从氧化铜矿氨浸出液中萃取铜的研究.pdf

V01．34No．3 第34卷第3期 昆明理工大学学报(理工版)http：llw咖,．kmtjournal．com／ ofsf．ienceand and 2009年6月Journalof University Jun．2009 Kunming Te,·hnoh)gy(srien(‘eTe,’hnology) doi：10．3969／j．issn．1007—855x．2009．03．004 A on ExtractionfromAmmoniac Copper Study LeachSolutionof OxidizedOre Copper FANG U Wen·binl Jian．junl，LIYi—fen2，LIDian—wenl，ZHANG ofScienceand ofLandResource University Technology，Kunming650093，China； (1．Faculty Engineering，Kunming 6541 2．YunnanJinsha 00，China) MiningCo。Ltd。Kunming LIX一84一Iis for extractionfromacidicleachsolution Abstract：Theextractant originallyproducedcopper of of oxidized this isused fortheextraction fromall copper 011皓．In study，however，itsuccessfully copper ammoniacleach this hasfuitherbeen indi— solution，and industrialized．Laboratoryinvestigations technology efficient withamaximumextractionofas as99．9％ carethatLIX84一IiS an extractant really copper high of Cuinleach ratio I．5 3win undertheconditions3g／L solution，pH4．22，phaseI／I，NH3moVL，and mixtures．Itisfoundthatinordertoeusnreasmoothextraction is thatthecon- plant