Legionella: An Invisible Risk
Cynthia F. Mascone
Ignoring this hidden hazard can put both the public and companies that operate cooling towers at risk.
CEP: April 2008
Late last year, contributing editor Suzanne Shelley proposed writing a news story on dust explosions. "I've been gathering a lot of information on this topic, and I think it would make a good article,"she said - not to mention the fact that we should be able to get some dramatic photos to illustrate it...
Grand Challenges for Engineering
Gordon Ellis
Twentieth-century engineering enabled life as we know it. The National Academy of Engineering looks at what is needed in the future.
Analyzing Equilibrium when Noncondensables Are Present
Allen Hatfield
With the simplifying assumption that all of the noncondensable gases exit via the vapor stream, material balances and equilibrium calculations can be used to determine the compositions of the emissions streams leaving a control device.
Successfully Scale Up Solids Handling
John W. Carson, K. Eric Bengtson, Thomas G. Troxel
A sound theoretical model of the process to be scaled is the best approach; if one is not available, bench-scale testing, physical scale modeling or full-scale modeling is required. Here are guidelines as to which method is appropriate for various...
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