Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 27 Feb 2018 My Price 5.00

natural gas-fired boiler

In a dairy plant, milk at 4°C is pasteurized continuously at 72°C at a rate of 12 L/s for 24 hours a day and 365 days a year. The milk is heated to the pasteurizing temperature by hot water heated in a natural gas-fired boiler that has an efficiency of 82 percent. The pasteurized milk is then cooled by cold water at 18°C before it is finally refrigerated back to 4°C. To save energy and money, the plant installs a regenerator that has an effectiveness of 82 percent. If the cost of natural gas is $1.05/therm (1 therm = 105,500 kJ), determine how much fuel and money the regenerator will save this company per year.

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Maurice Tutor
(5)
Status NEW Posted 27 Feb 2018 10:02 PM My Price 5.00

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