CM-PATRA / record

Extraction of alumina

Publication

TW-200909355-A on Google Patents

Filed / published / granted

2008-07-09 / 2009-03-01 / n/a

Offices

TW, PE, WO, AR

Applicants

Aditya Birla Science & Technology (IN, industry); Hindalco Industries (IN, industry); Aditya Birla Science & Technology (IN, industry)

Minerals

Aluminium (not on list), Silicon

Stages

Hydrometallurgy (leaching, solvent extraction), Pyrometallurgy / smelting, Refining

CPC

C22B3/12, C22B21/0015, C22B4/00, C22B9/225

Abstract (first 170 chars)

A process for extraction of alumina from aluminum containing ores is disclosed. The process involves the following steps: determining the alumina and silica content in th