Chemical Engineering Practice

Optimizing the Industrial Gas Supply Chain

AIChE Annual Meeting
Nov 9, 2009
Smart process manufacturing (SPM) refers to a design and operational paradigm involving the integration of measurement and actuation; environment,...

Basic Process Measurements

June, 2009
A unique resource for process measurement Basic Process Measurements provides a unique resource explaining the industrial measuring devices that gauge such key variables as temperature, pressure, density, level, and flow. With an emphasis on the most commonly installed technologies, this guide...

Fluid Flow for the Practicing Chemical Engineer

June, 2009
This book teaches the fundamentals of fluid flow by including both theory and the applications of fluid flow in chemical engineering. It puts fluid flow in the context of other transport phenomena such as mass transfer and heat transfer, while covering the basics, from elementary flow mechanics to...

Thermodynamics for the Practicing Engineer

June, 2009
Thermodynamics for the Practicing Engineer, as the title suggests, is written for all practicing engineers and anyone studying to become one. Its focus therefore is on applications of thermodynamics, addressing both technical and pragmatic problems in the field. Readers are provided a solid base in...

Crystallization of Organic Compounds: An Industrial Perspective

May, 2009
Filled with industrial examples emphasizing the practical applications of crystallization methodologies Based on the authors' hands-on experiences as process engineers at Merck, Crystallization of Organic Compounds guides readers through the practical aspects of crystallization. It uses plenty of...

Audits, Inspection and Regulation

Global Congress on Process Safety
Apr 29, 2009
In the past few years, we have seen renewed emphasis on PSM through OSHA’s National Emphasis Programs and Homeland Security new Chemical Security’s...

Shortcut Methodology in Pilot Plants

AIChE Spring Meeting and Global Congress on Process Safety
Apr 29, 2009
This session is devoted to short cut methods in pilot plants, including enhanced experimentation, multi-throughput methods, and use of modeling to...

Expansion, Revamps, and Debottlenecking

AIChE Spring Meeting and Global Congress on Process Safety
Apr 28, 2009
Maximize Existing Assets through Innovative Revamps - CCR PlatformingTM Process Unit ·<span style="&'font:" 7pt="" 'times="" new="" roman';...

Simulation, Engineering and Design

AIChE Spring Meeting and Global Congress on Process Safety
Apr 27, 2009
Simulation and computer aided calculations are widely utilized and increasingly relied on in development, design, and engineering for chemical and...

Kamlesh Bhatia: A Career In Innovation

AIChE Annual Meeting
Nov 17, 2008
We give an introduction and overview of the career of Dr. Kamlesh K. Bhatia, highlighting his major accomplishments and his influences on current and...

The Yoga of Process Development

AIChE Annual Meeting
Nov 17, 2008
Process Development is analogous to Yoga. It is a ‘Yoga' – a disciplined process for integrating the essential components to create a vision of the ‘...

Success and Prospects in Process Systems

AIChE Annual Meeting
Nov 16, 2008
Process Systems Engineering (PSE) has been at the core of chemical engineering's definition as a discipline since the earliest stages of its...

Success and Prospects in Thermodynamics

AIChE Annual Meeting
Nov 16, 2008
Accurate thermodynamic models are essential to any chemical engineering endeavor. In this presentation, Cummings reviews some of the more important...

Chemical Engineering Faculty Directory: 2006-2007

February, 2007
This one of a kind directory conveniently lists the contact information for chemical engineering faculty members, department heads, academic advisors, student organization advisors, and placement officers at over 450 Universities worldwide. The directory's easy-to-use format lists chemical...

Chemical Engineering Faculty Directory: 2005-2006

January, 2006
This faculty directory lists the contact information of all the faculty members, placement administrators, and student organizations of almost 500 worldwide universities and technical institutes offering chemical engineering curricula.

Spray Dryers: A Guide to Performance Evaluation, 2nd Edition

August, 2004
Spray Dryers: A Guide to Performance Evaluation, Second Edition discusses the reasons for spray drying. These reasons are usually to produce a product with certain desired properties or with better efficiency than other methods. The book discusses how to plan in light of these objectives and gives...

