Abstract: A process has been disclosed for preparation of hydrobromic acid from bromine, sulfur dioxide and water, which involves in situ generation of bromine from bittern for the production of hydrobromic acid and separation thereof from co-products, viz., sulfuric and hydrochloric acids. The invented process obviates the need for double distillation or precipitation step for removal of sulfate impurities. The concentration of the product obtained by the disclosed process is about 48% and it contains <15 ppm sulfate and chloride impurities.
Type:
Grant
Filed:
January 8, 2016
Date of Patent:
April 21, 2020
Assignee:
Agrocel Industries Limited
Inventors:
Dipesh Kantisen Shroff, Bhupendra Kalyanbhai Sachani, Dhaval Rajnikant Dave