CEP: December 2007 Having just returned from a week-long trip to Salt Lake City for the AIChE Annual Meeting (Nov. 4-9), I was energized by the unbridled enthusiasm of the students and volunteers, as well as the many attendees who commented positively on the session topics and special events... Share Is Your Cold Lime Softener Effective? December2007Reactions and SeparationsLoraine HuchlerIf your plant's utility system is experiencing problems, the culprit may be the clarifier. Understanding how to diagnose and correct off-spec clarifier operation will allow downstream units to function more efficiently and reliably. SBE Update: From Idea to Reality December2007SBE Special Section SBE and Industry News December2007SBE Special Section Engineering Organs: Heart and Esophagus December2007SBE Special SectionBuddy D. RatnerThe potential for tissue engineering to transform the practice of medicine is enormous. Chemical engineers will play important roles in this revolution. Bioprinting: Directed Tissue Self-Assembly December2007SBE Special SectionVladimir Kasyanov, Roger Markwald, Vladimir MironovImagine eliminating patient waiting lists for organ transplants. Bioprinting holds the promise of making this happen, but, must research must be done first. Conducting Polymers: A Bridge Across the Bionic Interface December2007SBE Special SectionGeoffrey M. Spinks, Gordon G. WallaceInherently conducting polymers (ICPs) exhibit a variety of dynamic behaviors that make them an exciting platform for a new generation of bionic devices. A Smarter Way to Detect Fugitive Emissions December2007News FeatureGerald ParkinsonScanning with an optical imaging camera is a faster, cheaper method of finding leaks in a maze of process equipment. Assess the Performance of Positive-Displacement Pumps December2007Fluids and Solids HandlingAIChE's Equipment Testing Procedures CommitteeHere's how to evaluate rotary pumps— gear, lobe, vane and multiple-screw designs— regardless of whether the material being handled is a Newtonian or non-Newtonian fluid. Copyright Permissions: Would you like to reuse content from CEP Magazine? It’s easy to request permission to reuse content. Simply click here to connect instantly to licensing services, where you can choose from a list of options regarding how you would like to reuse the desired content and complete the transaction.