ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,986, issued on Sept. 1, was assigned to AIR PRODUCUTS AND CHEMICALS INC. (Allentown, Pa.).
"Integrated heat exchanger and sour water stripper" was invented by Yanlai Zhang (Shanghai) and Xukun Luo (Allentown, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A combined vessel comprises a stripping section for removing acid gases from a sour water stream and a direct contact heat exchanger section for heating a graywater stream in order to improve heat and mass transfer in the treatment and recycle of water streams for a gasification process."
The patent was filed on Oct. 20, 2023, under Application No. 18/491,136.
*For further information, includ...