US Patent Issued to Arelac on Oct. 27 for "Methods and systems for forming vaterite from calcined limestone using electric kiln" (California Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,214, issued on Oct. 27, was assigned to Arelac Inc. (San Jose, Calif.).

"Methods and systems for forming vaterite from calcined limestone using electric kiln" was invented by Ryan J Gilliam (San Jose, Calif.) and Michael Joseph Weiss (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are zero carbon dioxide (CO2) emission processes and systems to carry out the processes, comprising a) calcining limestone in a cement plant in an electric kiln to form a mixture comprising calcium oxide and a first gaseous stream comprising clean carbon dioxide, wherein the clean carbon dioxide comprises no gaseous or non-gaseous componen...