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Showing 1 to 20 of 26 for “"(TUBULAR) REACTOR"”.
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Investigations of biphasic seeded emulsion polymerizations in a continuous tubular reactor
… of research into the development of a continuous tubular process for emulsion polymerization. Prior approaches have mostly focused on transposing batch emulsion polymerization recipes into tubular reactors. While this transposition had been successful in producing low solids contents material, it …
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The Simulation of a Controlled Tubular Reactor with Counter-current Heat Transfer
The results of complete simulation of a plug flow reactor and a cascade of five continuous flow stirred tank reactors (CSTR) on a digital computer under transient open loop and controlled conditions are compared with the experimental results of the same system partially simulated as a cascade of …
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Mathematical Modelling of a Tubular Reactor for Continuous Production of Synthetic Resins
… resin systems have resulted in the choice of a tubular reactor for continuous operation and the urea-formaldehyde resin system is selected for detailed examination. To account theoretically for the performance of the tubular reactor two mathematical models are developed, The first model, which …
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A Two-Dimensional Heterogeneous Numerical Model for Auto-Thermal Reforming of Synthetic Crude Glycerol in a Packed Bed Tubular Reactor
… glycerol (CG) to hydrogen gas in packed bed tubular reactor (PBTR). The models were heterogenous, considering the presence of the solid catalyst and created with two numerical methods, the finite difference method (FDM) in MATLAB and the finite element method (FEM) in COMSOL Multiphysics. …
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Catalytic Oxidation of Ammonia at Low Temperatures. I. In Fused Salt Media. Ii. By a Rare-Earth-Oxide Catalyst on a Tubular Reactor
Made available in DSpace on 2015-05-12T17:04:31Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0005975.PDF: 5618385 bytes, checksum: ed3843cd80d59ba8f3a949e6949a8f81 (MD5) Previous issue date: 1953
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ΚΑΤΑΛΥΤΙΚΗ ΔΙΑΣΠΑΣΗ ΥΔΡΟΘΕΙΟΥ ΓΙΑ ΤΗΝ ΠΑΡΑΓΩΓΗ ΥΔΡΟΓΟΝΟΥ ΚΑΙ ΘΕΙΟΥ
… GAS PHASE HAVE BEEN CARRIED OUT IN AN A-AL2O3 TUBULAR REACTOR IN THE TEMPERATURE RANGE OF 973-1133 K AND PRESSURE RANGE OF 1,3-4,0 ATMA. THE EQUILIBRIUM OF THE SYSTEM HAS BEEN STUDIED THEORETICALLY FOR TEMPERATURES773-1373 K AND PRESSURES 0.01-5.0 ATMA. THE THERMAL HOMOGENEOUS DECOMPOSITION OF …
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Analysis of substrate limited fermentation in a dispersed plug-flow reactor
A tubular reactor, in which there is a dispersed plug-flow and in which a single cell fermentation occurs is critically analyzed using a lumped approximation technique. Estimates of the bounds of Fermentation Number where multiple solutions can occur and the necessary and sufficient conditions for …
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Experimental and modeling studies on a catalytic packed bed membrane reactor
… conditions in a catalytic packed bed membrane reactor were investigated with the reactant gases H 2 and CO flowing through the membrane tube, and an inert gas N 2 flowing on the outside. The reaction under study was methanol synthesis with BASF catalyst, and a gamma-alumina membrane with a …
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Characterization of pyrolysis products from end-of-life electronic equipment
… polymer streams from MBAP were reacted in a Tubular Reactor inerted with helium. The overall objective of these reactions is to determine the process parameters (Reaction Temperature and Pressure) required in order to achieve maximum oil yield. The reaction process parameters are the reaction …
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Hydrogen Production by Water Gas Shift Reaction Following Dry Reforming of Biogas Methane in Membrane and Packed Bed Tubular Reactors
… of the catalyst, application in a membrane reactor and kinetic studies of the water gas shift reaction. A portfolio of ternary oxide catalysts with a nominal composition of 3Ni5Cu/CeZrM (where M = La, Mg, Y, Gd, Ca) were developed and prepared by surfactant assisted route. A binary oxide …
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Removal of nitrogen containing hydrocarbons from wastewater by catalytic and non-catalytic hydrothermal oxidation, in sub- and supercritical conditions
… air oxidation(CWAO)), were conducted in a batch reactor and supercritical water oxidation (SCWO) experiments were conducted in a tubular reactor. The key operating parameters investigated were temperature, pressure, initial organic concentration; for catalytic experiments, the effect of catalyst …
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Novel supercritical biodiesel plant design & process scale-up
… are catalyzed processes using continuous stir reactors with distillation systems to separate material constituents. We tested a lab-scale nocatalyst supercritical biodiesel process using waste cooking oil and ethanol as feedstock. This led to the development of a scaled up modular EAC process …
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Glycerin reformation in high temperature and pressure water
… supercritical water was studied in a Haynes 282 tubular reactor. In order to determine which parameters were the most influential, a 2³ experimental matrix was conducted, with temperatures of 500 and 700⁰C, water/glycerin molar ratios of 3:1 and 13:1, and residence times of 30 and 90 seconds, all …
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Kinetics and Reaction Engineering Aspects of Syngas Production by the Heterogeneously Catalysed Reverse Water Gas Shift Reaction
… were performed in a down-flow fixed bed quartz reactor at atmospheric pressure. The reverse water gas shift (RWGS) reaction was examined in both the forward and reverse direction. In addition to these experiments, the consecutive reaction of CO to CH4 was also studied. The results indicate that …
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Polymerisation of vinyl monomers in continuous-flow reactors. An experimental study, which includes digital computer modelling, of the homopolymerisation of styrene and methylmethacrylate by anionic and free radical mechanisms respectively in continuous flow-stirred-tank reactors.
… in each type of polymerisation, polymerisation reactors, computer simulation of polymerisation processes and polymer characterisation by gel permeation chromatography. A novel computer model has been devised, based on the analysis of the polymerisation process in terms of the reaction extent of …
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Model reduction for nonlinear dynamical systems with parametric uncertainties
… dynamical problems: a reacting flow model of a tubular reactor and an aeroelastic model of a cantilevered plate, both of which exhibit LCO and Hopf-bifurcation. Results indicate that in situations where the efficiency of the original POD-DEIM ROM is compromised by disparate magnitudes in unknown …
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Kinetic Study of Catalytic Partial Oxidation of Synthetic Diesel for Hydrogen Production
… kinetic experiments were done in a packed bed tubular reactor (PBTR) over a 5wt.%Ni/Ce[subscript 0.5Z]r[subscript 0.33]Ca0.085Y[subscript 0.085] (5N/CZCaY) catalyst prepared by a surfactant-assisted route. The SD is composed of 75 vol.% saturated hydrocarbons and 25 vol.% aromatic hydrocarbons, …
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Supercritical Water Gasification of Biomass
… batch autoclaves. The catalytic effect of the reactor material (stainless steel and Inconel 625) on the gasification products composition was discussed, as well as the influence of subcritical (350°C) and supercritical (400°C) reaction conditions. Moreover, the effect of phenol addiction, …
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