ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,157, issued on July 28, was assigned to Novaphos Phosphate Technology LLC (Fort Meade, Fla.).
"Phosphorus production methods and systems and methods for producing a reduction product" was invented by David B. Blake (Lakeland, Fla.), Lynnae L. Blake (Lakeland, Fla.) and Mark Vignovic (Lakeland, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A phosphorus production method can include reducing feed containing phosphate ore and providing a silica ratio from 0.3 to 0.7 in a reaction chamber from 1250 to 1380deg C. Less than 20% of the phosphate remains in the residue. Another phosphorus production method includes continuously moving a reducing bed t...