CEP: April 2010 What will you be doing on Thursday, April 22? At CEP, our critical-path activity will be performing a final on-screen check of the pages that will become the May issue. But we will also make time to celebrate Earth Day. I hope you will, too... Share Preparing Invention Disclosures April2010ManagementWilliam D. HallThe patent process can be a costly journey down a long and winding road. An invention disclosure serves as a roadmap for preparing the patent application and ultimately obtaining a valid, enforceable patent. Designing Four-Pass Trays April2010Back To BasicsDaniel R. SummersUse this procedure to design four-pass distillation column trays and to balance the vapor/liquid ratio on each tray panel. Preventing Maldistribution in Multi-Pass Trays April2010Reactions and SeparationsRichard Dionne, Henry Z. Kister, Matthew R. Olsson, Walter J. StupinThis method, based on hydraulic equations in the open literature, calculates vapor/liquid distribution in four-pass trays to correctly predict flooding and efficiency. Contemplating a New Phase of Your Career April2010Career CatalystLisa L. WalkerToday’s employment environment has altered the concept of “career.” If you are attempting to change jobs or enter a different industry — or even considering a second career — it is important to understand your motivations and proceed with care. Using High-Fidelity Dynamic Simulation to Model Compressor Systems April2010Fluids and Solids HandlingAbhilash Nair, Ian WillettsEnjoy the benefits of “20-20 hindsight” even before commissioning a new compressor or new compressor controls. 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.