Process for producing potassium sulfate

Details Process for producing potassium sulfate Process for producing potassium sulfate

C - Chemistry, Metallurgy

01

D

23/99

C01D 5/02 (2006.01)

Patent

CA 1169630

Abstract of the Disclosure A process for producing K2SO4 by reacting KC? with H2SO4 is provided wherein 2.0 - 2.2 mols of KC? are reacted with one mol of H2SO4 with stirring at room temperature to 100°C, and the resulting KHSO4 is reacted with unreacted KC? at 300° - 400°C. Muffle furnace is suitable as the reactor of the second step. According to this two-step process, reaction can be carried out at lower temperature and in shorter time, and a long time continuous operation is possible.

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