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:
Jan. 21, 2025
Filed:
Feb. 14, 2024
Applicant:
Institute of Soil Science, Cas, Nanjing, CN;
Inventors:
Xingxiang Wang, Nanjing, CN;
Yurong Wang, Nanjing, CN;
Changfeng Ding, Nanjing, CN;
Liqin He, Nanjing, CN;
Ziyao Li, Nanjing, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); B01J 20/04 (2006.01); B01J 20/30 (2006.01); B09C 1/08 (2006.01); C09K 17/08 (2006.01);
U.S. Cl.
CPC ...
B01J 20/22 (2013.01); B01J 20/043 (2013.01); B01J 20/3021 (2013.01); B01J 20/3071 (2013.01); B01J 20/3085 (2013.01); C09K 17/08 (2013.01); B09C 1/08 (2013.01);
Abstract
Disclosed are a targeted and long-lasting passivation material for soil cadmium immobilization, and a preparation method and use thereof. In the disclosure, the passivation material is a mercaptosuccinic acid-intercalated calcium iron aluminum hydrotalcite, which is prepared by hydrothermal co-precipitation of a metal salt dispersion and an intercalation solution in an alkaline environment.