Insights into Chemical Engineering : Selected Papers of P. V. Danckwerts.

Front Cover -- Insights into Chemical Engineering -- Copyright Page -- Forword -- Table of Contents -- AUTOBIOGRAPHICAL NOTE -- GENERAL INTRODUCTION -- SECTION A: Mathematics of Diffusion -- Chapter A1. Kinetics of the absorption of carbon dioxide in water -- REFERENCES -- Chapter A2. Absorption by simultaneous diffusion and chemical reaction -- 1. Introduction -- 2. Exact and Approximate Solutions -- 3. Depletion of Second Reactant -- Chapter A3. Unsteady-state diffusion or heat conduction with moving boundary -- 1. Introduction -- 2. Conditions of the Problem -- 3. Solutions of Diffusion Equations for Infinite Media -- 4. Application to Media bounded by Plane Surfaces -- 5. Problems of Class A -- 6. Problems of Class B -- 7. Examples: Class A -- 8. Examples: Class B -- Chapter A4. Absorption by simultaneous diffusion and chemical reaction into particles of various shapes and into falling drops -- 1. Introduction -- 2. Conditions of the Problem -- 3. General Mathematical Method -- 4. Examples -- 5. Steady-state Solutions -- 6. Absorption into Falling Drop with Surface Saturation -- Chapter A5. Temperature effects accompanying the absorption of gases in liquids -- 1. Introduction -- 2. The heat of solution -- 3. The heat of reaction -- REFERENCES -- Chapter A6. Gas absorption accompanied by first-order reaction: concentration of product, temperaturerise and depletion of reactant -- Temperature -- Product -- Reactant -- REFERENCES -- Chapter A7. Absorption from bubbles of dilute gas -- NOTATION -- SECTION B: The Design of Gas Absorbers -- Chapter B1. Significance of liquid-film coefficients in gas absorption -- ABSORPTION INTO A STAGNANT LIQUID -- ABSORPTION INTO SURFACE OF TURBULENT LIQUID -- PACKED ABSORPTION TOWERS -- NONHOMOGENEOUS DISTRIBUTION OF SURFACE AGES -- DERIVATION OF EXPRESSIONS FOR R IN VARIOUS TYPES OF SYSTEM -- CONCLUSION.

NOMENCLATURE -- LITERATURE CITED -- Chapter B2. Kinetics of liquid-film processes in gas absorption. Part I: Models of the absorption process -- The Three Models -- Prediction of Effect of Physico-Chemical Factors -- Discussion -- References -- Part II: Measurements of transTent absorption rates -- Introduction -- The Rotating Drum Method -- Interpretation of Results -- Comparison with Absorption in Packed Column -- Conclusions -- Acknowledgment -- Nomenclature -- References -- Chapter B3. The kinetics of absorption of carbon dioxide into neutral and alkaline solutions -- EXPERIMENTAL -- RESULTS AND DISCUSSION -- CONCLUSIONS -- APPENDIX I THE DEPLETION OF SODIUM HYDROXIDE AND BUFFER SOLUTIONS BY REACTION -- NOTAION -- REFERENCES -- Chapter B4. Kinetics of CO2 absorption in alkaline solutions - I Transient absorption rates and catalysis by arsenite -- EXPERIMENTAL METHOD -- RESULTS -- NOTATION -- REFERENCES -- Chapter B5. Kinetics of CO2 absorption in alkaline solutions-II. Absorption in a packed column and tests of surfacerenewal models -- INTRODUCTION -- EXPERIMENTAL -- RESULTS -- PREDICTION OF ABSORPTION RATES -- DISCUSSION -- CONCLUSIONS -- NOTATION -- REFERENCES -- Chapter B6. Kinetics of CO2 absorption - III. First-order reaction in a packed column -- EXPERIMENTAL -- RESULTS AND DISCUSSION -- CONCLUSIONS -- NOTATION -- REFERENCES -- Chapter B7 The design of gas absorbers I- Methods for predicting rates of absorption with chemical reaction in packed columns, and tests with 1 1/2 in. Raschig rings -- Introduction -- Principles of Methods Used -- The Stirred Vessel -- The Packed Column -- The Absorbents -- Measurement of Absorption Rates -- Matching of Stirring Speeds with Flow-rates -- Determination of the Value of kL and a in Column -- Prediction of Rates of Absorption into Solutions of Sodium Hydroxide in Column.

Effect of Packing Height on Absorption Efficiency -- Conclusions -- APPENDIX I Kinetics of the Catalysed Reaction with Water -- APPENDIX II Absorption Rates in Solutions of Sodium Hydroxide -- Acknowledgment -- Symbols Used -- References -- Chapter B8. The design of gas absorbers. Part II: Effective interfacial areas for several types of packing -- Introduction -- Principle of Method -- Experimental -- Results and Discussion -- Acknowledgments -- Symbols Used -- References -- Chapter B9. Design of gas absorbers: Part III- Laboratory "point" model of a packed column absorber -- Introduction -- Criteria for Simulating a "Point" in a Packed Column by Laboratory Absorber -- The Stirred Cell as a "Point" Model -- Absorption from Air into NaOH Solutions in the Stirred Cell and a Packed Column -- Calculation of R from First Principles -- Discussion and Conclusions -- Remarks -- Symbols Used -- References -- Chapter B10. Laboratory scale model of a complete packed column absorber -- INTRODUCTION -- CRITERIA FOR SIMULATION OF A FULL-SIZED PACKED COLUMN BY A LABORATORY ABSORBER -- LABORATORY ABSORBERS FOR SIMULATION OF A LARGE PACKED COLUMN -- THE WETTED-WALL COLUMN -- THE STRING-OF-SPHERES COLUMN -- ABSORPTION WITH CHEMICAL REACTION IN THE SPHERE AND THE PACKED COLUMNS-TESTS OF THE MODEL -- DISCUSSION AND CONCLUSIONS -- NOTATION -- REFERENCES -- APPENDIX -- Chapter B11. Surface instability during the absorption of CO2 by monoethanolamine solutions -- REFERENCES -- Chapter B12. Gas absorption with instantaneous reaction -- ABSORPTION INTO QUIESCENT LIQUID -- ABSORPTION INTO AGITATED LIQUIDS -- EXAMPLES -- CONDITIONS FOR 'INSTANTANEOUS' REACTION -- EQUAL DIFFUSIVITIES -- NOTATION -- REFERENCES -- APPENDIX -- Chapter B13. The effects of diffusivity in the liquid on rates of gas absorption -- Introduction -- The Use of Instantaneous Reaction.

