2008

Getting to Win-Win

September
2008
Career Catalyst
Ryland W. Musick Jr., Eldon R. Larsen
Conflict is an almost unavoidable part of life and work, and it can lead to surprisingly constructive opportunities. Here is a discussion of how to manage conflicts— and how to make the most of them when they occur.

The Future of Coal-Based Power Generation

March
2008
Special Section
James R. Katzer
Despite its image as a dirty fuel, coal remains an economic choice for baseload power generation—and it can, in fact, have very low emissions.

Evaluating Cooling Tower Upgrades

May
2008
Heat Transfer
Tom Dendy
When considering improvements to cooling towers, it's important to perform an economic analysis of the options.

Speeding the Design of Bioprocesses

May
2008
SBE Special Section
Sunil Chhatre , Andrew D. Tustian
These experimental and modeling techniques enable the rapid, cost-effective design and scale-up of biopharmaceutical manufacturing in an integrated fashion.

Analyzing Equilibrium when Noncondensables Are Present

April
2008
Environmental Management
Allen Hatfield
With the simplifying assumption that all of the noncondensable gases exit via the vapor stream, material balances and equilibrium calculations can be used to determine the compositions of the emissions streams leaving a control device.

Conference Explores Developing Bioeconomy

March
2008
Special Section
Brad Buecker
Infrastructure, biomass conversion, sources of biomass, and environmental and other impacts are some of the challenges facing the commercialization of biofuels.

Dealing with Climate Change at the Local Level

February
2008
Opinion
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 Model-Predictive Control to Improve Distillation Operations

January
2008
Instrumentation
Robert J. Conroy, Umesh Mathur, Robert D. Rounding, Daniel R. Webb
This methodology, based on steady-state and dynamic simulation, can be used to develop the necessary models— and avoid disruptive and costly step testing to the extent feasible.

Use Spreadsheets to Estimate Modeling Parameters

February
2008
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.

Harnessing Natural Energy

March
2008
Special Section
Travis W. Walker
Before solar and wind energy can be widely exploited, a method for storing the energy provided by these intermittent sources and releasing it as demand arises must be developed.

Selecting Agitator Seals for Bioprocessing Applications

January
2008
Fluids and Solids Handling
Gregory T. Benz, William Ho Liam Teng
Issues such as sterility, isolation and contamination must be considered when choosing seals for use in biotech and pharmaceutical processes. This overview describes common types of seals and offers guidance on selecting the appropriate seal for...
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