Page 31 - Technology Compendium

CSIR-IMMT/EXM - 02

Aqueous processing of talc ore for brightness improvement

Advantages / Salient Technical Features Scale of Development
• Cost effective, efficient and environment friendly • Bench Scale - 1 kg scale (Current TRL
Level : 04)
Problem being addressed

• Low-grade talc containing impurities such as iron up Commercialization Status
to 2% by weight is being treated by chemical method • Not commercialized yet
to produce high quality talc product suitable for
various commercial applications. Techno-economics

• NA
Environmental Considerations (if any)
• It is environment friendly technology. Technology Package

• Not available; Pilot scale study and basic
Major Raw Materials to be Utilized engineering are not done.
• Natural Talc Mineral

IPR Status / Details (India/Abroad)
• Patent under process

Application/Uses
• This process can be used to produce talc product with
enhanced brightness of Industrial Standard.

29