ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,857, issued on May 20, was assigned to SOUTHEAST UNIVERSITY (Nanjing, China).

"Low-temperature plasma regeneration system and method for inactivated activated carbon" was invented by Huiyan Zhang (Nanjing, China), Jiawei Wang (Nanjing, China) and Rui Xiao (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A low-temperature plasma regeneration system and a low-temperature plasma regeneration method is for inactivated activated carbon, wherein the system comprises a gas supply system, a plasma reaction apparatus and a waste gas treatment apparatus, wherein the gas supply system is configured for supplying gas and water vapor; the plasma re...