Snow Removal Agent and Preparation Method Thereof

摘要

Disclosed is a preparation method of a snow removal agent comprising: a crushing step of crushing halite using a crusher; an aging step of aging the crushed halite; a first mixing step of mixing the aged halite with magnesium chloride in a stirring machine and stirring the mixture; and a second mixing step of adding sodium tripolyphosphate, sodium metasilicate and urea and stirring the resultant mixture. The snow removal agent prepared by the present invention is not hardened even when stored for a long period of time and is environment-friendly with no negative effects to plants, fish and shellfish.