AIChE | The Global Home of Chemical Engineers

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...

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...

How Good Are Your Data?

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

Fundamentals of Industrial Catalytic Processes, 2nd Edition

October, 2005
Catalysis is central to the chemical industry, as it is directly or involved in the production of almost all useful chemical products. In this book the authors, present the definitive account of industrial catalytic processes. Throughout Fundamentals of Industrial Catalytic Processes the...

Estimate Storage Tank Emissions

August
2001
Environmental Management
Jimmy  Peress
Use this shortcut to quickly determine emissions from fixed-roof storage tanks.

Controlling NOx Emissions - Part 2

April
2002
Environmental Management
Mike Bradford
NOx reduction technologies include selective catalytic reduction, selective noncatalytic reduction, and catalytic oxidation/scrubbing.

Disinfect with Sodium Hypochlorite

March
2003
Safety
Anton G. Callery
Sodium hypochlorite is an effective alternative to chlorine gas. Follow these guidelines for its safe use.

Understanding Sealing Solutions

July
2009
Back To Basics
Jim Drago, Matt Tones
The right seal can help a plant save money, eliminate leaks, and avoid safety problems. Here’s how to select and install gaskets for effective sealing.

Legionella: An Invisible Risk

April
2008
News Feature
Cynthia F. Mascone
Ignoring this hidden hazard can put both the public and companies that operate cooling towers at risk.

Evaluating Chiller Performance

May
2003
Heat Transfer
Charles Churchman
Use these simple temperature and flow measurement techniques to evaluate chilled-utility performance and identify the most cost-effective upgrades.

A ChE's Guide to Toxicology

June
2004
Environmental Management
Lisa M. Sweeney
Toxicology impacts a chemical engineer in a variety of ways. Here's what you need to know about the basics of this field.

Predesign with Safety in Mind

July
2006
Safety
Gael D. Ulrich, Palligarnai T. Vasudevan
This article will help you develop strong safety instincts that will guide you in making critical decisions in the preliminary design phase.

Controlling Risk During Major Capital Projects

April
2009
Safety
William Bridges
Think of process safety management (PSM) as a project deliverable, and follow these best practices for scheduling and performing process hazard analyses (PHAs) and completing other PSM requirements during key phases of a major project.

Addressing Combustible Dust Hazards

May
2011
Back To Basics
Michelle Murphy, Molly R. Myers, Judy Perry
Facilities that handle or generate dusts are at risk for explosions and flash fires. Follow this approach to understand and mitigate your combustible dust hazards.

Clean Up Contaminated Sites

January
2002
Environmental Management
Faisal I. Khan
Risk-based monitored natural attenuation effectively monitors the extent of contamination, the associated risk, and the effectiveness of natural clean-up processes.

Estimate Emissions from Vacuum Operations

May
2002
Environmental Management
Jimmy Peress
This article compares empirical methods and test methods for determining air-leakage rates and offers guidelines on their use.

Conduct an Effective Incident Investigation

September
2004
Safety
Frederick T. Dyke
Information that can reveal the root cause of an incident resides in many places — within the plant or process unit, in control rooms and offices, and even in witnesses’ minds. Here’s how to find the data and conduct effective witness interviews.

Specifying Laser Scanning Services

May
2005
Plant Design
Eric Hoffman
Increasingly, project managers are called upon to employ laser scanning technology. However, little information available to aid with its specification. This article discusses the basics of laser scanning and the parameters that should be included...

Create Business Value Through Process Modeling

September
2007
Management
Bernard McGarvey
As businesses strive to improve productivity, process modeling can be a powerful tool. This article explores the role of modeling in enhancing the effectiveness and efficiency of process development and manufacturing.

Measuring Temperature by Indirect Means

November
2011
Back To Basics
Gary Freemer
Noncontacting infrared thermometers can be used in many applications that are too harsh or impractical for thermocouples and resistance temperature detectors. Understand their principles of operation and their advantages and limitations to select...

CEP: YPOV - Engineering Cyber Security

July
2012
YPOV
Arjun Gopalratnam
Between March and April 2010, a powerful but seemingly limited computer worm, now referred to as Stuxnet, infected computers around the world, beginning in Iran and spreading to Indonesia and India. A recently published book uncovers findings on the origin of the worm and raises concerns that are relevant to chemical engineers everywhere.

Use Case Histories to Energize Your HAZOP

March
2001
Safety
Glenn  Mahnken
Reviewing incident reports at a HAZOP meeting is more than just a lessons learned activity. It can spur sharper thinking and lead to a more telling analysis of your processes.

Correctly Calculate the Potential to Emit

December
2001
Environmental Management
Janet Scheier
Determining maximum capacity and ensuring that permit limits are federally enforceable are critical to calculating PTE.

Tackling the Human Challenges of Facility Security

February
2006
Safety
Dennis A. Attwood, Bill Effron
The increased complexity of security systems may come at the expense of the user. Thus, they must be designed to match their operators' capabilities and limitations.

Oxygen and Nitrogen: Onward and Upward

January
2009
News Feature
Suzanne Shelley
Innovative advances continue to benefit all three of today's air separation technologies, helping to reduce power consumption and capital costs, and, in turn, expand their markets.

Don't Let History Repeat Itself

August
2007
Safety
John F. Murphy, P.E.
Heed these lessons learned from investigations conducted by the Chemical Safety and Hazard Investigation Board to prevent accidents at your site.

Grand Challenges for Engineering

April
2008
News Feature
Gordon Ellis
Twentieth-century engineering enabled life as we know it. The National Academy of Engineering looks at what is needed in the future.

Determine the Optimum Number of Process Trains

January
2010
Back To Basics
Gregory T. Benz
This article demonstrates that the repair and expense costs of process trains are not proportional to their capital costs and that, in most cases, building one plant with a single process train is the most economically efficient choice. <br>...

Process Safety Beacon - Emergency Preparation - The Titanic Disaster

July
2012
Process Safety Beacon
More than 1,500 people died in the most famous maritime disaster in history. Thousands of pages have been written about the loss of the Titanic, and many documentary and fictional movies produced. Many focus on the construction of the ship and the actions of its captain and crew. Whatever the construction and operating issues, attention to one particular issue could have saved many lives — emergency preparation.

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