AIChE

Be a Better Bargainer

July
2002
Career Catalyst
Robert W. Bly 
Follow these pointers to succeed in win-win negotiations.

Shortcut Distillation Calculations via Spreadsheets

December
2002
Reactions and Separations
Muhammad E. Fayed
This method uses a numerical solution to the McCabe-Thiele diagram to find the theoretical number of stages for binary and pseudo-binary systems,then calculates the actual number of stages, reflux ratio and column dimensions.

Improve Your Telephone Skills

May
2003
Career Catalyst
Make the most of this important tool by practicing some common sense and good etiquette. RobertW.Bly-

Evaluating Dryers for New Services

December
2003
Heat Transfer
Charles G. Moyers
Continuous dryers are accurately and easily evaluated using laboratory-scale simulators combined with the specific drying rate approach.

Improve Plant Reliability by Redefining Roles

June
2004
Management
Kevin Smith
The operator and maintenance technician can play key roles in ensuring equipment reliability and thus maximizing production while maintaining quality.

Maintaining Piping and Support Systems

June
2005
Operations And Maintenance
Gerry May
With proper pipe support design, installation and maintenance, pipe damage should normally not develop for decades.

Increase Powder Flow via Gas Injection

July
2006
Fluids and Solids Handling
Herman Purutyan
Fluidization and air-assisted discharge are two ways to optimize fine-solids handling. However, the choice of technology is as important as designing and operating the system properly.

Evaluating Toll Manufacturers

September
2008
Management
Osman Aboul-Nasr
This alternative production approach can offer significant time and capital cost savings. The key is to choose a qualified toller.

Exploring New Paradigms for Bioprocessing

July
2009
SBE Special Section
Jonathan Monk
Disruptive technologies, such as disposable bioreactors, metabolic ?ux models, and glycoengineered yeast, could change the face — and pace — of biomanufacturing.

Visualizing the McCabe-Thiele Diagram

December
2009
Reactions and Separations
Paul M. Mathias
Use this spreadsheet-based visualization and interactive analysis of the McCabe-Theile diagram to understand the foundations of distillation engineering. <br><br>

Improve Flange Joint Reliability

January
2011
Back To Basics
Thomas Sandbrook
Proper design, installation, and maintenance of flanged connection systems can prevent loss of containment and process interruptions. Follow this seven-step approach to ensure reliability of this critical process equipment.

Characterizing a Geologic Formation

August
2011
Special Section
John Shafer
A diverse collaboration is evaluating the geology of the South Georgia Rift basin and its suitability for long-term CO2 sequestration.

Inhibiting and Monitoring Corrosion

March
2012
Heat Transfer
Gary Geiger
Understand corrosion and ways to control it, and implement these monitoring techniques to improve cooling water system efficiency and reliability and reduce energy consumption.

A Rich and Diverse History

January
2002
Special Section
Irene Kim
This look at the continuing evolution of chemical engineering starts with reflections on the past.

Metabolic Engineering of Next-Generation Biofuels

August
2008
SBE Special Section
James C. Liao
Engineers are turning to genetic and biological tools and techniques to synthesize higher-chain alcohols that do not suffer from the same limitations as ethanol.

Uncovering the Realities of Simulation

May
2001
Computational Methods
Marco S. Satyr
Running sophisticated process simulations does not guarantee correct results. You need to understand the thermodynamic assumptions underlying the program and how to ensure proper applications.

Caught in the Act

September
2002
Career Catalyst
Jody Urquhart
To acknowledge people in a meaningful way, catch them doing good things and recognize their efforts.

Should You Accept an International Assignment?

August
2003
Career Catalyst
C. Delia Contreras
Consider the career- and family-related benefits and trade-offs of an overseas experience, as well as whether you have what it takes to be successful in such a position.

Work More Effectively With Others

February
2004
Career Catalyst
Doug  Hissong
Learn ways to improve your interpersonal and communication skills so that you can work more effectively with others, and increase your own productivity and effectiveness.

Accurately Predict the VLE of Thiol-Hydrocarbon Mixtures

September
2004
Reactions and Separations
Wayne Sim
This methodology can be used to calculate vapor-liquid equilibria (VLE) between thiols and hydrocarbons at any composition, temperature or pressure to improve gasoline fractionation processes.

