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boiler:smelt_system:dissolving_tank

Dissolving Tank

Liquid Temperature in the tank: 95 – 98 oC *Andritz
Liquid Temperature in the tank: 194 – 207 oF *Valmet

Too low temp = risk of pirssonite forming (crystallization)
Too high temp = too many gasses formed

Green liquor density: 1.13 – 1.18 kg/l
Unburnt carbon in dregs: 100 – 500 mg/l
Dregs total: 1000 – 1500 mg/l

Normal operating level: 50% +/- 15% *Andritz
Retention time: >25 minutes *B&W

boiler/smelt_system/dissolving_tank.txt · Last modified: 2020/04/06 19:44 by fornax

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