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Integrated reactor for removing trace antibiotics in composite polluted surface water and removing method of integrated reactor

A technology for compound pollution and surface water, applied in the field of environmental pollution control, can solve the problems of limited removal capacity of trace organics with small molecular weight, etc., and achieve the effects of low operating cost, high degree of automation, and improved removal efficiency.

Active Publication Date: 2019-08-02
NANJING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has limited removal ability for small molecular weight trace organics

Method used

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  • Integrated reactor for removing trace antibiotics in composite polluted surface water and removing method of integrated reactor
  • Integrated reactor for removing trace antibiotics in composite polluted surface water and removing method of integrated reactor
  • Integrated reactor for removing trace antibiotics in composite polluted surface water and removing method of integrated reactor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Such as figure 1 As shown, an integrated reactor for removing trace antibiotics in complex polluted surface water, including a feed pump 1 connected in sequence, a first conventional flocculation tank 6, a second conventional flocculation tank 7, a carrier flocculation mixing tank 8, a carrier flocculation tank Reaction tank 9, inclined plate settling tank 11, ultrafiltration tank 12; the lower end of the first conventional flocculation tank 6 communicates with the lower end of the second conventional flocculation tank 7, and the upper end of the second conventional flocculation tank 7 communicates with the carrier flocculation mixing tank 8, and the water overflows Enter the carrier flocculation mixing tank 8 in the same way, the carrier flocculation mixing tank 8 communicates with the lower end of the carrier flocculation reaction tank 9, the carrier flocculation reaction tank 9 communicates with the upper end of the inclined plate settling tank 11, and the inclined pl...

Embodiment 2

[0049] Establish the integrated reactor of embodiment 1 to carry out the removal method of trace antibiotics in complex polluted surface water: inject complex polluted surface water into the first conventional flocculation tank 6 by feed pump 1, the inflow flow is 11.1ml / min, and At the same time, open the flocculant feed valve 18 and use the flocculant dosing pump 20 to inject the alum in the inorganic flocculant storage tank 3 into the first flocculation tank 6, the dosage of alum is 10ppm, and start the mechanical agitator 2 to stir The rotation speed of the device is 200r / min, so that the composite polluted surface water and alum are fully mixed and flocculation occurs, and the surface water treated by the first conventional flocculation tank 6 flows into the second conventional flocculation tank 7 from the connection between the lower ends of the two tanks, When the water flows in, open the flocculant feed valve 18 and use the flocculant dosing pump 20 to add polyacrylamid...

Embodiment 3

[0054] Establish the integrated reactor of embodiment 1 to carry out the removal method of trace antibiotics in complex polluted surface water: inject complex polluted surface water into the first conventional flocculation tank 6 through feed pump 1, and the influent flow rate is 8.33ml / min, at the same time, open the flocculant feed valve 18 and use the flocculant dosing pump 20 to inject the alum in the inorganic flocculant storage tank 3 into the first flocculation tank, the dosage of alum is 15ppm, and start the mechanical agitator 2 , the stirring speed of the agitator is 180r / min, so that the composite polluted surface water and alum are fully mixed and flocculation occurs, and the surface water treated by the first conventional flocculation tank 6 flows into the second conventional flocculation tank 7 from the connection of the lower ends of the two ponds , open the flocculant feed valve 18 when the surface water flows in, use the flocculant dosing pump 20 to add polyac...

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Abstract

The invention discloses an integrated reactor for removing trace antibiotics in composite polluted surface water and a removing method of the integrated reactor. The reactor comprises a feeding pump,a first conventional flocculation tank, a second conventional flocculation tank, a carrier flocculation mixing tank, a carrier flocculation reaction tank, an inclined plate settling tank and an ultra-filtration tank which are sequentially connected; sludge discharge pipes are separately arranged on the bottoms of the first conventional flocculation tank, the second conventional flocculation tank,the carrier flocculation mixing tank, the carrier flocculation reaction tank, the inclined plate settling tank and the ultra-filtration tank; each sludge discharge pipe is connected with a hydrocyclone through a sludge circulating pump; and each hydrocyclone is positioned above the carrier flocculation mixing tank. According to the reactor disclosed by the invention, conventional flocculation, carrier flocculation, inclined plate sedimentation, ultrafiltration membrane filtration and the like are combined, the trace antibiotics in the composite polluted surface water are removed through the synergistic effect among different devices, and meanwhile, removal of conventional pollutants is ensured; and the whole reactor is small in occupied area, low in running cost, high in automation degreeand convenient to operate and manage.

Description

technical field [0001] The invention belongs to environmental pollution control, and in particular relates to an integrated reactor for removing trace antibiotics in complex polluted surface water and a removal method thereof. Background technique [0002] In recent years, due to the abuse of antibiotics in human medical treatment and livestock and poultry breeding industries, the used antibiotics directly or indirectly enter the environment in the form of parent or metabolites, posing a potential threat to human health and the ecological environment. Environmental residues of antibiotics accelerate the development and spread of bacterial resistance, which has become a global environmental health problem. [0003] In essence, microfiltration and ultrafiltration technologies are not advanced treatment technologies for complex polluted surface water; although nanofiltration or reverse osmosis can greatly improve the removal capacity of organic matter, they have the disadvantag...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F101/38
CPCC02F9/00C02F1/5236C02F1/56C02F1/444C02F2301/08C02F1/38C02F2101/40C02F2101/38
Inventor 杨朕杨维本王亚东侯天阳沈健赵丽娜陈静怡
Owner NANJING NORMAL UNIVERSITY
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