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Back Issue
May 2007, Vol. 103, No. 5
In This Issue
COVER STORY
Diagnosing Maldistribution in Towers
Gamma CAT-scan technology makes possible the collection of much more vital online process information than conventional diagnostic techniques.
Simon X. Xu and William Mixon
NEWS FEATURE
Dividing-Wall Columns Find Greater Appeal
Conceived more than seven decades ago, dividing-wall columns are now only gaining widespread acceptance. The reasons — the drive to save energy and advances in computer technology that have overcome the burden of doing complex column internal designs.
Gerald Parkinson
ENVIRONMENTAL PROTECTION
Determine the Efficiency of Air-Pollution Control Devices
For batch processes, use a surrogate feed stream to simulate the inlet conditions necessary for stack testing to demonstrate compliance.
Lewis S. Buchanan
MATERIALS OF CONSTRUCTION
Selecting Nickel Alloys for Corrosive Applications
Nickel and its alloys offer resistance to attack by a wide range of chemicals, including acids, alkalis and salts, making these materials suitable for may CPI applications.
Paul Crook