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Back Issue
August 2007, Vol. 103, No. 8
In This Issue
COVER STORY
2007 AIChE Employment & Salary Survey: Riding a Positive Wave to Higher Income
Chemical engineering salaries continue to move on an upward trend. In 2007, chemical engineers broke the $100K barrier — reporting a median salary of $103,730, up 12.6% from two years ago.
Kristine Chin
NEWS STORY
A Renewable Route to Propylene Glycol
Rapid expansion in biodiesel production has spurred a bumper crop of competing processes to turn byproduct glycerin into propylene glycol.
Suzanne Shelley
SAFETY
Don't Let History Repeat Itself
Heed these lessons learned from investigations conducted by the Chemical Safety and Hazard Investigation Board to prevent accidents at your site.
John F. Murphy, P.E.
REACTIONS AND SEPARATIONS
Selecting Laboratory Reactors
This article outlines some of the considerations involved in selecting and specifying a reactor system for research and development applications.
Marcello Picciotti and Francesco Picciotti
FLUIDS AND SOLIDS HANDLING
Properly Select Equipment for SIP Systems
Sterilization-in-place (SIP) systems are essential to the operation of many pharmaceutical and biotech facilities. This article reviews design considerations, selection criteria and performance expectations for control valves, regulators, isolation valves and steam traps.
Tony George