CN106830278B - A kind of class Fenton oxidation filter tank and method for industrial wastewater of degrading - Google Patents
A kind of class Fenton oxidation filter tank and method for industrial wastewater of degrading Download PDFInfo
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- CN106830278B CN106830278B CN201710194339.3A CN201710194339A CN106830278B CN 106830278 B CN106830278 B CN 106830278B CN 201710194339 A CN201710194339 A CN 201710194339A CN 106830278 B CN106830278 B CN 106830278B
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- filter tank
- industrial wastewater
- water
- oxidation filter
- class fenton
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The invention discloses a kind of class Fenton oxidation filter tank for industrial wastewater of degrading and method, aoxidizes and water inlet pipe and outlet pipe are provided with filter tank, and oxidation filter tank is divided into pre-mix zone, catalyst set area, reaction zone and settling section from bottom to top；Pre-mix zone bottom is provided with water-locator, and water inlet is sent into water-locator by water inlet pipe；Catalyst set area is provided with supporting layer and catalyst layer from bottom to top, and reaction zone is provided with some ultrasonic probes, and settling section top is provided with water outlet weir plate；Overflow area is provided between water outlet weir plate and oxidation filter tank, outlet pipe connects with overflow area.Coconut husk granular activated carbon catalytic mechanical intensity that the present invention uses is high, stable performance, technique terminate it is rear it is recyclable, regenerate and reuse.Filter tank has the advantages of floor space is small, chemical feeding quantity is small, oxidation efficiency is high, decolorizing effect is more preferable, sludge quantity is few simultaneously.Industrial wastewater after ultrasonic wave modified form class Fenton oxidation filter tank is handled can meet the discharge standard of industrial wastewater.
Description
Technical field
The invention belongs to field of industrial waste water treatment, is related to a kind of ultrasonic wave-modified form class for industrial wastewater of degrading
Fenton oxidation filter tank and method.
Background technology
Industrial wastewater organic pollution has the features such as species is various, and biodegradability is poor, and water quality is unstable.Work is removed at present
The main method of industry Wastewater Pollutant has absorption method, coagulant sedimentation, bioanalysis and chemical advanced oxidation processes.Wherein activated carbon is inhaled
Attached method is applied the most extensive, but regenerating active carbon is difficult, processing cost is high.Coagulant sedimentation is proved only in practical operation
Part COD can be effectively removed, processed waste water is extremely difficult to discharge standard.A large amount of metal ions and surface-active in industrial wastewater
The presence of agent, limit the use of bioanalysis.Comparatively, chemical advanced oxidation processes processing industrial wastewater solves to a certain extent
The deficiency for other techniques of having determined, its general principle are to produce the hydroxyl radical free radical (OH) with strong oxidizing property by chemically reacting
Oxidation Decomposition organic pollution.Hydroxyl radical free radical (OH) can be with simultaneous oxidation gas chromatography, and has and do not produce secondary dirt
The features such as dye, is easily controlled, and reaction rate is fast.Conventional chemical advanced oxidation processes have ozone oxidation, wet oxidation, Fenton oxidation
And ultrasound oxidation technology etc..
The advantage of traditional Fenton oxidation technique be embodied in reaction rate is fast, degradation capability is strong, the low, infrastructure of selectivity and
It is simple to operate, reagent is non-toxic, investment is smaller etc..Its shortcoming is it is also obvious that be primarily present cost height, catalyst can not return
Receive utilize, pH tolerance ranges are narrow, the easy inverse of water sample, the problems such as sludge yield is larger after processing.
The content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of ultrasonic wave-modified form for industrial wastewater of degrading
Class Fenton oxidation filter tank and method.
Technical scheme is used by the filter tank of the present invention：A kind of class Fenton oxidation filter tank for industrial wastewater of degrading,
It is characterized in that：Water inlet pipe and outlet pipe are provided with the oxidation filter tank, the oxidation filter tank is divided into premixing from bottom to top
Area, catalyst set area, reaction zone and settling section；The pre-mix zone bottom is provided with water-locator, and water inlet passes through the water inlet
Pipe is sent into the water-locator；The catalyst set area is provided with supporting layer and catalyst layer from bottom to top, and the reaction zone is set
Some ultrasonic probes are equipped with, the settling section top is provided with water outlet weir plate；The water outlet weir plate with it is described oxidation filter tank it
Between be provided with overflow area, the outlet pipe connects with described overflow area.
