CEP: February 2015

"Ethics - Examining Your Engineering Responsibility" looks at several well-known incidents, focusing on their nontechnical causes. It then discusses how to avoid potentially difficult spots and what you might do if you find yourself in one. Other topics in this issue include controlling column pressure via hot-vapor bypass, modeling chemical reactors, and measuring viscosity.

Editorial

Navigating Ethical Dilemmas

It seems not a day passes without news reports of a politician or corporate executive taking bribes, engaging in insider trading, or getting caught up in some other ethical dilemma. As engineers, though, we will more likely find ourselves in situations that have subtler, less-obvious ethical undertones.

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Ethics — Examining Your Engineering Responsibility

February
2015
Career Catalyst
Deborah Grubbe
Engineering ethics frequently has nothing to do with technology and everything to do with communication, thought and decision-making patterns, and conflicts around time and money.

Control Column Pressure via Hot-Vapor Bypass

February
2015
Back To Basics
Daryl Hanson, Henry Z. Kister
Hot-vapor bypass employs a flooded condenser located at ground level to control distillation tower pressure. It offers capital cost savings, but can be tricky to implement. This article offers guidance on designing and troubleshooting a hot-vapor bypass system.

Modeling Chemical Reactors

February
2015
Reactions and Separations
Ed Fontes
Models can be used to describe chemical reactors to help solve problems and optimize processes, while saving time, money, and resources.

Measure Viscosity Effectively

February
2015
Instrumentation
Robert McGregor
Knowledge of a material’s rheological behavior can be of value for research and development, process design, and quality control. This article provides a foundation for understanding viscosity measurement.
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