PROCESS OF RECOVERY OF BASE METALS FROM OXIDE ORES
关于老挝专利「PROCESS OF RECOVERY OF BASE METALS FROM OXIDE ORES」，老商通整理了如下公开信息，由 VALE S.A. 于 2010-07-14 提交申请，当前状态为已放弃。标识字段包括：申请号 P/180；DIP 编号 LAP180；主管局代码 LA；保护类型 Patent - PCT National Phase。时间线要点：公开/公告日 2025-09-19。国际分类 / IPC 标注为 C22B 23/00、C22B 3/10。发明人 / 设计人包括 Antonio Clareti Pereti、Tiago Valentim Berni。代理机构 / 代理人记载为 Lao Trademark Agency。公开摘要提示：Attorney Docket No.: 024031-00075。
P/180
图样
基础信息
- 类型
- 专利
- 申请号
P/180- 状态
- 已放弃
- 申请人
- VALE S.A.
- 代理机构
- Lao Trademark Agency
- 申请日期
- 2010-07-14
- 公开 / 公告日
- 2025-09-19
- 保护类型
- Patent - PCT National Phase
- 申请人地址
- VALE S.A. · Avenida Graca Aranha, n 26 Centro-Rio de Janeiro-RJ 20030-000 · BR
- 代理地址
- Lao Trademark Agency · 148-149 Ban Sisavath Kang, Unit 16 Chanthabury District, P.O. Box: 925, Vientiane · LA
- 国际分类
- C22B 23/00 · C22B 3/10
- 商品 / 服务
- —
办理流程
根据当前状态动态标注-
提交申请
-
形式审查 未通过 / 终止
-
实质审查
-
公开
-
授权
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摘要
Attorney Docket No.: 024031-00075
New Non-Provisional Patent Application
ABSTRACT
A nnethod for recovering base metal values from oxide ore is provided,
where the ore includes a first group metal selected from iron, magnesium and
aluminum and a second group metal selected from nickel, cobalt and copper.
The method includes reducing ore particle size to suit the latter unit operations,
favoring contact of the metal elements, contacting the ore with ferric or ferrous
chloride, hydrated or anhydrous, to produce a mix of ore and iron(ll or Ml)
chloride, subjecting the mixture of the ore and ferric or ferrous chloride to
enough energy to decompose the chlorides into hydrochloric acid and a iron
oxide, contacting the readily-formed hydrochloric acid with the base metal
oxides from the second group, forming their respective chlorides, selectively
dissolve the produced base metal chlorides, leaving the metals as oxides and in
the solid state, and recovering the dissolved base metal values from aqueous
solution.
Attorney Docket No.: 024031-00075
New Non-Provisional Patent Application
ABSTRACT
A nnethod for recovering base metal values from oxide ore is provided,
where the ore includes a first group metal selected from iron, magnesium and
aluminum and a second group metal selected from nickel, cobalt and copper.
The method includes reducing ore particle size to suit the latter unit operations,
favoring contact of the metal elements, contacting the ore with ferric or ferrous
chloride, hydrated or anhydrous, to produce a mix of ore and iron(ll or Ml)
chloride, subjecting the mixture of the ore and ferric or ferrous chloride to
enough energy to decompose the chlorides into hydrochloric acid and a iron
oxide, contacting the readily-formed hydrochloric acid with the base metal
oxides from the second group, forming their respective chlorides, selectively
dissolve the produced base metal chlorides, leaving the metals as oxides and in
the solid state, and recovering the dissolved base metal values from aqueous
solution.
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