Ensure Consistent Greenhouse Gas Emissions Estimates

September
2005
Environmental Management
Karin Ritter. Susann Nordrum
These techniques can be used to estimate and report GHG emissions from a wide variety of diverse sources, thereby increasing global consistency.

A ChE's Tradeshow Survival Guide

February
2006
Career Catalyst
Cynthia F. Mascone
It can be a jungle out there on the exhibit floor. Try these tips to help you make the most of your trade show visit.

Mirror, Mirror on the Wall...

November
2006
Career Catalyst
Cynthia Strite
Spending time in front of a mirror may seem narcissistic. But scrutinizing and perfecting your image is an essential step in achieving your career goals.

Discussing Climate-Change Challenges

July
2007
News Feature
Matthew McKeon-Slattery
The U.S. is still at odds with other developed nations when it comes to a strategy for reducing greenhouse gas emissions. At the G8 Summit, President Bush opposed a pact advocated by German Chancellor Angela Merkel calling for CO2 emissions to be...

Understand the Emerging Issue of Vapor Intrusion

October
2007
Environmental Management
Matthew Traister
The migration of vapors from contaminated groundwater and soil into aboveground buildings can adversely affect indoor air quality by creating an exposure pathway that may not have been addressed previously.

Renewable Power: Not Yet Ready for Prime Time

April
2009
Special Section
Bernard S. Lee
Before renewable sources such as wind and solar can contribute significantly to the overall energy mix, massive electricity storage is needed to turn the raw power into dispatchable power.

The Role for Biofuels

March
2010
SBE Special Section
Tim Eggeman
The advanced biofuels industry is at a critical stage of development and deployment.

Reduce Your Plant’s Water Footprint

April
2011
Critical Issues
David L. Nystuen
Water footprint reduction and water pollution prevention are integral to any environmental sustainability initiative. Use this rigorous, systematic process to conduct a baseline water assessment that integrates water pollution prevention and water...

Learn by Wandering Around

November
2011
Career Catalyst
Ross Topliff
Walking, listening, and learning are three easy steps that promote good communication and can yield high dividends.

Finding Your Career Path by Finding Yourself

June
2001
Career Catalyst
Eileen  Sharaga - 
Having an understanding of your skills and talents, particularly transferrable ones, will lead you to greater self-awareness, which will give you a greater capacity for achieving success.

Improve Your Position Where You Are

June
2002
Career Catalyst
Kate Wendleton
Basic job-hunting skills such as staying aware and making yourself marketable are also key to advancing your career with your present employer.

Navigate Phase Equilibria via Residue Curve Maps

November
2002
Reactions and Separations
Waldo E. de Villiers
These maps provide a rapid, graphical means to visualize the separation possibilities and constraints of azeotropic ternary systems. They also help check the soundness of models used to predict equilibrium data.

Avoid Internet Pitfalls

April
2003
Information Technology
Tim Headley
When developing your website, take these preventative measures to steer clear of any potential lawsuits.

Preparing an Air Emissions Inventory

November
2003
Environmental Management
Marc Karell
To keep track of its emissions and its regulatory compliance status, a plant must perform a thorough, process-by-process emissions inventory.

Succeed at Catalyst Scale-Up

June
2006
Reactions and Separations
Uday T. Turaga
Follow these principles to reduce the time required for scale-up and commercialization to improve the resource effectiveness of the effort.

Efficient Technology Evaluation

February
2007
Critical Issues
Reuel Shinnar
To stay competitive in today's economic climate, rapid and effective assessments of new technologies is a must. Requiring a minimal amount of data, this powerful method can effectively evaluate new ideas and research programs at an early stage...

Driving Profitability with Swaps and Exchanges

June
2009
Management
Frank Erzinger
Swap and exchange programs can significantly reduce logistics costs, as well as an organization’s carbon footprint. Despite its potential, the technique is often constrained by commercial, technical and operational concerns.

Developing Screening Cost Estimates

July
2011
Process Development
Richard P. Palluzi, P.E.
Making decisions based on estimates derived from weak data is counterproductive. Use this established methodology to prepare scoping and screening cost estimates for pilot plants quickly and accurately.

