AIChE

Humanitarian Chemical Engineering

April
2015
Career Catalyst
Daniel Lacks, Jeremy D. Bendik-Keymer, Evelyn B. Taboada, Nwaynay Hlaing
A broader view of ethics and professional responsibility considers the engineer’s impact on humanity.

AIChE Journal Highlight - Red Blood Cells Disguise Nanoparticles for Biomedical Applications

March
2015
Journal Highlight
Nanoparticles (NPs) loaded with therapeutics provide a way to target the delivery of drugs to specific locations in the body. When injected intravenously, however, nanoparticles are often recognized by the immune system and rapidly cleared from the body. Efforts to extend their residence time in vivo have focused on modifying particle surfaces to evade the body’s natural defenses. Polyethylene glycol (PEG) is currently the gold standard for such nanoparticle stealth coating, but the recent observation of an anti-PEG immunological response has spurred the search for improvements. To address this challenge, researchers have looked to nature, which has created the ideal drug-delivery vehicle — red blood cells (RBCs).

Measure Viscosity Effectively

February
2015
Instrumentation
Robert McGregor
Knowledge of a material’s rheological behavior can be of value for research and development, process design, and quality control. This article provides a foundation for understanding viscosity measurement.

CEP: Institute News

February
2015
Institute News
AIChE Elects New Fellows; Minority Affairs Committee Turns 25; AIChE Recommendations for Establishing Process Safety Investigation Boards

CEP: Process Safety Beacon - Who Are All These People?

February
2015
Process Safety Beacon
In many serious events, there may have been more people in the area than were needed to do or monitor the job. Too many people in the area, whether the control room or the plant, can be a distraction, causing bad decisions that could lead to serious...

CEP: Catalyzing Commercialization - Self-Assembled Nanofibers Sniff Out Explosives

February
2015
Catalyzing Commercialization
Improvised explosive devices (IEDs) are not just a threat to military troops but to civilians as well. Thwarting these attacks will require many measures, one of which is improved screening technologies. Vaporsens, a Univ. of Utah spin-off company, is developing a sensor that could meet the need for a portable, inexpensive explosives-screening device.

CEP: AIChE Journal Highlight - Chemical Engineers Advance Molecular Simulation

February
2015
Journal Highlight
In the February AIChE Journal Perspective article, “Recent Advances in Molecular Simulation: A Chemical Engineering Perspective,” Jeremy Palmer of the Univ. of Houston and Pablo Debenedetti of Princeton Univ. discuss the state of molecular simulation, challenges that need to be addressed, and contributions made by chemical engineers to expand the use of molecular simulation.

CEP: Calendars

February
2015
Calendars
AIChE Meetings Calendar; AIChE Academy Calendar; Webinars

CEP: News Update

February
2015
News Update
Pop-Up Method Transforms 2D Materials into 3D Objects; Digging in the Dirt Uncovers a New Antibiotic; Algorithm Predicts Bacteria Countermoves; An Organic Approach to Controlled Polymerization; and more.

CEP: What's New

February
2015
What's New
Read about the latest products and services in the areas of fluids and solids handling; environmental, health and safety; instrumentation; and laboratory equipment.

CEP: Editorial - Navigating Ethical Dilemmas

February
2015
Editorial
Cynthia Mascone
It seems not a day passes without news reports of a politician or corporate executive taking bribes, engaging in insider trading, or getting caught up in some other ethical dilemma. As engineers, though, we will more likely find ourselves in situations that have subtler, less-obvious ethical undertones.

Control Column Pressure via Hot-Vapor Bypass

February
2015
Back To Basics
Daryl Hanson, Henry Kister
Hot-vapor bypass employs a flooded condenser located at ground level to control distillation tower pressure. It offers capital cost savings, but can be tricky to implement. This article offers guidance on designing and troubleshooting a hot-vapor bypass system.

Modeling Chemical Reactors

February
2015
Reactions and Separations
Ed Fontes
Models can be used to describe chemical reactors to help solve problems and optimize processes, while saving time, money, and resources.

