AIChE

Systems Biology and Synthetic Biology

March, 2009
The genomic revolution has opened up systematic investigations and engineering designs for various life forms. Systems biology and synthetic biology are emerging as two complementary approaches, which embody the breakthrough in biology and invite application of engineering principles. Systems...

Managing Dust Explosion Hazards

August
2009
Safety
Vahid Ebadat
Companies that handle powders or other particulate solids need to be aware of the potential for fire and explosions, and follow industry best practices, codes and standards to manage the risk.

Using Automation to Produce Quality Pharmaceuticals

October
2011
Instrumentation
Joseph S. Alford, P.E.
Automation can pay large dividends in the form of reduced process cycle times, lower operational costs, and more-consistent processes for manufacturing high-quality pharmaceutical products.

Select the Best Model for Two-Phase Relief Sizing

May
2001
Safety
Ron Darby, Paul R. Meiller, & Jarad R. Stockton , Ronald Darby
A variety of methods exist for sizing valves, but not all give the best predictions for certain conditions. RonDarby-PaulR.Meiller-JaradR.Stockton-

Use TRIZ in Reverse to Analyze Failures

May
2005
Career Catalyst
Jack Hipple
Asking “how could I make this fail?” can help you to identify potential problems that you might not otherwise have considered.

Bringing a Star to Earth

April
2009
Special Section
Bond Calloway, Jan Berry
An international R&D effort to build a fusion reactor and demonstrate the feasibility of fusion power is underway.

Handle Bulk Solids Safely and Effectively

September
2009
Fluids and Solids Handling
Eric Maynard, Greg Mehos and Eric Maynard
Follow these guidelines for proper design of bins, hoppers, and feeders to avoid operational and safety problems.

CEP: Journal Highlight - ChemEs get Schooled in Sustainability

August
2012
Journal Highlight
David T. Allen- University of Texas at Austin, David R. Shonnard- Michigan Technological University
Sustainable design will be required if the world is to support a growing population with increasingly higher living standards.

Optimize Process Regulation

December
2001
Instrumentation
Phillip D. Schnelle
Laboratory feedback proportional-integral control integrates statistical process control with automatic process control to minimize process variability.

Is Your Dust Collection System An Explosion Hazard?

October
2003
Safety
Vahid Ebadat
The prevalence of dust explosions in dust collection units may be due to the fact that the hazards posed by the powders handled are not fully understood or that explosion preventive and protective control measures are insufficient or absent. This...

Energy Research: Following the Money

July
2010
Special Section
Bond Calloway
Surveys of the energy-related papers presented at AIChE’s annual meetings shed light on the funding pathways for energy research by chemical engineers.

CEP: News Update

August
2012
News Update
Updates Include: The Natural Gas Debate Continues Smart Material Stays Cool in the Heat Firefly-Semiconductor Hybrid Lights Up Ionic Liquid Improves Hydrogen-Producing Catalyst One-Pot Synthesis Yields Zeolites at Bargain Prices High-Carbon Diet...

Employment of Chemical Engineers

January
2002
Special Section
Freeman Self, Freeman Self 
An analysis of past employment data can help identify future trends in chemical engineering. FreemanSelf-EdEkholm-

Applications in Drug Delivery and Tissue Engineering

February
2006
SBE Special Section
Ali Khademosseini, Robert Langer
Nanotechnology is an emerging field that could potentially make a major impact on human health. Nanomaterials promise to revolutionize medicine and are increasingly used in drug delivery or tissue engineering applications.

The Road to Sustainability

June
2007
Special Section
Darlene Schuster
What are some of the resources available to support industry's implementation of sustainability?

Solve Problems Inventively

April
2005
Career Catalyst
Jack Hipple
The TRIZ methodology encourages you to approach problems from a different angle. Here’s a primer on the basics of the technique and the tools available to implement it.

Avoid Bulk Solids Segregation Problems

April
2012
Fluids and Solids Handling
Eric Maynard, Eric Maynard
Powder blend consistency can be difficult to maintain during processing. This article provides an overview of common segregation mechanisms, highlights key sampling techniques, and offers practical guidance on preventing and solving segregation...

