparation on the morphology of zeolite was studied. The effect of variety of synthesis conditions on the purity, crystal and pore size, and crystallinity of AlPO4-5 zeolite been studied. A hydrothermal synthesis has been used to produce nano-pore Aluminophosphate-5 c...
Aluminophosphate-5 (AlPO4-5) nano-pore zeolite was synthesized. The effect of alteration in precursor gel preparation on the morphology of zeolite was studied. The effect of variety of synthesis conditions on the purity, crystal and pore size, and crystallinity of AlPO4-5 zeolite been studied. A hydrothermal synthesis has been used to produce nano-pore Aluminophosphate-5 c...
Helium at low temperatures has unique quantum properties such as superfluidity, which causes it to behave differently from a classical fluid. Despite our deep understanding of quantum mechanics, there are many open questions concerning the properties of quantum fluids in nanoscale systems. Herein, the quantum behavior of helium transportation through one-dimensional nanopores was evaluated by m...
AlPO4 solid acid catalyst was prepared in order to use it transesterification reaction of edible oil after supporting with tungsten oxide. The maximum conversion obtained 78.78% at concentration (5gm.), temperature 70°Ϲ, 30/1 methanol/edible molar ratio, and time 5hr. study kinetics the indicates that has an 3/2, while value activation energy for is 51.367 kJ/mole frequency factor equal 26219.1...
An innovative approach using solid/liquid interface characterization (zetametry measurements, ATR-IR), coupled with ex situ FTIR has been used to build a phosphate complexation model at the alumina surface via PHREEQC software. According phosphorus coverage impregnated on surface, two mechanisms of adsorption have identified: specific complex adsorbed predominant facet and precipitation process...
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