ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,249, issued on Oct. 27, was assigned to EnviCore Inc. (Calgary, Canada).
"Process for tailings stream sedimentation and segregation" was invented by Aseem Pandey (Calgary, Canada), Milana Trifkovic (Calgary, Canada) and Shahrukh Shamim (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treatment of tailings including, but not limited to, mature fine tailings (MFT) from mine tailings, oil sands, coal tailings, industrial tailings, thin fine tailings (TF), and laterite tailings. The method comprises contacting the tailing with a deflocculant to reduce the yield stress and viscosity of the tailings, resulting in accelerated so...