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A photocatalysis-microbial degradation composite water treatment device and a photocatalysis-microbial degradation composite water treatment method

A technology of microbial degradation and water treatment device, applied in the field of sewage treatment, can solve the problems of low sewage treatment efficiency, high cost, secondary pollution, etc. improved effect

Active Publication Date: 2020-08-04
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The methods of sewage treatment in the prior art include aeration, sedimentation, and filtration treatment of sewage respectively. The equipment used is complex in structure, high in cost, and the sewage treatment efficiency is not high; it can also be treated by adding drugs to sewage, although The drug dosing method is simple and easy, and the cost is relatively low, but it cannot be recycled, which is likely to cause secondary pollution

Method used

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  • A photocatalysis-microbial degradation composite water treatment device and a photocatalysis-microbial degradation composite water treatment method
  • A photocatalysis-microbial degradation composite water treatment device and a photocatalysis-microbial degradation composite water treatment method

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preparation example Construction

[0058] The present invention has no special requirements for the preparation method of the photocatalytic fiber fabric, which is prepared from the photocatalytic fiber material in a manner well known to those skilled in the art; Catalytic fiber fabric consistent.

[0059] In the present invention, the photocatalytic fiber material is preferably prepared according to the preparation method of the photocatalytic fiber disclosed in Chinese patents CN201610693412.7, CN201610696643.3 or CN201610693428.8; further, the photocatalytic fiber is specifically Chinese The skin-core composite photocatalytic fiber disclosed in patent CN201610693412.7, the composite photocatalytic fiber disclosed in Chinese patent CN201610696643.3 or the photocatalytic fiber disclosed in Chinese patent CN201610693428.8.

[0060] In the present invention, after being impacted by a water velocity of 2.8m / s for 24 hours, the macroscopic appearance and tensile breaking strength of the photocatalytic fiber fabric...

Embodiment 1

[0085] like figure 1 and figure 2As shown, the photocatalytic-microbial degradation composite water treatment device provided in this embodiment includes photocatalytic fiber fabric 1, floating ball 2, fixed buckle 3, fixed rope 4, support bar 5, pull rope 6, fixed pile 7, suspension Packing 8, lanyard 9 and fixing clip 10. Both sides of the photocatalytic fiber fabric 1 are connected to the two fixed ropes 4 through the fixed buckle 3, and at the same time, the two ends of the support bars 5 arranged in parallel are connected to the two fixed ropes to form a "day" character positioning unit to realize The positioning of the photocatalytic fiber fabric 1; the floating balls 2 arranged at intervals are connected to the photocatalytic fiber fabric 1 to support the photocatalytic fiber fabric; the two ends of each support bar 5 are connected to the suspended filler 8 by a hanging rope 9, The suspended filler 8 is fixed on the hanging rope 9 through the fixing clip 10; the fixi...

Embodiment 2

[0088] In this example, a pond in Shaoxing City is selected, and the water area is about 200m 2 , the wastewater quality is as follows: COD is 38mg / L, BOD 5 The ammonia nitrogen is 18mg / L, the ammonia nitrogen is 2.8mg / L, and the total phosphorus is 0.8mg / L. One of the devices in Example 1 is used to place in the waters, and the photocatalyst fiber fabric component photocatalyst is a titanium dioxide-like graphite phase carbon nitride-metal phthalocyanine composite, wherein titanium dioxide, graphite-like carbon nitride and metal phthalocyanine The mass ratio of cyanine is 60:35:5, and titanium dioxide is a mixture of anatase type and rutile type; the form of photocatalytic fiber fabric is knitted fabric; the fiber material of photocatalytic fiber fabric component is polyester fiber; photocatalytic fiber fabric The mass ratio of photocatalyst and polyester fiber material is 2:91. The material of the carbon fiber is polyacrylonitrile-based carbon fiber.

[0089] After 15 day...

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Abstract

The invention provides a photocatalytic-microorganism degradation composite water treatment device and a photocatalytic-microorganism degradation composite water treatment method. According to the device and the method, sewage is purified by the aid of synergistic effect of photocatalysis and microorganism degradation, and the sewage purification efficiency is improved. A photocatalytic fiber fabric in the device can float the surface of a water body, sunlight serves as driving force, organic pollutants are effectively catalyzed and degraded by the aid of affinities of the photocatalytic fiberfabric and the organic pollutants, and the organic pollutants degraded into water can be adsorbed by suspended fillers. Experiment results that the photocatalytic-microorganism degradation compositewater treatment device remarkably reduces the content of the organic pollutants in sewage, sewage transparency (SS) can be improved, sewage COD (chemical oxygen demand) and BOD (biochemical oxygen demand) is reduced, and total nitrogen and total phosphorus are greatly improved.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a photocatalysis-microbial degradation composite water treatment device and a photocatalysis-microbial degradation composite water treatment method. Background technique [0002] With the acceleration of urbanization and industrialization, the pollution of water resources in my country is becoming increasingly serious. The treatment of sewage has become one of the major problems to be solved urgently in contemporary environmental work. The methods of sewage treatment in the prior art include aeration, sedimentation, and filtration treatment of sewage respectively. The equipment used is complex in structure, high in cost, and the sewage treatment efficiency is not high; it can also be treated by adding drugs to sewage, although The drug dosing method is simple and easy, and the cost is relatively low, but it cannot be recycled, which is likely to cause secondary pollutio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/34C02F1/30C02F1/28C02F101/16C02F101/30
CPCC02F1/28C02F1/30C02F3/34C02F2101/16C02F2101/30
Inventor 吕汪洋陈怡陈文兴
Owner ZHEJIANG SCI-TECH UNIV
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