CEP: Institute News - President's Corner

August
2012
Institute News
David Rosenthal
Today's for-profit businesses and nonprofit organizations are faced withe the need to accomplish multiple strategic priorities to achieve their goals for revenue, membership involvement, and longevity. A concept underlying all these priorities is...

Choosing Process Vacuum Pumps

August
2012
Back To Basics
Dr. Don Collins
Vacuum pumps are an integral part of many industrial facilities. Both processing objectives and budget constraints must be considered when selecting a specific pump.

Refocusing Chemical Engineering

January
2002
Special Section
Edward Cussler, Edward L. Cussler
To adapt to changes in the industry, chemical engineers will require a change in mindset, as well as an enhanced skillset.

Make Your Plant More Energy-Efficient

December
2005
Heat Transfer
Alan Rossiter
Improve energy management by optimizing current equipment and operations, implementing economic investments, and engaging in sustaining activities.

Recombinant Protein Therapeutics from CHO Cells -- 20 Years and Counting

October
2007
SBE Special Section
Karthik P. Jayapal, Katie F Wlaschin, Wei-Shou Hu and Miranda G. S. Yap , Wei-Shou Hu
The CHO cell is at its height of technological prominence thanks to its adaptability to various culture conditions and plasticity in the context of genetic alterations. With further research, the application ofCell Culture Strategies based on...

What's Your Problem Solving Style?

August
2004
Career Catalyst
Jack Hipple
Understand how you and others solve problems, and use that knowledge to cultivate organizational relationships and improve individual and team efforts.

Benchmarking Sustainability

June
2007
Special Section
Calvin Cobb, Darlene Schuster, Beth Beloff and Dicksen Tanzil , Darlene Schuster
Unlike other sustainability indices, the AIChE Sustainability Index (SI) accounts for key factors that are fundamental to the chemical process industries.

Government Perspectives on Sustainability

January
2009
Special Section
Alan Hecht
Advances in science and technology, the application of diverse government regulations and policies, and green business practices are all needed to advance sustainabilty. Biofuels production is a good case study to illustrate how government and...

Improve Energy Efficiency via Heat Integration

December
2010
Heat Transfer
Alan Rossiter
Process heat integration using pinch analysis is a respected tool for achieving energy efficiency. This article explains what pinch analysis is and how to use it in process design and operation to attain real-world energy efficiency gains.

How Good Are Your Data?

June
2002
Instrumentation
Scott D. Barnicki
Some thoughts on the measurement and interpretation of vapor-liquid equilibrium

Graphically Assess a Reactor's Characteristics

March
2006
Reactions and Separations
David Glasser, David Milne, David Glasser, Diane Hildebrandt and Brendon Hausberger
Use this technique to analyze reactor/reaction systems for which dependable kinetic data are available, or to quickly find the operating characterisitics needed for the maximum selectivity of a reactant.

Nuclear Waste Policy in the United States

July
2010
Special Section
Bond Calloway, Sarah Widder
The current U.S. reactor fleet produces 2,100–2,400 ton/yr of spent nuclear fuel (SNF). After 50-plus years of nuclear power generation, 64,000 tons of SNF has accumulated in temporary storage at the reactor sites. How did we get where we are, and...

Troubleshoot and Solve Pneumatic Conveying Problems

June
2010
Fluids and Solids Handling
Eric Maynard, Eric Maynard
Use this scientific approach instead of a costly trial-and-error method to diagnose problems and implement solutions for conveying systems.

Engineering a Better Way to Heal Broken Bones

November
2010
SBE Special Section
Matthew B. Murphy
Integrating mesenchymal stem cells and biomaterials shows promise for treating traumatic skeletal injuries via bone tissue engineering.

Alarm Management for Regulated Industries

April
2005
Instrumentation
Joseph S. Alford
This article focuses on the regulatory drivers for alarm management, summarizes key practices, and challenges automation vendors to devise new ways to help customers implement more-effective alarm systems.
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