CEP: February 2008

This year, as AIChE celebrates its 100th birthday, we salute the many contributions of chemical engineers to improving the world. This month, we also celebrate National Engineers Week, Feb. 17-23...

RFID - Rx for Drug Security?

News Feature
Gerald Parkinson
Some pharmaceutical companies are turning to radio frequency identification to protect against counterfeiting and theft of expensive drugs.

Piloting Bioreactors for Agitation Scale-Up

Reactions and Separations
Gregory T. Benz
This article offers guidance on how to design appropriate experiments to measure scalable data for agitation in both aerobic and anaerobic bioreactors.

Avoid Chemical Reactivity Incidents in Warehouses

Scott Berger, J. Wayne Chastain, William W. Doerr, Scott Berger and Peter N. Lodal, Peter Lodal
Use this approach for the initial evaluation of potential reactivity hazards in storage applications.

Dealing with Climate Change at the Local Level

Paul A. Jennings
Whatever problems may be caused by climate change, engineers will be expected to solve them.Now is the time to begin addressing the issues at the local and regional scale.

Use Spreadsheets to Estimate Modeling Parameters

Computational Methods
Tomas B. Co
Dynamic process modeling based on non-uniformly sampled data and multiple sampling runs, even for nonlinear systems, can be performed using spreadsheet implementations of the weighted-least-squares (WLSQ) and Runge-Kutta WLSQ methods.
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