Method for controlling hypertrophy of green algae

A technology of green algae and algaecide, which is applied in the field of water environment management, and can solve problems such as algal blooms, fish poisoning, and sunlight that is difficult to penetrate the water layer

Inactive Publication Date: 2019-06-25
崔潇月
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to excessive nitrogen, phosphorus and other nutrient elements, a large number of algae blooms in surface waters, often forming a thick floating layer of algae on the water surface, which greatly deteriorates the water environment, and also leads to fishy water and a large number of deaths of aquatic animals.
[0003] Chlorella is a common aquatic algae, its excessive reproduction will make it difficult for sunlight to penetrate the water layer, affect the photosynthesis of plants in the water, and may also cause the supersaturation of dissolved oxygen in the upper layer of the water area and the lack of dissolved oxygen in the bottom layer, affecting aquatic animals Normal growth and reproduction. In addition, algae will release algal toxins during metabolism or after algae rupture, such as Anabaena, A. aeruginosa, and Microcystis aeruginosa. These algae toxins are directly toxic to fish, humans and animals.
[0004] Although many people use aquatic plant methods to control the overgrowth of green algae caused by eutrophication of water bodies, the effect is not great
[0005] In summary, there are obviously inconveniences and defects in the actual use of the existing technology, so it is necessary to improve

Method used

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  • Method for controlling hypertrophy of green algae

Examples

Experimental program
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Effect test

Embodiment 1

[0049] The landscape water of an artificial lake in a park in Beijing, due to the poor fluidity of the water body in the lake area, green algae grow rapidly; the water body is green and the sensory perception is poor.

[0050] Adopt the treatment method of overgrowth of green algae of the present invention, first sprinkle plant ash and flocculant in the water body, and arrange micro-bubble generating device in the water body, the throwing amount of plant ash is 28g / L, and the dosage of flocculant is 15g / L After 3 to 5 days, mechanically remove the floating objects on the surface of the water body; then add 58mg / L of chemical algicide; then add 62mg / L of coagulant to adjust the pH of the water body to 6.9; then add blue vitriol, The amount of blue alum added is 2.4g / L; finally, floating plants are planted on the surface of the water body, and are removed mechanically after the growth period.

[0051] After being treated by the method of the present invention, the water body is ...

Embodiment 2

[0053] A roadside artificial lake in Shandong, due to the poor fluidity of the water body, contains a lot of organic matter inside, and green algae grows rapidly; the water body is green and the sensory perception is poor.

[0054] Adopt the treatment method of overgrowth of green algae of the present invention, first sprinkle plant ash and flocculant in the water body, and set micro-bubble generating device in the water body, the throwing amount of plant ash is 25g / L, and the dosage of flocculant is 17g / L After 3 to 5 days, mechanically remove the floating objects on the surface of the water body; then add 61mg / L of chemical algicide; then add 49mg / L of coagulant to adjust the pH of the water body to 7.1; then add blue vitriol, The amount of blue alum added is 2.2g / L; finally, floating plants are planted on the surface of the water body, and are removed mechanically after the growth period.

[0055] After being treated by the method of the invention, the water body is clear and...

Embodiment 3

[0057] Due to the high temperature and water temperature in the landscape lake water of a residential area in Beijing, green algae grow rapidly; the water body is green and the sensory perception is poor.

[0058] Adopt the treatment method of overgrowth of green algae of the present invention, first sprinkle plant ash and flocculant in the water body, and arrange micro-bubble generating device in the water body, the throwing amount of plant ash is 27g / L, and the dosage of flocculant is 19g / L After 3 to 5 days, mechanically remove the floating objects on the surface of the water body; then add 64mg / L of chemical algicide; then add 57mg / L of coagulant to adjust the pH of the water body to 6.8; then add blue vitriol, The amount of blue alum added is 2.8g / L; finally, floating plants are planted on the surface of the water body, and are removed mechanically after the growth period.

[0059] After being treated by the method of the present invention, the water body is clear and tra...

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Abstract

The invention is applicable to the technical field of water environments, and provides a method for controlling hypertrophy of green algae. The method comprises the following steps: 1, primarily treating the green algae: throwing plant ash and a flocculant into water, arranging a micro-bubble generating device in the water, and mechanically removing aquatic floats on the surface of the water 3-5 days after the throwing of the plant ash; 2, finely treating the green algae: adding a chemical algaecide to the primarily treated water; 3, carrying out organic matter treatment: adding a coagulant tothe finely treated water, and adding blue vitriol to the water; and 4, planting floating plants: planting the floating plants on the surface of the water subjected to the organic matter treatment. The method can comprehensively and thoroughly control the green algae in the water, has few damages to the water, and achieves the overall improvement of the quality of the water.

Description

technical field [0001] The invention relates to the technical field of water body environment treatment, in particular to a method for controlling overgrowth of green algae. Background technique [0002] Due to excessive nitrogen, phosphorus and other nutrient elements, a large number of algae blooms in surface waters, often forming a thick floating layer of algae on the water surface, which greatly deteriorates the water environment, and also leads to fishy water and a large number of deaths of aquatic animals. [0003] Chlorella is a common aquatic algae, its excessive reproduction will make it difficult for sunlight to penetrate the water layer, affect the photosynthesis of plants in the water, and may also cause the supersaturation of dissolved oxygen in the upper layer of the water area and the lack of dissolved oxygen in the bottom layer, affecting aquatic animals Normal growth and reproduction. In addition, algae will release algal toxins during metabolism or after al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/16
Inventor 崔潇月
Owner 崔潇月
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