Technical scheme is used by the method for the present invention：A kind of class Fenton oxidation method for industrial wastewater of degrading,
It is characterised in that it includes following steps：
Step 1：Start intake pump, sewage is injected to pre-mix zone by water inlet pipe, stable water inlet is realized by water-locator；
Step 2：Sewage is born by pebble support layer, coconut husk granular activated carbon catalyst layer, catalyst respectively from bottom to top
The active group of load is discharged herein, and metal ion slowly leaches during effect, produces catalytic action, accelerates hydroxyl in Fenton's reaction
Base free radical (OH) generating rate, and integrally improve the degradation efficiency of useless Organic substance in water；
Step 3：Start hydrogen peroxide dosing pump and sulfuric acid dosing pump, pass through hydrogen peroxide drug feeding pipeline and sulfuric acid chemical feed pipe
Road adds hydrogen peroxide and sulfuric acid to reaction zone, under coconut husk granular activated carbon Catalytic Layer and the synergy of ultrasonic probe,
Hydroxyl radical free radical (OH) is generated, chemical oxidation reaction occurs, the organic matter of difficult degradation is decomposed in water, thus sewage obtains only
Change；
Step 4：Reaction zone produces minimal amount of sludge and natural subsidence, is irregularly discharged into sludge-tank by discharge pipeline；
Step 5：Sewage after purified enters settling section, passes through the outlet pipe discharge oxidation filter tank in overflow area.
The present invention has advantages below：Industrial wastewater after ultrasonic wave-modified form class Fenton oxidation filter tank processing can be complete
The discharge standard of full up sufficient industrial wastewater, compared with traditional Fenton oxidation technique, described ultrasonic wave-modified form class Fenton oxidation
The chemical feeding quantity of filter tank handling process is the 35%-60% of traditional handicraft, and sludge yield is only the 5%-10% of traditional handicraft, is entered
Water PH scopes are wider, and installation area is small, and oxidation efficiency is high, and decolorizing effect is more preferable.
Brief description of the drawings
The system construction drawing in the oxidation filter tank of the bright embodiment of Fig. 1 we.
In figure, 1. water inlet pipes, 2. intake pumps, 3. water-locators, 4. filter plates, 5. pebble support layers, 6. coconut husk granular activated carbons
Catalyst layer, 7. sulfuric acid drug feeding pipelines, 8. sulfuric acid dosing pumps, 9. hydrogen peroxide drug feeding pipelines, 10. hydrogen peroxide dosing pumps, 11.
Ultrasonic probe, 12. discharge pipelines, 13. ultrasonic wave makers, 14. outlet pipes, 15. reflux lines, 16. backwash inlet channels,
17. backwash drainage pipeline, 18. water outlet weir plates, 19. oxidation filter tanks.
Embodiment
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with the accompanying drawings and embodiment is to this hair
It is bright to be described in further detail, it will be appreciated that implementation example described herein is merely to illustrate and explain the present invention, not
For limiting the present invention.
Based on traditional Fenton reagent, by changing and coupling reaction condition, suitably finely tune its reaction mechanism can prepare with
Similar Fenton-type reagent.Follow-up optical joint, electrochemistry, microbial technique, ozone technology, nanometer technology and ultrasonic wave skill
Art, can be formed it is a set of efficiently, low cost, without inverse, few sludge, have it is more advantageous more new than traditional Fenton technology
Improve Fenton-like.
See Fig. 1, a kind of class Fenton oxidation filter tank for industrial wastewater of degrading provided by the invention, aoxidize in filter tank 19
Be provided with water inlet pipe 1 and outlet pipe 14, oxidation filter tank 19 be divided into from bottom to top pre-mix zone, catalyst set area, reaction zone and
Settling section；Pre-mix zone is separated with catalyst set area by filter plate 4；Pre-mix zone bottom is provided with water-locator 3, and water inlet passes through
Water inlet pipe 1 is sent into water-locator 3；Catalyst set area is provided with pebble support layer 5 and the catalysis of coconut husk granular activated carbon from bottom to top
Oxidant layer 6, reaction zone are provided with some ultrasonic probes 11, and settling section top is provided with water outlet weir plate 18；Water outlet weir plate 18 and oxygen
Change is provided with overflow area between filter tank 19, and interior integrated pipeline and outlet pipe 14 connect with overflow area.
The pre-mix zone bottom of the present embodiment is provided with water distribution pipe, and water-locator 3, water distribution pipe are provided with water distribution pipe
One end connection water inlet pipe 1, water inlet come from biochemical system secondary clarifier effluent.
