Sulfate of Potash
Technology Specialist

Sulfate of Potash (SOP) — K₂SO₄

Expert SOP Commissioning, Refractory Dry-out & Mannheim Process Optimization

600°C–650°C
Furnace Temp
≥ 50%–52%
SOP K₂O Content
< 1.0% Cl⁻
Chloride Content
1.2 t/t SOP
HCl Co-product Yield
Process Flow Technology

Interactive SOP Process Flow Diagram

Explore the Sulfate of Potash (SOP) production process via the Mannheim furnace and gaseous HCl absorption system. Click on any process block to inspect technical specifications, parameters, and Kafaah's recommendations.

Sulfate of Potash (SOP) — Process Flow DiagramInteractive PFD illustrating the Mannheim furnace calcination loop, finished solid SOP classification, and gaseous HCl absorption system.STAGE 1: REACTANT PREPARATION & FURNACE COREKCl Silo & Weigh FeederGravimetric solid feedH₂SO₄ Metering Loop98% concentration feedMannheim Muffle FurnaceEndothermic Calcination (~600–650°C)STAGE 2: SOP SOLID FINISHING PATHHot SOP PowderRotary Cooling & NeutralizerSoda ash addition | Acid controlSOP Granule CompactorHigh pressure roll compactionScreening & Classification DeckDouble-deck sizing (2–4mm target)Finished SOP Storage & BaggingPowder / Granular baggingSTAGE 3: HCl RECOVERY SYSTEMHot HCl Gas (~300°C)HCl Gas CoolerGraphite tube cooling (<80°C)Falling Film AbsorberAdiabatic water absorptionYields 32% HCl AcidResidual gasTail Gas ScrubberWater/alkaline polish sprayExhaust Vent StackCEMS telemetry monitoring↑ Click any process node above to view core technical advisory details.

Interactive Optimization Advisor

Click on any process block in the diagram to inspect technical configurations, key parameters, and Kafaah's specialized engineering recommendations.

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