1977•AIChE JournalRequires access

Effects of temperature on the crystallization of potassium nitrate by direct measurement of supersaturation

James Everett Helt, Maurice Allen Larson

Abstract

Abstract A laboratory continuous mixed‐suspension, mixed‐product‐removal crystallizer was used to study the effects of temperature on the kinetics of crystallization of potassium nitrate. A differential refractometer was used to continuously monitor the supersaturation permitting the measurement of supersaturation levels of order 10−3Kg solute/Kg water. The nucleation rate exhibited an inverse relationship with temperature.

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Key concepts: Supersaturation, Potassium nitrate, Crystallization, Chemistry, Nucleation, Potassium, Nitrate, Suspension (topology)