CEP: December 2002 Tackling sensitive and timely issues that impact the general public and in which chemical engineers can play a key role is the continuing theme of the Critical Issue Series (CIS; p. 15)... Share Evaluating the Economics of Desalination December2002Heat TransferHisham M. Ettouney, Hisham T. El-Dessouky, Peter J. Gowin, Ron S. FaibishThis article presents an in-depth analysis of thermal and membrane desalination economics and outlines a simple procedure for calculating the unit product cost for various desalination processes. Applying Bus Technologies in Process Control December2002InstrumentationEd SmigoFieldbus technologies have become increasingly popular in process control applications. This article highlights the practical applications and economics of various buses, so that an engineer can choose the best one for his or her process. Understand the Capabilities of Bio-Oxidation December2002Environmental ManagementJames T. BoswellRelatively uncomplicated design and simple operation and maintenance requirements make biofiltration a good option for many types of air emissions control. General Rules for Aboveground Storage Tank Design and Construction December2002Fluids and Solids HandlingChaitali DaveVarious codes and regulations dictate the specification and construction of these tanks, helping to ensure optimum design and safe operation. Shortcut Distillation Calculations via Spreadsheets December2002Reactions and SeparationsJake Jevric, Muhammad E. FayedThis method uses a numerical solution to the McCabe-Thiele diagram to find the theoretical number of stages for binary and pseudo-binary systems,then calculates the actual number of stages, reflux ratio and column dimensions. Decommissioning Process Plant Facilities December2002ManagementLou PhillipsWhether the plan is to shut down an entire plant, or just a portion of it, a definitive plan must be in place. Here is a step-by-step procedure to guide you through the process. Use E-mail Effectively December2002Career CatalystGary BlakeThese tips will help improve your e-mail style and make sure that your e-mail is effective intrinsically, as well as fitting the new electronic expectations of a wide range of cyber colleagues. 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.