www.che.com AUGUST 2013 VOLUME 120, NO. 8 COVER STORY 32 Cover Story Ten Things You May Not Know About Liquid Mixing Scaleup Follow the guidance provided here to ensure success when moving liquid-mixing systems from small-scale to commercial-scale units NEWS 9 Chementator Commercialization is set for a biomass-to-gasoline process; Ethylene in FCC off-gas is upgraded for motor fuels; Inorganic membranes show promise to halve energy consumption in distillation; A solid way to eliminate contaminants from wastewater; Reduce air consumption by AODD pumps with this technology; and more 14 Newsfront Bio-Based Chemicals Gain Market Acceptance An acceleration of commercialization for a number of bio-based building blocks, including several four-carbon compounds, signals further confidence in the industry as a whole 18 Newsfront Modeling Optimized Processes Advanced features in easier-to-use formats allow chemical engineers to take advantage of process-modeling solutions for organization-wide optimization ENGINEERING 24a Facts at Your Fingertips Detection and Prevention of DP:DPO Fluid Leaks This one-page reference discusses how to maintain a leak-tight heat-transfer-fluid system when using diphenyl-diphenyl oxide (DP:DPO) eutectic heat-transfer fluids 25 Technology Profile Methanol-to-Propylene Technology This one-page profile describes the technology and economic considerations for the production of propylene from methanol 40 Feature Report Pinch Analysis for Production Planning in Manufacturing Industries The two new graphical techniques presented here can help optimize factory capacity and financial resources 14 32 18 CHEMICAL ENGINEERING WWW.CHE.COM AUGUST 2013 1http://www.che.com http://WWW.CHE.COM