AIChE | The Global Home of Chemical Engineers

Designing Drug-Delivery Nanoparticles

September
2016
On The Horizon
Aaron Anselmo, Samir Mitragotri
Nanoparticles for drug delivery can be better designed by modeling the body as unit processes connected by the vascular system. Each organ and organ function can be represented as a unit process on organ-on-a-chip devices.

Minimize Biofouling of RO Membranes

September
2016
Reactions and Separations
Anne Arza, Jane Kucera
Chemical and physical disinfection of feedwater to a reverse osmosis (RO) membrane helps to prevent fouling and maintain efficient operation.

YPOV: Get Back on Your Feet After a Layoff

September
2016
YPOV
Jonathan Haughton
You thought it would never happen to you. You are a hard-working chemical engineer fulfilling your career goals. The next thing you know, you’re called into a meeting with your boss and you are out of work before lunch. With that, welcome to your...

AIChE Journal Highlight: Tribute to Founders: Roger Sargent

September
2016
Journal Highlight
Widely recognized as the intellectual leader, father, and pioneer of process systems engineering, Roger Sargent has played a role in shaping the chemical engineering discipline. A tribute to Sargent in the September issue of the AIChE Journal...

SBE Supplement: Synthetic Biology - Rewriting DNA Synthesis

September
2016
SBE Special Section
Emily Leproust
Traditional methods of DNA synthesis are slow and costly, and hinder the design-build-test cycle for creating optimal gene sequences and protein variants. This article presents a novel approach that will allow researchers to explore synthetic biology’s full potential.

Process Safety Beacon: Do You Recognize Change?

September
2016
Process Safety Beacon
In 2014, a fire occurred on a passenger vessel in the Atlantic Ocean about a mile from the U.S. A crewmember discovered the small fuel spray fire above one of the four propulsion engines during his routine rounds. He left the area and informed the...

Books: September 2016

September
2016
Books
The Healthy Workplace: How to Improve the Well-Being of Your Employees — and Boost Your Company’s Bottom Line Leigh Stringer, American Management Association, New York, NY, $27.95, 256 pages, July 2016, ISBN: 978-0-814-43743-8 We must function at...

SBE Supplement: Synthetic Biology - SBE Update: The Expanding Synthetic Biology Toolbox

September
2016
SBE Special Section
Darlene Schuster
Synthetic biology is growing in both interest and impact. This developing field combines techniques from such disciplines as genetic engineering, molecular engineering, systems biology, and computer engineering. The scientists and engineers who work in this field design and construct novel biological entities (e.g., proteins, genetic circuits, metabolic pathways, etc.) and redesign existing biological systems.

Editorial: Healthy Employees, Healthy Company

September
2016
Editorial
Cynthia Mascone
This is an expanded version of the Editorial that appeared in the print version of Chemical Engineering Progress,September 2016 Healthy Employees, Healthy Company A new book featured in this month's Books department (p. 77–78), The Healthy Workplace...

New Products: September 2016

September
2016
New Products
Product Focus: Fluids Handling Backpressure Regulators Resist Chemicals and Cracking The Chem Proline Frank Series V86 backpressure regulators are constructed of polyethylene (PE) resin, which is resistant to chemicals and stress cracking. Isolation...

Career Corner: How to Be Productive Working from Home

August
2016
Career Corner
Loraine Kasprzak
You might think working from home is easy. You could avoid the stress of commuting and even work in your pajamas if you want. While such a work arrangement may seem ideal, it is not always easy to stay focused if you are not in a typical office...

Use Spreadsheets for ChE Problem-Solving

August
2016
Back To Basics
David E. Clough
This article will help you improve your Excel spreadsheet skills and will provide you with tools to solve common chemical engineering problems.

Great Companies for Women Engineers

September
2003
Career Catalyst
Cynthia F. Mascone
The keys to building a talented workforce: benefits that enable employees to balance their work and personal lives; stimulating and challenging assignments; and a culture that allows all employees to reach their full potential.

Editorial: Celebrating Nature in the Park

August
2016
Editorial
Cynthia Mascone
This is an expanded version of the Editorial that appeared in the print version of Chemical Engineering Progress, August 2016. You might recall from some of my previous editorials that I love nature and hiking, especially in the Grand Canyon and...

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.

Catalyzing Commercialization: New Process Makes Spider Silk in Many Forms

August
2016
Catalyzing Commercialization
The strongest fiber found in nature is a silk made by spiders known as orb weavers. Unfortunately, spiders have two flaws: They are territorial and cannibalistic, making it impossible to farm them like silkworms to produce massive quantities of silk...

Become an Effective Safety Leader

August
2016
Safety
Greg Robinson
Each of us is responsible for developing and encouraging a strong safety culture. One way to do that is to incorporate these five critical safety activities into your daily routine.

Where is the Chemical Engineering Industry Headed?

January
2007
Special Section
John C. Chen
The chemical enterprise is already global - a trend that is almost certain to continue. What does this trend mean for the chemical engineering profession and for the practicing professional?

