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Air compressor efficiency in a Vietnamese enterprise

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  • Yang, Ming

Abstract

Compressed air systems in a Vietnamese footwear manufacturing enterprise consume about 10% of enterprise's total electric power supply. Energy efficiency of these air compressor systems, either equipped with new and efficient compressors or old and inefficient ones, can only reach between 5% and 10%. In other words, regardless whatever air compressors were installed, energy loss from the compressor systems was over 80%. This study discovered that energy loss was due to non-optimized operations of the air compressor systems and air leakages. The objectives of the paper are to uncover energy saving potential in Vietnamese air compressor systems, demonstrate methodologies used in the auditing and assessment, share auditing and assessment results, and serve a guide on how to analyze energy efficiency in a compressed air system. This paper concludes that energy efficiency investment in air compressor systems in the Vietnamese enterprise could be extremely cost-effective. If the enterprise invests USD 84,000 in the air compressors to improve efficiency performance, the investment capital will be recovered in about six months. The net present value of the investment will be about USD 864,000 at a discount rate of 12%.

Suggested Citation

  • Yang, Ming, 2009. "Air compressor efficiency in a Vietnamese enterprise," Energy Policy, Elsevier, vol. 37(6), pages 2327-2337, June.
    • Handle: RePEc:eee:enepol:v:37:y:2009:i:6:p:2327-2337
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    Citations

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    Cited by:

    1. Saidur, R. & Rahim, N.A. & Hasanuzzaman, M., 2010. "A review on compressed-air energy use and energy savings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(4), pages 1135-1153, May.
    2. Hernan Hernandez-Herrera & Jorge I. Silva-Ortega & Vicente Leonel Mart nez Diaz & Zaid Garc a Sanchez & Gilberto Gonz lez Garc a & Sandra M. Escorcia & Habid E. Zarate, 2020. "Energy Savings Measures in Compressed Air Systems," International Journal of Energy Economics and Policy, Econjournals, vol. 10(3), pages 414-422.
    3. Nehler, Therese, 2018. "Linking energy efficiency measures in industrial compressed air systems with non-energy benefits – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 89(C), pages 72-87.
    4. Soiket, Md.I.H. & Oni, A.O. & Kumar, A., 2019. "The development of a process simulation model for energy consumption and greenhouse gas emissions of a vapor solvent-based oil sands extraction and recovery process," Energy, Elsevier, vol. 173(C), pages 799-808.
    5. Andrea Trianni & Davide Accordini & Enrico Cagno, 2020. "Identification and Categorization of Factors Affecting the Adoption of Energy Efficiency Measures within Compressed Air Systems," Energies, MDPI, vol. 13(19), pages 1-51, October.
    6. Cabello Eras, Juan José & Sagastume Gutiérrez, Alexis & Sousa Santos, Vladimir & Cabello Ulloa, Mario Javier, 2020. "Energy management of compressed air systems. Assessing the production and use of compressed air in industry," Energy, Elsevier, vol. 213(C).
    7. Luis Marcos Castellanos & Hernan Hernandez-Herrera & Jorge I. Silva-Ortega & Vicente Leonel Mart nez Diaz & Zaid Garc a Sanchez, 2019. "Potential Energy Savings and CO2 Emissions Reduction in Colombia Compressed Air Systems," International Journal of Energy Economics and Policy, Econjournals, vol. 9(6), pages 71-78.
    8. Trianni, Andrea & Cagno, Enrico & Accordini, Davide, 2019. "Energy efficiency measures in electric motors systems: A novel classification highlighting specific implications in their adoption," Applied Energy, Elsevier, vol. 252(C), pages 1-1.

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