Chemical Engineering Practice

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...

Ionic Liquids for Aromatic Extraction: Are They Ready?

December
2006
Reactions and Separations
Sachin T. Anjan
Ionic liquids have already moved into the commercial arena as reaction solvents. This article compares them to conventional solvents and examines their potential for the extraction of benzene, toluene and xylene from reformate.

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.

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>

Selecting Sensors for Safety Instrumented Systems

July
2015
Back To Basics
Jessica Lo, Erik Mathiason, Chad McGuire
A plant’s safety instrumented system (SIS) is critical in preventing process safety incidents. Use this guide to help choose the proper sensors for your plant’s SIS.

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.

Cash Flow Principles for Chemical Engineers

eLearning (online) Course
Develop a basic understanding of the principles of cash flow and the ways to assess its value based on the concept of the time value of money (TVM)...

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...

Best Practices for Pilot-Plant Piping

April
2014
Fluids and Solids Handling
Richard Palluzi
Pilot-plant piping is subject to more-frequent modification than typical process plant piping, and must be able to accommodate a range of media, temperatures, and pressures during its lifetime. Use this guide to determine which piping, tubing, and fittings are optimal for your pilot plant application.

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.

Fluid Mixing Technology for Operators

eLearning (online) Course
Are you ready to expand your knowledge of mixing theories and improve your performance and results? This course is for you.

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.

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.

Distillation in Practice

eLearning (online) Course
Learn essential distillation concepts including vapor liquid equilibrium, start-up and troubleshooting, and other best practices with this online...

Statistical Process Quality Control

eLearning (online) Course
This course is coming soon to the AIChE Academy. If you’d like to be notified once it becomes available, please send an email request to eLearning@...

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).

Nanotechnology: Cause for Concern?

September
2007
News Feature
Kristine Chin
Nanotechnology— it's a small science with big stakes. Some of the unique properties that make nanoscale materials useful may also pose hazards to humans and the environment. Can the EPA find a way to effectively regulate these tiny high-tech...

Evaluating Distillation Column Performance

June
2013
Reactions and Separations
AIChE’s Equipment Testing Procedures Committee, Tray and Packed Columns Procedure Revision Subcommittee
Follow these guidelines to assess the capacity and efficiency of distillation columns containing trays or packing.

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.

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.

Distillation in Practice

Public (classroom) Course
Learn essential distillation techniques and developments and how to apply them to solve difficult distillation problems.

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.

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: Editorial - More Than a Spoonful of Sugar

March
2013
Editorial
Cynthia Mascone
Many of us remember receiving our polio vaccine on a sugar cube. Indeed, that was the motivation behind A Spoonful of Sugar, a song from the classic Disney movie Mary Poppins. Walt Disney had instructed the Sherman brothers, Robert and Richard, to come up with a catchy song for the film. When Robert arrived at home, after working all day trying to come up with an idea, his wife told him that the children had gotten their polio vaccine that day. Thinking they had gotten a shot, he asked them if it hurt. His son answered that the medicine was put on a cube of sugar and he swallowed it. And so “a spoonful of sugar helps the medicine go down was born.

Crystallization Operations

Public (classroom) Course
A practical overview of the basics of crystallization and precipitation and how to apply the fundamentals of crystal growth and nucleation to...

Environmental Law for Chemical Engineers

February
2012
Back To Basics
Mary Ellen Ternes
A basic understanding of environmental law is beneficial for all chemical engineers. Learn how laws are proposed, made, and implemented, and ways to avoid incurring unnecessary penalties.

Understand Pilot-Plant Design Specifications

May
2016
Plant Design
Adam Whalley, P.Eng.,
Although pilot- and commercial-scale plants may appear similar, they must be designed with different objectives in mind. Find out how the design criteria for pilot and commercial plants differ, and why commercial specifications should not be applied to pilot plants.

Basic Emergency Relief System Design

Public (classroom) Course
Preparing to use DIERS technology in your emergency relief system design - but not sure where to start? Attend this instructor-led, 3-day course for...

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.

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.

