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A Pseudomonas strain yg8, seed solution and preparation method and application thereof

A technology of Pseudomonas and Pseudomonas spp., applied in the field of microorganisms, can solve the problems of inhibiting the growth of strains and denitrification performance, and achieve a high removal rate effect

Active Publication Date: 2022-08-09
LONGYAN UNIV
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Problems solved by technology

[0005] The currently discovered heterotrophic nitrifying-aerobic denitrifying bacteria mainly include Bacillus, Alcaligenes, Paracoccus and Pseudomonas. Nitrite nitrogen has certain toxicity to microorganisms, which will inhibit the growth and denitrification performance of strains. Therefore, heterotrophic nitrification-aerobic denitrification can have high removal rates for ammonia nitrogen, nitrate nitrogen and nitrite nitrogen at the same time less strains

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  • A Pseudomonas strain yg8, seed solution and preparation method and application thereof
  • A Pseudomonas strain yg8, seed solution and preparation method and application thereof
  • A Pseudomonas strain yg8, seed solution and preparation method and application thereof

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Embodiment

[0061] A Pseudomonas strain YG8 of the present invention, the Pseudomonas strain YG8 (Pseudomonas mendocina YG8) is a heterotrophic nitrifying-aerobic denitrifying bacterium, preserved in the Guangdong Provincial Microbial Culture Collection Center, and the preservation time is 2018 On March 21, the deposit number was GDMCC NO: 60340.

[0062] 1) Bacteria isolation and screening

[0063] The above-mentioned Pseudomonas YG8 of the present embodiment is mainly obtained by screening the following methods:

[0064] 1.1) Primary screening

[0065] The activated sludge collected from the Longjin Sewage Treatment Plant in Longyan City, Fujian Province was added to a conical flask containing an enrichment medium containing glass beads for enrichment culture. After enrichment, the bacterial solution was diluted and spread on beef extract peptone solid plate. When a single colony grows, it is further streaked and purified. The purified strains were picked and placed in sterilized he...

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Abstract

The invention discloses a Pseudomonas strain YG8. The Pseudomonas strain YG8 (Pseudomonas mendocina YG8) is a heterotrophic nitrifying-aerobic denitrifying bacterium and is preserved in the Guangdong Provincial Microbial Culture Collection Center for a period of On March 21, 2018, the deposit number was GDMCC NO: 60340. The Pseudomonas strain YG8 has a high removal rate of ammonia nitrogen, nitrate nitrogen and nitrite nitrogen at the same time, which can provide inoculum resources for the biological treatment of complex nitrogenous wastewater, and has great application value.

Description

technical field [0001] The invention relates to the technical field of microorganisms, in particular to a Pseudomonas strain YG8, a seed solution and a preparation method and application thereof. Background technique [0002] With the rapid development of society and economy and the intensification of urbanization and industrialization, the prevention and control of water pollution has received more and more attention. How to solve the increasingly serious water eutrophication has become an important aspect of water pollution control. Eutrophication of water bodies harms the survival of aquatic organisms, affects the ecological environment, and increases the difficulty and cost of water treatment. High nitrate concentrations in drinking water can easily lead to methemoglobinemia. [0003] Biological denitrification technology is widely used due to its economical, efficient, easy operation, and no secondary pollution. The traditional theory holds that nitrification is the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C02F3/34C12R1/38
CPCC12N1/20C02F3/34C02F2101/16C12R2001/38C12N1/205Y02W10/10
Inventor 夏春雨孙巍杨雅玲洪维祎丁燕玲张丽娟黄燕高佳慧李金连王浩陈传志林剑南黄志君
Owner LONGYAN UNIV
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