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:
Aug. 05, 2025
Filed:
Sep. 22, 2022
Chongqing University, Chongqing, CN;
China Construction Industrial & Energy Engineering Group Co., Ltd., Nanjing, CN;
Hongxiang Chai, Chongqing, CN;
Xinyue Wang, Chongqing, CN;
Zhiyu Shao, Chongqing, CN;
Haiyuan Ma, Chongqing, CN;
Jingjing Hu, Chongqing, CN;
Qiang He, Chongqing, CN;
Yanhong Xu, Nanjing, CN;
Qichang Ni, Nanjing, CN;
Fujian Liu, Nanjing, CN;
CHONGQING UNIVERSITY, Chongqing, CN;
CHINA CONSTRUCTION INDUSTRIAL & ENERGY ENGINEERING GROUP CO., LTD, Nanjing, CN;
Abstract
A bioretention pond includes a pond body and an overflow weir. The pond body includes a pond wall and a layered substrate. The layered substrate includes from bottom to top: a gravel layer, a transition layer, a pyrite layer, a plant layer, a pebble water layer, an organic layer, and a water storage layer. The overflow weir is disposed on the pebble water layer with a space left above the center of the pebble layer. The organic layer is disposed in the space and covers the pebble layer. The water storage layer is disposed onto the organic layer. The pond body further includes a perforated pipe disposed in the gravel layer; and the perforated pipe includes an outlet end disposed at the top part of the pyrite layer.