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Medical wastewater treatment method integrating ozone disinfection and enhanced antibiotic drug degradation

A technology for wastewater treatment and ozone disinfection, which is used in the treatment of pathogenic microorganism wastewater, chemical instruments and methods, water/sludge/sewage treatment, etc. problem, to achieve the effect of short adhesion time, long-lasting ozone protection and enhanced degradation

Active Publication Date: 2020-07-24
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method will bring about a problem. The imported sludge will carry a large number of pathogens, forming a dead end for epidemic prevention. It is impossible to achieve the whole process of disinfection and epidemic prevention. If a large amount of sludge is disinfected separately, the economic cost is huge, and the disinfection cannot be guaranteed. Effect

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  • Medical wastewater treatment method integrating ozone disinfection and enhanced antibiotic drug degradation
  • Medical wastewater treatment method integrating ozone disinfection and enhanced antibiotic drug degradation

Examples

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Effect test

Embodiment 1

[0024] Such as Figure 1 to Figure 2 Shown, a kind of medical wastewater treatment method of integrated ozone disinfection and strengthened antibiotics degradation, described method adopts integrated ozone disinfection and the medical wastewater treatment device of strengthened antibiotics degradation to carry out;

[0025] The medical wastewater treatment plant includes for A 2 Anaerobic pond, anoxic pond, aerobic pond, sedimentation pond in the / O process, and the magnetic nano ozone bubble water preparation system for producing magnetic nano ozone bubble water, said magnetic nano ozone bubble water preparation system includes ozone generation device 1, nano-bubble generator 2 and ozone contact chamber 3, the ozone generator 1 is connected with one end of the nano-bubble generator 2, and the nano-bubble generator 2 is used to generate a diameter of 10-100nm, a 500mL graduated cylinder Time is the nano bubble of 330~370s, the top of described ozone contact chamber 3 is conne...

Embodiment 2

[0029] A medical wastewater treatment method that integrates ozone disinfection and enhanced degradation of antibiotics; the treatment method uses a medical wastewater treatment device that integrates ozone disinfection and enhanced degradation of antibiotics, and the medical wastewater treatment device is the same as that of Example 1 Same, the only difference is that the magnetic field strength of the external magnetic field 9 is 10mT, and the magnetization time of the external magnetic field 9 is 60min / d;

[0030] The steps of the treatment method are as follows: the ozone generated by the ozone generator 1 is processed by the nano-bubble generator 2 to produce nano-ozone bubbles with a diameter of 10-100 nm and a residence time of 330 s in a 500 mL graduated cylinder, and enter the ozone contact chamber 3. 9 and under the action of a magnetic catalyst, the nano-ozone bubbles entering the ozone contact chamber 3 are dissolved in the effluent of the sedimentation tank enterin...

Embodiment 3

[0033] A medical wastewater treatment method that integrates ozone disinfection and enhanced degradation of antibiotics; the treatment method uses a medical wastewater treatment device that integrates ozone disinfection and enhanced degradation of antibiotics, and the medical wastewater treatment device is the same as that of Example 1 Same, the only difference is that the magnetic field strength of the external magnetic field 9 is 15mT, and the magnetization time of the external magnetic field 9 is 50min / d;

[0034] The steps of the treatment method are as follows: the ozone generated by the ozone generator 1 is processed by the nano-bubble generator 2 to produce nano-ozone bubbles with a diameter of 10-100 nm and a residence time of 370 s in a 500 mL graduated cylinder, and enter the ozone contact chamber 3, and then apply a magnetic field 9 and under the action of a magnetic catalyst, the nano-ozone bubbles entering the ozone contact chamber 3 are dissolved in the effluent o...

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Abstract

The invention relates to a medical wastewater treatment method integrating ozone disinfection and enhanced antibiotic drug degradation, and belongs to the technical field of medical wastewater treatment. The method is carried out by adopting an integrated ozone disinfection and enhanced antibiotic drug degradation medical wastewater treatment device. The treatment device comprises an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank in the A2 / O process, and a magnetic nano ozone bubble water preparation system used for generating magnetic nano ozone bubble water; the method comprises the following steps: effluent in the A2 / O process is treated by a magnetic nano ozone bubble water preparation system to generate magnetic nano ozone bubble water; magnetic nano ozone bubble water is injected into return sludge in the A2 / O process, and the magnetic nano ozone bubble water carries the return sludge to enter the anaerobic tank, the anoxic tank, the aerobic tank and thesedimentation tank for circulation by utilizing the adhesion characteristics of magnetism and nano bubbles. Full-process disinfection and epidemic prevention of medical wastewater treatment can be realized, and antibiotic drug degradation and sludge in-situ recessive reduction are enhanced.

Description

technical field [0001] The invention relates to a medical wastewater treatment method, in particular to a medical wastewater treatment method that integrates ozone disinfection and enhanced degradation of antibiotics, and belongs to the technical field of medical wastewater treatment. Background technique [0002] Existing A for medical wastewater treatment 2 / O process includes anaerobic pond, anoxic pond, aerobic pond, sedimentation pond, existing A 2 When the O process is in operation, the raw sewage and the return sludge discharged from the sedimentation tank enter the anaerobic tank simultaneously for phosphorus release, and at the same time part of the organic matter undergoes ammonification, and the sewage is treated in the anaerobic tank and then enters the anoxic tank for denitrification and denitrification. , the nitrate nitrogen in the anoxic pool is sent from the aerobic pool through the internal circulation, and the mixed solution treated in the anoxic pool ent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F1/50C02F101/30
CPCC02F1/50C02F3/30C02F2101/30C02F2103/003
Inventor 董滨李昕沈丹妮
Owner TONGJI UNIV
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