Research on Technological Innovation of Food-grade Titanium Dioxide
Food-grade titanium dioxide is often used as a food whitening agent,and its main role is to improve the gloss and whiteness of food.Food-grade titanium dioxide has strict requirements for heavy metals and impurities,and it is necessary to make targeted changes on the basis of the existing rutile titanium dioxide production process.In this paper,the technological innovation of food-grade titanium dioxide was studied from the processes of ore blending,secondary washing,sand grinding and drying,and the technological improvement path of food-grade titanium dioxide was discussed.
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