Invention Grant
US09346062B2 Separation of copper minerals from pyrite using air-metabisulfite treatment
有权
使用空气 - 偏亚硫酸氢盐处理分离铜矿物与黄铁矿
- Patent Title: Separation of copper minerals from pyrite using air-metabisulfite treatment
- Patent Title (中): 使用空气 - 偏亚硫酸氢盐处理分离铜矿物与黄铁矿
-
Application No.: US12960041Application Date: 2010-12-03
-
Publication No.: US09346062B2Publication Date: 2016-05-24
- Inventor: Barun Gorain
- Applicant: Barun Gorain
- Applicant Address: CA Toronto
- Assignee: Barrick Gold Corporation
- Current Assignee: Barrick Gold Corporation
- Current Assignee Address: CA Toronto
- Agency: Sheridan Ross P.C.
- Main IPC: B03D1/14
- IPC: B03D1/14 ; B03D1/00 ; C02F1/24 ; C22B1/00 ; C22B15/00 ; B03D1/08 ; B03D1/002 ; B03B5/60 ; B03B5/64 ; B01D1/00 ; C21B15/00
Abstract:
The present invention relates to flotation of sulfidic copper- molybdenum- and gold-containing minerals. More specifically, the invention relates to sulfoxy reagent-assisted flotation for separating of sulfides of copper, molybdenum and gold from pyrite, marcasite, pyrrhotite, arsenopyrite, and other gangue minerals following aerating by an oxidizing gas and contacting by a sulfoxy reagent. To promote collection and flotation the feed mineral materials are preferably not contacted with an externally generated non-oxidizing gas to lower the dissolved molecular oxygen content prior to flotation.
Public/Granted literature
- US20110155651A1 SEPARATION OF COPPER MINERALS FROM PYRITE USING AIR-METABISULFITE TREATMENT Public/Granted day:2011-06-30
Information query
