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September 2009, Vol. 105, No. 9
In This Issue
NEWS
Whatever Happened to the Class of 2009?
Regardless of their current employment status and personal outlook, the new class of chemical engineering graduates is confident that they possess a unique versatility and capacity to make good and do good.
Gordon Ellis
OPINION
What Does It Mean To Be Green?
Sustainability encompasses green chemistry and green engineering, among other concepts. This article explores some of the principles of sustainability and provides a framework for developing a lifecycle approach to chemical engineering.
Phillip E. Savage, P.E.
CAREER CATALYST
A Pre-Flight Check for a Smooth Landing
With the correct attitude and a well-charted approach, you can make a smooth landing even in turbulent times.
Lisa L. Walker
FLUIDS AND SOLIDS HANDLING
Handle Bulk Solids Safely and Effectively
Follow these guidelines for proper design of bins, hoppers, and feeders to avoid operational and safety problems.
Greg Mehos and Eric Maynard
BACK TO BASICS
Choosing Trays and Packings for Distillation
Tower-related problems can be difficult, time-consuming, and expensive to diagnose and fix. Here’s how to avoid difficulties and improve operating efficiency.
Mark Pilling and Bruce S. Holden
INSTRUMENTATION
Choose the Right Gas Sensor
Selecting a sensor for continuous monitoring involves many considerations. This article discusses the types of sensors available, their applicability and limitations, and how to choose an appropriate sensor to protect people and equipment.
Sandra Barnes and Leo T. Old