Table 4 Evaporator design parameters obtained from a WinGEMS simulation of a seven-effect evaporator using initial conditions of measured wastewater parameters
Parameter | Unit | Value |
|---|---|---|
Input | ||
Influent flow rate, Q | L/h | 340,000 |
Influent temperature, Qtemp | °C | 80 |
Influent fraction solids, Xin | – | 0.085 |
Steam pressure, Spress | bar | 4.4 |
Steam temperature, Stemp | °C | 115 |
Output | ||
Steam demand, Sin | kg/h | 55,200 |
Evaporator area, SA | m2 | 2500 |
Effluent fraction solids, Xout | – | 0.61 |
Effluent pressure, Pout | bar | 0.28 |
Capacity, C | kg/h | 295,000 |
Economy, E | kg/kg | 5.34 |
Syrup flow rate, Qsyrup | L/h | 47,700 |
Condensate flow rate, Qout | L/h | 292,000 |