Aerugo microcapsule algae degradation method using animalcule

A microcystis aeruginosa and microbial degradation technology, applied in the field of environmental protection, can solve the problems of low efficiency of physical methods, large footprint, secondary pollution, etc.

Inactive Publication Date: 2008-03-12
FUDAN UNIV
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Problems solved by technology

Physical methods have the disadvantages of low efficiency and high cost; although chemical methods are effective, they often cause secondary pollution; conventional biological pretreatmen

Method used

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  • Aerugo microcapsule algae degradation method using animalcule

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Embodiment 1

[0018] In this example, the deep eutrophic water body of Huansha Lake in Huangxing Park, Shanghai was used as the source of isolation of algae-dissolving bacteria. After repeated purification and separation using the coating plate and partition marking method, the 18 isolated bacteria were placed in 200mL liquid respectively. Medium, 200r·min -1 , cultivated at 35°C for 2 days, and then added 100mL of water samples containing Microcystis aeruginosa to investigate and compare the algicidal effects of various bacteria, and finally screened out the strain FD01 with higher algicidal efficiency. After being identified as Brevibacillus spp., named Brevibacillus spp.FDK2, it was inserted into the slant medium and stored in the refrigerator at 4°C.

[0019] Bacteria were cultured using beef extract peptone medium. Among them, the composition of 1000mL liquid medium is as follows: 1) beef extract 3.0g; 2) peptone 10.0g; 3) NaCl 5.0g; 4) H 2 O 1000ml; 5) pH 7.4-7.6. The composition of...

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Abstract

The present invention belongs to the technical field of environment protection, in particular to a method to degrade Microcystic aeruginosa through microorganisms. The method is that firstly an algae-lysing bacterial strain Brevibacillus spp.FDK2 can be achieved by separating from and sublimating deep eutrophication urban lake water body;the algae-lysing bacterial strain Brevibacillus spp.FDK2 is cultured by a culture medium to acquire bacterial liquid with a certain concentration. The bacterial liquid is added into a water sample containing Microcystic aeruginosa. Under a certain condition, the bacterial strain has a good degrading effect on the Microcystic aeruginosa. The degrading removing rate is more than 90 percent.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a method for degrading Microcystis aeruginosa by using microorganisms. Background technique [0002] In recent years, with the rapid development of industry and agriculture, especially the large increase in the amount of phosphorus-containing detergents, a large amount of nutrients, such as nitrogen and phosphorus, have been discharged, resulting in a large number of algae blooms, which gather on the water surface to form large blooms (lakes) and red tides. (ocean). According to the survey, more than 90% of lakes in our country have reached mesotrophic state or eutrophic state. Eutrophication will lead to the proliferation of algae and other microorganisms. First, it will color the surface of the water body and cause color pollution. Especially when the algae is high, the water surface will be yellow-green, which will affect the photosynthesis of und...

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Application Information

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IPC IPC(8): C02F3/34C12N1/20C12R1/07
Inventor 樊正球母锐敏王祥荣
Owner FUDAN UNIV
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