AIChE

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...

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.

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.

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
Wei-Shou Hu, Karthik P. Jayapal, Katie F Wlaschin, Wei-Shou Hu and Miranda G. S. Yap
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
Darlene Schuster, Calvin Cobb, Darlene Schuster, Beth Beloff and Dicksen Tanzil
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.

CEP: Process Safety Beacon - Hot Work Hazards

August
2012
Process Safety Beacon
A contract welder and a foreman were repairing an agitator support on top of an atmospheric-pressure storage tank. The tank contained a polyvinyl fluoride slurry with a flammable concentration if vinyl fluoride in the vapor space. An explosion...

Producing Fuels and Chemicals from Lignocellulosic Biomass

August
2008
SBE Special Section
Mark Holtzapple, Rocio Sierra, Aaron Smith, Cesar Granda and Mark T. Holtzapple
As oil and natural gas prices rise, lignocellulosic biomass becomes a viable feedstock for the fuel and chemical industries— provided key issues are addressed.

SBE Update

July
2009
SBE Special Section
June Wispelwey
Improving Biopharmaceutical Development

A New Strategic Plan Catalyzes AIChE

November
2008
Centennial
John Sofranko, Richard Cain, Lawrence Evans, Dale Keairns, H Scott Fogler, Lawrence B. Evans, Dale L. Keairns, H. Scott Fogler, John A. Sofranko, and Rick Cain
In its second century, AIChE will be a globally recognized leader serving the diverse needs of the chemical engineering profession and society. Implementation of the strategic plan will focus on specific goals that reach beyond traditionalboundaries.

The World of Wireless

February
2010
News Feature
Matthew McKeon-Slattery
As wireless technologies have advanced, old limits have been overcome and new challenges have sprung up. Further growth is likely to be driven by specific application and cost-reduction needs. <br>

The ChE's Role in Energy Research and Technology

April
2009
Special Section
Bond Calloway
Surveys of the energy-related papers presented at AIChE's annual meetings provide insights into the role of chemical engineers in energy science and engineering.

Succeed at Process Integration

January
2004
Career Catalyst
Alan Rossiter
In the application of pinch analysis for energy efficiency improvement and process optimization, technical excellence is necessary and human interactions are important for project success.

Rapid Process Design

September
2006
Reactions and Separations
Michael Doherty, Sagar B. Gadewar
Use this structured approach, which combines preliminary experimental data with predictive methods and heuristics, to quickly generate and screen process alternatives at the early stages of a new venture.

SBE Special Section - Industrial Biotechnology

October
2005
SBE Special Section
June Wispelwey
Student Chapters Have Arrived! SBE Frontier Tutorial Second Bioengineering and Nanotech Conference Michael Shuler Wins Inaugural James E. Bailey Award Fishing Out Unusual DNA Enzyme is Linked to Neurological Disease

What are Chemical Engineers Doing About Energy?

March
2008
Special Section
Bond Calloway
The first annual energy survey conducted by AIChE's Research and New Technology Committee provides insights into the energy-related research of chemical engineers.

Avoid Chemical Reactivity Incidents in Warehouses

February
2008
Safety
Peter Lodal, Scott Berger, J. Wayne Chastain, William W. Doerr, Scott Berger and Peter N. Lodal
Use this approach for the initial evaluation of potential reactivity hazards in storage applications.

The AIChE Sustainability Index: The Factors in Detail

January
2009
Special Section
Darlene Schuster, Calvin Cobb, Darlene Schuster, Beth Beloff and Dicksen Tanzil
The AIChE Sustainability Index provides practical benchmarks along a number of well-defined metrics.

How to do an Internal FDA Audit

October
2001
Management
Gavin Sinclair
Meeting FDA regulations is not optional. The costs are high for any company that does not act responsibly to ensure that all additives are meet the required regulations.

Process Safety: How are you Doing?

May
2008
Safety
Scott Berger, Tim Overton and Scott Berger
Use these metrics to benchmark your company's process safety performance, and to set a course toward continual improvement.

Using Genomic Tools to Improve the Production of Biologics

November
2009
SBE Special Section
Wei-Shou Hu, Nitya M. Jacob, Wei-Shou Hu, Bernard Liat Wen Loo, and Miranda Yap
Recombinant DNA technology transforms mammalian cells into factories for protein-based therapeutics. New techniques provide chemical engineers with a better understanding of the process as well as the cells themselves.

Developing Cell Therapy Biomanufacturing Processes

November
2010
SBE Special Section
Jon A. Rowley
Establishing scalable technology platforms that allow for varying levels of production throughout the different stages of clinical testing can minimize process development timelines, drug-comparability risks, and — ultimately — costs.
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