Invention Grant
US09175366B2 Systems and methods for improved metal recovery using ammonia leaching
有权
使用氨浸出改善金属回收的系统和方法
- Patent Title: Systems and methods for improved metal recovery using ammonia leaching
- Patent Title (中): 使用氨浸出改善金属回收的系统和方法
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Application No.: US13804053Application Date: 2013-03-14
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Publication No.: US09175366B2Publication Date: 2015-11-03
- Inventor: Joanna M Robertson , Thomas R Bolles , Dennis D Gertenbach
- Applicant: FREEPORT-MCMORAN CORPORATION
- Applicant Address: US AZ Phoenix
- Assignee: FREEPORT MINERALS CORPORATION
- Current Assignee: FREEPORT MINERALS CORPORATION
- Current Assignee Address: US AZ Phoenix
- Agency: Snell & Wilmer L.L.P.
- Main IPC: C22B3/14
- IPC: C22B3/14 ; C22B3/44 ; C22B15/00 ; C22B23/00 ; C22B3/00
Abstract:
Systems and methods for basic leaching are provided. In various embodiments, a method is provided comprising leaching a slurry comprising a copper bearing material and a leach medium comprising ammonia and ammonium carbonate, adding copper powder to the slurry, separating the slurry into a pregnant leach solution and solids, and performing a solvent extraction on the pregnant leach solution to produce an loaded aqueous stream.
Public/Granted literature
- US20140260807A1 SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING Public/Granted day:2014-09-18
Information query
