Author: Neil Mehltretter, Technical Director, Kaeser Compressors, Inc.
The U.S. Department of Energy estimates that air compressors use as much as 10% of all electricity generated in the United States. Further, the DOE calculates that as much as 50% of this energy is wasted. Compressed air leaks alone account for 25-30% of compressed air use. Consequently, many industrial companies are identifying ways to lower their compressed air system energy consumption. One of the most popular methods is a comprehensive compressed air audit. This white paper defines the five steps necessary for an effective compressed air audit. These steps include:
Step 1: Conduct a Site Survey
Step 2: Measure and Quantify kW / 100 cfm
Step 3: Understand the System Dynamics
Step 4: Implement a Recommendation to Improve kW/100 cfm
Step 5: Verify Performance of kW/100 cfm
The paper uses a real-world example with system information from a magnetic materials manufacturer to clearly illustrate each step showing how they achieved a 42% reduction in annual energy costs.
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