Sharif Digital Repository

Experimental modeling and uncertainty analysis of dispersed phase holdup at flooding in a pulsed disc-doughnut column, case study: Response surface methodology and Monte-Carlo simulation

Author

Shakib, B.

Publisher

Elsevier Ltd,

Pub. Year

2021

Subjects

Extraction. / Intelligent systems. / Monte Carlo methods. / Phase velocity. / Surface properties. / Uncertainty analysis. / Aqueous phasis. / Condition. / Disk and doughnut structure. / Dispersed phase hold-up. / Flooding condition. / Floodings. / Organic phase. / Pulse intensity. / Pulsed extraction column. / Response-surface methodology. / Floods.

Extraction of molybdenum (VI) and vanadium (V) from nitrate solutions using coupling of acid and solvating extractants

Author

Shakib, B.

Publisher

Materials and Energy Research Center,

Pub. Year

2019

Subjects

Coupling Extractants. / Molybdenum. / Separation Factor. / Solvent Extraction. / Vanadium. / Ammonium hydroxide. / Kerosene. / Mixtures. / Nitrates. / PH. / Solvents. / Vanadium compounds. / Extractants. / Nitrate solutions. / Separation factors. / Solvating extractants. / Solvent extraction methods. / Synergism. / Synergistic mixtures. / Synergistic solvent extraction. / Molybdenum compounds.

Mass transfer coefficients of extracting Mo (VI) and W (VI) in a stirred tank by solvent extraction using mixture of Cyanex272 and D2EHPA

Author

Shakib, B.

Publisher

Taylor and Francis Inc,

Pub. Year

2019

Subjects

Mass transfer coefficient. / Mean drop diameter. / Molybdenum. / Solvent extraction. / Ammonium hydroxide. / Molybdenum compounds. / Sulfur compounds. / Tanks (containers) / Tungsten. / Tungsten compounds. / Batch experiments. / Continuous phase. / Dimensionless number. / Drop diameters. / Liquid-liquid systems. / Molybdenum and tungsten. / Reactive extraction. / Sulfate solutions. / Mass transfer.

Mass transfer coefficients of extracting Mo (VI) and W (VI) in a stirred tank by solvent extraction using mixture of Cyanex272 and D2EHPA

Author

Shakib, B.

Publisher

Bellwether Publishing, Ltd,

Pub. Year

2020

Subjects

Mass transfer coefficient. / Mean drop diameter. / Tungsten. / Ammonium hydroxide. / Molybdenum. / Molybdenum compounds. / Tanks (containers) / Tungsten compounds. / Batch experiments. / Continuous phase. / Dimensionless number. / Drop diameters. / Liquid-liquid systems. / Molybdenum and tungsten. / Reactive extraction. / Sulfate solutions. / Mass transfer. / Solvent extraction.

Revealing mass transfer and hydrodynamic effects in a PRDC column by using the integration of extraction and separation for molybdenum and tungsten ions from aqueous solution

Author

Shakib, B.

Publisher

Springer,

Pub. Year

2020

Subjects

Chemical reaction. / Hydrodynamic characteristics. / Mass transfer data. / Molybdenum and tungsten. / PRDC column.

Mass transfer evaluation in a multi-impeller extractor for reactive Mo (VI) extraction from aqueous Sulphate solution by utilizing coupling of acid and solvating Extractants

Author

Shakib, B.

Publisher

Springer,

Pub. Year

2020

Subjects

Chemical reaction. / Molybdenum. / Solvating Extractant. / Chemical reactions. / Forecasting. / Impellers. / Molybdenum compounds. / Phase velocity. / Solvent extraction. / Sulfur compounds. / Velocity. / Bench scale experiments. / Chemical reaction systems. / Enhancement factor. / Extractants. / Mass transfer performance. / Overall mass transfer coefficient. / Solvent-extraction process. / Synergistic solvent extraction. / Mass transfer.

Exact hydrodynamic description of pilot plant Oldshue-Rushton contactor: a case study with the introduction of selenium and tellurium into reaction system

Author

Shakib, B.

Publisher

Taylor and Francis Ltd,

Pub. Year

2020

Subjects

Chemical reaction. / Oldshue-Rushton column. / Selenium and tellurium. / Solvent Extraction. / Chlorine compounds. / Distribution functions. / Drops. / Extraction. / Hydrodynamics. / Phase velocity. / Pilot plants. / Selenium compounds. / Size distribution. / Velocity. / Chemical reaction systems. / Dispersed phase hold-up. / Drop size distribution. / Hydrodynamic description. / Hydrodynamic parameters. / Operating parameters. / Operating variables. / Operational parameters. / Tellurium compounds.

