Plant Operations

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>

Air Heater Cleaning Simplified

October
2001
Heat Transfer
Brad Buecker
This high-pressure water washing technique can be used to clean Ljungstrom-type air heaters.

Choose the Right Electric Motors for Hazardous Locations

November
2011
Back To Basics
Uriah Van Amerom
Risks associated with operating an electric motor in hazardous areas range from production downtime to injury and death. Learn how to assess the operating environment and select the appropriate motor.

Propel Your Pneumatic Conveying System to Higher Efficiency

April
2001
Fluids and Solids Handling
Francisco  Cabrejos, Thomas G. Troxel, Herman  Purutyan
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.

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.

Understanding Steam Traps

February
2011
Back To Basics
James R. Risko
Steam trap failure can affect process operations and reduce profits. Choosing the right steam traps can improve reliability and reduce cost.

Evaluating Dryers for New Services

December
2003
Heat Transfer
Charles G. Moyers
Continuous dryers are accurately and easily evaluated using laboratory-scale simulators combined with the specific drying rate approach.

Preventing Maldistribution in Multi-Pass Trays

April
2010
Reactions and Separations
Matthew R. Olsson, Walter J. Stupin, Richard Dionne, Henry Z. Kister
This method, based on hydraulic equations in the open literature, calculates vapor/liquid distribution in four-pass trays to correctly predict flooding and efficiency.

Follow These Best Practices in Steam System Management

December
2001
Heat Transfer
Fred L. Hart, Gilbert A. McCoy, David  Jaber
These tips on how to improve steam generation, distribution and recovery can help a plant to increase its steam system efficiency by as much as 20-30%.

Rotating Equipment

October
2005
Fluids and Solids Handling
Kazim Akhtar
Protect compressors and turbines by using piping strainers and following the line procedures outlined in this article.

Nitrogen: A Security Blanket for the Chemical Industry

November
2011
Fluids and Solids Handling
Bill Carlson, Joe Dumoit, Shiying Zheng, Paul Yanisko
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.

Properly Clean Out Your Organic Heat-Transfer Fluid System

May
2001
Heat Transfer
 Conrad  Gamble, Jay  Heidari, Ander  Beain
Follow these guidelines for applying side-stream filtration to on-line cleaning, and chemical or mechanical cleaning to equipment that has been drained of fluid.

Beware of Pitfalls of Carbon Dioxide Freezing Prediction

March
2005
Heat Transfer
Steve Chafin , Tim Eggeman
Carbon dioxide freezing in a cryogenic system can result in plugging and other operational problems. This article offers insights into the carbon dioxide freezing phenomenon.

Minimize Mechanical Integrity Budget Battles

February
2011
Safety
Jack McCavit, Daniel A. Long, P.E.
Chemical processing and manufacturing plants must ensure the mechanical integrity of their equipment. These strategies and tactics can make doing so easier when budget issues arise.

Hydrogen: Liability or Asset?

September
2002
Reactions and Separations
Dennis Vauk, Ian Moore, Nick  Hallale
In a petroleum refinery, viewing hydrogen as an asset rather than a liability can lead to increased profits. The key is in the mindset. A typical investor uses money to make money. This article shows you how to use hydrogen to make money.

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.

Learn to Effectively Operate and Maintain Pumps

December
2011
Back To Basics
Daniel Kernan
Centrifugal pumps play a central role in chemical processing. Proper pump operation and maintenance can improve a facility's productivity, reduce downtime, and trim costs.

Principles and Case Studies of Simultaneous Design

September, 2011
There are many comprehensive design books, but none of them provide a significant number of detailed economic design examples of typically complex industrial processes. Most of the current design books cover a wide variety of topics associated with process design. In addition to discussing...

Problem Solving for Process Operators and Specialists

April, 2011
This book provides methods to train process operators to solve challenging problems. The book is split into two parts. The first part consists of two parts; first developing a daily monitoring system and second providing a structured 5 step problem solving approach that combines cause and effect...

Pump Wisdom: Problem Solving for Operators and Specialists

April, 2011
An accessible guide to the main reasons pumps fail—and what can be done about it Workhorses in many different industries, including the oil industry, water industry, chemical industry, food industry, and pharmaceutical industry to name a few, pumps are a vital contributor to maintaining and...

LNG Risk Based Safety: Modeling and Consequence Analysis

March, 2010
The expert, all-inclusive guide on LNG risk based safety. Liquefied Natural Gas (LNG) is the condensed form of natural gas achieved by cryogenic chilling. This process reduces gas to a liquid 600 times smaller in volume than it is in its original state, making it suitable for economical global...
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