Development and application for waste materials of enhanced leaching of nickel with transition metal complex as a catalyst

过渡金属配合物催化剂强化浸出废镍的开发及应用

• 批准号: 07555224
• 负责人: TOKUDA Masanori
• 金额: $ 13.5万
• 依托单位: Tohoku University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1997
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07555224/
• 关键词: leaching; enhanced dissolution; nickel; waste materials; metal complex; nitric solution; 加水分解; 高速; Kinetics; nitric acid; nitric iron solution; leaching; nydrothermal leaching; waste material; nydrothermal treatmenl; nydrothermal reaction

Recently, the recycling of metal containing used products is recognized to be important issue from the view point of an effective utilization of resources and an environmental harmony. The development of recycling processes of rare metals is highly demanded. In this project, a leaching process of enhanced dissolution of metals in the transition metal complex solution has been constracted. The nitric iron solution was specially used as an electron transfer mediator. The dissolution rate of metallic nickel plate in aqueous nitric iron solutions was studied at rotation speed of 0-3000 rpm and the temperature of 10-105 degree C.It was found that, among various factors that affect the dissolution rate, Fe (III) concentrationplays most important role. The dissolution rate of nickel significantly increased with an increase in the temperature and in Fe (III) concentration. With an optimum iron concentration, it was about twenty-forth times larger than that of nitricacid without iron. The practical application of this process to the treatment of batteries, used catalyst, etc. showed successful result with very high leaching rate.

近年来，从资源的有效利用和环境和谐的观点来看，含金属的旧产品的回收被认为是重要的问题。对稀有金属回收工艺的发展提出了很高的要求。本课题研究了在过渡金属络合物溶液中强化金属溶解的浸出工艺。硝酸铁溶液专门用作电子传递介体。在转速0-3000 rpm、温度10-105 ℃条件下，研究了金属镍在硝酸铁溶液中的溶解速率，发现在影响溶解速率的各种因素中，Fe（III）浓度起着最重要的作用。镍的溶解速率随温度和Fe（III）浓度的增加而显著增加。在最佳铁浓度下，它比不含铁的硝酸大约24倍。该工艺在处理电池、废催化剂等方面的实际应用表明，效果良好，浸出率很高。

项目成果

S.Uchida: "The Kinetics of Dissolution of Copper in Aqueous Cupric Amine Solutions" ISIJ International. 36号. 522-527 (1996)

S. Uchida：“铜在铜胺水溶液中的溶解动力学”ISIJ International，第 36. 522-527 号（1996 年）。

S.Uchida: "The Kinetics of Copper In Aqueous Copric Amine Solutions" ISU International. 36号. 522-527 (1996)

S. Uchida：“铜胺水溶液中铜的动力学”ISU International 第 36 期。522-527 (1996)。

S.Uchida, M.Uchida, Y.Umetsu and A.Okuwaki: ""The Eh-pH Diagram for N-H2O System at 623K Calculated by the Revised HKF Equation"" Nihon Kagaku Kai Shi. 8. 734-741 (1996)

S.Uchida、M.Uchida、Y.Umetsu 和 A.Okuwaki：“通过修订的 HKF 方程计算的 623K 时 N-H2O 系统的 Eh-pH 图”Nihon Kagaku Kai Shi。

S.Uchida, I.Takemura, K.Osseo-Assare, M.Tokuda: ""The Kinetics of Dissolution of Copper in Aqueous Cupric Amine Solutions"" ISIJ International. 36 (5). 522-527 (1996)

S.Uchida、I.Takemura、K.Osseo-Assare、M.Tokuda：“铜在铜胺水溶液中的溶解动力学”ISIJ International。

内田 聡: "拡張HKF式に基づく350℃におけるN-H_2O系電位-pH図" 日本化学会誌. 8号. 734-741 (1996)

Satoshi Uchida：“基于扩展 HKF 方程的 350℃ 下的 N-H_2O 系统电势-pH 图”日本化学会志第 8. 734-741 号（1996）。