AIChE

Amine Treating: A Technology Review and Tutorial

AIChE Spring Meeting and Global Congress on Process Safety
Apr 3, 2012
Removal of H 2 S and CO 2 from gas streams and liquid hydrocarbon streams is important in many industrial processes. Solutions of aqueous amines have...

Hydrogen Membrane Technology for Ethylene Production

AIChE Spring Meeting and Global Congress on Process Safety
Apr 3, 2012
HYDROGEN TRANSPORT MEMBRANE TECHNOLOGY FOR ETHYLENE PRODUCTION U. (Balu) Balachandran, T. H. Lee, C. Y. Park, and S. E. Dorris Energy Systems...

Ethylene Industry Review

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
This paper will focus on ethylene business aspects covering: · Global review of the markets and market outlooks for olefins (ethylene / propylene /...

Re-Rating Ethylene Plant Equipment for Optimum Results

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
Rerating of turbomachinery equipment installed in ethylene plants is a well established method of improving plant operation, whether it is capacity...

Operations Management Panel Discussion

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
The intent of this session is to present and develop a framework for management of rotating equipment within the plant. The papers and panel...

Stability Analysis of Safety Valve

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
The stability for a safety valve was investigated by experiments and analysis. It was found that the dynamic instability was caused by the...

Oxygen/Combustible Safeguards in Low Nox Fired Heaters

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
Refineries have been installing low NOx equipment on their fired heaters in response to tighter environmental regulation. Low NOx burners minimize...

Environmental Law and Regulation 101

AIChE Spring Meeting and Global Congress on Process Safety
Mar 21, 2010
This presentation will provide a summary of each of the primary environmental regulatory programs, including air, water, waste and emergency planning...

Fundamentals of Industrial Catalytic Processes, 2nd Edition

October, 2005
Catalysis is central to the chemical industry, as it is directly or involved in the production of almost all useful chemical products. In this book the authors, present the definitive account of industrial catalytic processes. Throughout Fundamentals of Industrial Catalytic Processes the...

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...

Saluting AIChE’s Centenarians

November
2008
Centennial
In honor of AIChE’s 100th birthday, we recognize two members who have each celebrated more than 100 birthdays.

Valves 101: Types, Materials, Selection

March
2009
Back To Basics
Brian Gordon
The most common valves used in chemical processing are ball valves, butterfly valves, diaphragm valves, and check valves.

Co-Inventors: Who Owns the Patent Rights?

June
2012
Patent Update
M. Henry Heines
A joint invention arises from the combined efforts of two or more inventors. Once a patent is granted, however, the inventors do not necessarily share in the rewards.

Virtualizing Your Process Control Computers

January
2012
Instrumentation
Paul Hodge
By employing the latest virtualization solutions for process control systems, chemical plants can reduce PC hardware requirements, simplify system management, and lower the total cost of ownership, as well as improve site availability, reliability,...

Science on a World Stage

July
2008
News Feature
Gordon Ellis
The first annual World Science Festival takes Manhattan by storm, with 120,000 people celebrating scientific diversity.

Measuring Temperature by Direct Contact

September
2011
Back To Basics
Gary Freemer
Thermocouples and resistance temperature detectors are the most common contacting temp­erature sensors. Understand the techniques and apply them correctly to increase your temperature measurement accuracy.

Whatever Happened to the Class of 2009?

September
2009
News Feature
Gordon Ellis
Regardless of their current employment status and personal outlook, the new class of chemical engineering graduates is con?dent that they possess a unique versatility and capacity to make good and do good.

Classifying Reactive Chemicals

March
2004
Safety
M. Sam Mannan, Sanjeev R. Saraf, William J. Rogers
This simple classification scheme can be used to characterize the thermal instability risks posed by reactive chemicals in a process.

Audit Your New EHS Software System

October
2004
Environmental Management
Jill Barson Gilbert
A post-implementation audit of the environmental, health and safety management information system evaluates how well the software meets user needs and its value to the organization.

Choose the Right Gas Sensor

September
2009
Instrumentation
Sandra Barnes
Selecting a sensor for continuous monitoring involves many considerations. This article discusses the types of sensors available, their applicability and limitations, and how to choose an appropriate sensor to protect people and equipment.

