.

0 (hodnocen0 x )

BK

1. vyd.

Praha : Academia ; Chichester : Ellis Horwood, 1993

406 s. : il. ; 25 cm

ISBN 80-200-0380-0 (Academia ; váz.)

ISBN 0-13-127390-6 (Ellis Horwood ; váz.)

čeština

Obsahuje bibliografické odkazy a rejstřík

000012814

Authors’ Preface 5 // 1. Introduction 11 // Notation 15 // References to Chapter 1 16 // 2. Mass Transfer with Chemical Reaction IV // 2.1 Simple Reaction of Dissolved Gas Component in the Liquid Phase 19 // 2.1.1 Criterion for Reaction Location 20 // 2.1.2 Limiting Cases 21 // 2.1.2.1 Reaction in the Bulk of the Liquid 21 // 2.1.2.2 Reaction in the Liquid Film 22 // 2.1.3 Application of Approximative Models 23 // 2.1.4 The Effect on the Reaction Rate of Reactor Type 26 // 2.1.5 Reaction Time 28 // 2.1.6 Reversible Reactions 31 // 2.2 Consecutive Reactions 31 // 2.2.1 Reactions of the Type A ±B ±R 32 // 2.2.1.1 Irreversible Reactions 32 // 2.2.1.2 Reversible Reactions 33 // 2.2.2 Reactions of the Type A + B  R // R + B ±S 33 // 2.2.2.1 Irreversible Reactions 33 // 2.222 Reversible Reactions 34 // 2.2.3 Reactions of the Type A + B —* R // A + R —> S 34 // 2.2.3.1 Fast-Reaction Regime 34 // 2.2.3.2 Instantaneous-Reaction Regime 36 // 2.2.4 Complex Reaction of a Single Gas with a Single Liquid 37 // 2.2.5 Modelling of Consecutive Reactions Based on the Film Theory of Mass // Transfer 38 // 2.2.5.1 The Effect of Mass Transfer Parameters on Selectivity of Reaction // Intermediate Formation 43 // 2.2.5.2 Applicability of the Approximative Model 48 // 2.2.6 Approximative Model of Consecutively-Parallel Reactions in Gas-Liquid Systems // 2.3 Simultaneous Absorption of Two Gases Reacting with the Absorbent 65 // 2.3.1 Calculation of Absorption Rates 70 // 2.4 Reactions in Three-Phase Systems 7| // 2.4.1 Reactions in Systems Gas-Liquid-Suspended Solid Particles 71 // 2.4.1.1 Absorption with Non-Catalytic Equilibrium Reactions 71 // 2.4.1.2 Reactions of Dissolved Gas Components with the Liquid in the Presence // of Catalyst Particles 77 // 2.4.2 Reactions in Gas-Liquid-Liquid Systems with Two Immiscible Liquid Phases 78 // Notation 84 // References to Chapter 2 //

3. Flow of Phases in Gas-Liquid Reactors 86 // 3.1 Ideal and Non-Ideal Flow // 3.2 Modelling of Non-Ideal Flow in Gas-Liquid Systems and Experimental // Determination of its Characteristics // 3.2.1 Non-Ideal Flow Models // 3.2.1.1 Differential Models // 3.2.1.2 Discrete Models // 3.2.2 Experimental Determination of Backmixing Characteristics // 3.2.2.1 Stationary Method // 3.2.2.2 Dynamic Methods // 3.2.2.3 Experimental Procedures // 3.2.2.4 Evaluation of Mixing Models Parameters // 3.3 Experimental Characteristics of Backmixing in Various Types of Gas-Liquid Reactors // 3.3.1 Film Reactors // 3.3.1.1 Trickle-Bed Reactors // 3.3.1.2 Annular-Flow Reactors // 3.3.2 Reactors with Dispersed Gas Phase // 3.3.2.1 Single-Stage Bubble Column Reactors // 3.3.2.2 Horizontal Sparged Reactors // 3.3.2.3 Multistage Bubble Column Reactors // 3.3.2.4 Packed Bubble Column Reactors // 3.3.2.5 Tower Reactors with Circulating Liquid Phase // 3.3.2.6 Mechanically Stirred Reactors // 3.3.3 Spray Reactors // 3.4 The Effect of Gas and Liquid Phase Macromixing on Conversion and Selectivity // of Gas-Liquid Reactions // Notation // References to Chapter 3 // 4. Characteristics of Reactors with Dispersed Gas Phase 244 // 4.1 Reactors with Power Input Due to Gas Compression // 4.1.1 Evaluation of the Present State of the Art on Bubble Bed Hydrodynamics.246 // 4.1.1.1 Bubbling Regimes 248 // 4.1.1.2 Bubble Size 250 // 4.1.1.3 Gas Holdup 254 // 4.1.1.4 Interfacial Mass Transfer 260 // 4.1.2 Energy Dissipation in Bubble Beds 266 // 4.1.3 Gas Holdup 269 // 4.1.3.1 Turbulent Bubbling Regime 269 // 4.1.3.2 Homogeneous Bubbling Regime 270 // 4.1.4 Interfacial Area 271 // 4.1.4.1 Homogeneous Bubbling Regime 272 // 4.1.4.2 Turbulent Bubbling Regime 276 // 4.1.5 Mass Transfer from Bubbles to the Liquid Phase 279 // 4.1.5.1 Mass Transfer Coefficient in the Liquid Film Adjacent to a Bubble 280 //

