AIChE

Selecting Nickel Alloys for Corrosive Applications

May
2007
Materials
Paul Crook
Nickel 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.

Be a Better Bargainer

July
2002
Career Catalyst
Robert W. Bly 
Follow these pointers to succeed in win-win negotiations.

Shortcut Distillation Calculations via Spreadsheets

December
2002
Reactions and Separations
Jake Jevric, Muhammad E. Fayed
This 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.

Improve Your Telephone Skills

May
2003
Career Catalyst
Make the most of this important tool by practicing some common sense and good etiquette. RobertW.Bly-

Evaluating Dryers for New Services

December
2003
Heat Transfer
Charles G. Moyers
Continuous dryers are accurately and easily evaluated using laboratory-scale simulators combined with the specific drying rate approach.

Improve Plant Reliability by Redefining Roles

June
2004
Management
Kevin Smith
The operator and maintenance technician can play key roles in ensuring equipment reliability and thus maximizing production while maintaining quality.

Maintaining Piping and Support Systems

June
2005
Operations And Maintenance
Gerry May
With proper pipe support design, installation and maintenance, pipe damage should normally not develop for decades.

Increase Powder Flow via Gas Injection

July
2006
Fluids and Solids Handling
Herman Purutyan, John W. Carson, Thomas G. Troxel
Fluidization and air-assisted discharge are two ways to optimize fine-solids handling. However, the choice of technology is as important as designing and operating the system properly.

Understand Discrete Nanoscale Transport

June
2008
On The Horizon
Anh-Tuan Dinh, Chinmay Pangarkar, Samir Mitragotri
Unlike mass, energy and momentum transfer, which are described by continuum equations, the movements and interactions of the nanoscale entitites within a cell constitute the transport phenomenon known as discrete nanoscale transport (DNT).

Preventing Maldistribution in Multi-Pass Trays

April
2010
Reactions and Separations
Henry Z. Kister, Matthew R. Olsson, Richard Dionne, Walter J. Stupin
This method, based on hydraulic equations in the open literature, calculates vapor/liquid distribution in four-pass trays to correctly predict flooding and efficiency.

Implementing an IACS Patch-Management Program

May
2011
Information Technology
Kevin Staggs
Maintain state of the art industrial automation and control systems (IACS) by using these steps to support an effective patch management program and implement it with minimum risk.

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