US Patent Issued to VALE on April 29 for "Process of obtaining powdered sodium silicate from sand tailings originated from the iron ore concentration process" (Brazilian Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,357, issued on April 29, was assigned to VALE S.A. (Rio de Janeiro, Brazil).

"Process of obtaining powdered sodium silicate from sand tailings originated from the iron ore concentration process" was invented by Jordanna Chamon Vogt (Brumadinho, Brazil) and Fernando Soares Lameiras (Nova Lima, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process of obtaining powdered sodium silicate from sand tailings generated from iron ore processing addresses the production of raw materials used in the manufacturing of geopolymers to be employed mainly by the construction industry and in road paving. The utilization of this tailing reduces environmental ...