ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,639, issued on Oct. 14, was assigned to MITSUBISHI KAKOKI KAISHA LTD. (Kanagawa, Japan).
"Neutralization processing system for ammonia-containing waste fluid and neutralization processing method for ammonia-containing waste fluid" was invented by Yoichiro Otani (Kanagawa, Japan), Kenji Matsunari (Kanagawa, Japan) and Shunma Saito (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A neutralization processing system for an ammonia-containing waste fluid, includes: one or more sludge tanks; a sludge discharge line configured to supply the waste fluid to the sludge tank; a neutralizer supply line configured to supply a neutralizer to the sl...