US Patent Issued to Chevron U.S.A. on March 25 for "System and method for salt removal from solid media" (Texas Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,607, issued on March 25, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"System and method for salt removal from solid media" was invented by Joonkyoung Han (Katy, Texas) and John B. Trenery Jr. (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for reducing the salinity of salt containing material (SCM) includes introducing the SCM into a wash system configured to sequentially wash the SCM with water having decreasing salinity levels across a plurality of mixing tanks arranged in series; introducing feed water into the wash system in a countercurrent flow relative to the SCM; discharging washed SCM from the wash ...