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. 23, 2024
Filed:
Aug. 27, 2021
Applicant:
Chongqing University, Chongqing, CN;
Inventors:
Hongxiang Chai, Chongqing, CN;
Zheng Kong, Chongqing, CN;
Zhiyu Shao, Chongqing, CN;
Jingchen Ma, Chongqing, CN;
Assignee:
CHONGQING UNIVERSITY, Chongqing, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2023.01); E03F 1/00 (2006.01); E03F 5/14 (2006.01); C02F 103/00 (2006.01);
U.S. Cl.
CPC ...
C02F 1/288 (2013.01); C02F 1/281 (2013.01); C02F 1/283 (2013.01); E03F 1/00 (2013.01); E03F 5/14 (2013.01); C02F 2103/001 (2013.01);
Abstract
A stormwater runoff treatment substrate includes a lower pyrite substrate layer and an upper biochar substrate layer. The lower pyrite substrate layer includes pyrite, oyster shell powder, and sandy materials in a volume ratio of 10:5:85. The upper biochar substrate layer includes biochar or activated carbon, organic nutrient soil, and sandy materials in a volume ratio of 20:3:77.