| 摘要 |
A method for preparing potassium sulphate and zinc chloride from zinc sulfate and potassium chloride is provided to secure high purity products in an economical way. A method for preparing potassium sulphate and zinc chloride comprises the following steps of: dissolving zinc sulfate and potassium chloride in water and heating and concentrating the mixture to prepare a paste; mixing the paste and low alcohol in order to induce double decomposition; and reacting to the paste in the low alcohol and filtering the obtained material in order to separate it into zinc chloride and potassium sulphate. The low alcohol represents methanol or ethanol.
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