Process for the production of a plant growth stimulator from fly ash

The invention relates to a process for the production of plant growth stimulator from fly ash, comprising treating fly ash with effluent NOx gases in a reactor under agitation at a temperature in the range of 60 to 100 degree celsius, for a time period in the range of 2 to 5 hours and treating the resulting material with effluent ammonia gas in the same reactor under ambient conditions for time period in the range of 20 to 50 minutes.

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

Patent No: US7291199 [USA]

Application No: 10/795,576

Inventor(s): Rao Sukuru Ramakrishna; Ghosh Swapan Kumar; Singh Gulab; Hazra Sushanta Kumar

Issue Date: 11-06-2007

Filing Date: 03-08-2004

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: C05F11/00, C05F7/00

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