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I&EC PROCESS DESIGN AND DEVELOPMENT

Separation of Sulfur Dioxide and Nitrogen by Permeation through a Sulfolane Plasticized Vinylidene Fluoride Film

VOL. 13, NO. 1, JANUARY 1974

Dennis R. Seibel and F. P. McCandless*

Editorial Headquarters 1155 16th St., N . W . W a s h i n g t o n , D . C. 20036 P h o n e 202-872-4600 T e l e t y p e 710-8220151. C a b l e J I E C H E M

Drop Size Distributions Produced by Turbulent Pipe Flow of Immiscible Fluids through a Static Mixer Stanley Middleman

Editor: H U G H M . H U L B U R T Associate E d i t o r : J O H N C. S L A T T E R Y Managing Editor: K a t h e r i n e I. Biggs

Kiyomi Akita and Fumitake

Yoshida*

84

Calculation of High-Pressure Phase Equilibria and Molecular-Weight Distribution in Partial Decompression of Polyethylene-Ethylene Mixtures

Advisory B o a r d : J . R. F a i r , D . M . H i m m e l b l a u , W . C. S c h r e i n e r Published by the AMERICAN CHEMICAL SOCIETY 1155 16th Street, N.W. Washington, D. C. 20036 B O O K S AND J O U R N A L S DIVISION John Κ Crum Director R u t h R e y n a r d Assistant to the Director

David C. Bonner, Dennis P. Maloney, Prausnitz*

and John M. 91

COMMUNICATIONS

A Correlation Equation for Vapor PressureBubblepoint Temperature Data for the MethaneEthane System

C h a r l e s R. B e r t s c h Head, Editorial Processing Department D . H . M i c h a e l Bowen Head, Journals Department Bacil Guiley Head, Graphics and Production Department S e l d o n W . T e r r a n t Head, Research and Development Department SUBSCRIPTION SERVICE: Send all new and renewal subscriptions with payment to; Office of the Controller, 1155 16th Street, N.W., Washington, D. C. 20036. Subscriptions should be renewed promptly to avoid a break in your series. All correspondence and telephone calls regarding changes of address, claims for missing issues, subscription service, the status of records, and accounts should be directed to Man­ ager, Membership and Subscription Services, American Chemical Society, P.O. Box 3337, Columbus, Ohio 43210. Telephone (614) 421-7230. On changes of address, include both old and new addresses with ZIP code numbers, accompanied by mailing label from a recent issue. Allow four weeks for change to become effective. Claims for missing numbers will not be allowed (1) if loss was due to failure of notice of change in address to be re­ ceived before the date specified, (2) if received more than sixty days from date of issue plus time normally required for postal delivery of journal and claim, or (3) if the reason for the claim is "issue missing from files." SUBSCRIPTION RATES: I&EC PROCESS DESIGN AND DEVELOPMENT, 1974 Postage Canada & PUAS $3.00 $3.00

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Bubble Size, Interfacial Area, and Liquid-Phase Mass Transfer Coefficient in Bubble Columns

Editorial Processing D e p a r t m e n t 20th a n d N o r t h a m p t o n S t s . E a s t o n , P e n n s y l v a n i a 18042 Editorial Assistant: Joseph E. Yurvati

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76

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ACS Members \Nonmembers Those interested in becoming members should write to Ad­ missions Department, ACS. Single Copies: current, $6.00. Rates for back issues or vol­ umes are available, Special Issues Sales Department, 1155 16th St., N.W., Washington, D. C. 20036. This publication and other ACS periodical publications are available on microfilm. For information write to: Special Issues Sales Department, at the above address. Published quarterly by the American Chemical Society, from 20th and Northampton Sts., Easton, Pa. 18042. Second class postage paid at Washington, D. C , and at additional mailing offices. GUIDE FOR AUTHORS, last printed in the October 1973 issue, gives copy requirements for manuscripts. Submit three copies to Managing Editor, I&EC, Process Design and De­ velopment, 1155 16th St., N.W., Washington, D. C. 20036. ©Copyright 1973 by the American Chemical Society. Repro­ duction forbidden without permission.

Bruce R. Corn, Mark D. Young, James H. Weber, and Luh C. Tao*

95

• Supplementary material for this paper is available separately, in photocopy or microfiche form. Ordering in­ formation is given in the paper. * In papers with more than one author, the asterisk in­ dicates the name of the author to whom inquiries about the paper should be addressed.