CEP: May 2007 I'd like to let you know about some recent developments that show how AIChE continues to be a leader when it comes to cooperative activities with other professional societies. Share Diagnosing Maldistribution in Towers May2007Reactions and SeparationsSimon X. XuGamma CAT-scan technology makes possible the collection of much more vital online process information than conventional diagnostic techniques. Determine the Efficiency of Air-Pollution Control Devices May2007Environmental ManagementLewis S. BuchananForbatch processes, use a surrogate feed stream to simulate the inlet conditions necessary for stack testing to demonstrate compliance. Selecting Nickel Alloys for Corrosive Applications May2007MaterialsPaul CrookNickel 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. Dividing-Wall Columns Find Greater Appeal May2007News FeatureGerald ParkinsonConceived 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. 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.