Excel VBA Programming for Chemical Engineers

Public (classroom) Course
Get up-to-date on proven design and troubleshooting principles for handling bulk solids in bins, hoppers, chutes and feeders for safe and trouble-...

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...

Apply Six Sigma for Process Improvement and Problem-Solving

March
2011
Back To Basics
George Liebermann
Many manufacturing processes are not run as efficiently as they could be. The Six Sigma methodology provides a foundation for continuous improvement and for solving quality, operational, and other problems.

Applications in Drug Delivery and Tissue Engineering

February
2006
SBE Special Section
Ali Khademosseini, Robert Langer
Nanotechnology is an emerging field that could potentially make a major impact on human health. Nanomaterials promise to revolutionize medicine and are increasingly used in drug delivery or tissue engineering applications.

Nuclear Renaissance: A Flawed Proposition

July
2010
Special Section
Anthony D'Agostino, Benjamin K. Sovacool
Nuclear power has never been safe and it never will be. Efficiency gains and investment in renewable sources of energy will be sufficient to power the planet without resorting to nuclear reactors.

Pneumatic Conveying of Bulk Solids

eLearning (online) Course
Learn design and troubleshooting strategies that result in trouble-free flow. This online course addresses challenges like wear, attrition, rate...

Design Reactors via CFD

December
2001
Reactions and Separations
Ahmad H. Haidari, Andre Bakker, Elizabeth M. Marshall
Using computational fluid dynamics to design commercial-size batch and continuous reactors can eliminate subjective experience and empiricism, leading to better-designed, more-efficient units.

A New Era in on-Purpose Butadiene (OPBD) Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 3:00pm-3:30pm
Butadiene is produced almost entirely as a byproduct of ethylene plants. As ethylene plants switch from naphtha feedstock to cheaper ethane, the...

Big Data Analytics: Meet the Authors

March
2016
Special Section
Richard D. Braatz / Leo H. Chiang / Lloyd F. Colegrove / Salvador GarcÍa Muñoz / Chaitanya Khare / John F. MacGregor / Marco S. Reis / Mary Beth Seasholtz / David White

Patent Update: Can a Patent Be Infringed Before It Issues?

June
2016
Patent Update
Henry Heines
How long does a U.S. utility patent remain in force? If asked this question, many might say 20 years. This is not correct, however. The term of a patent is the period of time extending from the issue date of the patent to 20 years from the date on...

June 2016 CEP Preview

June 14, 2016
This month a special SBE supplement looks at commercializing industrial biotechnology.

4th Middle East Process Engineering Conference & Exhibition (MEPEC 2017)

October 9-11, 2017
MEPEC 2015 is the 3rd Edition of the largest downstream process engineering conference in the Gulf region, and will be by far the biggest event to date. The conference & exhibition will be held at the Bahrain International Exhibition Centre on the 15th to 17th of September 2015 and will feature the Middle East Regional Chem-E-Car Competition.

Fundamentals of Agglomeration

Archived Webinar
May 18, 2016
Refresh your knowledge of the basic principles of agglomeration and why and how to incorporate them into your production. This 60-minute webinar...

C2 Front-End Hydrogenation Improvements

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 4:00pm-4:25pm
The presentation will address the parameters influencing selectivity and the impact over time. A side-by-side comparison of 5+ year operating data of...

Molecular Sieve Cracked Gas Dryer Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 3:40pm-4:55pm
This tutorial provides an overview of adsorption technology. It will cover the following topics: adsorption phenomenon, structure and chemistry of...

Acetylene Hydrogenation Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 2:05pm-3:00pm
Acetylene Hydrogenation Tutorial Author: Edgar Mohundro – Acetylene hydrogenation is a very important step in most olefins plant operations along the...

Manage Risk and Improve Production Start-up of Capital Projects

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 1:00pm-1:30pm
In the final phases of a capital project, there are periods of high risk and several opportunities to shorten the time to full, on-spec production...

Dividing Wall Column - Design for a Retrofit

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 4:30pm-5:00pm
A market opportunity arose for a higher value market for an existing product line if key impurities could be reduced an order of magnitude below...
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