Invention Grant
- Patent Title: Method for removing manganese from nickel laterite waste liquors
- Patent Title (中): 从镍红土废液中除锰的方法
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Application No.: US11679917Application Date: 2007-02-28
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Publication No.: US07641801B2Publication Date: 2010-01-05
- Inventor: Mohamed Buarzaiga , Eric Devuyst , Julian Edwards , Joe Paventi
- Applicant: Mohamed Buarzaiga , Eric Devuyst , Julian Edwards , Joe Paventi
- Applicant Address: CA Toronto
- Assignee: Vale Inco Limited
- Current Assignee: Vale Inco Limited
- Current Assignee Address: CA Toronto
- Agent Edward A. Steen
- Main IPC: C02F1/64
- IPC: C02F1/64
Abstract:
A method and system of removing or decreasing waste liquor manganese concentration to less than about 1 mg/L total manganese without the precipitation of significant amounts of magnesium. The method and system include steps for treating the waste liquor using three separate circuits in which in the first circuit, manganese is reduced, for example, from about 2 g/L to
Public/Granted literature
- US20080203032A1 METHOD FOR REMOVING MANGANESE FROM NICKEL LATERITE WASTE LIQUORS Public/Granted day:2008-08-28
Information query
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