Special Section: Measuring Sustainability - Full 24-Page Supplement

January
2015
Special Section
Calvin Cobb, Botond Bertok, Heriberto Cabezas, Darlene Schuster, Beth Beloff, Dicksen Tanzil, Ferenc Friedler, Reed M. Izatt , Kevin Chin, István Heckl
Sustainability: What We Measure We Can Improve; Sustainability Trends in the Chemical Industry; Use the P-graph Framework to Design Supply Chains for Sustainability; Recovering Metals from Electronic Wastes

Consider Chemical Reactivity in Process Hazard Analysis

January
2015
Safety
Paul Baybutt
Managing chemical reactivity hazards is more complex than other major hazards. Learn how to use process hazard analysis (PHA) to identify such hazard scenarios and determine whether additional risk-reduction measures are needed for your process.

CEP: Material Matters - Preparing for Failure: A Top Ten List

January
2015
Material Matters
Kirk Richardson, Robert McTamaney
The Materials Technology Institute’s (MTI) recent Refiners Roundtable meeting included discussions on (among other topics) internal investigations into causes of significant failures and ways to improve process safety. Here are the top ten things your company should be doing.

CEP: Calendars

January
2015
Calendars
AIChE Meetings Calendar; AIChE Education Calendar; Webinars

Minimize Degradation of Heat-Transfer Fluids

January
2015
Back To Basics
Gaston Arseneault, Christopher Armstrong
The key to maximizing the useful life of heat-transfer fluids in liquid-phase systems is proper fluid selection. This article discusses the most common methods of deterioration and suggests potential solutions.

CEP: YPOV - Engineering Your Job Change through Networking

January
2015
YPOV
Sarah Ewing
In the current job market, people rarely stay employed with the same company that hired them after college for their entire career. If you want to take control of your career and make a job change that is consistent with your professional and personal goals, allow enough time to weigh the pros and cons instead of making the decision on a whim. The most critical step in this process is not updating your resumé, but making sure that the new position will be a good fit and not just a quick fix. I like to think of changing jobs as a process with four key steps: recognizing that it is time to move on, deciding where you want to go, determining what you need to get there, and then networking your way in.

CEP: Commentary - Our Most Important Tool

January
2015
Commentary
Christopher Pope
We need to make the best use of all the tools in our collective toolbox, including the talents of our disabled colleagues.

CEP: Editorial - Diversity as a Catalyst for Success

January
2015
Editorial
Cynthia Mascone
“Diversity programs are not only the right thing to do, but they are also the smart and necessary thing to do. We view diversity and inclusion, and promotion of different cultural perspectives, as catalysts, because we know these efforts unleash...

Ethics — Examining Your Engineering Responsibility

February
2015
Career Catalyst
Deborah Grubbe
Engineering ethics frequently has nothing to do with technology and everything to do with communication, thought and decision-making patterns, and conflicts around time and money.

CEP: Institute News

January
2015
Institute News
President’s Corner; AIChE Gala Salutes Corporate Leaders for Promoting Diversity in Engineering; AIChE Partners on Engineering and Technology History Wiki; Institute and Board Award Nominations Due Feb. 15; Annual Meeting Highlights

CEP: AIChE Journal Highlight - Chemical Looping Comes of Age

January
2015
Journal Highlight
Increasing efforts to control greenhouse gas emissions and a changing portfolio of energy sources as a result of shale gas production are driving the development of new process technologies for the production of energy and chemicals. One such...

CEP: What's New

January
2015
What's New
Read about new products and services in the areas of fluids and solids handling and laboratory equipment.

CEP: News Update

January
2015
News Update
U.S. Chemicals Remain Bright Spot in the Global Economy; Hot Off the Press: Rewritable Paper; Greening Rare Earth Elements; and more

CEP: Process Safety Beacon - What Is the Process Risk?

January
2015
Process Safety Beacon
The worst process incident that can happen in your plant may not be the same as the highest process risk. Risk is a combination of how likely an incident is and how bad the consequences could be. The process incident in your plant with the worst consequences may be very unlikely to occur. Other less-severe incidents may be more likely, making the risk of these events higher than the incident with the worst consequences. You should be aware of all process risks in your plant, and your role in managing all of them.

CEP: What's New

December
2014
What's New
Read about new products and services in the areas of heat transfer, instrumentation, environmental, health, and safety, and operation and maintenance.

CEP: News Update

December
2014
News Update
Fossil Fuels Inspire Clean-Hydrogen Catalyst; Organic Solar Cells Heat Up; Biomass Waste Gets Upgraded; New Technique Puts Catalysts on the Right Track; and more.

