The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Feb. 27, 2023
Applicants:
Nikkiso Co., Ltd., Tokyo, JP;
Tohoku University, Miyagi, JP;
Inventors:
Toshiaki Yoshioka, Miyagi, JP;
Tomohito Kameda, Miyagi, JP;
Fumihiko Kitagawa, Ishikawa, JP;
Yoichi Jimbo, Ishikawa, JP;
Masayuki Kondo, Ishikawa, JP;
Assignees:
NIKKISO CO., LTD., Tokyo, JP;
TOHOKU UNIVERSITY, Miyagi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/08 (2006.01); B01J 20/18 (2006.01);
U.S. Cl.
CPC ...
B01J 20/08 (2013.01); B01J 20/18 (2013.01);
Abstract
Provided is a method for regenerating a liquid to be treated, the method includes bringing a lactic acid adsorbent that contains a Mg—Al-based layered double hydroxide having Mgand Alas constituent metals, and an ammonia adsorbent having L-type zeolite, into contact with the liquid to be treated that contains lactic acid and ammonia, to remove lactic acid and ammonia in the liquid to be treated.