Xylitol is widely used in the medicine and food trade. One of its production methods is fermentation that has favorable foreground. But the product's separation and purification were not settled well. The thesis aims at this problem.
Thermodynamics of xylitol crystallization is researched first. After studying the relationship between xylitol solubility with temperature, solvent's ingredients, impurities and pH', xylitol crystallization method that conjoins the cooling method and solventing-out m...