Chemical plant for potassium sulphate

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6 Terms

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1) Feed chemicals

KOH
H2SO4 (50 wt% each)

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2) Reactor

60 degrees, 1 bar, mixing & agitation
Agitators mix reactants, control temperature, accelerate mass & heat transfer
Brick-lined, made with refractory materials

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3) Evaporator

Solution concentrated, helps with crystallisation, purification, temperature control

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4) Crystalliser

Supersaturation, nucleation, crystal growth

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5) Centrifuge

Separate solid crystals from remaining solution
Purification - quickly removes liquid phase containing impurities/ unreacted materials

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6) Dryer

Remove any remaining moisture from crystals
Ensures proper drying to produce free-flowing solid powder
Energy recovery systems cut fossil fuel/ steam usage