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Crystal Growth Modifiers

Solvay CYQUEST® family of crystal growth modifiers (CGM) is a surface active agent designed to improve agglomeration of hydrate particles, and helps to deliver more consistent control of the size distribution of the product from precipitation.

Our crystal growth modifiers also assist to stabilize dissolve sodium oxalate in liquor, reducing the occasions of oxalate rain. Solvay CGMs can also change the morphology of the sodium oxalate to give larger crystals in the shape of balls or large needles. This can be a benefit in some classification circuits, facilitating the separation of the precipitated oxalate from the alumina trihydrate. CYQUEST CGM family also has defoaming properties and will act both as a defoamer and a CGM.