The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2004
Filed:
Oct. 29, 2001
Rajinder N. Vohra, Gijubhai Badhetea Marg, IN;
Pushpito Kumar Ghosh, Gijubhai Badhetea Marg, IN;
Vadakke Puthoor Mohandas, Gijubhai Badhetea Marg, IN;
Himanshu Labhshanker Joshi, Gijubhai Badhetea Marg, IN;
Hasina Hajibhai Deraiya, Gijubhai Badhetea Marg, IN;
Rohit Harshadray Dave, Gijubhai Badhetea Marg, IN;
Koushik Halder, Gijubhai Badhetea Marg, IN;
Ran Bahadur Yadav, Gijubhai Badhetea Marg, IN;
Sohan Lal Daga, Gijubhai Badhetea Marg, IN;
Kishorkumar Manmohandas Majeethia, Gijubhai Badhetea Marg, IN;
Upendra Padmakant Saraiya, Gijubhai Badhetea Marg, IN;
Council of Scientific and Industrial Research, New Delhi, IN;
Abstract
A new process for recovery of common salt, potassium chloride, concentrated magnesium chloride with enriched bromide, and high purity magnesia from brine in an integrated manner, said process comprises preparation of calcium chloride by reaction of hydrochloric acid generated in the process with limestone, desulfatation of brine with calcium chloride, production of sodium chloride of superior quality in solar pans, solar evaporation of bittern thereby producing carnallite and end bittern, processing carnallite through established processes to produce potassium chloride, recovering end bittern containing highly concentrated magnesium chloride and enriched bromide and calcination of a part of the end bittern after solidification to produce high purity magnesia and hydrochloric acid utilizable in the process.