Hello. Sorry. I need an answer within 30 to 20 minutes. Please.
Q5: Make an energy balance on the carbonator (reactor below) to find the quantity of cooling water needed in this reaction. Hint: take the reference temperature as 25°C.
Physical properties of components:
Component Hgs (kJ/mol) Mw (kg/kmol)
CO2 0.844 44
H2O 4.2 18
Na2CO3 1.14 106
NaHCO3 1.04 84
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CO2 = 21.16 (kg/h)
H2O = 398.69 (kg/h)
Na2CO3 = 1312.37 (kg/h)
T = 25°C
H2O = 1233.72 (kg/h)
Na2CO3 = 383.44 (kg/h)
T = 25°C
Na2CO3 + H2O + CO2 = 2NaHCO3
Q276345 (kJ/ Cooling water
Tin = 5°C
Tout = 15°C
Water (Qcei)
CO2 = 166.63 (kg/h)
H2O = 398.69 (kg/h)
Na2CO3 = 1312.37 kg/h
T = 25°C
H2O = 1174.21 kg/h
Na2CO3 = 32.98 (kg/h)
NaHCO3 = 555.44 (kg/h)
T = 30°C