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New application of Klebsiella sp.

A Klebsiella, new-purpose technology, applied in a new application field of Klebsiella, can solve the problem of removing antibiotic pollutants, etc.

Active Publication Date: 2015-12-09
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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  • New application of Klebsiella sp.

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Experimental program
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Effect test

specific Embodiment approach 1

[0010] Embodiment 1: The new application of a strain of Klebsiella in this embodiment, which is used to remove tetracycline in water, and the Klebsiella is 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 sp. (Klebsiella sp.) MFX strain, preservation number: CGMCCNo.6243, depository unit is: China Committee for the Preservation of Microorganisms Ordinary Microbiology Center, the preservation address is: Courtyard No. 1, Beichen West Road, Chaoyang District, Beijing, China, and the preservation date is: June 20, 2012. 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 1g: 480-520mL, place it on a magnetic stirrer, and obtain a microbial concentration of 2.0g / L after stirring. Flocculant; the microbial flocculant MFX dry powder i...

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Abstract

The invention relates to new application of Klebsiella sp.. Strains are used for removing tetracycline in water. The tetracycline removal rate of the Klebsiella sp. MFX strains can reach 71.68%.

Description

technical field [0001] The present invention relates to a new application 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 tetracyclin...

Claims

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Application Information

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IPC IPC(8): C02F3/34
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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