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\nthe evaporation station of sugar factories. These
\nproducts are generally water-soluble polymers
\nlike polyacrylates. Their role seems to be the
\nprevention of formation of calcium oxalate
\nscale. However the stability of calcium-acrylate
\ncomplexes and their behaviour after evaporation
\nare not well known.
\nEffects of antiscale on calcium oxalate solu-
\nbility on white sugar turbidity and on sucrose
\ncrystal growth rate were studied. It was demon-
\nstrated that antiscale protects evaporator from
\nabundant calcium oxalate scale formation. Yet,
\nthey delay the problem of oxalate precipitation
\nand cannot prevent turbidity of final sugar. The
\nphenomenon is especially emphasized by de-
\ncrease of temperature which affects both calci-
\num oxalate solubility and antiscale sequestering
\nefficacy.
\nEffect of antiscales on growth rate and on
\nmorphology of sucrose crystals was determined
\nby end-to-end laboratory crystallization and mi-
\ncroboiler pilot methods. It was shown that anti-
\nscales inhibit sucrose crystal growth especially
\nin b crystallographic direction. The inhibition
\nof sucrose clusters formation needed for crystal
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