Preparation method of basic zinc chloride
A technology of zinc chloride and zinc chloride solution, applied in the direction of zinc halide, animal feed, additional food elements, etc., can solve the problems of expensive raw materials, high production cost, environmental pollution of by-products, etc. The effect of low, low content of harmful impurities
Active Publication Date: 2010-05-26
XINGJIA BIO ENG CO LTD
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The invention discloses a preparation method of basic zinc chloride, comprising the following steps of: adding sodium hydroxide or ammonia water into zinc chloride solution with the mol ratio of the sodium hydroxide or ammonia water to zinc chloride solution of 7.5-8.5:5, reacting under the condition that the temperature is 60-105 DEG C and the pH value is 5-9, and obtaining reaction products after the reaction is finished; and washing with water, centrifuging and drying reaction products to obtain the basic zinc chloride. The preparation method is simple and safe in operation, and has the advantages of little waste emission, low production cost and excellent product quality.
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