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...

Accurately Predict the VLE of Thiol-Hydrocarbon Mixtures

Reactions and Separations
Wayne Sim, Vince Tassone, Chorng H. Twu
This 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

Career Catalyst
Eldon 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.

Reliability for Safety Instrumented Systems

J. 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

Frederick 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.
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