Jalil Vahdati Khaki
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View article: The Solution Combustion Synthesis of ZnO Nanoparticles Using Allium schoenoprasum (Chives) as a Green Fuel
The Solution Combustion Synthesis of ZnO Nanoparticles Using Allium schoenoprasum (Chives) as a Green Fuel Open
Zinc oxide (ZnO) nanoparticles are widely recognized for their distinctive properties and versatile applications across diverse technological domains. However, traditional methods of synthesizing ZnO nanoparticles are characterized by envi…
View article: Extraction and preconcentration of parabens in liquid pharmaceutical samples by Dispersive Liquid-Liquid Microextraction based on deep eutectic solvent
Extraction and preconcentration of parabens in liquid pharmaceutical samples by Dispersive Liquid-Liquid Microextraction based on deep eutectic solvent Open
In this paper dispersive liquid-liquid microextraction using deep eutectic solvent, as one of extraction solvent was considered for preconcentration and determination of parabens in liquid pharmaceutical samples. Deep eutectic solvent (DES…
View article: Preparation of Porous Alumina/Nano-Nickel Composite by Gel Casting and Carbothermic Reduction
Preparation of Porous Alumina/Nano-Nickel Composite by Gel Casting and Carbothermic Reduction Open
Gel casting, carbothermic reduction, and sintering were used to make a porous alumina-based body containing nickel nano-particles. Effects of dispersant (Tri polyphosphate sodium) amount on gel viscosity, mechanical activation of raw mater…
View article: A New Approach in Solid State Steelmaking from Thin Cast Iron Sheets through Decarburization in CaCO<sub>3</sub> Pack
A New Approach in Solid State Steelmaking from Thin Cast Iron Sheets through Decarburization in CaCO<sub>3</sub> Pack Open
In the solid state steelmaking process used in recent researches, pig iron was directly casted and then decarburized in an oxidizing atmosphere in order to eliminate or reduce the amount of carbon. In the present study, the feasibility of …
View article: Mechanism of Nanostructured Fluorapatite Formation from CaO, CaF<sub>2</sub> and P<sub>2</sub>O<sub>5</sub> Precursors by Mechanochemical Synthesis
Mechanism of Nanostructured Fluorapatite Formation from CaO, CaF<sub>2</sub> and P<sub>2</sub>O<sub>5</sub> Precursors by Mechanochemical Synthesis Open
We determined the mechanism of mechanochemical synthesis of fluorapatite from CaO, CaF 2 and P 2 O 5 by characterisation of the intermediate compounds. We used atomic absorption spectroscopy, X-ray diffraction, field emission scanning elec…
View article: Effect of Cu2+ ion on Biological Performance of Nanostructured Fluorapatite Doped with Copper
Effect of Cu2+ ion on Biological Performance of Nanostructured Fluorapatite Doped with Copper Open
Nanostructured copper-doped fluorapatite (Cux.Ca(10-x).(PO4)6.F2) having crystallite sizes of 19, 29 and 34 nm at x = 0.9, 0.4 and 0.0, respectively, was synthesized by planetary ball milling of CaO, P2O5, CaF2 and CuO powders. Specificati…
View article: A study on carbon nanotubes/nanofibers production via SHS method in C-Al-Fe2O3 system
A study on carbon nanotubes/nanofibers production via SHS method in C-Al-Fe2O3 system Open
View article: RECOVERY OF IRON FROM LOW-GRADE HEMATITE ORE USING COAL-BASED DIRECT REDUCTION FOLLOWED BY MAGNETIC SEPARATION
RECOVERY OF IRON FROM LOW-GRADE HEMATITE ORE USING COAL-BASED DIRECT REDUCTION FOLLOWED BY MAGNETIC SEPARATION Open
In the present work, iron recovery from a low-grade hematite ore (containing less than 40% iron), which is not applicable in common methods of ironmaking, was studied. Non-coking coal was used as reducing agent. Reduction experiments were …
View article: The decoration of multi-walled carbon nanotubes with nickel oxide nanoparticles using chemical method
The decoration of multi-walled carbon nanotubes with nickel oxide nanoparticles using chemical method Open
In this paper, nickel oxide (NiO) nanoparticles have been fabricated using wet method and deposited on the surface of multi-walled carbon nanotube (MWCNT). To do so, functional groups were introduced on the surface of MWCNTs by treating wi…
View article: The effect of volatile matter of non-coking coal on the reduction of iron oxide at non-isothermal condition
The effect of volatile matter of non-coking coal on the reduction of iron oxide at non-isothermal condition Open
View article: A study on the dependence of structure of multi-walled carbon nanotubes on acid treatment
A study on the dependence of structure of multi-walled carbon nanotubes on acid treatment Open
In the current research, the role of both concentrated nitric acid and ultrasound waves on oxidation of multi-walled carbon nanotubes (MWNTs) was studied. The functionalized MWCNTs were characterized by transmission electron microscopy (TE…
View article: Facile synthesis of copper oxide nanoparticles using copper hydroxide by mechanochemical process
Facile synthesis of copper oxide nanoparticles using copper hydroxide by mechanochemical process Open
A facile mechanochemical-based method for synthesis of copper oxide (CuO) nanoparticles is here by introduced. For this purpose, copper hydroxide powder was synthesized through a facile solution method (CuSO4 + 2 Na(OH) → Cu(OH)2 + Na2SO4)…
View article: Mechanochemical Synthesis of Fe2O3 Nanoparticles
Mechanochemical Synthesis of Fe2O3 Nanoparticles Open
In this work, formation of iron oxide nanoparticles by mechanochemical reactions in different milling times was studied. During the mechanical milling, the solid-state displacement reaction of 3Na2CO3 + 2FeCl3.6H2O = 6NaCl + Fe2O3.6H2O + 3…
View article: Investigating the Effect of Mechanical Activation Parameters on Structural Changes and Leaching Rate of Molybdenite Concentrate
Investigating the Effect of Mechanical Activation Parameters on Structural Changes and Leaching Rate of Molybdenite Concentrate Open
In this research, mechanical activation (MA) was employed for leaching rate improvement of molybdenite concentrate in nitric acid media. These experiments were performed in two groups: with and without aluminum oxide (alumina). A full fact…