Speeding the Design of Bioprocesses

May
2008
SBE Special Section
Andrew D. Tustian
These experimental and modeling techniques enable the rapid, cost-effective design and scale-up of biopharmaceutical manufacturing in an integrated fashion.

Do More in Less Time

March
2001
Career Catalyst
Robert W. Bly
Ten tips for improving your personal productivity.

Take the Guesswork Out of FRP Corrosion

December
2001
Fluids and Solids Handling
Gunnar Bergman
The lifetime of fiberglass-reinforced plastic equipment and piping often depend upon previous experience. Here's a way to predict and prolong service life.

Real World Modeling of Distillation

July
2003
Reactions and Separations
Ross Taylor
Previously, simulations based on nonequilibrium, or rate-based, models were considered impractical due to their complexity. However, with ever-increasing computing power, these simulations are not only feasible, but in some circumstances they should...

What's Your Decision Style?

January
2004
Career Catalyst
James D. Weith
Understanding how you and those around you make decisions is a first step in improving interpersonal relationships and team efficiencies.

Steam Trap Troubles?

February
2005
Heat Transfer
Trinath Sahoo
First, prevent problems by selecting the appropriate trap and installing it properly. If problems arise, follow these guidelines for diagnosing and correcting them.

Targeting Material Reuse via Property Integration

August
2005
Environmental Management
Mahmoud M. El-Halwagi
Material reuse is often governed by the functionalities of the process streams. This new property-based technique creates a pinch diagram that identifies targets for the minimum use of fresh resources and waste discharge, and the maximum integration...

Understand Temperature Change in Process Stream Mixing

September
2006
Heat Transfer
Dharmendra Tiwary
The isobaric and adiabatic mixing of process streams can yield an outlet stream temperature that is either in between, higher than, or lower than the inlet stream temperatures. This article uses simulation to explore temperature-change scenarios in...

Selecting Laboratory Reactors

August
2007
Reactions and Separations
Marcello Picciotti
This article outlines some of the considerations involved in selecting and specifying a reactor system for research and development applications.

Rx for Pharma

March
2009
Critical Issues
Girish Malhotra, P.E.
Chemical engineers could hold the key that helps pharmaceutical companies — facing pressure to control rising drug prices and competition from generics — reduce their manufacturing costs.

Developing a Position on Nuclear Power

July
2010
Special Section
AIChE’s Nuclear Engineering Division recommends expanding the role of nuclear power and closing the nuclear fuel cycle. <br>

Engineering Organs: Heart and Esophagus

December
2007
SBE Special Section
Buddy D. Ratner
The potential for tissue engineering to transform the practice of medicine is enormous. Chemical engineers will play important roles in this revolution.

Supplemental Nanobiotechnology Tables

February
2006
SBE Special Section
These tables offer a snapshot of the many companies, research organizations and universities working in nanotechnology, nanoscience, nanobiotechnology and other variations of the term that has been coined to describe a revolutionary approach to...

Run Clean with Dry Vacuum Pumps

October
2001
Fluids and Solids Handling
Jim  Ryans
The use of dry pumps is growing, replacing workhorse steam jets and liquid-ring pumps. Here is a comprehensive selection guide.

Get What's Coming to You

January
2002
Career Catalyst
Kate Wendleton
Here's how to negotiate the best possible severance package.

Stressed?

October
2002
Career Catalyst
Robert W. Bly
Follow these simple techniques to help you reduce stress and tension on the job.

Innovations in Food Processing

March
2003
Fluids and Solids Handling
G. V.  Barbosa-Cánovas
Today's savvy consumers want processed foods to look freshly prepared, while still meeting all safety requirements. Conventional thermal treatments are inadequate to fulfill this demand. New nonthermal techniques, such as pulsed-electric fields, are...

Reduce Dust Explosions the Inherently Safer Way

October
2003
Fluids and Solids Handling
Faisal I. Khan
This article is aimed at the development of a framework for dust explosion prevention and mitigation that explicitly incorporates the principles of inherent safety. As distinguished from engineered and procedural safety features, inherent safety...
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