Introductin

The process involves roasting of ground ore (lepidolite - 2.5 to 4% Li2O) with alkali sulphate followed by water leaching and subsequently treating with carbonate salt. The recovery of lithium and purity of lithium carbonate from this process was obtained as 90-92% and 98% respectively.

Major Raw Material

Leoidolite, Alkali Sulphate, Carbonate Salts, Water, Steam etc.

Major Plant Equipment

High temperature continuous furnace, constant stired tank reactor, solid-liquid separator unit.

Area of Technology

Chemistry and Chemical Engineering
Geology and Resource Extraction

Applications

1. Minerals, Metals and Materials
2. Power and Fuel
3. Defence

Status of Development

Ready for commercial use

Ecological/Environmental Impact : Environment Friendly

Technology Transfer Assistance Offered

a) Process Know-How, (b) Details of the Equipment, (c) Plant lay-out, (d) Assistance in setting up a plant on separate terms

Contact for more information:

Director
National Metallurgical Laboratory
Jamshedpur-831 007, India
Tel: (0)657-2271715, 2270092
Fax:(0)657-2270527
Email: director@nmlindia.org