ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,586, issued on Sept. 29, was assigned to BCEG ENVIRONMENT REMEDIATION Co. LTD (Beijing).

"Method for in-situ remediation of contaminated soil through multi-technology coupling" was invented by Jingwen Li (Beijing), Yuru Sun (Beijing), Jing Lyu (Beijing), Nan Guo (Beijing), Peng Liu (Beijing), Fuwang Wang (Beijing), Dongli Liu (Beijing), Juqing Zhu (Beijing) and Xiaoxin Yu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for in-situ remediation of contaminated soil through multi-technology coupling. The remediation method comprises the following steps: preheating the soil at a contaminated site by using...