Uses of a strain of Klebsiella

A kind of Klebsiella, the technology of application, applied in the direction of bacteria, microorganism-based methods, water/sludge/sewage treatment, etc., can solve the problem of removing antibiotic pollutants and so on

Active Publication Date: 2018-03-13
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the current sewage treatment process cannot completely and effectively remove antibiotic pollutants, some undegraded pharmaceutical active ingredients are finally discharged into natural water bodies with the treated sewage, or adsorbed on activated sludge, and finally enter the natural environment through agricultural production activities such as fertilization. environment, so it is imminent to find a new method to deal with antibiotics in water

Method used

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  • Uses of a strain of Klebsiella

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specific Embodiment approach 1

[0010] Specific embodiment one: the purposes of a Klebsiella strain of the present embodiment, it is used for removing tetracycline in water, and described Klebsiella is Klebsiella ( Klebsiella sp. ) MFX strain.

specific Embodiment approach 2

[0011] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the bacterial strain is Klebsiella ( Klebsiella sp. ) MFX strain, preservation number: CGMCC No. 6243, preservation unit: General Microbiology Center of China Committee for Culture Collection of Microorganisms, preservation address: No. 1, Beichen West Road, Chaoyang District, Beijing, China, preservation date: 06 June 2012 20th. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0012] Specific embodiment three: the difference between this embodiment and specific embodiment one is: the concrete operation that Klebsiella is used to remove tetracycline in water is as follows:

[0013] 1. Add microbial flocculant and coagulant aid to tetracycline water to obtain a mixed solution; wherein, the volume ratio of microbial flocculant to tetracycline water is 3:100; the volume ratio of coagulant aid to tetracycline water is 9:10000;

[0014] 2. After adjusting the pH value of the mixed solution, put it into a shaker, shake it for 0.1~90 minutes, take it out and let it stand for 5 minutes, it is completed;

[0015] Among them, the preparation process of the microbial flocculant is as follows: mix the dry powder of the microbial flocculant MFX with distilled water according to the mass-volume ratio of 1 g: 480-520 mL, place it on a magnetic stirrer, and obtain a concentration of 2.0 g / L after stirring. Microbial flocculant; described microbial flocculant MFX dry...

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Abstract

The invention relates to the use of a strain of Klebsiella, which relates to the use of a strain of Klebsiella. The bacterial strain of the present invention is used for removing tetracycline from water. The removal rate of tetracycline by using the Klebsiella sp. MFX strain of the present invention can reach 71.68%.

Description

technical field [0001] The present invention relates to the use of a strain of Klebsiella. Background technique [0002] In the late 1990s, as a new type of pollutant in the environment, antibiotics began to attract widespread attention from foreign scholars for their environmental pollution and harm. Drugs for humans or animals are the main source of antibiotics. After the drugs are ingested by humans or animals, only a small part is actually metabolized, and most of them are excreted in the form of parent compounds or metabolites through animal feces and urine and enter the breeding wastewater Or in the surrounding water environment medium. The impact of antibiotic pollution in the water environment on human health is mainly manifested in the following two points: Pollution of drinking water and potential harm such as triple effects and intestinal flora imbalance; pollution of soil and food, and ultimately indirect harm to humans. Among them, antibiotics such as tetracyc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C02F3/34C12R1/22
Inventor 李昂皮姗姗庞长泷吴丹魏薇杨基先马放
Owner HARBIN INST OF TECH
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