Choosing Process Vacuum Pumps
Dr. Don Collins
Vacuum pumps are an integral part of many industrial facilities. Both processing objectives and budget constraints must be considered when selecting a specific pump.
Equipment
Using Automation to Produce Quality Pharmaceuticals
Joseph S. Alford, P.E.
Automation can pay large dividends in the form of reduced process cycle times, lower operational costs, and more-consistent processes for manufacturing high-quality pharmaceutical products.
SBE Update
June Wispelwey
Improving Biopharmaceutical Development
Select the Best Model for Two-Phase Relief Sizing
Ron Darby, Paul R. Meiller, & Jarad R. Stockton , Ronald Darby
A variety of methods exist for sizing valves, but not all give the best predictions for certain conditions. RonDarby-PaulR.Meiller-JaradR.Stockton-
Rigorously Size Relief Valves for Supercritical Fluids
Ryan Ouderkirk
Previously published methods can be tricky to apply and may lead to improperly sized valves. Here is a stepwise, detailed method that more-accurately determines the orifice area.
Prepare Your Cooling System Before Startup
Paul R. Puckorius
Pre-startup actions such as initial water treatment and equipment coatings in cooling tower water systems can increase system life expectancy and efficiency, and reduce corrosion and fouling.
Converting a Commercial Distillation Column into a Research Tower
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...
Cooling Towers, Part 2: Operating, Monitoring and Maintaining
Loraine Huchler
Process plants often use evaporative cooling towers to reject heat to the atmosphere.This article explains the basics of cooling tower operation.
Options for Regenerative Thermal Oxidizers: New, Used or Upgraded?
James T. Gallo
Do you need additional capacity or better performance from your existing RTO? Here's how to evaluate whether to upgrade the existing unit, purchase a new system, or buy used equipment.
What’s New Then and Now - Part 1
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.
Improving Reverse Osmosis Performance
Loraine Huchler
Follow these guidelines for monitoring, evaluating, and troubleshooting RO units to ensure reliable and efficient system operation.
Evaluating Chiller Performance
Charles Churchman
Use these simple temperature and flow measurement techniques to evaluate chilled-utility performance and identify the most cost-effective upgrades.
Valves 101: Types, Materials, Selection
Brian Gordon
The most common valves used in chemical processing are ball valves, butterfly valves, diaphragm valves, and check valves.
ChemShow Experts Advise a Return to the Fundamentals
Matthew McKeon-Slattery
Engineers can get practical advice on a wide variety of processing equipment by attending AIChE Day at the ChemShow.
Selecting In-Process Particle-Size Analyzers
Paul Barrett
To select the proper instrument for process monitoring, one must determine what attribute of the particle system impacts the process or product parameter of concern. Once the size region is identified, it can be tracked in-process, opening up the...
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