Title (en)

BACTERIAL BENEFICIATION OF MINERALS.

Title (de)

BAKTERIELLE ERZGEWINNUNG.

Title (fr)

ENRICHISSEMENT BACTERIEN DE MINERAIS.

Publication

EP 0129564 A4 19850701 (EN)

Application

EP 84900004 A 19831216

Priority

AU PF731282 A 19821217

Abstract (en)

[origin: WO8402355A1] Process for the benificiation of ores, comprising the dissolution of pyrite, pyrrhotite or other gangue reduced iron and/or sulfur compounds by a strain of Thiobacillus ferrooxidans capable of oxidising iron and sulfur. The valuable metal is not solubilised by the micro-organism. The process is especially applicable to the treatment of tin ores, before, during or after beneficiation and also tailings from tin beneficiation which can contain up to 14 % of the tin originally present in the ore.

IPC 1-7

C22B 1/00; C22B 3/00; C22B 25/04; C22B 34/12; C22B 23/04

IPC 8 full level

C12P 3/00 (2006.01); B03D 1/02 (2006.01); C22B 3/18 (2006.01); C12R 1/01 (2006.01)

CPC (source: EP)

C22B 3/18 (2013.01); Y02P 10/20 (2015.11)

Citation (search report)

• [X] FR 1504760 A 19671208
• [A] US 4293334 A 19811006 - DROBOT WALTER, et al
• [A] GB 2068927 A 19810819 - ENGELHARD MIN & CHEM
• [A] US 3796308 A 19740312 - MCILHINNEY A, et al

Designated contracting state (EPC)

AT BE CH DE FR GB LI LU NL SE

DOCDB simple family (publication)

WO 8402355 A1 19840621; AU 2334884 A 19840705; AU 565144 B2 19870903; EP 0129564 A1 19850102; EP 0129564 A4 19850701; JP S60500239 A 19850228; OA 07796 A 19861120; ZA 839394 B 19840829

DOCDB simple family (application)

AU 8300186 W 19831216; AU 2334884 A 19831216; EP 84900004 A 19831216; JP 50014884 A 19831216; OA 58370 A 19840817; ZA 839394 A 19831219