Industrial Utility Efficiency    

Magazine

May 2015 Edition

May 2015 Edition

Featured Articles

The Challenges of Auditing Compressed Air in Chemical and Petrochemical Plants

Paul Edwards, from Charlotte-based Compressed Air Consultants, Inc., reviews in his article for us this month, how their emphasis on safety, process stability and system reliability impacts compressed air audits. For example, the installation of measurement and monitoring instruments often has to go through rigorous permitting approval processes - making the pre-audit stage incredibly important.

Read the full article here.

The Titus Company Customizes Nitrogen Generation and Petrochemical Plant Applications

Oil refineries need to dry the carbon dioxide (CO²) emissions coming from their hydrocracking applications. In our profile of The Titus Company, Stephen Titus walks us through a custom-built internally heated reactivated desiccant dryer supplied to a refinery and James Bowers reviews a nitrogen generation package custom-built for sealing and blanketing natural gas.

Read the full article here.

 

Centrifugal Air Compressor Basics: Deciphering Manufacturer Performance Curves

Centrifugal air compressors are the workhorses of large process plants in the U.S. Hank van Ormer, from Air Power USA, provides us with a practical auditing article reviewing the operating principles of centrifugal air compressors and providing a guideline for deciphering operating curves helpful to understanding general performance.

Read the full article here.

A Systems Approach Helps Rockline Industries Retrofit a Compressed Air System

Rockline Industries is one of the largest global producers of consumer products, specializing in wet wipes and coffee filters. The company contacted the Arkansas Industrial Energy Clearinghouse after identifying that the compressed air system in their Springdale, Arkansas facility was a potential source of significant energy savings. Andrew Chase Harding and Darin Nutter, from the University of Arkansas, write about how using a systems approach made this a successful compressed air analysis.

Read the full article here.

Turbo Compressor Upgrades Yield Energy Savings at Vale in Manitoba

Vale (formerly known as INCO), located in Manitoba, Canada, has reconfigured a system of large turbo compressors in their mining, milling, smelting and refining operation, and gained very large energy savings through a series of improvement projects. Ron Marshall, on behalf of the Compressed Air Challenge®, documents an audit of this 100 psi installation which, when new, consisted of five large axial compressors ranging in size between 5760 hp and 2500 hp sending air into hybrid refrigerated/desiccant compressed air dryers.

Read the full article here.

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