AIChE Equipment Testing Procedure - Particle Size Classifiers, 2nd Edition

June, 1993
This procedure offers complete methodologies for sampling and measuring particle streams and summarizes methods of particle size analysis. It also lists operating variables to be considered and measured. Although the procedure is intended specifically for particle classification equipment, many of...

Harness Electricity to Operate Valves

June
2012
Back To Basics
Justin Ledger
Actuators automate valves by converting an input signal into motion. This article explains the basics of electric actuator design and explores the different types of electric actuators.

Reduce Unplanned Shutdowns

September
2003
Instrumentation
Cindy Scott
Today's intelligent devices are equipped with modern alarm technology that enables speedy delivery of critical information to key personnel, thus enhancing efficiency and minimizing downtime.

Optimize Energy Use in Distillation

March
2012
Reactions and Separations
Douglas C. White
Nonlinearities in the response of a column to changes in operating conditions and in common economic valuation functions can have significant impacts on the economic optimum energy consumption for the column. Here’s a way to account for such...

The Case for Double Mechanical Seals

June
2009
Back To Basics
Jack Berg
Using double mechanical seals as part of thermoplastic pumps can prevent costly downtime and environmental damage.

The Chemical Industry Phoenix

June
2012
Process Automation Corner
Terry McMahon
Seven years ago, I wrote a column for another publica­ tion entitled “The U.S. Chemical Industry: R.I.P.” This pillar of American economic strength, which a few years earlier was the leading exporter among U.S. manufac­turing sectors (with net exports of $15–20 billion annually), was shriveling due in large part to policy blunders and regula­tory mistakes.

Physical and Chemical Equilibrium for Chemical Engineers

April, 2012
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...

Propel Your Pneumatic Conveying System to Higher Efficiency

April
2001
Fluids and Solids Handling
Francisco  Cabrejos, Herman  Purutyan, Thomas G. Troxel
For new and existing installations, there are many system and component choices available. Here’s how to narrow down the options to make the appropriate selection for optimal performance.

Pervaporation Comes of Age

October
2001
Reactions and Separations
Nick Wynn
This membrane process has found growing use for dehydrating organics. Uses keep increasing, mostly due to development of new, high-temperature membranes.

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.

Team Up with a Consultant for Process Equipment Selection

August
2006
Career Catalyst
Gregory T. Benz
Engineers who specify, scale up or purchase process equipment typically have fewer internal or vendor resources available than in the past. This article explores the problem and offers a solution.

Selecting Agitator Seals for Bioprocessing Applications

January
2008
Fluids and Solids Handling
Gregory T. Benz, William Ho Liam Teng
Issues such as sterility, isolation and contamination must be considered when choosing seals for use in biotech and pharmaceutical processes. This overview describes common types of seals and offers guidance on selecting the appropriate seal for...

Realizing the Promise of Wireless

May
2009
Instrumentation
Bob Karschnia, Peter Zornio
Innovation drives the growth of wireless technology, as successful applications demonstrate cost savings, reliability, safety, and ease of use.

Produce Reliable Models with Efficient Meshing

August
2010
Computational Methods
Christian Wollblad, Ed Fontes, Henrik von Schenck, Phil Byrne
Improve your modeling skills to construct accurate, effective meshes that simulate or optimize a process in less time.

Tune Control Loops for Minimum Variability

January
2002
Instrumentation
Lanny A. Robbins
The Robbins tuning rules can reduce the variability of control loop response to about 60% of that observed with Ziegler-Nichols tuning rules.

Guidelines for Crystallizer Selection and Operation

October
2004
Reactions and Separations
Wayne Genck
Continuous crystallizers serve a wide range of applications in the chemical process industries. Optimize system performance by heeding these practical design and operating principles, which apply to the forced circulation (FC), draft-tube-baffle (...

Improving the Reliability of Mechanical Seals

November
2005
Operations And Maintenance
Michael Huebner
With a better understanding of seals, their selection, material considerations, and operation requirements, users can greatly improve equipment reliability and reduce operating costs.

Streamlining the Validation Process

March
2007
Management
Robert Mackey, Tim Flanigan
Today, validation is no longer an afterthought for the design and construction of a new or renovated process or facility. It is, in fact, recognized as an integral part of the total project. Fully integrated services are now available to ensure a...

Correlate Data Effectively

February
2011
Computational Methods
Faruk Civan
Follow these nine simple rules to avoid common pitfalls and get better results.

