Question: Problem # 1: A single effect evaporator is to be designed at the following operating conditions: Boiling point temperature, Tb of 75C Brine rejection temperature,

$Problem \# 1: A single effect evaporator is to be designed$

Problem \# 1: A single effect evaporator is to be designed at the following operating conditions: Boiling point temperature, Tb of 75C Brine rejection temperature, Xb=75000 ppm Intake sea water salinity, Xf=45000ppm Intake sea water temperature, Tcw=28C Steam temperature, Ts=95C System capacity, Md=1kg/s Feed sea water temperature, Tf=70C BPE =1.1C Ue=2.5kJ/m2.C,Uc=2.0kJ/m2.C hfg for evaporator: 2324kJ/kg - hfg for condenser: 2260kJ/kg Calculate the followings: 1. Draw the system schematically 2. Steam flow rate, ms 3. Qe 4. QC 5. Ae 6. Ac 7. PR 8. Cooling water flow rate Problem \# 1: A single effect evaporator is to be designed at the following operating conditions: Boiling point temperature, Tb of 75C Brine rejection temperature, Xb=75000 ppm Intake sea water salinity, Xf=45000ppm Intake sea water temperature, Tcw=28C Steam temperature, Ts=95C System capacity, Md=1kg/s Feed sea water temperature, Tf=70C BPE =1.1C Ue=2.5kJ/m2.C,Uc=2.0kJ/m2.C hfg for evaporator: 2324kJ/kg - hfg for condenser: 2260kJ/kg Calculate the followings: 1. Draw the system schematically 2. Steam flow rate, ms 3. Qe 4. QC 5. Ae 6. Ac 7. PR 8. Cooling water flow rate

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