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2 / June 2020 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 2020 | Volume 34 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 6 Industry news 12 Markets update 14 Research notes 18 Special section: Monitors 38 Calendar 38 Continuing education 42 What's new 43 Supplier notes 45 People news 46 Product news C3 Classified advertising C3 Advertiser index DEPARTMENTS INDUSTRY PERSPECTIVE 5 "Venting" your frustrations Richard Farnish SIZE REDUCTION 20 Case history: Efficiently size-reducing dates 22 Micronization in the pharmaceutical industry Fred Surville 25 Focus products 48 Suppliers' tips Suppliers discuss what type of size- reduction equipment is suitable for sanitary processes. GENERAL FEATURES 15 Agglomeration Advisor: Mitigating agglomerate segregation Greg Mehos 30 Testing materials to achieve optimal air filtration Todd Smith 35 APC news On the cover: Grand-Slam 3030 horizontal shaft impactor (HSI) is shown handling limestone at the supplier's Testing & Toll Processing facility. Test facility performs more than 600 analyses annually on HSIs, vertical shaft impactors, cage mills, hammermills, and lump breakers. Test facility's material testing helps define crushing equipment operating specifications and identifies specific processing system requirements and material handling needs. Courtesy of Stedman Machine Co., Aurora, IN, 812-926-0038 (www.stedman-machine.com). 42 20