A process for preparation of synergistic compostion suitable for free face blasting in underground coal mines

A process for the preparation of synergistic composition by dissolving oxidizing agent in water at a temperature in the range of 65-70°C and maintaining pH of the solution in the range of 4.40 to 4.80 by adding acetic acid/nitric acid, adding to the solution so obtained fuel selected from sugar, flour and guar gum and cooling agent selected from sodium chloride to obtain a zero oxygen balanced composition in the slurry form, sensitizing the said slurry by using flake grade aluminium powder followed by treatment with cross-linking agents and gassing agents by known methods.

Patent Assignee: Council of Scientific & Industrial Research (CSIR)

Patent No: IN231932 [India]

Application No: 204/DEL/2001

Inventor(s): Braj Mohan Pat Pingua; Nabiullah; Jagdish; Tribhuwan Nath Singh

Issue Date: 27-03-2009

Filing Date: 27-02-2001

Licensing Option: Laboratory willing to jointly develop technology with industrial partner.

Implementing institute: CSIR-Central Institute of Mining and Fuel Research [CSIR-CIMFR]

Funding agency: Council of Scientific and Industrial Research (CSIR)

IPC Classification: C08B31/00

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