US Patent Issued to Betolar on June 30 for "Arrangement and method for mixing a paste at a waste disposal site" (Finnish Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,539, issued on June 30, was assigned to Betolar Oy (Kannonkoski, Finland).

"Arrangement and method for mixing a paste at a waste disposal site" was invented by Juha Leppanen (Kannonkoski, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An arrangement and a method for mixing and handling industrial side-stream materials. The mixer (6) is arranged onto a movable work machine (5) and it is used for mixing at least two side-stream materials to form a geopolymer. The side-stream materials are processed between a waste pile (4) and a casting area (13) in the mixer (6). Cast paste is allowed to harden and after that it is crushed to obtain an earthw...