Metal
and Metalworking Industry -Graphite for Industrial
Use
Process: A
process for the production of different grades graphite.
Uses:
Wide ranging uses in crucible, pencil, electrical and
foundry industries.
Salient Features:
Simple and low cost process. Different grades
of graphite are produced in down stream steps. Recovers
as much as possible in flake size in flaky raw graphite.
The process can treat flaky, as well as amorphous variety.
Environmental
Considerations: There should be well planned
disposal of waste and effluents.
Scale of Development:
The process has been developed on 20 tpd continuous
run pilot plant scale.
Commercialisation
Status:
(1) A 10 tpd graphite beneficiation plant for Patna
State Mining Company at Titlagarh, Orissa,
(2) Process know-how, technological flow-sheet and consultancy
given to M/s. BSMDC for a 150 tpd graphite beneficiation
plant
(3) A plant to product 50 tpd crucible grade graphite
in Banswara, Rajasthan running since 1982.
Major Raw Materials:
Graphite ore, Cresylic acid, Pine oil, Sodium silicate,
Lime.
Major Plant
Equipment/Machinery: Crusher, Distintegrators,
Rod mills, Conveying systems, Concentrating tables,
Conditioners, Flotation banks, Reagent feeders, Thickeners
and pumps, Rake separators.
Techno-Economics:
A 40 tpd plant will require a capital investment of
Rs. 120 lakhs.
Technology Package
Include
(1) Process know-how
(2) technological flowsheet
(3) Equipment details
(4) Assistance in plant set-up on separate terms.
Released Through:
NML/CSIR
Contact: Director
National Metallurgical Laboratory
Jamshedpur - 831007, India
