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:
Sep. 03, 2019
Filed:
Jan. 14, 2016
Imerys Usa, Inc., Roswell, GA (US);
Christopher Paynter, Atlanta, GA (US);
Kalena Stovall, Atlanta, GA (US);
Douglas Wicks, Johns Creek, GA (US);
Gavin Butler-Lee, St. Austell, GB;
Parvin Golbayani, Kennesaw, GA (US);
Nigel Victor Jarvis, St. Austell, GB;
Graham M. Pring, Lostwithiel, GB;
David Taylor, Marietta, GA (US);
Ricardo M. Perez, Cumming, GA (US);
Imerys USA, Inc., Roswell, GA (US);
Abstract
A process for treating a sulfurous fluid to form gypsum and magnesium carbonate, whereby the sulfurous fluid is scrubbed with a sequestrating agent to yield a scrubbed fluid, gypsum and magnesium sulfate. The flue gas desulfurized gypsum is isolated from the magnesium sulfate solution by filtration or centrifugation. The magnesium sulfate is reacted with a carbonate salt to produce a magnesium carbonate whereby the reaction conditions are controlled to control the properties of the magnesium carbonate produced.