AIChE

What's New - Expo Preview

June
2012
What's New?
Read about products and services on display at the Air and Waste Management Association Annual Conference and Exhibit.

What's New?

May
2012
What's New?
See the latest in laboratory equipment—benchtop meters featuring intelligent sensors, instrumentation, operations and maintenance, and materials.

The Chemical Industry Phoenix

June
2012
Process Automation Corner
Terry McMahon
Seven years ago, I wrote a column for another publica­ tion entitled “The U.S. Chemical Industry: R.I.P.” This pillar of American economic strength, which a few years earlier was the leading exporter among U.S. manufac­turing sectors (with net exports of $15–20 billion annually), was shriveling due in large part to policy blunders and regula­tory mistakes.

Advance Your Career in 8 Words or Less

August
2002
Special Section
Kate Wendleton
A short, simple and concise message can be an effective way to let others know about your accomplishments and your worth.

Nitrogen — Hazard and Safeguard

June
2012
Process Safety Beacon
This Beacon is not focused on a single incident, but on incidents that continue to occur across industry — nitrogen asphyxiation.

Physical and Chemical Equilibrium for Chemical Engineers

April, 2012
This book concentrates on the topic of physical and chemical equilibrium. Using the simplest mathematics along with numerous numerical examples it accurately and rigorously covers physical and chemical equilibrium in depth and detail. It continues to cover the topics found in the first edition...

Optimize Heat Exchanger Cleaning Schedules

June
2001
Heat Transfer
Chris D. Gosling, Bruce A. Barna, Brendan R. O'Donnel
Get the most out of your heat exchanger by evaluating the trade-offs between a one-time expenditure and reduced operating expenses, increased income, and/or longer operating life span. Brendan R. O'Donnell - Bruce A. Barna - Chris D. Gosling -

Integrate EHS for Better Process Design

February
2002
Process Development
Lisa Bendixen
Get a jump on process development by addressing environmental, health and safety (EHS) issues together early in the design and development cycle. The result will be a better process and lower costs.

Improve Your Reading Efficiency and Speed

March
2003
Career Catalyst
Robert W. Bly
Are you feeling overwhelmed by the daily influx of memos, letters, reports and journals? These tips will help you develop a systematic method for dealing with the endless stream of material that is essential to your job.

Preparing for GHG Inventory Verification

April
2004
Environmental Management
- Lauren M. Sandler, James T. Wintergreen
To ensure that the greenhouse gas inventory is accurate and complete, prepare for eventual third-party verification during the planning and data collection stages.

Improve Solids Handling During Thermal Drying

November
2004
Fluids and Solids Handling
Thomas G. Troxel , John W. Carson, Herman Purutyan
Follow these guidelines for ensuring the proper flow of slurries, pastes and wet powders to achieve a dried product with the desired characteristics.

Enzyme Discovery: Screening, Cloning, Evolving

October
2005
SBE Special Section
Per Falholt, Thomas Schaefer, Glenn Nedwin
Enzymes are nature’s answer to many industrial and environmental challenges. This article details the latest approaches to enzyme discovery and evolution.

Educational Perspective on the Future of Chemical Engineering

January
2007
Special Section
S. Ranil Wickramasinghe, Gary K. Patterson, James T. Cobb Jr.
Diversification, globalization, emerging technologies...Times have certainly changed for chemical engineers. But, has the undergraduate chemical engineering curriculum kept pace?

Properly Select Equipment for SIP Systems

August
2007
Fluids and Solids Handling
Tony George
Sterilization-in-place (SIP) systems are essential to the operation of many pharmaceutical and biotech facilities. This article reviews design considerations, selection criteria and performance expectations for control valves, regulators, isolation...

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.

Examining X-Ray Technology

March
2009
Fluids and Solids Handling
Ray Spurgeon
Use X-ray inspection to see whether your product is contaminant-free and packaged properly.

Successfully Navigate the Negotiation Process

February
2010
Career Catalyst
Lisa L. Walker
Employment negotiations begin even before a job offer is extended. Having a clear plan of action, and an understanding of your objectives and those of your employer, will help you make the most of this important process. <br>

Reduce Your Compressed Air Costs

October
2011
Fluids and Solids Handling
Bill Scales, Ron Marshall
Annual operating expenses for compressed air systems can exceed the equipment’s purchase price. Follow these seven steps to implement efficiency measures that yield cost reductions.

10 Tips for Managing Your Career

July
2001
Career Catalyst
Bettina  Seidman
Get interpersonally fit by improving your work relationships and honing your communication skills

Succeed in Business in Germany and Switzerland

November
2001
Career Catalyst
Leonore  Clauss, Lionel F. Laroche 
Interactions with the Germans and the Swiss may seem easy, but it's important to understand their way of thinking and their approach to doing business.

