公开(公告)号：US3922164A

公开(公告)日：1975-11-25

申请号：US43623874

申请日：1974-01-24

Applicant: COMMW SCIENT IND RES ORG

Inventor： REID ALLEN FORREST ,  SINHA HARI NARAYAN

IPC: C22B34/12 ,  C22B3/00

CPC classification number: C22B34/1213

Abstract: An ilmenite up-grading process characterised by the step of leaching the ilmenite with a hydrochloric acid solution containing at least 10% by weight of HCl and at least 5% by weight of one or more soluble chlorides. Particularly suitable soluble chlorides include ferrous chloride, manganese chloride, magnesium chloride, nickel chloride, calcium chloride and ammonium chloride.

Abstract translation: 一种钛铁矿升级方法，其特征在于用含有至少10重量％的HCl和至少5重量％的一种或多种可溶性氯化物的盐酸溶液浸提钛铁矿的步骤。 特别合适的可溶性氯化物包括氯化亚铁，氯化锰，氯化镁，氯化镍，氯化钙和氯化铵。

公开(公告)号：US3597189A

公开(公告)日：1971-08-03

申请号：US3597189D

申请日：1968-04-22

Applicant: COMMW SCIENT IND RES ORG

Inventor： SINHA HARI NARAYAN ,  WAUGH DAVID MCBRIDE

IPC: C01G23/02 ,  C22B34/12 ,  C22B1/00

CPC classification number: C22B34/1204 ,  C01G23/02 ,  Y02P10/212

Abstract: PROCESS FOR THE BENEFICIATION OF TITANIFEROUS ORES WHEREIN THE NATURAL ORE IS OXIDIZED TO CONVERT SUBSTANTIALLY ALL OF THE IRON VALUES PRESENT TO THE FERRIC STATE AND THE OXIDIZED ORE IS THEN DEOXIDIZED TO CONVERT SUBSTANTIALLY ALL OF THE IRON VALUES THERIN TO THE FERROUS STATE AND THE PRODUCT IN WHICH SUBSTANTIALLY ALL OF THE IRON VALUES THEREIN ARE IN THE FERROUS STATE CONTAINING NOT MORE THAN 20% OF THE METALLIC IRON.