New Products – August 2016

August
2016
New Products
Product Focus: Measurement Equipment Instrument Measures Density in High-Pressure Services The CL 10HY-V2 density cell and Series 2000 density digital converter can provide density measurements of ammonium hydroxide, caustic soda, ethylene glycol,...

Women ChEs Make Progress Toward Equity

August
2003
Special Section
Irene Kim
Women in the chemical engineering profession are gaining equality -- to varying degrees -- in numbers, salary and worklife environment.

Specifying a Catalyst Bed

August
2016
Reactions and Separations
Gary Gildert, Jasmin Gildert
Follow these eight steps to work effectively with your catalyst supplier.

Educational Perspective on the Future of Chemical Engineering

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

Profile: Introducing Female ChE Students to Industry

August
2016
Profile
“Chemical engineering is one of the most challenging curriculums in the engineering field. According to ASEE 2015 data, only about one-third of chemical engineering bachelor’s degrees and 10% of chemical engineering PhDs go to women,” states Jean...

Leadership Q&A: Keep the Long-Term in Mind

May
2016
Leadership Q&A
Bhavesh (Bob) Patel, CEO and chairman of the management board of LyondellBasell, talks to CEP about his strategy for leading one of the largest plastics, chemicals, and refining companies in the world. In 2010–2011, faced with significant debt and soft demand, the company had to restructure and cut costs. Emerging from those dark times, LyondellBasell is now focused on growth and expanding its operations where it has a competitive advantage.

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.

Use the Cloud for Your Alarm Management System

August
2016
Instrumentation
Martin Hollender, Philipp Vorst, Aldo Dagnino, Thomas C. Skovholt
Most engineers recognize the need for alarm management systems. What you might not know, however, is that cloud computing can make those systems less expensive, more effective, and easier to implement and maintain.

CEP: YPOV - K-12 Outreach: It’s Fun and Beneficial to Your Career

November
2014
YPOV
Colin Young
I have been involved in K-12 outreach for the past five years and have worked with students of all ages — from first graders to high school seniors. For me, outreach has been both personally and professionally rewarding. Through outreach, I have gained some valuable skills, which I think every engineer, especially young engineers, can benefit from.

Spotlight on Safety: Job Safety Includes Your Commute

August
2016
Spotlight on Safety
Louisa Nara
At the 2016 AIChE Spring Meeting and 12th Global Congress on Process Safety, Mark Cox, senior vice president, chief manufacturing, supply chain, and engineering officer for Eastman Chemical Co., presented a keynote address, “Process Safety...

Technical Entity Trends: Water – We Can’t Live Without It

August
2016
Technical Entity Trends
Derrick Wu
Our essential physical functions — breathing, digestion, muscle movement, etc. — cannot take place without water. It is our most vital and precious resource. However, water-related problems have persisted throughout history, endangering the safety...

Books

August
2016
Books
Eight Dollars and a Dream: My American Journey Raj Gupta, with Syd Havely, Lulu Publishing Services, Raleigh, NC, $13.24, 256 pages, March 2016, ISBN: 978-1-483-44756-8 This book tells the story of a remarkable personal and professional journey. Raj...

Expanding Horizons

August
2002
Special Section
Irene Kim
Pursuing a wide variety of career options, chemical engineers continue to reinvent the profession.

CEP: Institute News

June
2015
Institute News
Spring Meeting and Global Congress on Process Safety Highlights; AIChE’s 2014 Financial Statements; Your AIChE Membership — Leadership Opportunities; Diversity Workshop Sets Agenda for Summit at Annual Meeting

2020 AIChE Annual Meeting

November 15-20, 2020
The AIChE Annual Meeting is the premier educational forum for chemical engineers interested in innovation and professional growth. Academic and industry experts will cover wide range of topics relevant to cutting-edge research, new technologies, and emerging growth areas in chemical engineering.

Introduction to Catalysis and Industrial Catalytic Processes

April, 2016
This book explains the fundamental principles of catalysis and their applications in an introductory text intended to excite those contemplating an industrial career in the chemical, petroleum, alternative energy, and environmental fields. It focuses on non-proprietary, basic chemistries with...

Pipe Flow: A Practical and Comprehensive Guide

May, 2012
Pipe Flow provides the information required to design and analyze the piping systems needed to support a broad range of industrial operations, distribution systems, and power plants.

Systems Biology and Synthetic Biology

March, 2009
The genomic revolution has opened up systematic investigations and engineering designs for various life forms. Systems biology and synthetic biology are emerging as two complementary approaches, which embody the breakthrough in biology and invite application of engineering principles. Systems...

Technical Entity Trends: A Critical Problem to Solve

May
2016
Technical Entity Trends
Derrick Wu
We treat our phones as necessary extensions of ourselves, and it is now hard to imagine life without what has become like an additional limb. Similarly, we have grown so used to computers, cars, and items requiring batteries that many of us would...

