Chemical Processing LogoSeptember 2015 Issue Preview

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

Cover Story
Water Conservation Gets Greater Attention
By Seán Ottewell, Editor at Large
Plants increasingly are concerned about the quality, quantity and cost of the water they rely upon. This has spurred new or expanded efforts to conserve water. Here's a look at what some sites are doing to save the resource.

Maintenance and Operations
Succeed at Vacuum System Troubleshooting
By Keith Webb, Tuthill
Problems in providing sufficient vacuum can bring certain operations to a halt. Usually, the vacuum pump itself isn't the culprit. Here's a proven approach for identifying the actual source of the problem and addressing it.

Solids and Fluids Handling
Become Savvy About Steam Turbines
By Amin Almasi, Rotating Equipment Consultant
Steam turbines are used to drive equipment such as compressors, pumps and electrical generators. Here's a guide to the types of such turbo-machines, their design and operation, as well as reliability and maintenance issues.

Instrumentation and Control
Combat Cyber Security Vulnerabilities
By Jeff Melrose, Yokogawa U.S.
The Dept. of Homeland Security's Industrial Control Systems Cyber Emergency Response Team provides resources and services that can form the basis for cyber-security planning and improving industrial automation systems.

Making it Work
Sustainable Chemistry Index Informs Efforts
By Anne Wallin, Dow Chemical
Dow developed its Sustainable Chemistry Index to assess the relative sustainability performance of its entire product portfolio. The metric has helped build awareness of key concepts and identify both opportunities and risks.

Energy Saver
Understand Cogeneration, Part 1
By Riyaz Papar, Energy Columnist
Natural gas turbines with steam generation can produce both electricity and heat. This first of two columns on such cogeneration looks at the heat aspects, particularly how to increase the heat recovery efficiency of the system.

Plant InSites
Treat Bypasses With Care
By Andrew Sloley, Troubleshooting Columnist
Bypasses often are installed around control valves to ease maintenance of the valves. Some plants allow flow through a bypass during normal operations to boost capacity. Such use of a bypass demands thoughtful analysis.

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