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» Learn More reduction furnace antimony. Read more. antimony ore flotation process production line. Flotation study on lowgrade antimony ore of qilla abdullah antimony ores need processing for an increase in metallic grade as well as reduction of 2Government Islamia College, Civil Lines, Lahore, Pakistan. Abstract.Lead: Secondary Lead Smelter eTool - Definitions,Blast furnace - Blast furnaces are reduction furnaces that produce hard or antimonial lead containing about 10% antimony. Pretreated scrap metal, rerun slag, scrap iron coke, recycled dross, flue dust, and limestone are used as charge materials to the blast furnace.US1950387A - Slag formation and reduction in lead,,In addition, many of these impurities appreciably interfere with desilverization and arsenic, tin and antimony are probably the most troublesome in this respect. For their removal the impure bullion is charged to a softening furnace whereby oxidation these elements form drosses or slags and, with some lead, are skimmed from the bath.