Choosing a Fine-Particle Filtration System

December
2014
Reactions and Separations
Barry Perlmutter
Filtration technology has advanced to meet the demand to remove small particles at low concentrations. When designed correctly, a candle filter or a pressure plate filter may be a more-efficient replacement for a traditional filtration scheme.

Career Corner - Surviving an International Relocation

December
2014
Career Corner
Loraine Kasprzak
As exciting as an international assignment may seem, relocating overseas is more complicated than getting your shots, passport, and airline tickets, packing a few boxes, and hopping on the next flight. A typical relocation involves almost 50...

Avoid Fluidization Pitfalls

December
2014
Back To Basics
Ted Knowlton, Raymond Cocco, S. B. Reddy Karri
Fluidized beds are susceptible to such problems as bed slugging, loss of fines, and gas bypassing. This article explains how to avoid these pitfalls.

Account for Uncertainty with Robust Control Design - Part 2

December
2014
Instrumentation
Sachi Dash, J. Ward MacArthur, Konstantinos Tsakalis, Rakesh Joshi
Robust control can be applied to design controllers that can handle process uncertainty. Learn how to use identification experiments to obtain estimates of this uncertainty.

CEP: AIChE Journal Highlight - Solving Wicked Sustainability Problems Requires a New Approach

December
2014
Journal Highlight
The challenges facing the world today — including climate change, resource scarcity, food security, water access, and energy demand — are fundamentally different than those of the past. These sustainability issues can be thought of as “wicked” problems — a concept that originated in the 1970s to describe the difficult challenges facing urban planners at the time and that has now spread to other areas, including engineering. In contrast with so-called tame problems, which can be solved by traditional linear, analytical approaches, wicked problems are much more intractable and very difficult to solve.

CEP: Editorial - It’s All About the Culture

December
2014
Editorial
Cynthia Mascone
December 3 marks the 30th anniversary of the worst chemical accident in history — the catastrophic release of methyl isocyanate (MIC) from a pesticide plant in Bhopal, India, in 1984 that resulted in thousands of deaths and hundreds of thousands of injuries. Two articles and the Process Safety Beacon in this issue review some of the lessons learned from that tragic incident.

Complete Your Capital Project Efficiently

January
2015
Career Catalyst
Glen Rosentrater
Capital projects are complicated and can be fraught with all sorts of issues. Follow these guidelines for safe and efficient work — to avoid problems, maintain relationships, and ensure your success as a construction manager.

CEP: Institute News

December
2014
Institute News
President’s Corner: Strengthening AIChE For Growth; New Fellows; Divisions and Forums Present Awards; and more.

CEP: Profile - Perry Romanowski: Formulating Cosmetics and Educating Millions

December
2014
Profile
A round of applause welcomes Rachael Ray’s next guest, a cosmetic chemist and full-time beauty blogger, who immediately launches into a detailed explanation of the science behind an unfortunate truth: Yes, you can get hooked on lip balm. In the span of four minutes, Perry Romanowski also highlights the most common shampoo formulations, explains why you shouldn’t apply body lotions to your face, and debunks one of the biggest cosmetic myths:

CEP: Calendars

December
2014
Calendars
AIChE Meetings Calendar; AIChE Education Calendar; Webinars

Biomass as a Sustainable Energy Source for the Future: Fundamentals of Conversion Processes

November, 2014
Through contributions from leading experts in diverse field, this book features the latest biomass characterization techniques, biochemical and thermochemical conversion processes, the development of integrated biorefineries, and how to mitigate the environmental risks associated with using biomass for fuel. It includes examples, problems and projects which make it suitable for undergraduate and graduate education as well.

CEP: Process Safety Beacon - An LPG Tragedy

November
2014
Process Safety Beacon
At about 5:30 a.m. on Nov. 19, 1984, there was a major fire and a series of explosions at a liquefied petroleum gas (LPG) storage and distribution terminal at San Juan Ixhuatepec, Mexico City, Mexico. There were over 500 fatalities, about 7,000 injuries, 200,000 people were evacuated, and the terminal was destroyed. The blasts were recorded on a seismometer 20 km (12.4 miles) away. Most of the injuries and fatalities were in the surrounding community — people were living as close as 130 m (425 ft) from the terminal. The cause of the accident could not be definitively established because of the destruction of the facilities and absence of witness reports.
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