Improving Reverse Osmosis Performance

September
2010
Reactions and Separations
Loraine Huchler
Follow these guidelines for monitoring, evaluating, and troubleshooting RO units to ensure reliable and efficient system operation.

Properly Purge and Inert Storage Vessels

February
2001
Safety
George R. Kinsley Jr.
Inert gases are used to prevent fires and explosions in the vapor spaces of equipment. Correct selection of oxygen concentration and inert gas flow rate are critical to ensuring safety.

Minimize Enforcement Penalties

July
2001
Environmental Management
Jessica L. Idzerda
Identify possible New Source Review/Prevention of Significant Deterioration penalties by conducting an internal audit and disclosing potential violations.

Preventing Pollution Around the World

November
2001
Environmental Management
J. J.  Rao
By implementing these strategies at all of its overseas facililities, an international corporation can reap such benefits as increased efficiency, reduced costs and a positive public image.

Exploring Instrumentation Alternatives

September
2008
Instrumentation
Robert Baker
Salvaged, remanufactured, refurbished or new-surplus equipment may be a cost-effective option. Here's how to recognize when such devices may no longer meet safety or regulatory requirements.

Should Your Organization Fly Warning Flags?

December
2009
Safety
Ian Sutton
In the safety culture of some companies, the first recognition of trouble may be a sudden and massive failure. Learn how to decipher the warning signals to avoid safety incidents. <BR><BR>

Agitating Fibrous Materials

June
2010
Back To Basics
Gregory T. Benz
Slurry agitation involves complicated processes. This article presents guidelines for understanding the rheology of cellulosic and other fibrous materials, and outlines a method for scaling up their agitation.

Process Synthesis: Poised for a Wider Role

April
2001
On The Horizon
W. R. Johns
Software for generating process designs has made relatively limited inroads so far. But, it now is set to follow simulation and become a tool routinely used by chemical engineers.

Test Your Incinerator Knowledge

February
2003
Environmental Management
Richard J. Martin
Do you feel like you're in the dark? Take this quiz to find out how much you know about thermal oxidizer selection and operation.

Plant Security Remains a Moving Target

May
2008
News Feature
Cynthia F. Mascone
While chemical companies work toward complying with existing standards, legislators are poised to revise those very rules — with changes ranging from minor tweaking to major overhaul on the table.

Screening Reactive Chemical Hazards

May
2006
Safety
Yen-Shan Liu
Use these tools to identify potentially reactive chemical hazards and avoid the expense of conducting numerous detailed hazard assessments.

Create Effective Process Safety Moments

May
2010
Safety
Deborah Luper
Process safety topics are underrepresented in safety communications. Here are ideas on how to convey your organization’s safety priorities in messages tailored to the audience.

Saving Energy in Multilevel Steam Systems

January
2012
Back To Basics
Wiroon Tanthapanichakoon
Avoid some common pitfalls by taking this holistic approach when implementing projects to reduce the consumption of steam.

Converting a Commercial Distillation Column into a Research Tower

July
2005
Reactions and Separations
Ralph Weiland
Operating a column under actual distillation conditions is important for obtaining commercially valid hydraulic data. This article describes how a column was modified to operate in either a production or a research mode to collect hydraulic and mass...

What’s New Then and Now - Part 1

November
2008
Centennial
Matthew McKeon-Slattery
This special products section looks at some of today’s equipment and service offerings alongside product write-ups and ads from the past.

Process Simulation from the Ground Up

April
2009
Back To Basics
David Hill
Today's process simulators produce graphical, data-filled and detailed results that can improve the effectiveness of the engineers who use them.

Managing Transportation Safety and Security Risks

October
2009
Safety
Brad A. Fuller
Effective transportation risk management (TRM) balances safety and security with operational efficiency. When developing a TRM program, use this comprehensive framework and these practical techniques to identify and screen risks.

Prepare for a Different Future

February
2001
Opinion
Calvin B. Cobb
The U.S. industrial landscape is changing dramatically. This has significant implications for our profession and individual chemical engineers.

Controlling NOx Emissions - Part 1

March
2002
Environmental Management
Mike Bradford
NOx emission standards are becoming very tight, especially in the Houston area and in Southern California. Among the technologies to meet these standards are process modifications and energy efficiency improvements, as well as advanced burner...
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