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Arranging method for leaf-floating vegetation in mixed-type subsurface wetland system

A technology for floating leaf vegetation and subsurface flow wetlands, applied in chemical instruments and methods, sustainable biological treatment, water/sludge/sewage treatment, etc., can solve problems such as low removal rate, poor water purification effect, and easy clogging of substrates

Inactive Publication Date: 2014-03-12
SHANGHAI TAIHE WATER ENVIRONMENTAL TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in traditional subsurface wetland design, emergent plants have limited absorption of nitrogen and phosphorus nutrients (less than 5%), poor oxygen supply capacity, insufficient nitrification / denitrification environment, and substrates are easy to clog
These factors lead to the low removal rate of nitrogen, phosphorus and other pollutants in sewage by traditional subsurface flow wetlands, and the water purification effect is not good.

Method used

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  • Arranging method for leaf-floating vegetation in mixed-type subsurface wetland system
  • Arranging method for leaf-floating vegetation in mixed-type subsurface wetland system
  • Arranging method for leaf-floating vegetation in mixed-type subsurface wetland system

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Embodiment Construction

[0012] In order to have a more specific understanding of the technical content, characteristics and effects of the present invention, the specific structure of this new mixed wetland is described in detail as follows in combination with the illustrated embodiment:

[0013] The mixed subsurface flow wetland system of submerged vegetation and floating leaf vegetation in this embodiment has a total length of 100.6 meters, a total width of 24.84 meters, and a total area of ​​2498.904m 2 (including the wall construction area), 1.3 meters deep. The mixed subsurface flow wetland system is a brick wall cement pool structure, and the width of the wall is uniformly 28 cm. For the specific composition and structure, please refer to figure 1 , 2 shown, including:

[0014] 1. Inlet pool

[0015] The inlet pool is 20.56 meters long, 5 meters wide (including the width of the surrounding walls), and 1.3 meters deep. It is mainly composed of an inlet weir, an inlet pipe, and two coarse scre...

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Abstract

The invention discloses an arranging method for leaf-floating vegetation in mixed-type subsurface wetland system, wherein the leaf-floating vegetation consists of caulerpa serrulata, pistia stratiotes L. and Taihu lake trapaceae. According to the method, caulerpa serrulata, pistia stratiotes L. and Taihu lake trapaceae which are fast in growth speed and strong in pollution resistibility are utilized for contructing the stable floating-island planting biological system, and the physiological metabolic activities such as absorption, adsorption, settlement promotion, denitrification and the like of caulerpa serrulata, pistia stratiotes L. and Taihu lake trapaceae are utilized for removing nutrient pollutants such as nitrogen, phosphor and the like in water and further purifying water.

Description

technical field [0001] The invention relates to the advanced treatment of sewage, in particular to a configuration method of floating leaf vegetation in a mixed submerged flow wetland system of submerged vegetation and floating leaf vegetation. Background technique [0002] The basic structure of conventional subsurface wetlands includes bed body, substrate and wet vegetation. The basic principle is mainly to use the nitrification / denitrification of microorganisms in the system to remove, the adsorption of substrate and the wet plants (in traditional subsurface wetlands, mainly emergent Plant) absorption and other functions to remove nitrogen, phosphorus and other pollutants in the water body. Among them, the commonly used wet vegetation mainly includes reed, cattail, canna, etc., and its functions include: 1) the developed root system interweaves with the filler matrix to form a network, which provides a huge surface area for the attachment of microorganisms and plays the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32
CPCY02W10/10
Inventor 何文辉
Owner SHANGHAI TAIHE WATER ENVIRONMENTAL TECH DEV CO LTD
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