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Use Feedwater Economizers for Waste Heat Recovery: Office of Industrial Technologies (OIT) Steam Energy Tips No.3

Description: A feedwater economizer reduces steam boiler fuel requirements by transferring heat from the flue gas to incoming feedwater. Boiler flue gases are often rejected to the stack at temperatures more than 100 F to 150 F higher than the temperature of the generated steam. Generally, boiler efficiency can be increased by 1% for every 40 F reduction in flue gas temperature. By recovering waste heat, an economizer can often reduce fuel requirements by 5% to 10% and pay for itself in less than 2 years. T… more
Date: March 1, 2002
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Partner: UNT Libraries Government Documents Department
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Eliminate Voltage Unbalance

Description: This two-page abstract provides tips for plant managers on checking and monitoring motor voltage unbalance to improve performance and life-span of industrial motors.
Date: January 1, 2000
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Partner: UNT Libraries Government Documents Department
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