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Inhibitors for the treatment of Microcystis aeruginosa and methods for their preparation and use

A technology of Microcystis aeruginosa and Microcystis aeruginosa algal liquid, applied in the directions of botanical equipment and methods, chemicals for biological control, herbicides and algicides, etc. People's lives, algae overgrowth and other problems, to achieve obvious inhibitory effect, obvious inhibitory effect, suitable for large-scale promotion of production and use

Inactive Publication Date: 2019-08-20
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after the artificial lake was built, human activities made the water body eutrophic, causing excessive algae reproduction, water quality deterioration, and "water blooms", which not only failed to beautify life, but seriously affected people's life

Method used

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  • Inhibitors for the treatment of Microcystis aeruginosa and methods for their preparation and use
  • Inhibitors for the treatment of Microcystis aeruginosa and methods for their preparation and use
  • Inhibitors for the treatment of Microcystis aeruginosa and methods for their preparation and use

Examples

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preparation example Construction

[0046] A preparation method for an inhibitor of Microcystis aeruginosa control, mainly comprising the following steps:

[0047] Step 1, picking and washing the leaves of Buxus poplar, drying them until the water content is 5-8%, and crushing the dried leaves to 50-100 mesh to obtain leaf powder of Box poplar;

[0048] Step 2, taking 5-10 parts by weight of the leaf powder of Populus cuspidatum and adding it into 500-1000 parts by weight of sterile distilled water, stirring evenly and heating to boiling for 1 hour, then suctioning and filtering the supernatant to obtain a crude leaf extract;

[0049] Step 3, adding 0.08-0.3 parts by weight of sodium carbonate to the leaf crude extract, stirring evenly, and filtering the precipitate to obtain a secondary leaf crude extract;

[0050] Step 4, adding 0.1-0.4 parts by weight of sodium nitrate and 0.08-0.3 parts by weight of flocculant to the crude extract of the secondary leaves, stirring until the sodium nitrate and flocculant are ...

Embodiment 1

[0064] A preparation method for an inhibitor of Microcystis aeruginosa control, mainly comprising the following steps:

[0065] Step 1, picking and washing the leaves of Buxus poplar, drying them until the water content is 7%, and crushing the dried leaves to 60 mesh to obtain leaf powder of Box poplar;

[0066] Step 2, taking 10 parts by weight of the leaf powder of Populus cuspidatum and adding it into 1000 parts by weight of sterile distilled water, stirring evenly and heating to boiling for 1 hour, then suctioning and filtering the supernatant to obtain a crude leaf extract;

[0067] Step 3, adding 0.2 parts by weight of sodium carbonate to the leaf crude extract, stirring evenly, and filtering the precipitate to obtain a secondary leaf crude extract;

[0068] Step 4. Add 0.3 parts by weight of sodium nitrate and 0.2 parts by weight of flocculant to the crude extract of the second-stage leaves, stir until the sodium nitrate and the flocculant are completely dissolved, and ...

Embodiment 2

[0072] A preparation method for an inhibitor of Microcystis aeruginosa control, mainly comprising the following steps:

[0073] Step 1, picking and washing the leaves of Buxus poplar, drying them until the water content is 7%, and crushing the dried leaves to 60 mesh to obtain leaf powder of Box poplar;

[0074] Step 2, the parts by weight are respectively Dandelion 30, Viola 20, Lobelia 20, Prunella vulgaris 15, Neem bark 10, Motherwort 30, Centipeda 15, Epimedium 20, Bluegrass 15, Artemisia annua 20, dog The traditional Chinese medicines of tongue grass 20, Kochia scoparia 15 and plantain 20 are mixed and pulverized to 70 mesh to obtain auxiliary material powder;

[0075] Step 3, taking 10 parts by weight of the leaf powder of Populus poplar and 1.5 parts by weight of the auxiliary material powder and adding it into 1000 parts by weight of sterile distilled water, stirring evenly and heating to boiling for 1 hour, then suctioning and filtering the supernatant to obtain a cru...

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Abstract

The invention discloses an inhibitor for microcystis aeruginosa control. The inhibitor is mainly prepared from the following raw materials in parts by weight: 75-90 parts of buxus sinica water extract, 3-8 parts of sodium nitrate, 3-5 parts of sodium carbonate and 3-5 parts of flocculant, and has a pH value of 8.5. The main component of the inhibitor is extracted from leaves of buxus sinica with low cost and quick response, has a remarkable effect for inhibiting microcystis aeruginosa, does not pollute the water body, and is safe and environment-friendly. Furthermore, in the preparation method of the inhibitor, the leaves of buxus sinica are dried, ground and extract, and are mixed with other raw materials, and the preparation method is simple and easy to understand, and is suitable for large-scale production and application. Furthermore, a certain amount of traditional Chinese medicinal ingredients are added into the inhibitor, so that the water can be sterilized and purified while the effect for inhibiting microcystis aeruginosa is improved.

Description

technical field [0001] The invention relates to the technical field of preparation of algae inhibitors, in particular to an inhibitor used for the control of Microcystis aeruginosa and its preparation method and use method. Background technique [0002] In recent years, in order to improve the cultural environment and enhance the city's taste, artificial lakes have become the primary choice in urban planning and development. However, after the artificial lake was built, human activities made the water body eutrophic, causing excessive algae growth, deteriorating water quality, and "water blooms", which not only failed to beautify life, but seriously affected people's life. Bloom algae such as Microcystis viridis, M. wesenbergii, Anabaena, Nostoc, Oscillatoria, etc. can also produce algal toxins, of which micro Cystin (MC) is the most widely distributed and most harmful toxin. It is hepatotoxic and can cause acute poisoning in animals and humans. Long-term exposure can induc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/08A01N65/46A01N59/00A01P13/00A01P1/00C02F1/50
Inventor 王梅梅熊亚南章广玲侯晓丽孔艺璇张海东
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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