Sharif Digital Repository

Process optimization and modeling of heavy metals extraction from a molybdenum rich spent catalyst by aspergillus niger using response surface methodology

Author

Mafi Gholami, R.

Pub. Year

2012

Subjects

Heavy metals recovery. / Molybdenum-rich spent catalyst. / Process optimization. / Aspergillus niger. / Batch culture. / Central composite designs. / Design and analysis. / In-process. / Maximal values. / Ni recovery. / Niger. / Oil refineries. / One-step process. / Pulp density. / Refinery catalysts. / Response Surface Methodology. / Response surface methodology (RSM) / Rotation speed. / Spent catalyst. / Aspergillus. / Batch cell culture. / Bioleaching. / Catalysts. / Experiments. / Heavy metals. / Mathematical models. / Metal recovery. / Metals. / Molybdenum. / Petroleum refineries. / Process control. / Rotation. / Surface properties. / Optimization.

Heavy metals recovery from spent catalyst using acidithiobacillus ferrooxidans and acidithiobacillus thiooxidans

Author

Mafi Gholami, R.

Pub. Year

2010

Subjects

Heavy metals. / Spent catalyst. / Acidithiobacillus ferrooxidans. / Acidithiobacillus thiooxidans. / Batch culture. / Cell concentrations. / Ferric iron. / Ferrooxidans. / Growth characteristic. / ICP-OES. / Inductive coupled plasma. / Metal values. / Oil refineries. / Recycled products. / Removal efficiencies. / Spent catalyst. / Batch cell culture. / Bioleaching. / Catalysts. / Cell culture. / Cobalt. / Extraction. / Heavy metals. / Iron. / Metals. / Optical emission spectroscopy. / Petroleum refineries. / Removal. / Metal recovery.

Determine oil content in petroleum waxes

Author

Mafi, M.

Pub. Year

2006

Regression test selection in test-driven development

Author

Mafi, Z.

Pub. Year

2024

Subjects

Program differencing. / Regression test. / Software testing. / Test-driven development (TDD) / Fault detection. / Iterative methods. / Regression analysis. / Change detection. / Regression test selection. / Regression tests. / Segmentation. / Software testings. / Test case. / Test driven development. / Test execution.

Strategies for improving MDA-based development processes

Author

Fahmideh Gholami, M.

Pub. Year

2010

Subjects

Model-Driven Architecture (MDA) / Model-Driven Engineering (MDE) / Development process. / Development tools. / Executable codes. / High level of abstraction. / Model driven architectures. / Model-driven architecture. / Model-driven engineering. / Potential solutions. / Problem domain. / Software development. / SWOT analysis. / System development. / Embedded systems. / Intelligent systems. / Software design. / Strategic planning. / Software architecture.

Physical and hydraulic properties of a new spring packing

Author

Mafi, M.

Pub. Year

2006

Subjects

Absorption. / Correlation theory. / Hydraulic control equipment. / Physical properties. / Pressure drop. / Stainless steel. / Flooding points. / Loading points. / Spring packing. / Springs (components)

Solvatochromic probes absorbance behavior in mixtures of 2-hydroxy ethylammonium formate with methanol, ethylene glycol and glycerol

Author

Salari, H.

Pub. Year

2010

Subjects

2-Hydroxy ethylammonium formate. / Ionic liquids. / Solute-solvent and solvent-solvent interactions. / Solvatochromic properties.

Reaction kinetics investigation of 1-fluoro-2,4-dinitrobenzene with substituted anilines in ethyl acetate-methanol mixtures using linear and nonlinear free energy relationships

Author

Jamali Paghaleh, J.

Pub. Year

2011

Subjects

Aromatic nucleophilic substitution reaction. / Hammett equation. / Preferential solvation. / Solvent effects. / Solvent-solvent interactions. / Aniline. / Aromatic compounds. / Free energy. / Investments. / Methanol. / Mixtures. / Rate constants. / Solvation. / Solvents. / Substitution reactions. / Volatile fatty acids. / Reaction kinetics.

The effect of multiwalled carbon nanotubes and activated carbon on the morphology and photocatalytic activity of TiO2/C hybrid materials

Author

Zarezade, M.

Pub. Year

2011

Subjects

Adsorption/desorption. / Diffuse reflectance spectroscopy. / Dye solutions. / Photocatalytic activities. / Scanning electrons. / Sol-gel methods. / TiO. / Ultrasonic irradiation. / UV illuminations. / Activated carbon. / Agglomeration. / Calcination. / Chemical oxygen demand. / Hybrid materials. / Morphology. / Nanoparticles. / Oxide minerals. / Oxygen. / Photocatalysis. / Scanning electron microscopy. / Sol-gel process. / Spectroscopy. / Titanium dioxide. / Transmission electron microscopy. / X ray diffraction. / Multiwalled carbon nanotubes (MWCN)

Ag3PO4/BiPO4 p-n heterojunction nanocomposite prepared in room-temperature ionic liquid medium with improved photocatalytic activity

Author

Mohaghegh, N.

