Choosing motor controls and drives

In any industrial control application, using the right drives and motor controls can make or break the project, and also can make a huge difference in how well those applications perform.

Safeguard plant safety

The worst thing that can happen at your plant is that an employee suffers a serious injury from a preventable accident. Follow some proven maintenance pointers to keep operations safe.

Process Hazard Analysis: Collar hazards with a Bow-Tie

A flexible, graphical method offers many advantages for initial process hazard analyses. Read here for a detailed explanation of the Bow-Tie method.

Condensate cripples compressor

Readers offer tips on how to keep a standby compressor ready for service.

Improve operational accuracy

Soft sensors win hard jobs

Virtual instruments are gaining increasing roles — and capabilities — for closed-loop process control.

Track that spill

Chemical Processing's readers offer tips about how to locate and identify a chemical spill.

Don’t waste your boilers

Chemical Processing's readers offer tips about how to properly isolate a waste heat boiler.

Know when the end is near

Chemical Processing's readers offer tips about how to determine resin-reaction end point.

Pipe joint poses safety concerns

Readers ponder how to deal with an asbestos gasket.

Prevent heat-exchanger plugging

Readers suggest how to keep a solvent recovery system running smoothly.

Cure column hiccups

The importance of waste minimization

It makes good environmental, economic, and business sense.

Let’s heat up efforts to save energy

Ample opportunities to boost efficiency certainly exist at most plants.

Chemistry offers attractions on many scales

Even in a depressed job market, chemists have the kudos to prove their worth.

Get a fix on Adjustable Speed Drive Problems

Adjustable speed drives sometimes may harm bearings and lubricants.

Treat precipitation reactions as reactive crystallizations

Crystallization concepts can provide crucial insights for improving precipitate filterability.

Maintenance diagnostics get a makeover

Plants increasingly are outsourcing these vital services, lured by larger vendors and broader capabilities.

Design Methods for Reflux Condensers

Reflux condensers have become increasingly important to eliminate condensable organic components from plant off-gas streams and meet environmental requirements. Recognizing this need, HTRI conducted an experimental and analytical study in the late 90s to predict flooding, as well as heat transfer and pressure drop in vertical intube reflux condensers.

Vaaler Award Winners

Editor in Chief Mark Rosenzweig congratulates the winners for CP's annual Vaaler awards, given to the products and services that most improve the operations and economics of plants.