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Water body ecological symbiosis system formed based on aquatic plant matching

A technology of aquatic plants and emergent plants, which is applied in the direction of sustainable biological treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of low purification efficiency of aquatic plants, and restore the self-purification ability of water bodies, Improve the effect of pollution carrying load and a wide range of sources

Pending Publication Date: 2020-04-10
TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, at present, the purification efficiency of aquatic plants in ecological restoration is low, and the maximum purification efficiency of aquatic plants cannot be fully utilized. Therefore, it is necessary to optimize the configuration of various types of aquatic plants to optimize the water quality of different life types. Purpose

Method used

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  • Water body ecological symbiosis system formed based on aquatic plant matching
  • Water body ecological symbiosis system formed based on aquatic plant matching
  • Water body ecological symbiosis system formed based on aquatic plant matching

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Emergent plant area, floating plant area and submerged plant area are planted respectively according to the planting area ratio of 20%: 20%: 60% in three plastic experiment boxes; Plant / m 2 The planting density is planted; the floating water plants are water lilies, which adopt 10 plants / m 2 The planting density is planted; the submerged plant is Trichosanthes spica, which adopts 50 clumps / m 2 The planting density is planted; meanwhile, the coverage rate of all aquatic plants planted in the plastic experiment box in the water body surface in the plastic experiment box is 80%.

Embodiment 2

[0018] Emergent plant area, floating plant area and submerged plant area are planted respectively according to the planting area ratio of 20%: 20%: 60% in three plastic experiment boxes; Plant / m 2 The planting density is planted; the floating water plants are water lilies, which adopt 10 plants / m 2 The planting density is planted; the submerged plant is bitter grass, which adopts 50 clumps / m 2 The planting density is planted; meanwhile, the coverage rate of all aquatic plants planted in the plastic experiment box in the water body surface in the plastic experiment box is 80%.

Embodiment 3

[0020] Emergent plant area, floating plant area and submerged plant area are planted respectively according to the planting area ratio of 20%: 20%: 60% in three plastic experiment boxes; Plant / m 2 The planting density is planted; the floating water plants are water lilies, which adopt 10 plants / m 2 The planting density is planted; the submerged plant is Hydra verticillium, which adopts 50 clumps / m 2 The planting density is planted; meanwhile, the coverage rate of all aquatic plants planted in the plastic experiment box in the water body surface in the plastic experiment box is 80%.

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Abstract

The invention discloses a water body ecological symbiosis system formed based on aquatic plant matching. The system comprises an emergent plant area formed by planting lythrum salicaria at a plantingdensity of 25 plants / m<2>, a floating plant area formed by planting nymphaea tetragona at a planting density of 10 plants / m<2> and a submerged plant area formed by planting myriophyllum spicatum, vallisneria natans or hydrilla verticillata at a planting density of 50 clusters / m<2> according to a planting area ratio of 20%:20%:60%, wherein the water body surface coverage rate of all aquatic plantsis larger than or equal to 80%. According to the water body ecological symbiosis system formed based on aquatic plant matching, the matching planting scheme of submerged plants, floating plants and emergent plants with landscape performances is optimized, so that the water ecological symbiotic system having the advantages of water self-purification capacity restoring and pollution bearing load improving and suitable for urban river and lake water environment restoration is formed, and further has the advantages of wide source, economy, attractiveness, remarkable water purification effect, no secondary pollution and the like.

Description

technical field [0001] The invention relates to the technical field of ecological restoration of urban rivers, lakes and other water environments, in particular to a water body ecological symbiosis system formed based on the combination of aquatic plants. Background technique [0002] The treatment and restoration of urban polluted water bodies mainly aim at pollution source control, water quality purification, and water ecological restoration. The overall idea of ​​water environment quality improvement is "external source emission reduction, internal source dredging, water quality purification, fresh water supply, and ecological restoration." [0003] Ecological restoration refers to the use of specific organisms to absorb, transform, remove or degrade environmental pollutants, improve the purification ability of the water body itself, and build a stable ecosystem. It is an indispensable measure for long-term improvement and maintenance of water quality. The structure and f...

Claims

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Application Information

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IPC IPC(8): C02F3/32
CPCC02F3/32Y02W10/10Y02A20/402
Inventor 彭士涛贾建娜肖欢魏燕杰褚强张凯磊
Owner TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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