Chemical Processing LogoApril 2015 Issue Preview

Ad Closing: March 12, 2015 | Material Closing: March 19, 2015

Cover Story
Readers Rate Their Salary and Satisfaction
By Amanda Joshi, Managing Editor
Here are the results of our latest annual salary and job satisfaction survey. The article provides details on salary and other income as well as on issues affecting job satisfaction, and puts these into context against last year's results.

Design and Optimization
Ensure Adequate Engineering Quality
By Stephen Cabano, Pathfinder
Misaligned quality expectations between operating companies and contractors afflict many projects. Defining what quality means and communicating this through engineering deliverables can improve the overall delivery process.

Maintenance and Operations
Prevent Flash Fire and Explosion Hazards
By Anand Kenchenpur, Chilworth Technology
Many plants handle flammable and combustible liquids and so can face significant safety hazards. Here are some practical guidelines for selecting an appropriate technique for preventing the formation of ignitable mixtures.

Solids and Fluids Handling
Agglomeration Gets New Scrutiny
By Seán Ottewell, Editor at Large
Caking and agglomeration of powders can cause processing difficulties. Work to better understand the mechanisms of caking and to detect agglomerates promises to help process plants avoid such problems.

Making it Work
Better Data Analysis Saves Millions
By Lloyd Colegrove, Dow Chemical
With 188 plants worldwide, Dow collected enormous amounts of data but didn't make the most of these data. So, it turned to a system to aggregate the data that allowed it to better analyze the data and deliver relevant information.

Plant InSites
Is Your Control Valve Too Leak-Tight?
By Andrew Sloley, Troubleshooting Columnist
Control valves do not seal 100% tight. ANSI classifies the valves into six leak classes. As the leak tightness of the class increases, so does valve cost. So, engineers must carefully match the valve they select to process requirements.

Energy Saver
Nix Non-condensables
By Riyaz Papar, Energy Columnist
Chillers and refrigeration systems accumulate non-condensables; these often get in during maintenance. The buildup of these inert substances increases head pressure and thus energy consumption and decreases capacity.

Advertising Information

For advertising information contact your district manager or Rita Fitzgerald, Production Manager, at 630/467-1300 ext. 468. Send insertion orders to her at Chemical Processing, 1501 E. Woodfield Rd., Suite 400N, Schaumburg, IL 60173; fax 630/467-0197; e-mail

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