Applying Mass and Energy Balances to Spray Drying

December
2009
Back To Basics
Tim Langrish
Mass and energy balances are not just for process and equipment design. They can also be used to improve dryer operations by answering various “what-if” questions about temperatures, flowrates, and moisture contents. <br><br>

Energy Supplement: Carbon Capture and Storage - Navigating the Legal Landscape

August
2011
Special Section
Arnold W. Reitze Jr., Mary Ellen Ternes
A legal framework governing carbon sequestration will need to be put in place before major carbon capture and storage (CCS) projects can get underway. A final rule issued under the Safe Drinking Water Act sets minimum requirements, but this is just...

Piloting Bioreactors for Agitation Scale-Up

February
2008
Reactions and Separations
Gregory T. Benz
This article offers guidance on how to design appropriate experiments to measure scalable data for agitation in both aerobic and anaerobic bioreactors.

Nano-technology: Fueling the Chemical Industry's Future

November
2003
Special Section
Daniela L. Carrillo, Tim Harper, Paul Holister, Mindy Rittner, Mihail C. Roco, Cristina Roman Vas
Nanotechnology, as a whole, is still an emerging area with the need to make progress in both scientific and technological terms before enormous commercialization of products may occur. Nevertheless, commercial products are out there — more in some...

Predictive Modeling in Catalysis - From Dream to Reality

June
2009
On The Horizon
Ana G. Maldonado
In silicocatalyst optimization is the ultimate application of computers in catalysis. This article provides an overview of the basic concepts of predictive modeling and describes how this technique can be used in catalyst and reaction design.

Reduce Piloting Time and Cost

July
2011
Process Development
David A. Berg, Michael T. Cleary
Pilot-scale experimentation is essential to establish a sound foundation for a new chemical processing unit. These best practices can reduce the time and cost involved in process development.

Predict Incidents with Process Safety Performance Indicators

February
2016
Safety
Wahid Azizi
Become a seer of process safety incidents with carefully chosen process safety performance indicators (PSPIs). A PSPI program developed using the barrier-based or tier-based approach will serve as your crystal ball.

Green Reactors

August
2008
Reactions and Separations
Mukesh Doble
Compare these microreactor technologies, along with the intrinsic advantages and disadvantages of miniaturization, to achieve process intensification.

Developing Crystallization Processes

March
2011
Reactions and Separations
Christianto Wibowo
With solid-liquid equilibrium as its foundation, this systematic approach makes it easy to identify operating regions and theoretical yield to maximize the desired product.

Special Section: Natural Gas - Chemical Synthesis

August
2015
Special Section
John Marano, James Spivey, Bryan Morreale
Plentiful, low-cost natural gas will invigorate the chemicals industry over the next decade, as producers look to increase the role of natural gas as a feedstock in established processes, as well as develop new processes to convert methane into chemicals currently derived from petroleum.

Design Principles for Liquid-Liquid Extraction

November
2015
Reactions and Separations
Joerg Koch, Glenn Shiveler
Many factors must be evaluated when developing a liquid-liquid extraction process. Here are some of the important parameters to consider as you go from laboratory testing to commercial-scale operation.

Put More Punch Into Catalytic Reactors

March
2003
Reactions and Separations
Ed Fontes, Olof Hernell, Phil Byrne
Using equation-based modeling to design these reactors can optimize their efficiency and throughput.

Designing Multistage Agitated Reactors

January
2014
Reactions and Separations
Gregory Benz
This article bridges the gap between theory and practice for the design of continuous-flow mechanically agitated reactors, with a focus on mechanical and hydraulic issues.

Increase Powder Flow via Gas Injection

July
2006
Fluids and Solids Handling
John W. Carson, Herman Purutyan, Thomas G. Troxel
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.

Understand Discrete Nanoscale Transport

June
2008
On The Horizon
Anh-Tuan Dinh, Samir Mitragotri, Chinmay Pangarkar
Unlike mass, energy and momentum transfer, which are described by continuum equations, the movements and interactions of the nanoscale entitites within a cell constitute the transport phenomenon known as discrete nanoscale transport (DNT).

CEP: AIChE Journal Highlight - Natural Gas Transforms the Chemical Industry

March
2014
Journal Highlight
The recent development of new sources of shale-gas methane and shale-gas condensate will significantly impact fuels and chemical feedstocks in the U.S. and around the world, says Jeffrey Siirola of Purdue Univ. and Carnegie Mellon Univ. in the March AIChE Journal Perspective article, “The Impact of Shale Gas in the Chemical Industry.”

Accurately Predict the VLE of Thiol-Hydrocarbon Mixtures

September
2004
Reactions and Separations
Wayne Sim, Vince Tassone, Chorng H. Twu
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.

Real World Modeling of Distillation

July
2003
Reactions and Separations
Harry Kooijman, Rajamani Krishna , 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...

Designing Polymerization Reaction Systems

February
2016
Reactions and Separations
Shrikant Dhodapkar, Pradeep Jain, Carlos Villa
Important considerations in polymerization reactor design include heat removal, kinetics, and process dynamics, as well as polymer properties and product quality.

Determining Manufacturing Costs

January
2009
Back To Basics
John Anderson
Making early estimates of a product's cost components enables developers to manage resources wisely and evaluate the product's economic viability.

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.

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