US 2023/0416129 A1Published application

Bioretention pond for rainwater treatment

AssigneesChongqing University, China Construction Industrial & Energy Engineering Group Co., Ltd.

InventorsHongxiang CHAI, Xinyue WANG, Zhiyu SHAO, Haiyuan MA, Jingjing HU, Qiang HE, Yanhong XU, Qichang NI, Fujian LIU

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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.

Claims10

Dependent claims

A bioretention pond for rainwater treatment, comprising:

a pond body;
and
an overflow weir;
wherein:
the pond body comprises a pond wall and a layered substrate;
the layered substrate comprises from bottom to top:
a gravel layer, a transition layer, a pyrite layer, a plant layer, a pebble layer, an organic layer, and a water storage layer;
the overflow weir is disposed on the pebble layer with a space left above a 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;
and
the pond body further comprises a perforated pipe, and one end of the perforated pipe is disposed in the gravel layer;
and the perforated pipe comprises an outlet end which is flush with a top part of the pyrite layer.

10 more elements

Dependencies are inferred from the claim text.