Bubble-tray design manual
Subtitle: prediction of fractionation efficiency
By: by the Distillation Subcommittee.
Publisher: American Institute of Chemical Engineers
Published: 1958
Place of publication: New York
Language: eng
Number of pages: 94
Subjects: Plate towers
Table of contents: title: PAGE I. Theory 	1	 A. Diffusional Rate Equations 	1	 B. Differential Diffusion Rate Equations 	2	 C. Equations in a Column 	3	 D. Contact Time 	4	 E. Additivity of Resistances 	4	 F. Tray Model 	7	 G. Tray Efficiency - Vapor Terms 	8	 H. Tray Efficiency - Liquid Terms 	10	 I. Tray Efficiencies - Discussion 	12	 J. Entrainment 	13	 K. Over-all Column Efficiency 	13	 II. Methods of Calculating Physical Properties 	14	 A. Gas - Phase Physical Properties 	14	 B. Liquid - Phase Physical Properties 	19	 III. Research Results 	25	 A. Rate of Mass Transfer in the Gas Phase 	26	 B. Rate of Mass Transfer in the Liquid Phase 	32	 C. Methods of Combining Gas and Liquid Phase 	39	 D. Liquid Mixing 	45	 E. Entrainment 	52	 F. Industrial Data 	59	 G. Comparison of Prediction Method with Other Published Methods 	61	 IV. Efficiency Prediction Method 	62	 A. Outline of Steps for Prediction of Efficiency 	64	 B. Limitations of Method 	65	 C. Causes for Too High a Predicted Efficiency 	70	 D. Causes for Too Low a Predicted Efficiency 	71	 V. Methods to Increase Efficiency 	72	 A. Cap Design and Layout 	72	 B. Changes for 100% Gas - Phase Controlling Systems 	72	 C. Changes for 100% Liquid - Phase Controlling Systems 	73	 D. Systems with Both Phases Controlling 	73	 VI. Multicomponent Systems 	74	 VII. Tray Design 	76	 VIII. Fractionation 	76	 IX. Sample Calculations 	77	 A. Efficiency for Methylene Dichloride - Ethylene Dichloride System in 5.5Ft. Bubble Cap Column 	77	 B. Efficiency for 13-ft. Furfural Extractive - Distillation Column Separating Butanes from Butylenes 	79	 Notation 	83	 Literature Cited 	87	 Conversion Factors 	89	 Calculation Form Sheets 	95