Process for the production of glycine enriched naci crystals with improved flow

The present invention relates to a simple, economical, and efficient cyclic process for producing rhombic dodecahedron shaped glycine enriched, free flowing common salt from brine, said process comprising steps of adding glycine of concentration ranging between 10 to 25% to the saturated brine, evaporating the saturated brine containing glycine to obtain crystals having high content of glycine, with mother liquor, washing the crystals with saturated brine to obtain rhombic dodecahedron shaped glycine enriched common salt having glycine content ranging between 0.5 to 1.0% and a washed brine, combining the mother liquor and the washed brine to obtain resulting brine, subjecting the resultant brine to solar evaporation, and repeating the steps of (iii) to (v) to obtain rhombic dodecahedron shaped glycine enriched common salt from brine with glycine concentration ranging between 0.5 to 1.0%.

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

Patent No: US7220435 [USA]

Application No: 10/745,758

Inventor(s): Dastidar, Parthasarathi; Ghosh, Pushpito Kumar; Ballabh, Amar; Trivedi, Darshak Rameshbhai; Pramanik, Amitava; Kumar, Velayudhan Nair Gopa

Issue Date: 22-05-2007

Filing Date: 23-12-2003

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

Implementing institute: CSIR-Central Salt & Marine Chemicals Research Institute [CSIR-CSMCRI]

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

IPC Classification: A61K 31/198, A23L 1/237, A61K 33/14, C01D

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