ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,452, issued on Sept. 8, was assigned to MAD-Era Inc. (Midland, Texas).
"System and method for remediating soil" was invented by Jack Dean (Midland, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of feeding a contaminated soil to a remediation apparatus to generate a clean soil and mixing the contaminated soil with an aqueous cleaning solution to generate a soil solution. The method also includes subjecting the soil solution to vortical flow in a first direction and subjecting the soil solution to vortical flow in a second direction in an opposite lateral direction from the first direction. The clean soil can then be separated from a d...