AIChE

Integrate EHS for Better Process Design

February
2002
Process Development
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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
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James T. Wintergreen
- Lauren M. Sandler
To ensure that the greenhouse gas inventory is accurate and complete, prepare for eventual third-party verification during the planning and data collection stages.

What’s the Price of Steam?

July
2005
Heat Transfer
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Robin Smith
Petar Varbanov
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
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Magali de Macedo
Aad van Veldhoven
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
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Christopher A. Bennett
R. Stanley Kistler
Thomas G. Lestina
David C. King
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
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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
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Peter Zornio
Bob Karschnia
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
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William J. Grieco
Adam Javan
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
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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.

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
__
Lionel F. Laroche 
Leonore  Clauss
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
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Martin C. Welch
R. Bruce Hartman
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
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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.

Guidelines for Crystallizer Selection and Operation

October
2004
Reactions and Separations
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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
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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
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Terrence Fay
Yasha Zelmanovich
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
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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>

Classify Particles Using Fluidized Beds

September
2001
Fluids and Solids Handling
__
Kamal Adham
Here is an easy way to remove fine fractions from solids, with a minimum loss of the coarse fraction.

Basics of Centrifugal Pump Selection

May
2002
Fluids and Solids Handling
__
Kimberly Fernandez
Bernadette Pyzdrowski
Drew B. Schiller
Michael B. Smith
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.

Consider Using Fluoropolymers in Biological Applications

December
2004
Materials
__
Lauri Jenkins
Sharon Libert
Victor Lusvardi
Even with the use of costly corrosion-resistant alloys, metal contamination continues to occur in the biologics industry, thus reducing product yield and activity. Fluoropolymers are emerging as a viable solution to this problem.

Safely Handle Powdered Solids

December
2005
Fluids and Solids Handling
__
Robert Zalosh
Stanley S. Grossel
Russell Kahn
Daniel E. Silva
Understand some of the accident scenarios that result in dust explosions, and follow these suggestions for preventing them.

Right-Sizing Environmental Controls

June
2006
Environmental Management
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E. Joseph Duckett
Size does matter - and bigger is not necessarily better when it comes to pollution control. It is more important to be the right size than the largest size.

Scaling Fixed-Bed Catalyzed Processes

March
2007
Reactions and Separations
__
Jonathan H. Worstell
The new parameter introduced here will yield more meaningful results when a fixed-bed reactor is scaled up for process development or scaled down for plant support.

Capturing Carbon from Existing Coal-Fired Power Plants

April
2009
Special Section
__
Jared P. Ciferno
Timothy E. Fout
Andrew P. Jones
James T. Murphy
DOE's National Energy Technology Laboratory is spearheading R&D on a variety of post-combustion and oxy-combustion technologies to cost-effectively achieve 90% CO2 capture.

Ionic Liquid Pretreatment

March
2010
SBE Special Section
__
Blake A. Simmons
Seema Singh
Bradley M. Holmes
Harvey W. Blanch
Ionic liquids show promise as lignocellulosic biomass solvents. But is this approach a scientific curiosity or a commercially viable biofuel pretreatment technology?

Engineering a Healthy Body

September
2010
Career Catalyst
__
Nick Hallale
These basic chemical engineering principles expose common weight loss myths and show you how to get into better shape efficiently and sustainably.

Chemical Engineering Perspectives on Vaccine Production

November
2011
SBE Special Section
__
John G. Aunins
Michael E. Laska
Bret R. Phillips
Jose M. Otero
Fundamental chemical and bioprocess engineering principles and tools will be key to developing and manufacturing vaccines and expanding their availability around the world.

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

Evaluating the Economics of Desalination

December
2002
Heat Transfer
__
Hisham M. Ettouney
Hisham T. El-Dessouky
Ron S. Faibish
Peter J. Gowin
This article presents an in-depth analysis of thermal and membrane desalination economics and outlines a simple procedure for calculating the unit product cost for various desalination processes.

Optimize Power Consumption in Aerobic Fermenters

May
2003
Reactions and Separations
__
Gregory T. Benz
By performing the necessary pilot work, and rigorously calculating the full-scale performance instead of using simple rules-of-thumb, significant energy savings can be achieved in fermenters.

