Chemical Engineering Practice

Tutorial on Adsorption Unit Troubleshooting

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2019
The cracked gas driers are a reliable unit operation in the ethylene plant. Because issues with adsorption units are rare, the process engineer may...

Decoke Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2019
When a cracking furnace reaches its end of run (EOR) condition, an online steam/air decoke will be conducted to gain back the performance of the...

Digital Plant: The Convergence of Process and Operational

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2019
“Refiners are poised to adopt new technologies at a faster pace after years of incremental progress; this effort could save the...

Transforming Abundant Data into Improved Process Reliability

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2019
Today, processing facilities are beginning to effectively utilize the abundance of process and asset health data and information as part of an...

High Cycle Fatigue in Steam Turbines

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 1, 2019
Review the impact of high cycle fatigue for steam turbine blades especially in high stress areas Discuss the presence of inclusions, especially those...

Distillation Technology: What’s Next?

August
2019
Back To Basics
José L. Bravo
Distillation is often described as a mature technology that is well understood and established, no longer requiring funding or attention from research and development. This thinking is flawed, as distillation has come a long way in the past three decades and has even more room to grow.

Editorial: Let’s Talk Separations

August
2019
Editorial
Cynthia Mascone
Our editorial calendar told me that this issue’s Back to Basics article would cover distillation, but I didn’t know specifically what Liz Pavone, who handles that department, had planned until I got her edited article: “Distillation Technology: What...

New Products: August 2019

August
2019
New Products
MATERIALS AND CHEMICALS Binder for Textile Coating Strengthens Wet and Dry Materials Appretan NTR is a water-based textile coating binder made of renewable ingredients for applications such as tea bags, coffee filters, and capsules. Approximately...

July 2019 CEP Preview

July 9, 2019

A look at commissioning smart technology equipment, an intro to vapor intrusion, cutting costs and emissions with combustion control, and more.

Optimize your Continuous Process Campaign

Archived Webinar
Jun 26, 2019
Did you know there are simple tools that can significantly improve your process campaign strategy? Or reduce turnaround costs? Join this 60-minute webinar to learn how to optimize your continuous...

Introduction to Industrial Insulation

May
2019
Back To Basics
Kim Melton, Jack Bittner
Designing an insulation system is more nuanced than simply selecting a material that has a maximum use temperature above the operating temperature of your system.

Rethink Commissioning for Smart Technologies

July
2019
Management
Peter Kalish
Effective commissioning is critical to realizing the benefits of new equipment. As many facilities transition to smart technologies, this process requires even more diligence.

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.

Essentials of Steam Turbine Design and Analysis

August
2018
Back To Basics
Jimmy D. Kumana
Effective design, analysis, and integration of steam turbines can help optimize steam supply reliability and overall energy efficiency across your plant.

New Products: July 2019

July
2019
New Products
Heat Transfer Stirring Hot Plates Handle Corrosive Materials These corrosion-resistant, multiposition, stirring analog hot plates are suitable for acid digestions and can be used with most corrosive solutions. The 12-in. (305-mm) square ceramic...

An Introduction to Vapor Intrusion

July
2019
Environmental Management
Tracy L. Repp, Brooke N. Voeller, Jeffrey A. Bolin
Vapor intrusion (VI) occurs when contaminants in soil or groundwater drift into a building or facility through cracks and seams in the foundation. This article describes steps to mitigate VI at your facility.

2019 AIChE Salary Survey: Expanded Analysis

June
2019
Salary Survey
Chemical engineers continue to earn more than the average U.S. worker. The median salary of survey respondents is $126,000 — 1.6% higher than the median reported in 2017.

Leverage Dynamic Process Simulation

August
2019
Computational Methods
John E. Edwards, Daniel Hill, David Hill
Dynamic simulations are able to replicate actual plant behavior, making them valuable for plant design, operation, optimization, and training.

Reducing Energy Costs and Emissions with Combustion Control

July
2019
Plant Operations
Julie Valentine
Combustion in fired heaters and boilers is typically based on either volumetric flow control or pressure control of the fuel gas feeding the burner. Using mass flow control could help lower energy costs and emissions.

Improve Regeneration of Adsorbent Beds

October
2018
Reactions and Separations
Tom Lessard, P.E., Sarah Skillern
Evaluating adsorbent bed process design and regeneration procedures can provide opportunities for optimization, ultimately reducing operating costs and emissions.

June 2019 CEP Preview

June 11, 2019

This issue, the 2019 AIChE salary survey for chemical engineering, along with articles on smart manufacturing, cybersecurity, cooling tower design, and much more.

Pneumatic Conveying of Bulk Solids

Face-to-Face Course
Gain a better understanding of pneumatic conveying problems and principles, allowing you to evaluate and troubleshoot your in-plant systems to...

Integrated Process Synthesis

Face-to-Face Course
As a chemical engineer, before you can make proposed process alterations you must consider the potential investment return. Yet, typically this...

Advanced Manufacturing Progress: Intensification of Fast Pyrolysis

June
2019
Advanced Manufacturing Progress
Robert Brown
Fast pyrolysis is one of many processes being developed to convert biomass into advanced biofuels and other energy and chemical products. In fast pyrolysis, biomass is rapidly heated to about 500°C to release volatile compounds that are quickly...

New Products: June 2019

June
2019
New Products
Operations and Maintenance Remote Data Logger Connects to the Cloud The Digi-Sense multiparameter data logger allows operations maintenance personnel to remotely monitor temperature, humidity, CO 2 , or barometric pressure levels of a laboratory,...

Patent Update: Will Secret Sales Be a Bar to a Patent?

June
2019
Patent Update
M. Henry Heines
In one of its rare forays into patent law, the U.S. Supreme Court redefined one type of prior art ( i.e., the pre-existing disclosures or commercial activities that can invalidate a patent), narrowing the opportunities for inventors who engage in...

Smart Manufacturing: Hope or Hype?

June
2019
Back To Basics
Munawar Saudagar, Minghua Ye, Sultan Al-Otaibi, Khalid Al-jarba
The chemical process industries (CPI) are hurtling toward a smarter future, but confusion and exaggeration around new technologies are causing some to want to stay behind. Sober guidance on selection, implementation, and utilization of digital tools can help differentiate the hope from the hype.

Time-Scale Analysis: A Process Intensification Tool

Live Webinar
Live Wednesday, October 16, 2019, 2:00pm-3:00pm EDT
When developing chemical process modules or analyzing a plant flow-sheet diagram one needs a tool to recognize the elements of the process where process intensification is needed and in what...

Meet Process Engineer Ogochukwu Enekwizu

May 17, 2019

Welcome to the latest in a series of AIChE blog posts profiling process engineers, a diverse group of professionals spanning multiple industries and regions.

May 2019 CEP Preview

May 15, 2019

This month, a look at chemical engineering in the food industry, along with tips for industrial insulation, dealing with vapor-phase idealities in chemical process simulations, and more.

Putting Pressure on Food

May
2019
SBE Special Section
V.M. (Bala) Balasubramaniam, Nitin Nitin, Kathiravan Krishnamurthy, Alifdalino Sulaiman
The food industry has embraced high-pressure processing (HPP) as a food safety technology. HPP may also help satisfy consumer demand for clean-label products that are safe, nutritious, and don’t include synthetic chemicals.

Vapor-Phase Nonideality: When to Worry

May
2019
Computational Methods
John P. O'Connell
Should you account for vapor property nonidealities in chemical process simulations? The answer will depend on the degree of uncertainty allowed in your system.
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