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Conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate
   
Document Number
US Patent 7045109
Issued Date
May 16, 2006
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Abstract
Process for the conversion of sodium bromide to anhydrous hydrobromic acid and sodium bisulfate, said process with the following sequential steps: reaction of sodium bromide and sulfuric acid in a solution of water to produce hydrobromic acid and sodium bisulfate wherein the conversion of sodium bromide is greater than about 99%; adsorption of iron bromide onto a solid adsorbent; separation of hydrobromic acid and water from the sodium bisulfate; separation and drying of hydrobromic acid; and solidification of the sodium bisulfate into a flaked or granular form.
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Number of Claims:
26
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Owner
Procter & Gamble (Cincinnati, OH)
Published
May 16, 2006
Application Number
10/993,040
Filed
November 19, 2004
US Classification
423/482   423/481 423/488 423/520 423/521 423/551
Int'l Classification
C01B   7/09   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation-in-part of U.S. application Ser. No. 10/458,432 filed Jun. 10, 2003 now abandoned, which is a continuation-in-part of U.S. application Ser. No. 10/265,812, filed Oct. 7, 2002 now U.S. Pat. No. 6,811,763.
USPTO Field of Search
423/481   423/482   423/488   423/520   423/521   423/551  
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