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December 2009, Vol. 105, No. 12
In This Issue
SAFETY
Should Your Organization Fly Warning Flags?
In the safety culture of some companies, the first recognition of trouble may be a sudden and massive failure. Learn how to decipher the warning signals to avoid safety incidents.
Ian Sutton
CAREER CATALYST
Assessing Competency During the Hiring Process
Interviews and references provide insight into what a job candidate has accomplished. Competency assessment helps the employer ascertain how an individual will actually think and behave on the job.
Lisa L. Walker
BACK TO BASICS
Applying Mass and Energy Balances to Spray Drying
Mass and energy balances are not just for process and equipment design. They can also be used to improve dryer operations by answering various “what-if” questions about temperatures, flowrates, and moisture contents.
Tim Langrish
REACTIONS AND SEPARATIONS
Visualizing the McCabe-Thiele Diagram
Use this spreadsheet-based visualization and interactive analysis of the McCabe-Thiele diagram to understand the foundations of distillation engineering.
Paul M. Mathias
Appendices -— Visualizing the McCabe-Thiele Diagram
Appendix A. Function Interp; Appendix B. Details of Excel Calculations
Paul M. Mathias
Spreadsheet — Visualizing the McCabe-Thiele Diagram
This spreadsheet produces McCabe-Thiele diagrams for binary systems so that the interacting effect of process variables can be visualized easily and interactively.
Paul M. Mathias