The Use of Hydrogen Sulphide and Amines -- Measurements of Diffusivity by Absorption into a Jet -- Experimental -- Results -- APPENDIX Rate of Reaction -- Equilibrium Composition -- The Effect of Reversibility on the Rate of Absorption -- Temperature Effects -- Maldistribution of Liquid in Packed Column -- Longitudinal Dispersion of Liquid in a Packed Column -- Acknowledgments -- Symbols Used -- References -- Chapter B14. Chemical reaction and effective interfacial areas in gas absorption -- EXPERIMENTAL -- CHARACTERISTICS OF THE SOLUTIONS USED -- RESULTS AND DISCUSSION -- DISCUSSION -- NOTATION -- REFERENCES -- APPENDIX 1 -- APPENDIX 2 -- Chapter B15. The effects of catalysis on rates of absorption of CO2 into aqueous amine-potash solutions -- Chapter B16. The absorption of carbon dioxide into aqueous amine solutions and the effects of catalysis -- SYNOPSIS -- Chapter B17. Desorption of carbon dioxide from aqueous potash solutions with and without the addition of arsenite as a catalyst -- SYNOPSIS -- SECTION C: Reactions of Carbon Dioxide with Bases and Catalysts in Aqueous Solution -- Chapter C1. Catalysis by Brconsted bases of the reaction between CO2 and water -- EXPERIMENTAL -- MATERIALS -- RESULTS AND DISCUSSION -- Chapter C2. Fast reactions of CO2 in alkaline solutions -- EXPERIMENTAL -- RESULTS -- EXPERIMENTAL -- RESULTS -- NOTATION -- REFERENCES -- Chapter C3. Absorption of carbonyl sulphide in amines and alkalis -- EXPERIMENTAL -- RESULTS -- REFERENCES -- Chapter C4. Kinetics of the conversion of bicarbonate to carbon dioxide -- Chapter C5. The reaction of carbon dioxide with ethanolamines -- DISCUSSION -- REFERENCES -- Chapter C6. Reaction of carbon dioxide with ethanolamines: Kinetics from gas absorption -- INTRODUCTION -- EXPERIMENTAL -- DISCUSSION OF RESULTS -- NOTATION -- REFERENCES.

SECTION D: Residence-Time Distributions and Related Topics -- Chapter D1. Continuous flow systems. Distribution of residence times -- HOLD-BACK AND SEGREGATION -- FLOW THROUGH BEDS OF SOLIDS -- FLOW IN PIPES -- REACTORS -- BLENDERS -- THE USE OF MODELS FOR PREDICTING F-DIAGRAMS -- REFERENCES -- NOTE ADDED IN PROOF -- NOTATION. -- Chapter D2. Local residence-times in continuous-flow systems -- APPENDIX -- Chapter D3. The distribution of residence-times in an industrial fluidised reactor -- GENERAL PRINCIPLES -- EXPERIMENTAL -- INTERPRETATION OF RESULTS -- DISCUSSION -- CONCLUSIONS -- ACKNOWLEDGMENT -- NOTATION -- REFERENCES -- Chapter D4. Investigation of air-flow in a spray-drier by tracer and model techniques -- Introduction -- Principle of Method -- Experimental -- Results -- Discussion of Results of Tracer Experiments -- Previous Measurements -- Experiments with a Model -- Conclusions -- Acknowledgments -- Symbols Used -- References -- Chapter D5. Flow-visualization by means of a time reaction -- REFERENCES -- Chapter D6. The effect of hold-up and mixing on a stream of fluctuating composition -- The Standard Deviation -- Conditions of the Problem -- The Conservation Equation -- The Autocorrelation Coefficient -- The Correlogram -- Special Case I: Regular Periodic Fluctuations -- Special Case II: Completely Random Fluctuations -- First-Order Reactions -- Acknowledgements -- SECTION E: Mixtures and Mixing -- Chapter E1. Theory of mixtures and mixing -- SCALE OF SCRUTINY -- COARSE-GRAINED MIXTURES -- FINE-GRAINED MIXTURES -- MINIMUM WORK REQUIRED FOR MIXING -- SCALING UP FROM MODELS -- MECHANISMS OF MIXING -- BACK-MIXING IN CONTINUOUS FLOW SYSTEMS -- REFERENCES -- BIBLIOGRAPHY -- Chapter E2. The definition and measurement of some characteristics of mixtures -- 1. Introduction -- 2. The mixing process -- 3. The scale of segregation.

4. Measurement of the scale of segregation.

Description based on publisher supplied metadata and other sources.

Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.