A kind of Pseudomonas aeruginosa and application thereof

A technology of Pseudomonas aeruginosa and microbial strains, applied in the field of environment and biology, can solve the problems of difficult biodegradation of wastewater, affecting agricultural ecological balance, etc., and achieve the goal of reducing wastewater treatment costs, good development and application prospects, and low production costs Effect

Active Publication Date: 2016-01-20
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wastewater produced during the production of chlorpyrifos in my country will contain different concentrations of the original drug, making the wastewater difficu

Method used

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  • A kind of Pseudomonas aeruginosa and application thereof
  • A kind of Pseudomonas aeruginosa and application thereof
  • A kind of Pseudomonas aeruginosa and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The method of applying immobilized pellets to the degradation of chlorpyrifos: first activate the immobilized pellets by aeration in chlorpyrifos production wastewater for 12 hours. Under the conditions of ℃, pH value of 6.8, chlorpyrifos influent concentration of 200mg / L, and hydraulic retention time of 32h, 185mL of immobilized pellets were used to treat each liter of chlorpyrifos wastewater.

Embodiment 2

[0035] Firstly, the immobilized pellets were aerated in chlorpyrifos production wastewater for 12 hours for activation. During the activation process, the water temperature was 30°C, and the aeration rate was 1.2L / min; / L and hydraulic retention time of 32h, 185mL of immobilized pellets were used for each liter of chlorpyrifos wastewater.

Embodiment 3

[0037] First, aerate the immobilized pellets in chlorpyrifos production wastewater for 12 hours to activate. During the activation process, the water temperature is 28°C, and the aeration rate is 1.2L / min; / L and hydraulic retention time of 32h, 185mL of immobilized pellets were used for each liter of chlorpyrifos wastewater.

[0038] Adopt the method of above-mentioned embodiment 1-3 for the removal situation of chlorpyrifos as figure 2 As shown, the removal rate of chlorpyrifos is above 90%, which has a good removal effect.

[0039] Such as image 3 As shown, for the removal of chlorpyrifos at different influent concentrations, studies have shown that the removal rate of chlorpyrifos decreases with the increase of influent concentration. All have a high removal rate, which can reach more than 85%.

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Abstract

The invention discloses a pseudomanas aeruginosa. The pseudomonas aeruginosa is named as pseudomonas aeruginosa DSP-05 preserved in the general microorganism center of China Committee for Culture Collection of Microorganisms with the preservation number of CGMCC No.8390 and the preservation date of October 24, 2013. According to the invention, the pseudomanas aeruginosa is mainly applied to degradation of chlorpyrifos in wastewater, and suitable for popularization and utilization in treating the wastewater that contains chlorpyrifos; immobilized glomerular chlorpyrifos prepared by adopting bacterial strains has the advantages of better effect, low production cost, convenience for utilization and good removal effect; the pseudomonas aeruginosa plays an important role in protecting ecological environment and human health, and reducing the wastewater treatment cost; the pseudomonas aeruginosa DSP-05 is simple in culture condition and easy to keep and for industrial production, and has a good development and application prospect.

Description

technical field [0001] The invention belongs to the field of environment and biotechnology, and in particular relates to a Pseudomonas aeruginosa (Pseudomonasaeruginosa) DSP-05 and its application in the degradation of chlorpyrifos in chlorpyrifos production wastewater. Background technique [0002] Organophosphorus pesticides (Organophosphate pesticides OPs) are widely used in agriculture as insecticides, and are the main category of pesticides today. They have been produced in large quantities and widely used at home and abroad for a long time. Organophosphorus pesticides are mutagenic and teratogenic, and are mostly related to mammalian nervous and immune system diseases such as mad cow disease, Creutzfeldt-Jakob disease, Gulf War syndrome, and Parkinson's syndrome. Organophosphorus pesticides remaining on vegetables, fruits, and animal foods have different degrees of toxicity to humans because they can inhibit the function of acetylcholinesterase in the human body. Among...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N11/10C12N11/04C02F3/34C12R1/385C02F101/38
Inventor 何任红马爱军
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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