AIChE | The Global Home of Chemical Engineers
This Beacon is not focused on a single incident, but on incidents that continue to occur across industry — nitrogen asphyxiation.
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...
To acknowledge people in a meaningful way, catch them doing good things and recognize their efforts.
Edward S. Shanley, Michelle R. Murphy, Surendra K. Singh
Here is a method that rates the tendency of new compounds to self-explode without the need to perform extensive laboratory tests.
C. Delia Contreras, Fabio Bravo
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.
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.
Philip Blosse, Monica Cardona
Determine if your bioprocess needs a sterilizing grade filter, and if so, use these guidelines to select the proper one for your application.
Miriam Lev-On , 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.
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.
David Madison, 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.
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...
This alternative production approach can offer significant time and capital cost savings. The key is to choose a qualified toller.
Disruptive technologies, such as disposable bioreactors, metabolic ?ux models, and glycoengineered yeast, could change the face — and pace — of biomanufacturing.
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>
Mike Emery, John Ludman, 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.
Wendy Higashide, 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.
Andrew Vieler, Marco S. Satyr, Oscar Santollani , Rajeev Agarwal, Yau-Kun Li
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.
Basic job-hunting skills such as staying aware and making yourself marketable are also key to advancing your career with your present employer.
Raymond N. French, George J. Koplos, 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.
When developing your website, take these preventative measures to steer clear of any potential lawsuits.
To keep track of its emissions and its regulatory compliance status, a plant must perform a thorough, process-by-process emissions inventory.
Using this technique to determine the effective plume-chimney height for an exchanger operating in natural circulation mode.
Richard Allen, William H. Beever, Jeff Braden, Donald R. Engelbert, J. Todd Osbourne, Uday T. Turaga, Ben Wagner
Follow these principles to reduce the time required for scale-up and commercialization to improve the resource effectiveness of the effort.
Francesco Citro, 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...
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.
David E. Gushee, 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.
Carrie Atiyeh, Tim Eggeman
The advanced biofuels industry is at a critical stage of development and deployment.
Phil Byrne, Ed Fontes, Henrik von Schenck, Christian Wollblad
Improve your modeling skills to construct accurate, effective meshes that simulate or optimize a process in less time.
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...
Walking, listening, and learning are three easy steps that promote good communication and can yield high dividends.
Jonathan H. Worstell
Commercializing a new technology often means reaching accord between clashing groups. Here’s a road map to navigate these hurdles.
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.
Mark E. Kilburn, Nathan A. Kimmerle, Patrick T. Ragan, Stephen H. Roberts
In light of the events of September 11, make sure your plant's safety plan accounts for acts of terrorism and sabotage.
M. Agrawal, A. M. Jade, V. K. Jayaraman, B. D. Kulkarni
The superior classification and regression abilities of the recently introduced support vector machines offer an attractive alternative to solve a number of process engineering problems.
James D. Weith
Understanding how you and those around you make decisions is a first step in improving interpersonal relationships and team efficiencies.
Henry Z. Kister
This article explains the principles behind minor-component trapping, summarizes industrial experiences and provides guidelines for diagnosing and addressing the problem.
First, prevent problems by selecting the appropriate trap and installing it properly. If problems arise, follow these guidelines for diagnosing and correcting them.
Mahmoud M. El-Halwagi, Vasiliki Kazantzi
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...
Anil K. Mehrotra, 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...
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.
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.
Sunil Chhatre , Andrew D. Tustian
These experimental and modeling techniques enable the rapid, cost-effective design and scale-up of biopharmaceutical manufacturing in an integrated fashion.
Ove B. Christiansen, Mary Sutera Sardo
With short residence times and various design options, these dryers are an efficient and economical choice for a wide variety of solids.
The lifetime of fiberglass-reinforced plastic equipment and piping often depend upon previous experience. Here's a way to predict and prolong service life.
B. G. Swanson, M. F. San Martín, 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...
A. G. Dastidar, Faisal I. Khan, P. R. Amyotte
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...
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.
Herbert W. Cooper
Interesting technology ... interesting policy ... difficult economics ... numerous challenges ... <br>
AIChE’s Nuclear Engineering Division recommends expanding the role of nuclear power and closing the nuclear fuel cycle. <br>
Robert L. Kane, Daniel E. Klein
With greenhouse gases currently in the spotlight, the potential benefits of carbon dioxide capture are too great to ignore. Find out what research and development are currently underway.
Jim Ryans, Joe Bays
The use of dry pumps is growing, replacing workhorse steam jets and liquid-ring pumps. Here is a comprehensive selection guide.
Whether the plan is to shut down an entire plant, or just a portion of it, a definitive plan must be in place. Here is a step-by-step procedure to guide you through the process.
Glen Rosentrater -
Contractors' quotes often differ significantly -- by up to 30% is not uncommon, and may be legitimate. Here's how to analyze bids to be able to award a fairly priced contract.
Stanley I. Proctor
Do you have leadership potential? This article explores the differences between leadership and management, the qualities of a good leader, different leadership styles and where they are effective and not effective, and other issues.
Kah Loong Choong, Robin Smith
Use this novel method to optimize the operating conditions as they vary through time in batch processes.
Dominic Chwan Yee Foo, Zainuddin Abdul Manan, Yin Ling Tan
This numerical technique for identifying fresh water and wastewater targets eliminates the tedious and time-consuming steps of graphical targeting approaches. Use it to complement the graphical techniques in the design and retrofit of water networks.
With the Intergovernmental Panel on Climate Change set to release its Fourth Assessment Synthesis Report later this month, now is a good time for chemical engineers to take a look at this topic. This article provides a succinct integration of...
Lisa L. Walker
Today’s employment environment has altered the concept of “career.” If you are attempting to change jobs or enter a different industry — or even considering a second career — it is important to understand your motivations and proceed with care.
Gregory T. Benz, Ling Du
Purchasing lower-cost process equipment from vendors in developing nations can be an attractive proposition in times of economic austerity. When sourcing outside local channels, keep the points discussed here in mind to avoid costly problems that go...