Sharif Digital Repository

Mathematical modeling of a slurry reactor for DME direct synthesis from syngas

Author

Papari, S.

Pub. Year

2012

Subjects

Dimethyl ether synthesis. / Isotherm and non-isotherm. / Modeling. / Axial dispersion model. / Axial dispersions. / Catalyst distribution. / CO conversion. / Direct synthesis. / Experimental data. / Flow hydrodynamics. / Flow model. / Gas flow model. / Hydrodynamic model. / large-scale slurry bubble column. / Mass and energy balance. / Mathematical modeling. / Nonisothermal reactors. / Operating variables. / Optimum value. / Reactor diameter. / Single-bubble class. / Slurry bubble column reactors. / Slurry reactor. / Syn-gas. / Temperature profiles. / two-bubbles class. / Bubble columns. / Catalysts. / Fischer-Tropsch synthesis. / Fluid dynamics. / Fuels. / Mathematical models. / Models. / Optimization. / Paraffins. / Pilot plants. / Synthesis gas. / Isotherms.

Modelling-based optimisation of the direct synthesis of dimethyl ether from syngas in a commercial slurry reactor

Author

Papari, S.

Pub. Year

2013

Subjects

Modelling. / Catalyst concentration. / Dimethyl ether synthesis. / Global kinetic models. / Optimisations. / Pressure and temperature. / Slurry bubble column. / Superficial gas velocities. / Two-bubble phases. / Bubble columns. / Carbon dioxide. / Catalysts. / Fischer-Tropsch synthesis. / Mathematical models. / Models. / Optimization. / Pilot plants. / Synthesis gas. / Fuels.

Well Injectivity during CO2Geosequestration: A Review of Hydro-Physical, Chemical, and Geomechanical Effects

Author

Hajiabadi, S.H.

Publisher

American Chemical Society,

Pub. Year

2021

Subjects

Aquifers. / Boreholes. / Carbon capture. / Digital storage. / Geomechanics. / Hydrogeology. / Oil field equipment. / Reservoirs (water) / Carbon capture and storages (CCS) / Chemical aspects. / Deep saline aquifers. / Geo sequestrations. / Injection pressures. / Mutual solubility. / Pressure build up. / Thermo-poro-elastic. / Carbon dioxide.

Dme direct synthesis from syngas in a large-scale three-phase slurry bubble column reactor: transient modeling

Author

Papari, S.

Pub. Year

2014

Subjects

Dimethyl ether direct synthesis. / Dynamic behavior. / Modeling. / Slurry bubble column reactor. / Direct synthesis. / Dynamic behaviors. / Operating condition. / Optimum conditions. / Slurry bubble column reactors. / Slurry reactor. / Tanks-in-series. / Transient model. / Catalyst deactivation. / Fischer-Tropsch synthesis. / Fuels. / Mathematical models. / Models. / Tanks (containers) / Synthesis, gas.

Effecive & efficient DSM configuration guidelines for low-cost development of complex systems

Author

Sadegh, M. B.

Publisher

Institution of Engineering Designers,

Pub. Year

2012

Subjects

Complex systems. / Effective & efficient DSM. / Low-cost space projects. / Solution space. / Space systems engineering. / Competition. / Costs. / Design. / Complex interface. / Design planning. / Design Structure Matrices. / Management domains. / Parallel operations. / Space projects. / Large scale systems. / Cost engineering.

Aspects of alkaline flooding: Oil recovery improvement and displacement mechanisms

Author

Sedaghat, M. H.

Pub. Year

2013

Subjects

Alkaline Flooding. / Chemical EOR. / Displacement Mechanism. / Experimental. / Sweep Efficiency.

Modeling and control of dissolved oxygen concentration in the fermentation of glucose to gluconic acid

Author

Kazemi, M. A.

Pub. Year

2013

Subjects

Bioreactor. / Contois kinetic. / Modeling. / PID Controller. / Air-lift loop bioreactors. / Contois kinetic model. / Dissolved oxygen concentrations. / Fermentation process. / Fermentation systems. / Modeling and control. / PID controllers. / Ziegler-Nichols tuning methods. / Aspergillus. / Bioconversion. / Bioreactors. / Dissolved oxygen. / Electric control equipment. / Glucose. / Kinetic parameters. / Kinetic theory. / Models. / Proportional control systems. / Fermentation.

Comparison of two methods of iridium impregnation into HZSM-5 in the methanol to propylene reaction

Author

Papari, S.

Pub. Year

2011

Subjects

Iridium promoter. / Zeolite. / Analytical techniques. / BET surface area. / Catalyst lifetime. / Catalyst stability. / Continuous flows. / Fixed-bed reactors. / H-ZSM-5. / ICP-AES. / Methanol to propylenes. / MTP. / Physical and chemical characteristics. / Propylene selectivity. / Weight percent. / XRD. / Atomic emission spectroscopy. / Byproducts. / Catalyst selectivity. / Chemical analysis. / Chemical reactors. / Impregnation. / Iridium. / Methanol. / Silicate minerals. / Zeolites. / Propylene.

Natural convection from a confined horizontal cylinder: The optimum distance between the confining walls

Author

Sadegh Sadeghipour, M.

Pub. Year

2001

A coarse relative-partitioned index theorem

Author

Karami, M.

Publisher

Elsevier Masson SAS,

Pub. Year

2019

Subjects

Coarse algebras. / Enlargeable manifolds. / K-theory of coarse spaces. / Partition index theorem. / Relative index theorem.

Simultaneous determination of gas–water relative permeability and capillary pressure from steady-state corefloods

Author

Borazjani, S.

Publisher

Elsevier B.V,

Pub. Year

2021

Subjects

Approximation algorithms. / Capillary tubes. / Drops. / Flow of gases. / Inverse problems. / Porous materials. / Pressure drop. / Stabilization. / Gas-water. / Laboratory datum. / Relative permeability. / Simultaneous determinations. / Special core analysis. / Steady state. / Steady-state method. / Transition data. / Water cuts. / Water–gas flow. / Capillarity. / Accuracy assessment. / Algorithm. / Capillary pressure. / Detection method. / Permeability. / Steady-state equilibrium.

Determining water-oil relative permeability and capillary pressure from steady-state coreflood tests

Author

Borazjani, S.

Publisher

Elsevier B.V,

Pub. Year

2021

Subjects

Asymptotic analysis. / Capillary tubes. / Inverse problems. / Sensitivity analysis. / Two phase flow. / Oil wets. / Relative permeability. / Saturation profiles. / Special core analysis. / Steady state. / Steady-state method. / Transition data. / Two phases flow. / Type curves. / Water cuts. / Capillarity. / Algorithm. / Capillary pressure. / Flow stability. / Least squares method. / Model validation. / Permeability. / Petroleum engineering. / Saturation. / Steady flow.