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... Share Grand Challenges for Engineering April2008News FeatureGordon EllisTwentieth-century engineering enabled life as we know it. The National Academy of Engineering looks at what is needed in the future. Successfully Scale Up Solids Handling April2008Fluids and Solids HandlingK. Eric Bengtson, John W. Carson, Thomas G. TroxelA 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... Analyzing Equilibrium when Noncondensables Are Present April2008Environmental ManagementAllen HatfieldWith 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. 40 Mileposts of Professional and Institute Progress April2008Centennial Legionella: An Invisible Risk April2008News FeatureCynthia F. MasconeIgnoring this hidden hazard can put both the public and companies that operate cooling towers at risk. Copyright Permissions: Would you like to reuse content from CEP Magazine? It’s easy to request permission to reuse content. Simply click here to connect instantly to licensing services, where you can choose from a list of options regarding how you would like to reuse the desired content and complete the transaction.