EQUIPMENT & SERVICES 28 Focus on Packaging A system for reducing losses when emptying bags; Packing paper that prevents against corrosion; Detect and reject metal in pills with this machine; Rigid packaging manufactured from only polyethylene; Shrink films for beverage multipacks; and more 28 31 New Products These slide gate valves prevent leakage with dust-tight seals; Gain access to plant data on mobile devices with this software; This mini peristaltic pump can handle a wide range of flowrates; Reduce scrap size with this self-cleaning shredder; and more 32I-1 New products (International Edition) This pump moves fluids when hygiene is required; Sound the alarm with these explosion-proof horns, Smart, wireless features for this pressure calibrator; Protect flanges with this easy-to-attach device; 33 This four-electrode sensor sends a digital output signal; and more Show Preview Weftec 2013 The 86th Weftec conference and exhibition will take place October 5-9 in Chicago. Here are some of the products and services that will be featured on the show floor 32I-3 Show Preview (International Edition) K Show 2013 The International Tradefair for Plastics and Rubber will be held October 16-23 in Düsseldorf, and will showcase more than 3,000 exhibitors from 56 countries. A selection of products to be shown in the exhibit hall is included here 31 COMMENTARY 4 Editor's Page Keeping the water flowing Because of an intensifying focus on the sustainability of the global water supply, water and wastewater treatment are increasingly critical issues. 57 The Fractionation Column A booming interest in separation technologies Many indicators suggest that interest in distillation and absorption technologies is at its highest level in decades DEPARTMENTS 6 Letters 8 Calendar 60 Reader Service ADVERTISERS 58 Product Showcase/Classified 61 Advertiser Index COMING IN NOVEMBER Look for: Feature Reports on Piping Design and Distillation; an Solids Processing article on Milling; an Environmental Manager article on Personal Protective Equipment; a Focus on Analyzers; A Facts at Your Fingertips on Silos and Bins; News articles on Chemical Engineering Awards; and Heat Exchangers; and more Cover Photo: Veolia Water Solutions & Technologies Photo Library. Photographer: Julio de la Fuente. Papeles Cordillera Plant, Puente Alto, Chile 2 CHEMICAL ENGINEERING WWW.CHE.COM OCTOBER 2013 ONLY ON CHE.COM Look for a Web-exclusive article on Economies of Scale; additional information on Battery Materials; " Test your Knowledge " Quizzes; New Products; Latest News; and more 62 Who's Who 63 Economic Indicators 33http://www.CHE.COM http://WWW.CHE.COM