Question: A single effect evaporator operates at 1 3 k N m 2 . What will be the heating surface necessary to concentrate 1 . 2

A single effect evaporator operates at 13kNm2. What will be the heating surface necessary to concentrate 1.25kgs of 10% caustic soda to 41%, assuming a value for overall coefficient of 1.25kWm2.K, using steam at 390K? The heating surface is 1.2m below the liquid level.
B B.P.R =30K.
Feed temperature =291K.
D Specific heat of feed =4kJkg. K.
A single effect evaporator operates at 13kNm2. What will be the

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