CN105439378A - Novel advanced oxidation coupling deep biochemical treatment wastewater system - Google Patents
Novel advanced oxidation coupling deep biochemical treatment wastewater system Download PDFInfo
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- CN105439378A CN105439378A CN201510882911.6A CN201510882911A CN105439378A CN 105439378 A CN105439378 A CN 105439378A CN 201510882911 A CN201510882911 A CN 201510882911A CN 105439378 A CN105439378 A CN 105439378A
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- pipeline
- advanced oxidation
- ultraviolet
- reaction tank
- membrane filter
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Abstract
A novel advanced oxidation coupling deep biochemical treatment wastewater system comprises an ultraviolet (UV) device, a biochemical reaction pool and a membrane filter device. The UV device comprises a box body. A water inlet pipeline is arranged on one side of the box body. A water drainage pipeline is arranged at the bottom end of the box body. A water outlet pipeline is arranged on the other side of the box body and connected with the water inlet of the biochemical reaction pool. A catalyst reaction tank is arranged on one side of the water inlet of the biochemical reaction pool. A catalyst is arranged in the catalyst reaction tank. A liquid outlet is formed in the portion, close to the top end, of the other side of the biochemical reaction pool and is connected with the membrane filter device through a liquid outlet pipeline. A discharge pipeline is arranged on the membrane filter device. The membrane filter device is additionally provided with a backflow virus killing pipeline connected with the UV device. The system is simple, the occupied area is small, wastewater can be deeply treated, and the treatment efficiency is greatly improved.
Description
Technical field
The present invention relates to sewage treatment area.
Background technology
The reaction of light advanced oxidation is used alone UV technology water molecules to be cracked into the progradation that hydroxyl radical free radical removes minimizing total organic carbon (TOC).The generation of hydroxyl radical free radical (OH) needs one or more primary oxidizers (normally ozone or hydrogen peroxide), and is reacted by ultraviolet.This active substance is the strongest oxygenant, can react in water, and the compound of almost any kind in oxidizing water.Hydroxyl radical free radical is non-selective reaction, once be formed, pollutent will be split into inorganic molecules rapidly.Generally speaking, strictly will control reaction conditions in application process, the Pollutant levels of hundreds of PPM can be reduced to 5ppb by light high-level oxidation technology.Whole process often causes the mineralising of pollutent (as: changing into carbonic acid gas, water and mineral acid).The reason that this process is called as " senior " is that the W-response of pollutent is the same with when occurring in nature slowly degrades the reaction occurred, and just process is accelerated.Light advanced oxidation is all used to process industrial & municipal wastewater usually, removes biotoxin wherein and nondegradable material, as aromatic substance, and agricultural chemicals, petroleum components and volatile organic compounds.The existing system also not utilizing this principle to dispose of sewage on the market.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of system simple, floor space is little, can advanced treatment of waste water, greatly improves the advanced oxidation coupling depth biochemical treatment waste water system of processing efficiency.
For realizing the object of the invention, provide following technical scheme: a kind of advanced oxidation coupling depth biochemical treatment waste water system, it is characterized in that comprising ultraviolet (UV) device, biochemical reaction tank, membrane filter appts, ultraviolet (UV) device comprises casing, casing side is provided with inlet channel, casing bottom is provided with drainage pipeline, casing opposite side is provided with outlet conduit and connects biochemical reaction tank water-in, biochemical reaction tank water-in side is provided with catalyst reaction groove, catalyzer is provided with in catalyst reaction groove, the nearly top of biochemical reaction tank opposite side is provided with liquid outlet, liquid outlet is by fluid pipeline junctional membrane filtration unit, membrane filter appts is provided with discharge tube, membrane filter appts is separately provided with backflow virus killing pipeline and connects ultraviolet (UV) device.
As preferably, ultraviolet (UV) device ultraviolet wavelength is 254 nanometers.Ultraviolet (UV) is a kind of without chemistry, the physical sterilization technology of non-environmental-pollution, there is very high sterilising effect, usual once-through UV system can reduce the sulphate reducing bacteria (SRB) of logarithmic function on the 5th growth (99.999%), different from chemosterilization, do not have known microorganism can to grow having under ultraviolet condition.
As preferably, biochemical reaction tank is sealing pond body, pond body is provided with ozonation aerated pipeline or hydrogen peroxide input channel.
As preferably, catalyzer is nano level composite particles, outside coating titanium dioxide.
As preferably, outlet conduit, drainage pipeline, inlet channel, fluid pipeline, discharge tube and backflow virus killing pipeline are provided with valve.
Beneficial effect of the present invention: the present invention is by uv photoxidation and special catalyzer combined action, improve the biodegradability energy of waste water, kill the sulfatereducting bacteria in water body simultaneously, saprophytic microorganism, iron bacteria etc. easily causes the flora of corrosion and impact on system, once-through ultraviolet dosage is 37MJ/cm
2, the burn into hydrogen sulfide that microorganism causes can be reduced and make water body environment souring, the explosion-proof type hazardous location risk caused, pernicious biological competition etc.; Microorganism aerobic biochemical treatment is adopted in last part technology, the microorganism added to be oil removing be main Zoogloea genuss, bacillus cereus, Pseudomonas alcaligenes combine bacterium, with the combination bacterium of the short shape bacillus based on degradable organic pollutant, Bacillus licheniformis, subtilis, pseudomonas, make system degradation property more stable, in conjunction with subsequent filter process, make water outlet qualified discharge.Be applicable to: draining outside oil field reinjection water, oil field, oil refining wastewater, trade effluent, electroplating wastewater, pharmacy waste water, high concentrated organic wastewater, food wastewater, sanitary sewage, percolate etc.
