AIChE | The Global Home of Chemical Engineers

Patent Update: Issues to Consider in Claiming Your Invention

September
2016
Patent Update
M. Henry Heines
When applying for a patent, an inventor naturally wants to cast a net wide enough to cover not only what the inventor has actually done but also all variations that utilize the invention’s core innovation. A claim that is too wide, however, can run...

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

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.

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...

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.

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.

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).

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.

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.

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.”

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.

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...

Special Section: Natural Gas - Transportation

August
2015
Special Section
Donald Anton, Claudio Corgnale, Bruce Hardy, Martin Sulic, David Tamburello
Development of natural gas as a fuel for light-duty vehicles will require innovative methods of onboard storage. One option under investigation is the use of adsorbents.

Understand Flow Patterns in Glass-Lined Reactors

November
2004
Reactions and Separations
Kevin J. Bittorf, David S. Dickey, Keith E. Johnson , Christopher J. Ramsey
Physical modeling and computer simulation provide insights into the performance of a glass-lined reactor.

Process Safety Beacon: Understand Chemical Compatibility

July
2016
Process Safety Beacon
Chemical compatibility charts can be used to determine the chemical reactivity of thousands of common hazardous chemicals, the compatibility of absorbents, and the suitability of materials of construction in chemical processes.

Selecting Laboratory Reactors

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

Introduction to Fluidization

November
2014
Back To Basics
Raymond Cocco, S. B. Reddy Karri, Ted Knowlton
Fluidized beds offer excellent heat transfer, and have the unique ability to move a wide range of solid particles in a fluid-like fashion. This article explains the basics of fluidization theory and outlines how to design a typical fluidized bed.

Optimizing Crystallizer Scaleup

June
2003
Fluids and Solids Handling
Wayne Genck
Explore how mixing parameters impact the crystallization process and recommend ways to improve the likelihood of successful scaleup. The concepts of nucleation and growth, types of mixing, design considerations, agitator parameters and scaleup...

Special Section: Energy - Meet The Authors

July
2016
Special Section
Steve Baxley, P.E. / Kyle Brinkman / Amgad Elgowainy / Kevin Huang / Noah D. Meeks / Krishna Reddi / Sunita Satyapal / Shailesh D. Vora / Michael Wang

CEP: Profile -Christina Borgese: Building Entrepreneurial Excellence

June
2015
Profile
“I see myself becoming the entrepreneurial chemical engineer,” says Christina Borgese, Director of Engineering and Development at PreProcess, Inc., a consulting company that she co-founded. Her company helps entrepreneurs commercialize their novel technologies by applying chemical engineering know-how and recruiting experts from around the world. “Creating new products, harboring new ideas — that excites me,” she says. “You never know who is calling next, or what new project you will be working on that nobody has ever done before.”

People - The Key to Successful Project Management

September
2004
Career Catalyst
Eldon R. Larsen
While Gantt charts, timelines, budgets, resource constraints, quality challenges, performance measures, and other tools are important, they are neither meaningful nor effective without people.

Modeling Reactive Absorption

January
2009
Reactions and Separations
Eugeny Kenig, Panos Seferlis
Effective modeling of reactive absorption enhances system design, improves experiment planning for parameter-estimation, and facilitates process operation and control decisions.

Energy Supplement: Carbon Capture and Storage - Demonstrating CCS Integration

August
2011
Special Section
Richard A. Esposito, Nick Irvin, P.E., P.G.
The largest, fully integrated process for separating CO2 from fluegas and compressing it to a supercritical fluid, transporting the CO2 by pipeline, and injecting the CO2 into a saline reservoir is now underway at the Plant Barry generating station...

CEP: Chem Economics - Manufacturing Renaissance Takes Hold in the U.S.

October
2012
Chem Economics
T. Kevin Swift
Many living in the Rust Belt — the northeastern region of the U.S. that experienced significant de-industrialization during the 1970s through the 2000s — got an up-close look at the decline in manufacturing in the U.S. In the wake of the Great...

Producing Nitrogen via Pressure Swing Adsorption

June
2012
Reactions and Separations
Svetlana Ivanova, Robert Lewis
Pressure swing adsorption (PSA) can be a cost-effective method of onsite nitrogen generation for a wide range of purity and flow requirements.

CEP: Chem Economics - Energy Savings through Chemistry

March
2012
Chem Economics
T. Kevin Swift
The chemical industry produces many products that are responsible for conserving energy in a range of applications, most notably household operations, such as lighting and insulation, but also light vehicles, appliances, and packaging.

Bioseparation Basics

October
2014
Back To Basics
Roger G. Harrison
Bioseparations are critical to the field of biochemical engineering. Each bioseparation process must be tailored to separate, purify, or recover the desired bioproduct. This article gives an introductory overview of filtration and chromatography — two key bioseparation unit operations.

Process Control for Microreactors

August
2001
Instrumentation
Don  Humbert, Lech  Znamirowski, Olgierd A. Palusinski, Sarma Vrudhula
Field-programmable analog arrays coupled with microreactor technology promise to change the way plants are built, as well as the methods by which their processes are designed and controlled.

Fulfilling the Promise of Nanomedicine

February
2006
SBE Special Section
Rita D'Aquino with Tim Harper, Cristina Roman Vas
Leveraging nanotechnology in the life science industries has given scientists new tools with which they have the potential to transform the world of medicine.

Special Section: Natural Gas (Full 27-Page Supplement)

August
2015
Special Section
Donald Anton, Jared Ciferno, Claudio Corgnale, Richard Dennis, Bruce Hardy, E Nicholas Jones, John Marano, Bryan Morreale, Todd W. Onderdonk, James Spivey, Martin Sulic, David Tamburello, Lynne D. Taschner, Shailesh Vora
Natural Gas: Opportunities and Challenges; Natural Gas: The Energy Outlook; Natural Gas: Electric Power; Natural Gas: Chemical Synthesis; Natural Gas: Transportation

Improve Solids Handling During Thermal Drying

November
2004
Fluids and Solids Handling
John W. Carson, Herman Purutyan, Thomas G. Troxel
Follow these guidelines for ensuring the proper flow of slurries, pastes and wet powders to achieve a dried product with the desired characteristics.

Editorial: Have You Gotten Engaged?

July
2016
Editorial
Cynthia Mascone
This is an expanded version of the Editorial that appeared in the print version of Chemical Engineering Progress, July 2016. A few years ago, CEP published a series of articles on social media and the chemical engineer by Career Corner columnist...

Nanosensors: Evolution, Not Revolution...Yet

June
2008
News Feature
Suzanne A. Shelley
Promising nanotechnology-enabled sensors, monitoring devices and analytical instruments continue to advance toward commercialization for diverse industrial, environmental, medical and military applications— but hurdles remain.

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