Title of Technology to be offered

Production of Chemical Manganese Dioxide

Type of Technology

Indigenous

Area of Technology

Materials and Materials Science

Brief description/abstract (150 words)

Process does not require electrolysis and post grinding like electrolytic Manganese Dioxide. Requires 50% less energy than EMD. Gives a valuable by-product ammonium sulphate.

Major raw material

Manganese Ore, Sulphuric Acid and Ammonium Carbonate

Major Plant Equipment/Machinery

Jaw Crusher, Roll Crusher, Ball mills, Rotary Kiln, Leaching reactor, Storage Tanks, Filter and Pumps, Boilers etc.

Area of application

Chemicals/Minerals, Metals & Materials/ Power and Fuel

Details of specification application

In dry cell batteries/Special particular type batteries in which only CMD is used.

Status of  Development

Ready for commercial use

Ecological/Environmental Impact  (if any, specify briefly)

No special measure is required

Patenting details

372/Del/93, Dt. 13.04.93, India

Extent of Commercialisation

Under the process of commercialisation

Technology Transferring Agent

NML/CSIR

Technology Transfer Assistance Offered (Optional)

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

Key words

CMD, Chemical Manganese Dioxide, Battery

Additional Information (if any)

Process cost for 2000 tpa = Rs. 650 Lakhs, Working Capital (45 days) = Rs. 280 Lakhs, Profitability: (a) ROI before tax & interest to capital = 30% (b) Break even point = 56%

Country of origin

India