The packed height of pebble support layer 5 of the present embodiment is 0.4 meter, the packed height of coconut husk granular activated carbon catalyst layer 6
For 0.7 meter, coconut husk granular activated carbon catalyst layer 6 is with transition metal and rare earth metal doping metals tungsten phosphorus according to a certain ratio
Hydrochlorate forms more metal active parents, then is supported on coconut husk granular activated carbon by Physical and is urged and the new class Fenton of formation
Agent；The material of ultrasonic probe 11 is titanium alloy, working frequency：20kHz, rated power：2000w, amplitude：80 μm, the sound intensity >=
10w/cm2, ultrasonic probe 11 are connected with ultrasonic wave maker (driving power) 13 by 5 meters of cable.
The reaction zone of the present embodiment sets hydrogen peroxide drug feeding pipeline 9 and sulfuric acid drug feeding pipeline 7, passes through hydrogen peroxide dosing
The dosing into reaction zone of pump 10 and sulfuric acid dosing pump 8, hydrogen peroxide chemical feeding quantity are 350-500mg/L, and sulfuric acid chemical feeding quantity is according to entering
Water PH is determined；Reaction zone is provided with discharge pipeline 12, and settling section top is provided with backwash inlet channel 16, and pre-mix zone bottom is set
It is equipped with backwash drainage pipeline 17.
The direct qualified discharge of a part of water outlet in overflow area of the present embodiment, a part of water outlet are back to instead by reflux line 15
Area is answered, makes to be advantageous to improve oxidation efficiency in fluidisation state in oxidation filter tank 19.
A kind of class Fenton oxidation method for industrial wastewater of degrading provided by the invention, comprises the following steps：
Step 1：Start intake pump 2, sewage is injected to pre-mix zone by water inlet pipe 1, realize that stabilization is entered by water-locator 3
Water；
Step 2：Sewage is from bottom to top respectively by pebble support layer 5, coconut husk granular activated carbon catalyst layer 6, catalyst
The active group of load is discharged herein, and metal ion slowly leaches during effect, produces catalytic action, is accelerated in Fenton's reaction
Hydroxyl radical free radical OH generating rates, and integrally improve the degradation efficiency of useless Organic substance in water；
Step 3：Start hydrogen peroxide dosing pump 10 and sulfuric acid dosing pump 8, added by hydrogen peroxide drug feeding pipeline 9 and sulfuric acid
Pencil road 7 adds hydrogen peroxide and sulfuric acid to reaction zone, in the collaboration of coconut husk granular activated carbon Catalytic Layer and ultrasonic probe 11
Under effect, hydroxyl radical free radical OH is generated, chemical oxidation reaction occurs, the organic matter of difficult degradation is decomposed in water, and sewage is thus
It is purified；
Step 4：Reaction zone produces minimal amount of sludge and natural subsidence, is irregularly discharged into sludge-tank by discharge pipeline 12；
Step 5：Sewage after purified enters settling section, passes through the discharge oxidation of outlet pipe 14 filter tank in overflow area.
The present embodiment, when the disengaging pressure differential for aoxidizing filter tank 19 exceedes target zone value, automatic start backwash procedure, instead
Wash the cycle for 3-4 days once, backwash water inlet is entered with pulse condition by backwash water inlet pipe 16, backwash water inlet after interval termination of pumping, often
Every 2min terminations of pumping 30 seconds, total backwash time was 10min, and backwash waste discharges oxidation filter tank 19 by backwash drainpipe 17.
Although this specification more used water inlet pipe 1, intake pump 2, water-locator 3, water-locator 3, pebble support layer 5,
Coconut husk granular activated carbon catalyst layer 6, sulfuric acid drug feeding pipeline 7, sulfuric acid dosing pump 8, hydrogen peroxide drug feeding pipeline 9, hydrogen peroxide
Dosing pump 10, ultrasonic probe 11, discharge pipeline 12, ultrasonic wave maker 13, outlet pipe 14, reflux line 15, backwash water inlet pipe
The terms such as road 16, backwash drainage pipeline 17, water outlet weir plate 18, oxidation filter tank 19, but it is not precluded from the possibility using other terms
Property.Using these terms just for the sake of more easily describing the essence of the present invention, it is construed as what any one was added
Limitation is all disagreed with spirit of the present invention.
It should be appreciated that the part that this specification does not elaborate belongs to prior art.
It should be appreciated that the above-mentioned description for preferred embodiment is more detailed, therefore can not be considered to this
The limitation of invention patent protection scope, one of ordinary skill in the art are not departing from power of the present invention under the enlightenment of the present invention
Profit is required under protected ambit, can also be made replacement or deformation, be each fallen within protection scope of the present invention, this hair
It is bright scope is claimed to be determined by the appended claims.
