US Patent Issued to Metso Finland on Jan. 20 for "Si removal from aqueous streams of minerals processing plants" (Finnish Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,718, issued on Jan. 20, was assigned to Metso Finland Oy (Espoo, Finland).

"Si removal from aqueous streams of minerals processing plants" was invented by Kaj Jansson (Tampere, Finland) and Eija Saari (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for removing soluble and/or colloidal Si-compounds from an aqueous stream of a minerals processing plant is provided. The method includes adding coagulant(s) and/or flocculant(s) and/or flotation chemical(s) to the aqueous stream in order to facilitate formation of flocs comprising at least some of the Si-compounds, and in order to form a treated aqueous stream, subjecting the trea...