Recausticizing: Dual Causticizing Lines
Recausticizing: Dual Causticizing Lines
2 PagesRecausticizing: Dual Causticizing Lines - Hydro-Thermal Corp. HEATER 1 Fluid: Green Liquor Flow Rates: 600-1000 GPM [136-227 m3/hr] Inlet Temperature: 165°F [74°C] Discharge Temperature: 180-185°F [82-85°C] Steam Supply Pressure: 150 PSIG [10.3 barg] HEATER 2 Fluid: Green Liquor Flow Rates: 1200-2400 GPM [273-545 m3/hr] Inlet Temperature: 160°F [71°C] Discharge Temperature: 185°F [85°C]Steam Supply Pressure: 150 PSIG [10.3 barg] A bleached paper and board mill in North Carolina, USA, needed to provide consistent green liquor temperature to two causticizing lines in the recovery process. The mill operates two causticizing and lime kiln lines and heats green liquor to each line. Precise temperature control of the green liquor to the slaker is crucial to a smooth operation. SOLUTION Hydro-