Use E-mail Effectively

December
2002
Career Catalyst
Gary Blake
These tips will help improve your e-mail style and make sure that your e-mail is effective intrinsically, as well as fitting the new electronic expectations of a wide range of cyber colleagues.

Think Outside the Box to Reduce Wastes

June
2003
Environmental Management
R. Bruce Hartman, Martin C. Welch
Use this audit procedure to evaluate the current performance of your process safety management processes as well as their future viability.

Marketing Your Professional Expertise to Attorneys

December
2003
Career Catalyst
Rosalie  Hamilton
When you see an expert testify in a legal case on TV and think I could do that, you may be right. Here's what you need to know to become a litigation support consultant.

What’s the Price of Steam?

July
2005
Heat Transfer
Petar Varbanov , Robin Smith
Realistic steam prices are necessary for the efficient operation of a chemical production site, both to allocate realistic costs to the different businesses on the site and to provide a true economic incentive for energy conservation.

Building Models from Simulator Runs

January
2006
Computational Methods
Aad van Veldhoven, Magali de Macedo
The design-of-experiments approach has the advantage of providing the framework to build complex models with minimum use of time and effort.

Improving Heat Exchanger Designs

April
2007
Heat Transfer
David C. King, Thomas G. Lestina, R. Stanley Kistler, Christopher A. Bennett
This article defines and explains the factors that affect heat exchanger design margins. With the proper application of design margins, capital costs can be lowered and plant operations improved.

Nanomaterials: What are the Environmental and Health Impacts?

December
2008
Critical Issues
Nastassja Lewinski
As with previous emerging technologies, there have been uncertainties and concerns about the environmental and health risks associated with nanotechnology. This article reviews some of the ongoing efforts to better understand and characterize...

Realizing the Promise of Wireless

May
2009
Instrumentation
Bob Karschnia, Peter Zornio
Innovation drives the growth of wireless technology, as successful applications demonstrate cost savings, reliability, safety, and ease of use.

Making Smarter Clean-Tech Investments

October
2010
Management
Adam Javan, William J. Grieco
Appropriate due diligence can help investors sort through the hype and identify the most viable ventures.

Selecting a Heat Exchanger Shell

June
2011
Back To Basics
Thomas G. Lestina, P.E.
The first step in specifying a shell-and-tube heat exchanger is choosing the right shell to meet process requirements.

Basics of Centrifugal Pump Selection

May
2002
Fluids and Solids Handling
Michael B. Smith, Drew B. Schiller, Bernadette Pyzdrowski, Kimberly Fernandez
Tips for specification and operation that provide for cost-effectiveness and reliability.

Outsourcing Environmental Compliance

October
2002
Environmental Management
Stephen W. Blocki
Save money and reduce risks by contracting responsibility for maintaining compliance to a pollution-abatement expert.

Guidelines for Crystallizer Selection and Operation

October
2004
Reactions and Separations
Wayne Genck
Continuous crystallizers serve a wide range of applications in the chemical process industries. Optimize system performance by heeding these practical design and operating principles, which apply to the forced circulation (FC), draft-tube-baffle (...

Prepare Now for REACH Compliance

March
2005
Environmental Management
Beth Sirull
Pending legislation would require companies that make or use chemicals in the European Union to register those substances.

Specifying Vessels for High-Pressure Dust Collectors

October
2005
Environmental Management
Todd Russelburg
ASME codes and standards govern the design, fabrication, testing and certification of high-pressure dust collector vessels. This article will assist you in working with a code vessel designer and/or manufacturer.

Designing a Facility for API Development

March
2006
Plant Design
Yasha Zelmanovich, Terrence Fay
Kilo labs are instrumental in scaling up the production of active pharmaceutical ingredients. This article discusses the critical factors that must be considered to design such a facility.

Mother Nature as both Doctor and Patient

November
2006
SBE Special Section
Edwin N. Lightfoot
Once we have grasped some essentials of this riotous, but surprisingly well ordered world, we shall find our transport phenomena background to have real utility.

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.

Save Energy Through Automation

January
2010
Instrumentation
Douglas C. White
Identifying the right automation investments — those with low costs and high impacts — can result in millions of dollars in energy savings for petrochemical plants. <br>

Keeping Global Teams Going

February
2002
Career Catalyst
Lionel F. Laroche
Global teams can maintain their effectiveness by using the right communication tools, following good communication practices, working at building and maintaining trust, and taking cultural differences into account.

Use Sustainability Metrics to Guide Decision-Making

July
2002
Environmental Management
Beth R. Beloff, Jeanette M. Schwarz, Earl  Beaver
Sustainability provides a framework for integrating environmental, social and economic interests into effective business strategies.
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