CAJ | 학술논문

主要介绍了在电解精炼中加入电解辅助试剂 QJ -D -1从合质金提取纯金的工艺.在该工艺中加入金电解辅助试剂 QJ -D -1可有效提高电解法精炼黄金所需合质金中银的含量,有效消除了氯化银造成的阳极钝化现象和提高电解效率,同时可使电解液酸度由传统的4~7 mol/L HCl 降低到2 mol/L 以下,电解周期也由传统的48 h 减少到42 h,电解精炼后金纯度可大于99.99%.此工艺减少了试剂的消耗和环境污染,有显著的经济效效益和环境效益.
주요개소료재전해정련중가입전해보조시제 QJ -D -1종합질금제취순금적공예.재해공예중가입금전해보조시제 QJ -D -1가유효제고전해법정련황금소수합질금중은적함량,유효소제료록화은조성적양겁둔화현상화제고전해효솔,동시가사전해액산도유전통적4~7 mol/L HCl 강저도2 mol/L 이하,전해주기야유전통적48 h 감소도42 h,전해정련후금순도가대우99.99%.차공예감소료시제적소모화배경오염,유현저적경제효효익화배경효익.
tion process of pure gold from gold ingots .In this process auxiliary reagent QJ -D -1 can effectively improve silver This article focuses on the addition of auxiliary reagent of QJ -D -1 in the electrolytic refining extrac-content in gold ingots,effectively eliminate the anodic passivation caused by silver chloride and improve the electroly -2 mol/L,and the electrolytic cycle reduce from traditional 48 h to 42 h.The purity of gold after electrolysis refining sis efficiency.It can also make the electrolyte acidity reduce from the traditional 4 -7 mol /L HCl to less than can be greater than 99.99 %.This process reduced reagent consumption and environment pollution ,achieving remark-able economic and environmental benefits .