| abstract |
The present invention relates to a method for producing a lithium compound, comprising the steps of preparing a solid phase lithium phosphate in a solvent as a slurry state, reacting the lithium phosphate with sulfuric acid to convert the lithium phosphate to lithium sulfate, , Washing the separated solid phase lithium sulfate, and washing water used in the washing step as a solvent for preparing the solid phosphoric acid lithium in a slurry state in a solvent do. |