Mass transfer studies in RDC column by the coupling effects of perforated structure and reactive extraction of Mo(VI) and W(VI) from sulfate solution

Author

Shakib, B.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Chemical reaction. / Enhancement factor. / Molybdenum and tungsten. / Rotating disc contactor. / Slip and characteristic velocities. / Ammonium hydroxide. / Complexation. / Data mining. / Mass transfer. / Solvent extraction. / Solvents. / Sulfur compounds. / Tungsten compounds. / Characteristic velocities. / Dimensionless analysis. / Distribution coefficient. / Extractant concentration. / Hydroxide concentration. / Mass transfer performance. / Molybdenum compounds.

The performance of pulsed scale-up column for permeable of selenium and tellurium ions to organic phase, case study: Disc and doughnut structure

Author

Shakib, B.

Publisher

Elsevier B.V,

Pub. Year

2020

Subjects

Axial diffusion model. / Doughnut column. / Hydrodynamic parameters. / Mass transfer coefficient. / Pulsed disc. / Solvent extraction. / Extraction. / Phase velocity. / Selenium. / Tellurium. / Tellurium compounds. / Velocity. / Characteristic velocities. / Column performance. / Dispersed phase hold-up. / Hydrochloric acid medium. / Mass transfer rate. / Operating condition. / Overall mass transfer coefficient. / Reactive extraction. / Mass transfer.

Direct extraction of Mo(VI) from sulfate solution by synergistic extractants in the rotation column

Author

Shakib, B.

Publisher

Chemical Industry Press,

Pub. Year

2020

Subjects

Extractant. / Rotation column. / Synergistic. / Drops. / Molybdenum. / Rotation. / Solvent extraction. / Sulfur compounds. / Bench scale experiments. / Characteristic velocities. / Direct extraction. / Extractant concentration. / Extractants. / Extraction efficiencies. / Molybdenum compounds.

Enhancing the vanadium extraction performance using synergistic mixtures of d2ehpa and tbp in rdc column with the perforated structure; case study: evaluation probability density functions

Author

Shakib, B.

Publisher

Elsevier B.V,

Pub. Year

2021

Subjects

Drops. / Intelligent systems. / Mixtures. / Probability density function. / Probability distributions. / Rotating disks. / Sulfur compounds. / Uncertainty analysis. / Agitation rates. / Di(2-ethylhexyl)phosphoric acid. / Di-2-ethylhexyl phosphoric acids. / Drop size. / Drop size distribution. / Modified RDC column. / Monte Carlo's simulation. / Response-surface methodology. / Tri-butyl phosphate. / Vanadium(V) extraction. / Monte Carlo methods.

Proficiency of tellurium extraction in pulsed disc and doughnut columns

Author

Shakib, B.

Publisher

Taylor and Francis Ltd,

Pub. Year

2021

Subjects

Chlorine compounds. / Mass transfer. / Selenium compounds. / Tellurium compounds. / Batch experiments. / Chloride solutions. / Continuous mode. / Distribution coefficient. / Mass transfer enhancement. / Operating parameters. / Schmidt numbers. / Separation factors. / Tellurium.

Exact hydrodynamic description of pilot plant Oldshue-Rushton contactor: a case study with the introduction of selenium and tellurium into reaction system

Author

Shakib, B.

Publisher

Taylor and Francis Ltd,

Pub. Year

2022

Subjects

Chemical reaction. / Selenium and tellurium. / Chlorine compounds. / Distribution functions. / Drops. / Hydrodynamics. / Phase velocity. / Pilot plants. / Selenium compounds. / Size distribution. / Solvent extraction. / Solvents. / Tellurium compounds. / Velocity. / Drop size. / Drop size distribution. / Hydrodynamic parameters. / Oldshue-rushton column. / Operating variables. / Rushton. / Selenia and tellurium. / Selenium and. / Slip velocity. / Solvent phase. / Chemical reactions.

Observational comparative study in Kühni and ORC agitated columns for the mechanism and performance of molybdenum extraction under various hydrodynamic conditions

Author

Shakib, B.

Publisher

Elsevier Ltd,

Pub. Year

2022

Subjects

Solvent extraction. / Drops. / Geometry. / Hydrodynamics. / Mass transfer. / Metal ions. / Molybdenum. / Reaction rates. / Size distribution. / Solvents. / Agitated column. / Agitation rates. / Dispersed phasis. / Drop size distribution. / Extraction columns. / Hydrodynamic parameters. / Kuhni column. / ORC column. / Reactive system. / Slip velocity.

Gold electrode modified with self-assembled monolayer of cysteamine-functionalized mwcnt and its application in simultaneous determination of dopamine and uric acid

Author

Shahrokhian, S.

Pub. Year

2012

Subjects

Cysteamine. / Dopamine. / Gold electrode. / Multiwalled carbon nanotubes. / Self-assembled monolayer. / Uric acid.