CEP: September 2004 Back in January 2002, CEP published a 16-page special on "An Evolution in Chemical Engineering,"and I asked you "Where are we headed?"Nearly three years later, I find myself pondering the same question... Share Reliability for Safety Instrumented Systems September2004InstrumentationJ. Patrick Williams This article offers a detailed reliability-based methodology for determining the safety integrity level of instrumented systems by providing overpressure protection where arrangements of multiple pressure-relief valves are impractical to implement. Conduct an Effective Incident Investigation September2004SafetyFrederick T. Dyke Information that can reveal the root cause of an incident resides in many places — within the plant or process unit, in control rooms and offices, and even in witnesses’ minds. Here’s how to find the data and conduct effective witness interviews. Accurately Predict the VLE of Thiol-Hydrocarbon Mixtures September2004Reactions and SeparationsWayne Sim, Vince Tassone, Chorng H. TwuThis methodology can be used to calculate vapor-liquid equilibria (VLE) between thiols and hydrocarbons at any composition, temperature or pressure to improve gasoline fractionation processes. People - The Key to Successful Project Management September2004Career CatalystEldon R. Larsen While Gantt charts, timelines, budgets, resource constraints, quality challenges, performance measures, and other tools are important, they are neither meaningful nor effective without people. 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.