Accompanying drawing explanation
Fig. 1 is the system schematic of embodiment 1.
Fig. 2 is the system schematic of embodiment 2.
Embodiment
Embodiment 1: a kind of advanced oxidation coupling depth biochemical treatment waste water system, comprise ultraviolet (UV) device 1, biochemical reaction tank 2, membrane filter appts 3, ultraviolet (UV) device 1 comprises casing 1.1, casing 1.1 side is provided with inlet channel 1.2, casing 1.1 bottom is provided with drainage pipeline 1.3, casing 1.1 opposite side is provided with outlet conduit 4 and connects biochemical reaction tank 2 water-in 2.1, biochemical reaction tank 2 water-in 2.1 side is provided with catalyst reaction groove 5, catalyzer 6 is provided with in catalyst reaction groove 5, the nearly top of biochemical reaction tank 2 opposite side is provided with liquid outlet 2.5, liquid outlet 2.5 is by fluid pipeline 7 junctional membrane filtration unit 8, membrane filter appts 8 is provided with discharge tube 8.1, membrane filter appts 8 is separately provided with backflow virus killing pipeline 8.2 and connects ultraviolet (UV) device 1.Ultraviolet (UV) device 1 ultraviolet wavelength is 254 nanometers.Biochemical reaction tank 2 is sealing pond body 2.2, pond body 2.2 is provided with ozonation aerated pipeline 2.3.Catalyzer 6 is nano level composite particles, outside coating titanium dioxide.Outlet conduit 4, drainage pipeline 1.3, inlet channel 1.2, fluid pipeline 7, discharge tube 8.1 and backflow virus killing pipeline 8.2 are provided with valve 9.
Embodiment 2: with reference to embodiment 1, pond body 2.2 is provided with hydrogen peroxide input channel 2.4.
Claims (5)
1. an advanced oxidation coupling depth biochemical treatment waste water system, it is characterized in that comprising ultraviolet (UV) device, biochemical reaction tank, membrane filter appts, ultraviolet (UV) device comprises casing, casing side is provided with inlet channel, casing bottom is provided with drainage pipeline, casing opposite side is provided with outlet conduit and connects biochemical reaction tank water-in, biochemical reaction tank water-in side is provided with catalyst reaction groove, catalyzer is provided with in catalyst reaction groove, the nearly top of biochemical reaction tank opposite side is provided with liquid outlet, liquid outlet is by fluid pipeline junctional membrane filtration unit, membrane filter appts is provided with discharge tube, membrane filter appts is separately provided with backflow virus killing pipeline and connects ultraviolet (UV) device.
2. a kind of advanced oxidation coupling depth biochemical treatment waste water system according to claim 1, is characterized in that ultraviolet (UV) device ultraviolet wavelength is 254 nanometers.
3. a kind of advanced oxidation coupling depth biochemical treatment waste water system according to claim 1, is characterized in that biochemical reaction tank is sealing pond body, pond body is provided with ozonation aerated pipeline or hydrogen peroxide input channel.
4. a kind of advanced oxidation coupling depth biochemical treatment waste water system according to claim 1, is characterized in that catalyzer is nano level composite particles, outside coating titanium dioxide.
5. a kind of advanced oxidation coupling depth biochemical treatment waste water system according to claim 1, is characterized in that outlet conduit, drainage pipeline, inlet channel, fluid pipeline, discharge tube and backflow virus killing pipeline are provided with valve.
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Citations (8)
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CN102838259A (en) * | 2012-09-18 | 2012-12-26 | 北京桑德环境工程有限公司 | Depth treatment method and system of wastewater in industrial park |
CN103864264A (en) * | 2014-03-03 | 2014-06-18 | 同济大学 | Water treatment method and equipment of photocatalytic composite membrane bioreactor |
WO2015071429A1 (en) * | 2013-11-14 | 2015-05-21 | Bmes | Method for improved oxidation decontamination |
CN205258239U (en) * | 2015-12-07 | 2016-05-25 | 江苏博大环保股份有限公司 | Novel advanced oxidation coupling degree of depth biochemical treatment wastewater systems |
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2015
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JP3954227B2 (en) * | 1999-01-18 | 2007-08-08 | 株式会社荏原製作所 | Method and apparatus for treating organic sewage containing endocrine disrupting substance or carcinogenic substance |
CN101284689A (en) * | 2008-04-08 | 2008-10-15 | 上海师范大学 | Water processing reactor integrating photocatalysis and biological degradation and method thereof |
CN201737737U (en) * | 2010-06-22 | 2011-02-09 | 上海师范大学 | Airflow driving inner circulation photocatalysis cylindrical water treatment device |
CN202482173U (en) * | 2012-02-13 | 2012-10-10 | 武汉千水环境工程技术有限公司 | Advanced oxdation technology and membrane bioreactor combination system for treating high concentrated organic sewage |
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WO2015071429A1 (en) * | 2013-11-14 | 2015-05-21 | Bmes | Method for improved oxidation decontamination |
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Application publication date: 20160330 |