首页>
外国专利>
PROCESS FOR THE OXIDATION OF WASTE GREEN VITRIOL BY NITROGEN COMPOUNDS IN MEDIUM OF AMMONIA CONNECTED WITH PRODUCTION WITH TECHNICAL UTILIZABLE IRON OXIDES AND AMMONIUM SULPHATE EVENTUALLY AMINOCOMPOUNDS
PROCESS FOR THE OXIDATION OF WASTE GREEN VITRIOL BY NITROGEN COMPOUNDS IN MEDIUM OF AMMONIA CONNECTED WITH PRODUCTION WITH TECHNICAL UTILIZABLE IRON OXIDES AND AMMONIUM SULPHATE EVENTUALLY AMINOCOMPOUNDS