Choose Materials for High-Temperature Environments

February
2001
Materials
Peter  Elliott
High temperatures, stresses, and the presence of elements such as oxygen, sulfur, or the halogens can add up to trouble. Here is how to screen candidate alloys for such service.

Steam Trap Troubles?

February
2005
Heat Transfer
Trinath Sahoo
First, prevent problems by selecting the appropriate trap and installing it properly. If problems arise, follow these guidelines for diagnosing and correcting them.

Rx for Pharma

March
2009
Critical Issues
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.

Designing Dust Collectors

September
2011
Fluids and Solids Handling
Greg Mehos, P.E.
To assure reliable and safe operation of a dust collector, apply the basic principles of chute and hopper design — which are based on the dust's fundamental flow properties.

Estimate the Capacity of Simple Batch Processes

August
2002
Reactions and Separations
James L. Manganaro
Finding the throughput of a multiple-unit, multiple-step operation, even when it is relatively uncomplicated, is not always an easy matter. Several equations and graphical aids are provided to help determine yearly capacity.

Avoid Sulfolane Regeneration Problems

July
2004
Reactions and Separations
Donald F. Schneider
The regeneration of sulfolane, a common extraction solvent, is difficult. With proper attention to design and operation, problems can be minimized.

Selecting Corrosion-Resistant Materials

December
2006
Materials
Francesco Picciotti, Marcello Picciotti
This article looks at some common corrosion-resistant alloys and gasket materials that are available for use in applications with high pressures and temperatures.

Evaluating Cooling Tower Upgrades

May
2008
Heat Transfer
Tom Dendy
When considering improvements to cooling towers, it's important to perform an economic analysis of the options.

Find Mixing Success through Failures - Part 1

October
2008
Fluids and Solids Handling
David S. Dickey, Gary K. Patterson
Understanding when and why mixing fails in the laboratory is often the only way of avoiding a similar failure in a production-scale reactor.

Bridge the Gap with Semicontinuous Distillation

August
2001
Reactions and Separations
James R. Phimister ,  Warren D. Seider
This processing strategy combines the advantages of batch and continuous operation, providing flexibility and efficiency in a single design.

Evaluating the Economics of Desalination

December
2002
Heat Transfer
Hisham M. Ettouney, Hisham T. El-Dessouky, Peter J. Gowin, Ron S. Faibish
This article presents an in-depth analysis of thermal and membrane desalination economics and outlines a simple procedure for calculating the unit product cost for various desalination processes.

Building Models from Simulator Runs

January
2006
Computational Methods
Aad van Veldhoven, Magali de Macedo
The design-of-experiments approach has the advantage of providing the framework to build complex models with minimum use of time and effort.

Evaluating and Documenting Tower Performance

February
2010
Reactions and Separations
Daniel R. Summers
A good performance evaluation can lead to a significant improvement in column performance and establish a basis for future tower evaluations. <br>

Integrate Compressor Performance Maps into Process Simulation

June
2011
Computational Methods
Grant Stephenson
Transforming the performance maps to a reduced coordinate system that is independent of suction conditions and rotational speeds allows these curves to be accurately incorporated into a process simulator.

Innovations in Food Processing

March
2003
Fluids and Solids Handling
B. G. Swanson, G. V.  Barbosa-Cánovas, M. F. San Martín
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...

Prevent Caking During Solids Handling

May
2005
Fluids and Solids Handling
Brian H. Pittenger, Gabriel I. Tardos , Herman Purutyan
Use these guidelines to avoid potential caking problems. The key steps are to select a material characterization method, identify the factors that can be feasibly controlled and conduct tests to confirm that process/handling changes yield the...

Obtain the Best Physical Property Data

May
2009
Fluids and Solids Handling
Kevin G. Joback
Physical property values are essential for many chemical engineering tasks. This article reviews sources of physical property data, discusses the use of experimental methods to measure properties, and details several types of estimation techniques.

Nitrogen: A Security Blanket for the Chemical Industry

November
2011
Fluids and Solids Handling
Bill Carlson, Joe Dumoit, Paul Yanisko, Shiying Zheng
The benefits of nitrogen blanketing include improved process safety, better product quality, and longer equipment life. Here's how to achieve the desired safety or quality results while minimizing costs.
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