4.1.5.2 Volumetric Liquid-Side Mass Transfer Coefficient 283 // 4.1.5.3 Effect of Surface Active Additives on kL 284 // 4.1.6 Plate Columns 286 // 4.1.7 Reactors with Natural Circulation 289 // 4.1.7.1 Liquid Velocity in Air-Lift Reactors 290 // 4.1.7.2 Gas Holdup in Aerated Sections of Air-Lift Reactors 293 // 4.1.7.3 Mass Transfer and kLa in Air-Lift Reactors 296 // 4.1.7.4 Mixing Time 298 // 4.1.7.5 Heat Transfer in Air-Lift Reactors 299 // 4.2 Reactors with Power Input from Liquid Pumping 300 // 4.2.1 Hydrodynamic and Mass Transfer Characteristics of Bubble Beds in EjectorDistributor Reactors 301 // 4.2.2 Energy Effectiveness of Phases Contacting in Units with Sieve-Tray // and Ejector-Type Gas Distributors 307 // 4.3 Reactors with Power Input by Mechanically Driven Insertions 309 // 4.3.1 Working Characteristics of Aerated Stirred-Tank Reactors 313 // 4.3.2 Gas Holdup in Aerated Mixing Vessels 315 // 4.3.3 Interfacial Surface Area 319 // 4.3.4 Volumetric Liquid-Side Mass Transfer Coefficient 321 // 4.3.5 The Effect of Reactor Construction on Hydrodynamic and Transport // Characteristic of Mechanically Agitated Bubble Beds 327 // 4.3.5.1 Reactors with Multiple Impellers 327 // 4.3.5.2 Mechanically Agitated Draught Tube Reactors 328 // 4.3.5.3 Multistage Mechanically Agitated Reactors 330 // Notation 332 // References to Chapter 4 334 // 5. Criteria for Reactor Type Selection 340 // 5.1 Minimization of Reactor Volume 340 // 5.1.1 Heterogeneous Reaction Kinetics as the Decisive Parameter for Reactor Type // Selection and for Calculation of Reactor Volume 342 // 5.1.1.1 Reactions Occurring in the Bulk Liquid Phase 344 // 5.1.1.2 Reactions Occurring in Liquid Film 346 //

5.1.1.3 General Principles of Reactor Selection on the Basis of Reaction Kinetic 346 // 5.1.2 Reactor Selection on the Basis of Flow Patterns Consideration 353 // 10 // Table of Contents // 5.1.2.1 Calculation of Reactor Height for Ideal Flow of Both Phases 353 // 5.1.2.2 Calculation of Reactor Height for Non-Ideal Flow of Phases 358 // 5.1.3 Minimization of Reactor Volume for Cases of Unknown Reaction Kinetics 367 // 5.1.4 Reactor Selection on the Basis of Volume Calculation 367 // 5.2 Minimization of Energy Supply 368 // 5.2.1 Reactor Selection According to Mimimum Energy Input 369 // 5.2.2 Reactor Selection According to Maximum Energetic Efficiency of Phase // Contacting 370 // 5.2.2.1 Utilization of Dissipated Energy for Gas Dispersion 372 // 5.2.2.2 Overall Energy Effectiveness of Gas-Liquid Reactors 383 // Notation 389 // References to Chapter 5 391 // Author Index 393 // Subject Index 400

(OCoLC)85642997

cnb000079242