公开(公告)号：US20140369906A1

公开(公告)日：2014-12-18

申请号：US14374526

申请日：2013-01-25

Applicant: Evonik Degussa GmbH

Inventor： Gerhard Arnold ,  Terry Brown ,  Ingo Hamann ,  Alan Hitchiner

IPC: B03D1/02

CPC classification number: B03D1/02 ,  B03D1/002 ,  B03D1/0043 ,  B03D1/012 ,  B03D1/014 ,  B03D2201/007 ,  B03D2201/02 ,  B03D2201/04 ,  B03D2203/02 ,  B03D2203/025

Abstract: The present invention is directed to methods that can be used in the enrichment of metal sulfide ores in desired minerals in cases where the ores have sulfide-containing gangues. The method involves adding an oxidant to slurries prepared from the ores during, or immediately prior to froth flotation.

Abstract translation: 本发明涉及在矿石中含有硫化物的g石的情况下可用于富集所需矿物中金属硫化物矿石的方法。 该方法包括在泡沫浮选过程中或在泡沫浮选前即刻从矿石中制备的浆料中加入氧化剂。

公开(公告)号：US10413914B2

公开(公告)日：2019-09-17

申请号：US14374526

申请日：2013-01-25

Applicant: Evonik Degussa GmbH

Inventor： Gerhard Arnold ,  Terry Brown ,  Ingo Hamann ,  Alan Hitchiner

IPC: B03D1/02 ,  B03D1/002 ,  B03D1/012 ,  B03D1/014 ,  B03D1/004

Abstract: The present invention is directed to methods that can be used in the enrichment of metal sulfide ores in desired minerals in cases where the ores have sulfide-containing gangues. The method involves adding an oxidant to slurries prepared from the ores during, or immediately prior to froth flotation.

公开(公告)号：US20160144381A1

公开(公告)日：2016-05-26

申请号：US14904696

申请日：2014-07-11

Applicant: Christopher GREET ,  Gerhard ARNOLD ,  Ingo HAMANN ,  Alan HITCHINER ,  EVONIK DEGUSSA GMBH

Inventor： Christopher Greet ,  Gerhard Arnold ,  Ingo Hamann ,  Alan Hitchiner

IPC: B03D1/02 ,  C22B1/00 ,  C22B15/00 ,  C22B3/12 ,  C22C37/06 ,  C22B3/00

CPC classification number: B03D1/025 ,  B03D1/085 ,  B03D2201/007 ,  B03D2201/02 ,  B03D2203/02 ,  C22B1/005 ,  C22B3/12 ,  C22B11/04 ,  C22B15/0008 ,  C22B15/008 ,  C22C37/06

Abstract: In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to 35% by weight is combined with an addition of hydrogen peroxide to the conditioned mineral pulp before or during flotation in order to improve concentrate grade and recovery of copper sulfides.

Abstract translation: 在通过从含有硫化铁的矿石中进行泡沫浮选回收硫化铜浓缩物的方法中，用铬含量为10〜35重量％的高铬铸铁合金的研磨介质对矿石进行湿法研磨与 在浮选之前或期间向调节的矿浆中加入过氧化氢，以提高硫化铜的浓缩物级和回收率。