Mass Transfer Analysis CHE 306 Fall 2014

Two-Film Theory of Mass Transfer

Figure 16-1 Packed distillation column From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 16-2 Analysis of number of transfer units; (A) determination of equilibrium or interfacial values, (B) graphical integration of Eq. (16-7) shown for stripping section of Example 16-1 From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 16-3 Solution to Example 16-1; (A) determination of yAI = yEI, (B) graphical integration for enriching section From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 10-25 Packed distillation column From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 10-24 Types of column packing; (A) ceramic Intalox saddle, (B) plastic super Intalox saddle, (C) Pall ring, (D) GEMPAK cartridge, (E) Glitsch EF-25A grid. Figures A, B, and C courtesy of Norton Chemical Process Products, Akron, Ohio. Figures D and E courtesy of Glitsch, Inc., Dallas, Texas From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 10-26 HETP vs. vapor rate for metal Pall rings; (A) Iso-Octane-Toluene, (B) acetone-water. Reprinted with permission from “Pall Rings in Mass Transfer Operations,” 1968 courtesy of Norton Chemical Process Products, Akron, Ohio From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 16-4 Calculation of y Figure 16-4 Calculation of y* – y with linear equilibrium and operating lines; (A) mV/L = 1, (B) mV/L ≠ 1 From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Mass Transfer Correlations for Packed Towers (Random Packing)

Figure 16-5 Packing parameter ψ for HG calculation (Bolles and Fair, 1982). Excerpted by special permission from Chemical Engineering, 89 (14), 109 (July 12, 1982), copyright 1982, McGraw-Hill, Inc., New York, NY 10020 From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 16-6 Packing parameter ϕ for HL calculation (Bolles and Fair, 1982). Excerpted by special permission from Chemical Engineering, 89 (14), 109 (July 12, 1982), copyright 1982, McGraw-Hill, Inc., New York, NY 10020 From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Simple Correlations

Absorption in Water

Figure 16-7 Vapor load coefficient CfL for HL calculation (Bolles and Fair, 1982). Excerpted by special permission from Chemical Engineering, 89(14), 109 (July 12, 1982), copyright 1982, McGraw-Hill, Inc., New York, NY 10020 From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 16-8 Absorber calculation: (A) schematic of column, (B) calculation of interfacial mole fracs; slope, s = −k′x/k′y From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 16-9 Co-current absorber; (A) schematic of column, (B) calculation of y −y* From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.

Figure 16-10 Schematic of tray From Separation Process Engineering, Third Edition by Phillip C. Wankat (ISBN: 0131382276) Copyright © 2012 Pearson Education, Inc. All rights reserved.