DECEMBER 2011 IN THIS ISSUE VOLUME 118, NO. 13 www.che.com COVER STORY 30 Cover Story Part 1 Thermal Fluid Systems: Design Considerations Single-fluid heat-transfer systems require specific design considerations for troublefree operation 34 Cover Story Part 2 Troubleshooting HeatTransfer Fluid Systems Real cases illustrate how to analyze problems in heattransfer systems - sometimes symptoms can be misinterpreted NEWS 11 Chementator Commercialization is set for a new alkylation process; An in-pipe turbine system generates energy from water effluent; A car company moves closer to making cellulosic ethanol econmically; Detecting steam-trap leaks gets easier; Recover oil from messy spills with this mesh; Optical-cavity furnace can boost solar cell efficiency; and more 19 Newsfront Transporting Energy Through Time A portfolio of new energy-storage technologies is poised to tackle applications on the next-generation power grid 24 Newsfront Simulation Spreads its Wings Simulation software is not just for designing plant layouts anymore. Enhancements and integration capabilities allow it to help out in any number of ways around the facility ENGINEERING 28 The Fractionation Column Lessons Learned in R&D R&D projects should be undertaken thoughtfully, with involvement from marketing staff and with cognizance of profit motive 29 Facts at Your Fingertips Using Rupture Disks with Pressure Relief Valves This one-page reference guide outlines considerations for using rupture disks in conjunction with pressure safety relief valves 37 Feature Report Turnarounds: Shorter, Safer, Simpler Wireless networks are easily justified in a turnaround budget, and keep paying off after startup 42 Engineering Practice Solubility of Water in Benzenes as a Function of Temperature Accurately determining the solubility of water in hydrocarbons is important for several reasons, including product quality. A new correlation is compared to experimental data 47 Engineering Practice Preventing Tank Corrosion Why a tank's coatingapplication process makes all the difference EQUIPMENT & SERVICES 51 Focus on Temperature Measurement and Control Thermal imaging cameras help spot problem areas; Service installs thermowells per new ASME standard; Wireless multi-input temperature transmitter accepts eight inputs; Mercury-free alternative for calibration is also more rugged; and more COMMENTARY 5 Editor's Page CE's Growing LinkedIn Presence CE invites you to participate in the magazine's growing online discussion group on LinkedIn DEPARTMENTS Letters ........... 6 Calendar ........ 8-9 Who's Who ....... 50 Reader Service .... 62 Economic Indicators ..... 63-64 ADVERTISERS Literature Review .. 56 Product Showcase .. 57 Classified Advertising .... 58-60 Advertiser Index ... 61 COMING IN JANUARY Look for: Feature Reports on Total Cost Analysis; and HeatTransfer; Engineering Practice articles on Project Management Mistakes; and Lubrication for Rotating Machines; News articles on Ammonia; and Centrifuges; and more Cover: David WhitcherSketch courtesy of Jay Hudson CHEMICAL ENGINEERING WWW.CHE.COM DECEMBER 2011 3 Our redesigned website featuring: More on grid-energy storage; New Products; Latest News items; and morehttp://www.che.com http://WWW.CHE.COM