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A single effect evaporator is operating at 1.013x104 Pa. It is required to concentrate 8000 kg/h 10% NaOH at 20C (68F) to 55% NaOH at

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A single effect evaporator is operating at 1.013x104 Pa. It is required to concentrate 8000 kg/h 10% NaOH at 20C (68F) to 55% NaOH at 93C (200F). The boiling temperature of 55% NaOH is 93C. What is the heat transfer rate of this evaporator? (1 Btu/lbm = 2.326 kJ/kg) =

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