发明申请
WO2015131266A1 THE PRODUCTION OF HIGH-GRADE SYNTHETIC RUTILE FROM LOW-GRADE TITANIUM-BEARING ORES
审中-公开
基本信息:
- 专利标题: THE PRODUCTION OF HIGH-GRADE SYNTHETIC RUTILE FROM LOW-GRADE TITANIUM-BEARING ORES
- 专利标题(中):从低等级钛合金轴承生产高级合成织物
- 申请号:PCT/CA2015/000128 申请日:2015-02-27
- 公开(公告)号:WO2015131266A1 公开(公告)日:2015-09-11
- 发明人: KAMALEDDINE, Fouad F.
- 申请人: KAMALEDDINE, Fouad F.
- 申请人地址: 3 Pitcairn Crescent Toronto, M4A 1P5 CA
- 专利权人: KAMALEDDINE, Fouad F.
- 当前专利权人: KAMALEDDINE, Fouad F.
- 当前专利权人地址: 3 Pitcairn Crescent Toronto, M4A 1P5 CA
- 代理机构: RICHES, MCKENZIE & HERBERT LLP
- 优先权: US61/948,319 20140305
- 主分类号: C22B3/10
- IPC分类号: C22B3/10 ; B01D3/00 ; C01B7/07 ; C22B3/22 ; C01G23/047 ; C22B34/12
摘要:
The present invention relates, first, to a two-stage leaching process using concentrated hydrochloric acid wherein ground ore is leached with two separate quantities of hydrochloric acid at different temperatures. Second, the invention relates to a one-step leaching process using concentrated HCl and a fixed acid to ore ratio to prevent hydrolysis of titanium. Afterwards the dissolved titanium is precipitated from the filter liquor by hydrolysis and the still soluble iron chlorides are then optionally subjected to oxyhydrolysis to recover iron oxide and HCl. The process was developed for low-grade ores (under 12% Ti02), and can naturally be applied advantageously to higher grade titanium-bearing ores, that upgrades a variety of inferior quality titanium-iron ores into premium titanium concentrate and iron oxide products.
摘要(中):
本发明首先涉及使用浓盐酸的两级浸提方法,其中在不同温度下用两种分开的盐酸浸出研磨的矿石。 第二,本发明涉及使用浓HCl和固定的酸与矿石比例的一步浸出方法以防止钛的水解。 然后,溶解的钛通过水解从过滤液中沉淀出来,然后任选地将可溶性氯化铁进行羟水解以回收氧化铁和HCl。 该方法是针对低品位矿石(12%以下的二氧化钛)开发的,可以有利地应用于高品位的含钛矿石,将各种劣质钛铁矿石升级为优质钛精矿和氧化铁产品。
IPC结构图谱:
C | 化学;冶金 |
--C22 | 冶金(铁的冶金入C21);黑色或有色金属合金;合金或有色金属的处理 |
----C22B | 金属的生产或精炼;原材料的预处理 |
------C22B3/00 | 用湿法从矿石或精矿中提取金属化合物 |
--------C22B3/04 | .通过浸取 |
----------C22B3/06 | ..在无机酸溶液中 |
------------C22B3/10 | ...盐酸 |