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A filler for urban road rainwater ecological stagnation and purification measures

A road and rainwater technology, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as reducing the effect of technical application, and achieve easy access to materials, strong water permeability, and removal of good effect

Active Publication Date: 2016-03-09
BEIJING WATER SCI & TECH INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the fillers for domestic rainwater management measures directly apply foreign achievements, but due to the differences in various conditions such as meteorology, soil, runoff, and materials at home and abroad, copying foreign achievements will inevitably reduce the application effect of the technology

Method used

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  • A filler for urban road rainwater ecological stagnation and purification measures
  • A filler for urban road rainwater ecological stagnation and purification measures

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1 Preparation of urban road rainwater ecological stagnation and purification measures filler (1)

[0023] Mix 50% by volume of sandy loam, 35% by volume of coarse sand, 5% by volume of vermiculite, 5% by volume of perlite, and 5% by volume of peat soil to make urban road rainwater ecological stagnation and purification measures filler I.

Embodiment 2

[0024] Example 2 Preparation of urban road rainwater ecological stagnation and purification measures filler (2)

[0025] Mix 30% by volume of sandy loam, 30% by volume of coarse sand, 30% by volume of vermiculite, 5% by volume of peat soil, and 5% by volume of peat soil to make urban road rainwater ecological stagnation and purification measures filler II.

Embodiment 3

[0026] Example 3 Preparation of filler for urban road rainwater ecological stagnation and purification measures (3)

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Abstract

The invention discloses a filling material for ecological storage-detention and purification measures of urban road rainwater. The filling material consists of the following components: sandy loam, coarse sand, vermiculite, perlite and turfy soil. The filling material can achieve relatively good water-permeability, water-retention and water-purification effects on the road rainwater, is beneficial for the growth of plants, is low in cost and relatively high in localization degree, is easy to obtain, and is relatively high in comprehensive benefit. The filling material disclosed by the invention can be used for providing the basis for filling material selection of domestic road rainwater management measures, and has important significance of increasing the water quantity and water quality treatment effects of source road rainwater management measures and promoting the application of a road rainwater management technology.

Description

technical field [0001] The invention relates to a filler for urban road rainwater ecological retention and purification measures. Background technique [0002] With the increase of urban road hardening area, the increase of rainfall runoff (waterlogging) and the deterioration of water quality (non-point source pollution) have become increasingly prominent. be widely used. The rainwater management measures for low-impact development, such as bioretention tanks and grass-planting ditches, which focus on road rainwater absorption, store and purify rainwater through the physical, chemical, and biological interactions between plants-fillers-microorganisms. It plays an important role in promoting plant growth, cultivating microorganisms, providing storage space for runoff, and exerting the adsorption and filtration effect on pollutants. [0003] At present, foreign fillers mostly recommend mixtures with good permeability, soil as the base, and a certain amount of organic matter ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/00C02F3/32
Inventor 孟莹莹张书函陈建刚王海潮潘兴瑶苏东彬
Owner BEIJING WATER SCI & TECH INST
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