47 Solids Processing Rotary Valves in Pneumatic Conveying Systems Because of their wide application in pneumatic conveying systems, it is important to understand how rotary valves are designed and used EQUIPMENT & SERVICES 24 Focus on Level Measurement Corrosive environments are not a problem for these meters; This explosion-proof meter displays level and volume; This capacitance probe is flexible for tight fits; Submersible transmitters that measure depth or level; Conduit fittings protect this level sensor's cables; and more 27 New Products This compact digital heat-trace controller offers versatility; This jet fuel analyzer enhances safety through automation; Draw, view and share molecular structures in realtime; Avoid cross-contamination with this lubrication system; Protect inventory and machinery with this leak-diverter kit; and more 28I New Products (International edition) An improved vacuum pump has a longer service life; These motorized valves have very low power consumption; Reduce commissioning time with this WirelessHART gateway; Measure energy consumption with a module instead of equipment; Inline sampling enables NIR measurement in closed processes; and more COMMENTARY 5 47 Editor's Page 2013 Kirkpatrick Award finalists Five finalists for the 2013 Kirkpatrick Award for Chemical Engineering Achievement have been annouced. The winner will be named an at awards banquet in September during the ChemInnovations Conference and Tradeshow 24 53 The Fractionation Column Selling new technologies Convincing engineeers to adopt new technologies requires clear and concise communication of laboratory and pilot data; and a little luck wouldn't hurt, either DEPARTMENTS 6 8 Letters Bookshelf 56 Reader Service ADVERTISERS 54 Product Showcase/Classified 57 Advertiser Index 27 COMING IN AUGUST Look for: Feature Reports on Hazardous Waste Disposal; and Liquid Mixing; an Engineering Practice article on Ethylene Oxide Absorber Optimization; a Focus on Screening; A Facts at Your Fingertips on Heat Transfer; News Articles on Bio-based Chemicals; and Simulation and Modeling; and more Cover: David Whitcher *ONLY ON CHE.COM Look for additional CO2 utilization coverage; New Products; Latest News; and more 58 Who's Who 59 Economic Indicators 2 CHEMICAL ENGINEERING WWW.CHE.COM JULY 2013http://www.CHE.COM http://WWW.CHE.COM