Issue link: https://www.e-digitaleditions.com/i/1263839
2 / July 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. July 2020 | Volume 34 Number 7 www.powderbulk.com T H E AU T H O R I T Y S I N C E 1 9 8 7 7 PBE Update 7 Industry news 13 Markets update 20 Special section: Vacuum cleaning equipment 38 Special section: Filter media 41 Calendar 42 Continuing education 45 What's new 45 Advertiser index 46 Supplier notes 46 People news 47 Classified advertising DEPARTMENTS INDUSTRY PERSPECTIVE 6 Process intensification — catalyst for innovation Shrikant Dhodapkar MECHANICAL CONVEYING 22 Case history: Conveying and classifying cork 24 Focus products 48 Suppliers' tips Suppliers discuss which types of mechanical conveyors work best for fragile material. GENERAL FEATURES 15 Pneumatic points to ponder: Selecting technology using a cost analysis approach Jack D. Hilbert and Colin Barbeau 29 Breaking down DHAs for procrastinators Jack Osborn 35 Maintaining powder blend content homogeneity using dry granulation Matthew Walczer and Albin Friedrich 40 Show preview: POWTECH Special Edition 45 On the cover: Two belt conveyors at a biomass cogeneration power plant transfer biomass pellets from a storage silo up to multiple day bins. Conveyor is protected from a potential deflagration of the combustible pellet dust with 10 model EGV explosion vent panels at intervals along the conveyor, which ensure flames and pressure waves are safely vented to limit the propagation effects in the system. Courtesy of REMBE, Charlotte, NC, 704-716-7022 (www.rembe.us). 22