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4 PBE August 2014 Powder and Bulk Engineering John W. Carson Bulk Solids Handling Jenike & Johanson Ray Cocco Particle Technology Particulate Solid Research, Inc. John A. Constance Consulting Engineer Dust and Vapor Control The Engineers Collaborative Shrikant Dhodapkar Solids Processing and Handling Specialist The Dow Chemical Company USA Daniel J. Donovan Project Manager/Findlay Dow Chemical North America William H. Engelleitner Consultant Agglomeration AME Pittsburgh Richard J. Farnish Consulting Engineer, Powder Handling The Wolfson Centre University of Greenwich Gary Q. Johnson Consultant Containment and Industrial Ventilation Workplace Exposure Solutions George E. Klinzing Solids Handling University of Pittsburgh Schuyler K. Marsh Consulting Engineer Drying and Pressure Filtration DuPont Brij M. Moudgil Director, Particle Engineering Research Center University of Florida Rachel Smith Lecturer, Department of Chemical and Biological Engineering University of Sheffield Paul E. Solt Consultant Pneumatic Conveying Pneumatic Conveying Consultants John J. Walsh Consulting Engineer Drying American Drying Consultants Editorial Advisory Board Editorial Terry O'Neill Editor toneill@cscpub.com Katherine Davich Senior Editor kdavich@cscpub.com Kayla Carrigan Associate Editor kcarrigan@cscpub.com Christine Bernier Lienke Associate Editor clienke@cscpub.com Nate Todd Associate Editor ntodd@cscpub.com Production and Art Maria Novak VP Production mnovak@cscpub.com Harry Myers Assistant Production Manager hmyers@cscpub.com Carly Beseman Production Coordinator cbeseman@cscpub.com Christopher Myers Prepress Manager cmyers@cscpub.com Circulation Aileen Hough VP Audience Development ahough@cscpub.com Jan Lee Midwest Sales Manager IN, KY, MI, OH, TN jlee@cscpub.com 513-583-9768 Kevin Clohesey Upstate New York Western & Canada Sales Manager AZ, CO, IL, MO, MT, NM, UT, WY kclohesey@cscpub.com 651-287-5600 Maggie Johnson Midwest & Southeastern Sales Manager AL, AR, FL, GA, IA, IL, LA, MS, OK, SC, TX mjohnson@cscpub.com 651-287-5600 Steve Egenolf Eastern Sales Manager CT, DE, MA, MD, ME, NH, NJ, NY, RI, VT segenolf@cscpub.com 215-340-6988 Bonnie Kaye National Accounts Manager MN, ND, SD, WI bkaye@cscpub.com 651-213-1400 Sarah Highum Assistant Circulation Manager shighum@cscpub.com Business Richard R. Cress Publisher rcress@cscpub.com Jessica Selchow Administrative Assistant jselchow@cscpub.com Melinda Cress VP Accounting & HR lcress@cscpub.com Cindy Fischer Acctg/Oper Administrator cfischer@cscpub.com Michelle Robinson Acctg/Oper/HR Manager mrobinson@cscpub.com Liz Dorry Website Coordinator ldorry@cscpub.com Kurt Beckman E-Marketing Coordinator kbeckman@cscpub.com Advertising Marybeth Stewart Mid-Atlantic & Western Sales Manager CA, ID, MD, NC, NV, OR, PA, VA, WA, WV mstewart@cscpub.com 541-318-4657 ©2014 by CSC Publishing, Inc. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means without written permission from the publisher. Powder and Bulk Engineering assumes no responsibility for statements or opinions of editorial contributors or advertisers. Subscriptions: No charge for qualified North American reader subscriptions from key engineers, managers, and other personnel at companies specializing in dry particulate processing. Use the subscription card in the magazine to apply for a qualified reader subscription. Publisher reserves the right to refuse nonqualified readers. Change of address: Notices should provide old and new address; ZIP code or postal zone number must be in- cluded. If possible, attach address label from current issue. Allow 6 weeks for change to become effective. www.powderbulk.com Publishing Office 1155 Northland Drive • St. Paul, MN 55120 651-287-5600 • FAX: 651-287-5650 • e-mail: powderandbulkengineering@cscpub.com Philadelphia Office 800 West State St., Suite 103 • Doylestown, PA 18901 215-340-6988 • FAX: 215-340-6989 • e-mail: segenolf@cscpub.com Cincinnati Office 887 Murle Lane • Loveland, OH 45140 513-583-9768 • FAX: 513-583-9736 • e-mail: jlee@cscpub.com