US Patent Issued to TongLing Nonferrous Metals Group Holdings on March 31 for "Desulfurization and sulfur recovery method for sulfur dioxide flue gas" (Chinese Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,356, issued on March 31, was assigned to TongLing Nonferrous Metals Group Holdings Co. Ltd. (Tongling City, China).

"Desulfurization and sulfur recovery method for sulfur dioxide flue gas" was invented by Jun Zhou (Tongling City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a desulfurization and sulfur recovery method for sulfur dioxide flue gas, and belongs to the technical field of non-ferrous metal smelting. The method includes the following steps: desulfurizing the sulfur dioxide flue gas by taking slagging flux limestone or quicklime for smelting or converting process as a desulfurizer, and adsorbing SO2...