The System Assessment
Food
Plastics
Paper
Printing
Pharmaceutical
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Bulk
Transit
Metals
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Power
Oil & Gas
Wastewater
This chemical plant spent an estimated $3,153,022 annually on energy (steam and electricity) to operate the compressed air system at their facility. The plant staff established their energy costs as 5.3 cents per kWh and $9.00 /1,000 lbs of steam per hour. The set of projects implemented in this system assessment reduced energy costs by an estimated $2,794,598 or 88% of current use. In addition, these projects reduce demand on the boiler systems and add reliability and back-up to the compressed air system.
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Keeping an open mind is critical in all system assessments. Each client has different priorities and circumstances. In this case, the elimination of the “close-scrapes” with insufficient pressure was the priority. The energy and rental/maintenance savings realized were just an added bonus. In this article, we have focused on the supply-side of the system and how the centrifugal compressors could be made to supply the system reliably – without the need for rental air compressors.
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The 2012 Edition of the PepsiCo National Fleet/OG&S Sustainability Training Summit and Trade Show took place in San Antonio, March 19-22. Held in the San Antonio Convention Center, over 700 PepsiCo fleet and operations personnel attended. Led by Compressed Air Best Practices® Magazine’s Editorial Board Member, Eric Battino, over 150 people involved with Resource Conservation at PepsiCo also attended.
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