ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,368, issued on Jan. 27, was assigned to EASYMINING SWEDEN AB (Sollentuna, Sweden).
"Production of potassium phosphates" was invented by Yariv Cohen (Stockholm), Christian Tunsu (Askim, Sweden), Angela Van Der Werf (Solna, Sweden) and Daniel Boman (Uppsala, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "An arrangement for production of fully soluble, pure and well-defined mono- or di-potassium phosphates, comprises an extraction section, a stripping section and end treatment arrangements. The extraction section performs a liquid-liquid extraction of phosphate between a feed liquid comprising phosphoric acid. The stripping section performs a li...