Conduct Successful Team Meetings

November
2003
Career Catalyst
__
Barry M. Weinstein
Prepare effective agendas, minutes, status updates, and corrective action reports to make your meetings, as well as your projects, run more smoothly.

Getting Your Message Across

May
2004
Career Catalyst
__
Margaret Clarke Hunt
Denise Price Hosier
Engineers play an important role in the marketing of products, processes and services. Here's a short course on the basics of marketing communications to help you be effective in that role.

Control Commissioning Costs

August
2004
Management
__
D. P. Lal
This procedure for commissioning a large chemical complex can help reduce the time required and minimize expenses.

Understanding Management Styles

February
2005
Career Catalyst
__
Peter E. Friedes
Are you naturally a “relater” or a “requirer”? Understanding how you relate and require will help you make the changes you need to be a more effective manager.

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...

Principles of Bioprocess Control

November
2009
SBE Special Section
__
Joseph S. Alford
The use of complex living organisms, process variation, and lack of real-time measurements of key parameters are some of the challenges involved in automating a bioprocess. This article explains an indirect approach to monitoring and controlling a...

Gazing into an Energy Crystal Ball

June
2010
On The Horizon
__
Vern W. Weekman Jr.
By mid-century, new energy sources could be integrated into the existing chemical-conversion infrastructure, but additional research is needed to fine-tune the technologies and improve efficiencies and economics.

Bioreactor Design for Chemical Engineers

August
2011
Back To Basics
__
Gregory T. Benz
Fermentation processes are based on chemical engineering principles. Understand these concepts to achieve optimal bioreactor design.

Controlling Emissions During Cold Furnace Startup

February
2007
Environmental Management
__
Charles E. Baukal Jr.
Jianhui Hong
Wes Bussman
Richard T. Waibel
High carbon monoxide emissions from a furnace while its temperature is being ramped up can exceed permit limits if appropriate measures are not taken. Here are a few suggestions.

The Standing of Women in Academia

August
2003
Special Section
__
Donna J. Nelson
Surveys shed light on how well universities are utilizing the women engineers and scientists in the technical talent pool.

Propel Your Pneumatic Conveying System to Higher Efficiency

April
2001
Fluids and Solids Handling
__
Herman  Purutyan
Thomas G. Troxel
Francisco  Cabrejos
For new and existing installations, there are many system and component choices available. Here’s how to narrow down the options to make the appropriate selection for optimal performance.

Accurately Estimate Production Costs

April
2002
Management
__
In a multiproduct chemical complex, determining production costs is no simple matter. Here's a logical method that can help.

Give Memorable Presentations

January
2003
Career Catalyst
__
Robert W. Bly
These guidelines will help you prepare and deliver a more exciting presentation.

Handling Flammable Liquids

July
2003
Fluids and Solids Handling
__
James C. Mulligan
Identify electrostatic hazards associated with liquid processing and understand the precautions available to control them.

Get the Most for Your Emissions Testing Buck

November
2004
Environmental Management
__
Robert M. Neimeier
A successful emissions testing program involves understanding the purpose of the testing, preparing a request for proposal, eveloping a protocol and entrusting the job with the right person.

Industrial-Scale Flare Testing

May
2006
Environmental Management
__
Jianhui Hong
Charles Baukal
Robert Schwartz
Mahmoud Fleifil
Advanced flare testing at full scale can help to ensure that the system operates as designed. This article explains what's involved and the parameters that should be measured and evaluated to demonstrate performance, reliability and safety.

Prepare an Effective Intellecutal Property Business Plan

August
2009
Management
__
Steven R. Hansen
The intellectual property component of a business plan is instrumental in protecting and promoting engineering innovations. Here’s how chemical engineers can provide valuable input into the preparation of an IP business plan.

Evaluating and Documenting Tower Performance

February
2010
Reactions and Separations
__
Daniel R. Summers
A good performance evaluation can lead to a significant improvement in column performance and establish a basis for future tower evaluations. <br>

Use Oxygen to Improve Combustion and Oxidation

July
2010
Reactions and Separations
__
Reed J. Hendershot
Timothy D. Lebrecht
Nancy C. Easterbrook
Substituting oxygen for air is often a low-cost, easy-to-implement option that can reduce capital costs, lower emissions, and improve process flexibility and reliability.
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