(Answered) Sweetened condensed milk is pumped through a plate cooler

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Sweetened condensed milk is pumped through a plate cooler after batch pasteurization. The milk enters the cooler at 74°C and exits at 4°C, and is pumped at a rate of 200 kg/h. What quantity of heat needs to be removed by the cooling medium in 8 hours of processing?

(Cp above freezing =1.742 kJ/kg°C; Cp below freezing = 1.176 kJ/kg°C; latent heat = 90.06 kJ/kg)

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