CM-PATRA / record

A process for extraction of nickel from low grade chromite ore

Publication

WO-2004055225-A1 on Google Patents

Filed / published / granted

2002-12-17 / 2004-07-01 / 2012-02-22

Offices

ES, BR, AU, AT, WO, PT, EP

Applicants

CSIR (Council of Scientific & Industrial Research) (IN, government-rd); NALCO (National Aluminium) (IN, psu); NMDC (IN, psu)

Minerals

Nickel, Iron / Steel / Manganese / Chromium (not on list)

Stages

Hydrometallurgy (leaching, solvent extraction)

CPC

C22B23/021, C22B23/005, C22B23/0446

Abstract (first 170 chars)

The present invention is a process for the extraction of nickel from low-grade chromite ore containing 0.6 to 0.9 % nickel, said process comprises of crushing, drying and