Concentrator

Concentrator system

• Final concentration of black liquor
• Concentrator unit is falling film type lamella evaporator
• High dry solids of black liquor, 80…85 %
• Ash mixing

Advantages of high dry solids in recovery boiler

• Improved operation of the recovery boiler
• Higher reduction rate in smelt
• Smaller plugging tendency of the recovery boiler
• Lower SO2 emissions in flue gas
• Improved energy economy of the mill

Products:

• <HD Evaporator>