Copper refining procedure to reduce copper oxide to metallic copper (Machine-translation by Google Translate, not legally binding)

摘要

Copper refining process for reducing copper oxide to metallic copper comprising the preparation of a reaction mixture containing as active components carbon, copper oxide and a metal chloride selected from alkali metal chlorides and alkaline earth metal chlorides , heating the reaction mixture at an elevated temperature for a time sufficient to react the active components and reduce the copper oxide to metallic copper, characterized in that the said reaction mixture comprises copper chloride and/or Copper oxychloride. (Machine-translation by Google Translate, not legally binding)