Industrial Utility Efficiency    

Magazine

May 2016 Edition

May 2016 Edition

Featured Articles

Aggreko Assists Refineries with Fluctuating Demand

There are two distinct compressed air systems in a refinery or petrochemical environment: plant air and instrument air systems. Instrument air systems are almost always 100% oil-free air compressors on both the permanent and temporary systems. The demand for compressed air purity, in instrument air systems, is so high that the permanent install back-up system is usually nitrogen.

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Custom-Engineered Instrument Air Dryers for Refineries

Compressed air is a very important and safe source of energy used in chemical refineries and in the oil and gas industry. Typically, these industries require regenerative desiccant air dryers to control the moisture level of the compressed air used with pneumatically controlled devices. This is commonly called “Instrument Air” and usually carries a  -40 0F (-40 0C) pressure dew point specification.  It is possible, however, to see dew point specifications down to – 100 0F (-73 0C).

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Detailed Design — An Ounce of Design is Worth a Pound of Project

Insufficient focus at the design phase will kill a project. In one aerospace project, insufficient detail was paid to the physical size of the air compressor. The compressor didn’t fit in the allocated space—requiring the extension of the building, and costing tens of thousands of unbudgeted dollars. That had a significant, negative impact on the project return.

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Don’t Skip the Most Important Meeting of Your Energy Project

In many parts of the country—and especially the Pacific Northwest—interest has surged in completing energy-saving compressed air system upgrades. The financial assistance from incentive programs, combined with the falling costs of efficiency-increasing technology, has made these projects very attractive to all those involved. The benefits for society, power companies and customers are immense.

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Refrigerated Dryers Tested by the CAGI Performance Verification Program

Compressed Air Best Practices® (CABP) Magazine and the Compressed Air and Gas Institute (CAGI) cooperate to provide readers with educational materials, updates on standards and information on other CAGI initiatives. CABP recently caught up with Rick Stasyshan, Technical Director for the Compressed Air and Gas Institute (CAGI) to provide readers with some insights into the benefits of CAGI’s Verified Performance Program for refrigerated compressed air dryers.

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Oversized Dryer Causes Pressure Issues at a Chemical Plant

A Canadian chemical plant installed a large heated blower-purge style compressed air dryer, years ago, to condition the instrument air system against freezing temperatures. The dryer selected was oversized for the connected air compressors and had unused on-board energy savings features.  A compressed air assessment revealed the site air compressors and compressed air dryers were running inefficiently and causing in-plant pressure problems. Repairs to a compressed air dryer and the replacement of aging air compressors and dryers has reduced compressed air energy costs by 31 percent.

Read the full article here.

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