Patent Number: 6,761,864

Title: Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product

Abstract: An environmentally friendly process for the production of finely divided calcium carbonate suitable for industrial application from a calcium carbonate-rich by-product of nitrophosphate fertilizer plant by adopting purification steps of thermal treatment, pulverization and coating using an emulsion of a fatty acid or it's a fatty acid derivatives.

Inventors: Jasra; Raksh Vir (Gujarat, IN), Oza; Pravinchandra Mahasukhray (Gujarat, IN), Somani; Rajesh Shantilal (Gujarat, IN), Chunnawala; Jatin Rameshchandra (Gujarat, IN), Sheth; Mrunal Vinodbhai (Gujarat, IN), Thakkar; Vikram Vinodrai (Gujarat, IN), Badheka; Yogiraj Mansukhlal (Gujarat, IN), Ayyer; Jayalekshmy (Gujarat, IN), Patel; Virendra Bhikhabhai (Gujarat, IN)

Assignee: Council of Scientific and Industrial Research

International Classification: C01F 11/00 (20060101); C01F 11/18 (20060101); C09C 1/02 (20060101); C01F 011/18 ()

Expiration Date: 07/13/2021