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Welcome to Chemical Engineering
Progress
Current Issue
December 2008, Vol. 104, No. 12
In This issue
CRITICAL ISSUES
Nanomaterials: What are the Environmental and Health Impacts?
As with previous emerging technologies, there have been uncertainties and concerns about the environmental and health risks associated with nanotechnology. This article reviews some of the ongoing efforts to better understand and characterize nanomaterials
Nastassja Lewinski
SAFETY
Safe Automation Through Process Engineering
Use this step-by-step procedure to apply safety instrumented systems (SISs) and continuously reduce risk.
Angela E. Summers
FLUIDS AND SOLIDS HANDLING
Find Mixing Success Through Failures — Part 2
Understanding when and why mixing fails in the laboratory is often the only way of avoiding a similar failure in a production-scale reactor. Here we examine mixing in stirred-tank reactors and provide guidance on scale-up.
David S. Dickey and Gary K. Patterson
CAREER CATALYST
Taming Intrapersonal Pirates of Performance
Don’t let preconceived notions, preoccupation, and poor perception plunder your progress. These exercises will show you how to scuttle these scallywags, and make teamwork smooth sailing.
Saidas M. Ranade