A method of using aquatic plants to purify nitrogen and phosphorus nutrients in river water

A technology of aquatic plants and nutrients, applied in the field of nitrogen and phosphorus nutrients, can solve the problems of insufficient ability of aquatic plants to purify black and odorous water bodies, and achieve the effect of restoring and protecting ecology and service functions

Active Publication Date: 2022-06-28
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the object of the present invention is to provide a method for utilizing aquatic plants to purify nitrogen and phosphorus nutrients in river water bodies, which solves the problem of insufficient ability of aquatic plants to purify black and odorous water bodies in the prior art

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  • A method of using aquatic plants to purify nitrogen and phosphorus nutrients in river water
  • A method of using aquatic plants to purify nitrogen and phosphorus nutrients in river water

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[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] An embodiment of the present invention provides a method for utilizing aquatic plants to purify nitrogen and phosphorus nutrients in a river water body, comprising the following steps:

[0040] S1. Select the water body in the area to be purified, and perform a sampling operation to detect the total nitrogen content, total phosphorus and ammonia nitrogen content in the sampled water body;

[0041] S2. Determine the types of emerging plants, floating plant...

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Abstract

The invention discloses a method for purifying nitrogen and phosphorus nutrients in river course water by using aquatic plants. Determine the species of emergent plants, floating plants and submerged plants that are planted, and carry out pre-cultivation for 1-2 weeks respectively; S3, drop into the pre-cultivated species of emergent plants, floating plants and submerged plants in the water body of the area to be purified, and Determine the planting density; the growth cycle of S4, emergent plants, floating plants and submerged plants is 30-40 days, and then detect the total nitrogen content, total phosphorus and ammonia nitrogen content of the purified water. The present invention detects and compares total nitrogen, total phosphorus and ammonia nitrogen for the main indicators affecting water quality, and determines the best combination type of emergent plants, floating plants and submerged plants for purifying water quality, which is eutrophication and black and odorous water bodies Provide a scientific theoretical basis for ecological restoration and governance.

Description

technical field [0001] The invention belongs to the technical field of water purification, and in particular relates to a method for using aquatic plants to purify nitrogen and phosphorus nutrients in river water bodies. Background technique [0002] Aquatic plants are an important part of constructed wetlands and play an important role in the transformation and degradation of pollutants. They can directly absorb and utilize nitrogen and phosphorus in sewage for their own growth; enzymes and other substances released by plant roots can directly degrade pollutants. And the degradation rate is very fast; studies have shown that different aquatic plants have different absorption and adsorption effects on pollutants, and the enzymes released by the root system and the population and quantity of rhizosphere microorganisms are different, thus affecting the pollutant removal effect of constructed wetlands. Investigating the effect of different types of plants in purifying polluted ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/32
CPCC02F3/32C02F2103/007
Inventor 张治国胡友彪郑永红陈小运余婷武琳邓永强张磊陈芳玲张晓慧
Owner ANHUI UNIV OF SCI & TECH
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