Publisher

Elsevier Ltd,

Pub. Year

2015

Subjects

Ag3PO4/BiPO4 nanocomposite. / P-n heterojunction. / Reactive Blue 21. / Room-temperature ionic liquid. / Complexation. / Electric fields. / Ionic liquids. / Light. / Liquids. / Nanocomposites. / Photocatalysts. / Semiconductor junctions. / Silver. / Heterojunction interfaces. / Hydrothermal process. / Internal electric fields. / P-n heterojunctions. / Photocatalytic activities. / Reactive blues. / Room temperature ionic liquids. / UV-light irradiation. / Heterojunctions.

Theoretical study of protic solvents hydrogen bonding effect, on the reaction of cyclopentadiene and vinyl acetate; apart from the bulk properties

Author

Irani, M.

Pub. Year

2009

Subjects

DFT. / Diels-alder. / Hydrogen bonding. / Monte carlo. / Solvent effects.

Supported PtxPd1-x bimetallic nanoparticles on ionic liquid-functionalized SiO2@graphene oxide nanocomposite and its application as an effective multiphasic catalyst

Author

Kohantorabi, M.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Cyclohexene oxidation. / Multiphasic catalyst. / PtPd bimetallic nanoparticles. / Atomic emission spectroscopy. / Binary alloys. / Catalyst activity. / Graphene. / Hydrogen bonds. / Ionic liquids. / Molecular oxygen. / Nanocomposites. / Nanoparticles. / Olefins. / Palladium alloys. / Platinum alloys. / Reaction intermediates. / Reaction kinetics. / Silica. / Silicon alloys. / SiO2 nanoparticles. / Stabilization. / Synthesis (chemical) / 1-Butyl-3-methyl-imidazolium hexafluorophosphate. / Bimetallic nanoparticles. / Experimental conditions. / Graphene oxide nanocomposites. / Heterogeneous catalyst. / Heterogeneous catalytic systems. / Hydrogen bond acceptors. / Catalyst selectivity.

Zeolitic imidazolate framework-derived Ag/C/ZnO for rapid reduction of organic pollutant

Author

Falamarzi, M.

Publisher

Springer Verlag,

Pub. Year

2019

Subjects

Ag/C/ZnO. / Metal–organic frameworks. / Organic dyes. / P-nitrophenol. / Reduction reaction.

Visible light photocatalytic performance of Ag2O/ZnCr-LDH nanocomposite

Author

Akbarzadeh, E.

Publisher

Elsevier B.V,

Pub. Year

2020

Subjects

Acid Black. / Ag2O/ZnCr-LDH nanocomposite. / Degradation. / Layered double hydroxide. / Photocatalyst. / Nanocomposites. / Organic pollutants. / Photocatalytic activity. / Precipitation (chemical) / Silver oxides. / Zinc compounds. / Anion exchange. / Effective charge. / Enhanced surface. / Microscopic methods. / Photo-catalytic. / Photocatalytic performance. / Visible light. / Chromium compounds.

Au and Pt nanoparticles supported on Ni promoted MoS2 as efficient catalysts for p-nitrophenol reduction

Author

Akbarzadeh, E.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Catalytic reduction. / Ni promoted MoS2. / Noble metal nanoparticles. / P-nitrophenol.

Synthesis of M/CuO (M = Ag, Au) from Cu based metal organic frameworks for efficient catalytic reduction of p-nitrophenol

Author

Akbarzadeh, E.

Pub. Year

2017

Subjects

CuO. / Metal organic frameworks. / Noble metal nanoparticles. / Copper oxides. / Gold. / Metals. / Nanoparticles. / Organometallics. / Phenols. / Precious metals. / Silver. / Catalytic performance. / Catalytic reduction. / Efficient catalysts. / Metal organic framework. / Metal oxide nanomaterials. / Metalorganic frameworks (MOFs) / P-nitrophenol. / Reduction reaction. / Metal nanoparticles.

Theoretical study of solvent and substituent effects on the reactions of 1,4-benzoquinone with cyclopentadiene and cyclohexadiene

Author

Haqghu, M.

Pub. Year

2008

Subjects

Charge transfer. / Chemical reactions. / Hydrocarbons. / Ion exchange. / Olefins. / Potential energy. / Quantum theory. / Solvents. / Ab initio. / Benzoquinone. / Carbon atoms. / Cyclohexadiene. / Cyclopentadiene. / Diels-Alder reaction. / Dienophile. / Methyl groups. / Number of electrons. / Oniom. / Quantum mechanics. / Solvent effects. / Substituent effects. / Tetrahydrofuran. / Transition states. / Water solvents. / Organic solvents.

Theoretical study of kinetics and mechanism of reactions of hydroxylamine and amineoxide anion with methyl iodide in gas and aqueous phases

Author

Haqghu, M.

Publisher

Science Reviews Ltd,

Pub. Year

2007

Subjects

Computer simulation. / Hydroxylation. / Monte Carlo methods. / Solutions. / Bimolecular nucleophilic displacement. / Methyl iodide. / Rate coefficient. / Water molecules. / Reaction kinetics.