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1. 发明公开

EP2716775A4 OBTAINING A FERRIC NITRATE REAGENT IN SITU FROM A COPPER RAFFINATE SOLUTION IN A HYDROMETALLURGICAL COPPER PROCESS 审中-公开
标题翻译： EISENNITRATREAGENZ的原位收集从KUPFERRAFFINATLÖSUNG在加氢冶金铜加工
公开(公告)号：EP2716775A4
公开(公告)日：2015-03-11
申请号：EP12793331
申请日：2012-05-03
申请人： LIXIVIA LTDA
发明人： CARTAGENA FAGERSTEÖM ALEJANDRO , HECKER CARTES CHRISTIAN
IPC分类号： C22B15/00 , C22B3/06
CPC分类号： C22B15/0065 , C01G49/00 , Y02P10/236
摘要： The invention relates to a process for producing a chemical reagent that is soluble in neutral waters, acid waters and in process solutions, in order to aid and improve the oxidation and leaching of cooper sulfides. The process comprises the following steps: diverting part of an aqueous current form a process solution; concentrating the iron (II) from said current, oxidizing same to form a ferrous nitrate solution having high redox potential, and storing the latter to measure out the amount needed for the leaching process. The system for preparing the reagent includes the following; concentrating an aqueous solution, oxidizing same and transforming the ferrous sulfate into ferrous nitrate, containing the concentrated ferrous nitrate, distributing and measuring out the reagent in the current fed to the leaching pond. The reagent, wich includes ferrous nitrate, is incorporated in the irrigation of copper sulfide leaching basins.

2. 发明公开

EP2716775A1 OBTAINING A FERRIC NITRATE REAGENT IN SITU FROM A COPPER RAFFINATE SOLUTION IN A HYDROMETALLURGICAL COPPER PROCESS 审中-公开
标题翻译： GEWINNUNG EINES EISENNITRATREAGENZ IN SITU AUS EINERKUPFERRAFFINATLÖSUNGIN EINEM HYDROMETALLURGISCHEN KUPFERVERARBEITUNGSVERFAHREN
公开(公告)号：EP2716775A1
公开(公告)日：2014-04-09
申请号：EP12793331.5
申请日：2012-05-03
申请人： Lixivia Ltda.
发明人： CARTAGENA FAGERSTEÖM, Alejandro , HECKER CARTES, Christian
IPC分类号： C22B15/00 , C22B3/06
CPC分类号： C22B15/0065 , C01G49/00 , Y02P10/236
摘要： The invention relates to a process for producing a chemical reagent that is soluble in neutral waters, acid waters and in process solutions, in order to aid and improve the oxidation and leaching of cooper sulfides. The process comprises the following steps: diverting part of an aqueous current form a process solution; concentrating the iron (II) from said current, oxidizing same to form a ferrous nitrate solution having high redox potential, and storing the latter to measure out the amount needed for the leaching process. The system for preparing the reagent includes the following; concentrating an aqueous solution, oxidizing same and transforming the ferrous sulfate into ferrous nitrate, containing the concentrated ferrous nitrate, distributing and measuring out the reagent in the current fed to the leaching pond. The reagent, wich includes ferrous nitrate, is incorporated in the irrigation of copper sulfide leaching basins.
摘要翻译：本发明涉及一种生产可溶于中性水，酸性水和工艺溶液的化学试剂的方法，以帮助和改进铜硫化物的氧化和浸出。该方法包括以下步骤：将一部分水电流转向处理溶液; 将铁（II）从所述电流中浓缩，进行氧化，形成具有高氧化还原电位的硝酸亚铁溶液，并储存后者以测量浸出过程所需的量。制剂的制备方法如下：浓缩水溶液，对其进行氧化，并将硫酸亚铁转化为含有浓硝酸亚铁的硝酸亚铁，分配和测量当前加入到浸出池中的试剂。包括硝酸亚铁在内的试剂被并入硫化铜浸出盆地的灌溉中。

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