CM-PATRA / record

(no English title in the source record)

Publication

IN-2015DN00599-A on Google Patents

Filed / published / granted

2012-07-20 / 2015-06-26 / n/a

Offices

IN (includes the Indian office)

Applicants

Obshchestvo S Ogranichennoy Otvetstvennostyu Obedinennaya Kompaniya Rusal Inzh T Ts (RU, foreign-industry)

Minerals

Rare earths, Aluminium (not on list)

Stages

Hydrometallurgy (leaching, solvent extraction), Recycling / secondary sources

Waste stream

Red mud (bauxite residue)

CPC

C22B59/00, C22B21/0023, C22B3/1608, C22B7/005, C22B7/007, C22B7/006

Abstract (first 170 chars)

The invention relates to the metallurgical industry specifically to the acid treatment of red mud obtained in the process of producing alumina and can be used in technolo