نتایج جستجو برای: NPs Response Surface Methodology Isotherm Kinetic

تعداد نتایج: 1847254  

2017
MOHAMMAD REZA PARVIZI

The applicability of TiO 2 nanoparticles (TiO 2 -NPs-AC) for removing Disulfine Blue (DSB) and Methyl Orange (MO) from aqueous solutions has been reported.The influence of nanoparticle loaded on activated carbon (TiO 2 -NPs-AC) dosage, pH of the sample solution, individual dye concentration, contact time between the sample and the adsorbent were studied by central composite design(CCD) under re...

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Zinc hydroxide chloride nanostructure was successfully synthesized through a simple method at low temperature by sonochemical process. The morphology and crystalline of the products were analyzed by XRD, FESEM and TEM. The effect of independent variables including contact time, solution pH, adsorbent dosage and the concentration of dyes on response performance with response to surface methodolo...

Journal: Journal of Nanoanalysis 2020

Deleterious effect of high concentration fluoride in water resources on the healthof human. The MgO supported Fe-Co-Mn nanoparticles were produced via coprecipitationmethod and characterized by SEM and FTIR techniques. In the work,the adsorption process optimization was performed by response surface modelingwith the help of Minitab 16 software. The effect of independent ...

The present research describes the performance of NiO NPs/Ag-clinoptilolite composite adsorbent for the removal of uranium (U(VI)) ions from drinking water of Dezful city-Iran. Prior to the experiment reactions, Na-clinoptilolite was chemically treated with NaCl, Silver ions (Ag+) and subsequently Nickel (NiO) NPs to prepare NiO NPs/Ag-clinoptilolite. The samples were characterized by SEM, AAS,...

Journal: :Archives of Hygiene Sciences 2021

‎Application of Box-Behnken Design and Response Surface Methodology Acid Red 18 Adsorption onto PAC‎ (Synthesized Carrot Waste) Coated with Fe3O4 Nanoparticles from Aquatic Solution: Kinetic Isotherm Studies

The present research describes the performance of NiO NPs/Ag-clinoptilolite composite adsorbent for the removal of uranium (U(VI)) ions from drinking water of Dezful city-Iran. Prior to the experiment reactions, Na-clinoptilolite was chemically treated with NaCl, Silver ions (Ag+) and subsequently Nickel (NiO) NPs to prepare NiO NPs/Ag-clinoptilolite. The samples were characterized by SEM, AAS,...

Journal: :iranian journal of optimization 2009
mohammad taleghani

there have been many productive methods developed so far for optimization of multiple response surface (mrs) problems. this paper tends to review the most seminal approaches in mrs and discuss the strength and weakness of each of the approaches through existing aspects in mrs. a numerical example is included to compare results by different methods. finally some of the prominent areas for future...

آذری, علی, احمدی, احسان, ترک شوند, زهرا, غلامی, میترا , کاکاوندی, بابک, یاری, احمد رضا,

Abstract Background and purpose: Increasing industrial activities and the subsequent discharge of untreated wastewater containing dye to aqueous environment can cause problems such as reducing the sun light penetration, creating anaerobic conditions, allergy and cancer. Adsorption is considered as one of the most efficient and effective methods for dye removal. The aim of this study was to m...

Raziyeh Zandipak, Soheil Sobhanardakani

In this study, NiFe2O4 nanoparticles (NiFe2O4 NPs) were prepared through co-precipitation method and subsequently used for the removal of Co(II) ions from aqueous solutions. The NiFe2O4 NPs were characterized by transmission electron microscopy (TEM), X-ray diffraction spectrometry (XRD), and Brunauer-Emmett-Teller (BET) surface area analysis. In batch tests, the effects of variables such as pH...

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