Issue link: https://www.e-digitaleditions.com/i/1380119
2 / June 2021 powderbulk.com Powder and Bulk Engineering (ISSN 0897-6627) is published monthly, twelve times per year by CSC Publishing Inc., 1155 Northland Drive, St. Paul, MN 55120. Periodicals postage paid at St. Paul, MN and additional mailing office. POSTMASTER: Send address changes to Powder and Bulk Engineering, 1155 Northland Drive, St. Paul, MN 55120. June 2021 | Volume 35 Number 6 www.powderbulk.com T H E AU T H O R I T Y S I N C E 1 9 8 7 7 Industry news 12 Markets update 12 Research notes 31 Special section: Monitors 47 Calendar 50 Continuing education 52 What's new 53 Supplier notes 54 People news 54 Product news C3 Classified advertising C3 Advertiser index DEPARTMENTS INDUSTRY PERSPECTIVE 6 Particle size reduction — the breaks that matter Eric Maynard SIZE REDUCTION 17 Case history: Milling pharmaceutical- grade lactose 20 Focus products 25 Do you need a lump breaker for your pneumatic conveying system? Lisa A. Little 56 Suppliers' tips Suppliers discuss how to prevent excessive hammermill wear GENERAL FEATURES 14 Agglomeration Advisor: Avoiding erratic powder feedrates into agglomeration equipment Greg Mehos 27 Defining your dust management needs Bill Kurz 35 Air pollution control A look at news related to air pollution control. 37 How to work with equipment vendors — Part I Todd Smith 41 Compressed air — Part II: Compressed- air system audits Paul Edwards and Mauricio Uribe 27 25 On the cover: Taurus 3070 ball mill shown is located in Saudi Arabia where it's used for processing calcium carbonate. Mill fea- tures a steel lining and diaphragm, with a drum size of 3 meters in diameter by 7 meters long or larger depending on the appli- cation's throughput requirements. Mill is suitable for use with abrasives, aluminum oxide, barite, talc, plastics, film, rubber, and other materials. Courtesy of Netzsch Premier Technologies, Exton, PA, 484-879-2020 (www.netzsch-grinding.com).