Shigen-to-Sozai
Online ISSN : 1880-6244
Print ISSN : 0916-1740
ISSN-L : 0916-1740
Technical Report
Co-Generation System in Kori Mine
Akira TADAKAWA
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JOURNAL FREE ACCESS

2006 Volume 122 Issue 12 Pages 646-649

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Abstract

For one method of a cost reduction, we focused on the electricity cost, which had a high ratio in our total cost,. We have introduced ‘Co-generation System by ESCO’ , which aimed to utilized the unused waste heat of generator for the support of dryer in our plants effectively.
By the introduction of this system, our electricity cost in 2004 reduced approximately 17.4% and our fuel cost by approximately 1.6% in our plants by the way of waste heat recovery.
Also, we have reduced the fuel cost by 100% in our plants' dryer since August, 2005.
The introduction of “Co-generation System” has brought benefits for us.

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© 2006 by The Mining and Materials Processing Institute of Japan
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