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...

Legionella: An Invisible Risk

April
2008
News Feature
Cynthia F. Mascone
Ignoring this hidden hazard can put both the public and companies that operate cooling towers at risk.

Grand Challenges for Engineering

April
2008
News Feature
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

April
2008
Environmental Management
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

April
2008
Fluids and Solids Handling
John W. Carson
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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