48 Engineering Practice Onsite Nitrogen Generation Via PSA Technology Ongoing advances in both adsorbent materials and systems engineering allow today's pressure-swing adsorption systems to produce nitrogen of varying purities and volumes at relatively low cost compared to cryogenic air separation 52 Engineering Practice Beyond Gravity: Centrifugal Separations in CPI Operations Follow these recommendations to select the right centrifuge for your application Equipment and Services 48 26 Focus on Packaging Machine secures complex loads to ensure safe transport; Food-packaging materials can handle hot or cold contents; Machine verifies the weight of packages in realtime; Box dumper is customizable for a range of uses; Packaging reduces exposure to moisture and oxygen; and more 28 New Products 26 Magnetic flowmeters with several mounting options; A customizable smart display for all types of process monitoring; Small-footprint, fast-response massflow controllers; Unload 4,000-lb bulk bags with this heavy-duty discharger; This airlock unit is suited for sanitary applications; and more Departments 5 Editor's Page Modernizing TSCA 28 The U.S. is on the verge of passing into law long-awaited chemical safety legislation that empowers the EPA on the regulation of chemicals 6 Letters 64 Economic Indicators Advertisers 60 Hot Products 61 Classified 62 Reader Service 63 Ad Index Chemical Connections Follow @ChemEngMag on Twitter Join the Chemical Engineering Magazine LinkedIn Group Visit us on www.chemengonline.com for Latest News, Webinars, Test your Knowledge Quizzes, Bookshelf and more Coming in August Look for: Feature Reports on Flow Measurement; and Reaction Engineering; A Focus on Valves; A Facts at your Fingertips on Distillation; News Articles on Pigments; and Feeding & Conveying; an Engineering Practice article on Two-Stage Drying; an Environmental Manager article on Air Pollution Control; New Products; and much more Cover design: Rob Hudgins 2 ChemiCal engineering www.Chemengonline.Com july 2016http://www.chemengonline.com http://www.Chemengonline.Com