Claims (5)
- A kind of 1. class Fenton oxidation filter tank for industrial wastewater of degrading, it is characterised in that：The oxidation filter tank（19）Interior setting There is water inlet pipe（1）And outlet pipe（14）, the oxidation filter tank（19）It is divided into pre-mix zone, catalyst set area, anti-from bottom to top Answer area and settling section；The pre-mix zone bottom is provided with water-locator（3）, intake and pass through the water inlet pipe（1）It is sent into the cloth Hydrophone（3）；The catalyst set area is provided with supporting layer from bottom to top（5）And catalyst layer（6）, the reaction zone is provided with Some ultrasonic probes（11）, the settling section top is provided with water outlet weir plate（18）；The water outlet weir plate（18）With the oxygen Change filter tank（19）Between be provided with overflow area, the outlet pipe（14）Connected with described overflow area；The supporting layer（5）For pebble support layer, packed height is 0.4 meter；The catalyst layer（6）For coconut husk granular activated carbon Catalyst layer, packed height are 0.7 meter；The coconut husk granular activated carbon catalyst layer be with transition metal and rare earth metal according to Certain proportioning doping metals tungsten phosphate forms more metal active parents, then is supported on by Physical on coconut husk granular activated carbon And the new class fenton catalyst formed；The pre-mix zone passes through filter plate with the catalyst set area（4）Separate.
- 2. the class Fenton oxidation filter tank according to claim 1 for industrial wastewater of degrading, it is characterised in that：Described is super Sonic probe（11）It is configured with ultrasonic wave maker（13）, the ultrasonic probe（11）Material is titanium alloy, and working frequency is 20kHz, rated power 2000w, amplitude are 80 μm, the sound intensity >=10w/cm2。
- 3. the class Fenton oxidation filter tank according to claim 1 for industrial wastewater of degrading, it is characterised in that：The reaction Area sets hydrogen peroxide drug feeding pipeline（9）With sulfuric acid drug feeding pipeline（7）, pass through hydrogen peroxide dosing pump（10）With sulfuric acid dosing pump （8）The dosing into the reaction zone, hydrogen peroxide chemical feeding quantity are 350-500mg/L, and sulfuric acid chemical feeding quantity determines according to water inlet PH.
- 4. the class Fenton oxidation filter tank of the industrial wastewater that is used to degrade according to claim 1-3 any one, its feature exist In：The reaction zone is provided with discharge pipeline（12）, the settling section top is provided with backwash inlet channel（16）, the premixing Area bottom is provided with backwash drainage pipeline（17）.
- 5. the class Fenton oxidation filter tank of the industrial wastewater that is used to degrade according to claim 1-3 any one, its feature exist In：The direct qualified discharge of a part of water outlet in overflow area, a part of water outlet is by reflux line（15）The reaction zone is back to, Make the oxidation filter tank（19）Interior is in fluidisation state, is advantageous to improve oxidation efficiency.
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| CN201710194339.3A CN106830278B (en) | 2017-03-28 | 2017-03-28 | A kind of class Fenton oxidation filter tank and method for industrial wastewater of degrading |
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| CN201710194339.3A CN106830278B (en) | 2017-03-28 | 2017-03-28 | A kind of class Fenton oxidation filter tank and method for industrial wastewater of degrading |
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| CN106830278B true CN106830278B (en) | 2018-03-02 |
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| CN108585164A (en) * | 2018-03-23 | 2018-09-28 | 华夏碧水环保科技有限公司 | A kind of processing method of Fenton catalyst oxidation reactor and its highly difficult industrial wastewater |
| CN112264099B (en) * | 2020-10-12 | 2022-10-04 | 武汉天源环保股份有限公司 | Preparation method of Fenton-like composite catalyst and application of Fenton-like composite catalyst in deep treatment of leachate |
| CN115417486B (en) * | 2022-07-28 | 2023-11-03 | 北京城市排水集团有限责任公司 | Device and method for treating sewage by push-flow type multipoint Fenton oxidation |
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| CN201882947U (en) * | 2010-10-26 | 2011-06-29 | 深圳职业技术学院 | Device for treating organic wastewater by ultrasound |
| CN102642911A (en) * | 2012-05-02 | 2012-08-22 | 山东绿泉环保工程有限公司 | Advanced oxidation treatment device and advanced oxidation treatment process of refractory organic wastewater |
| JP2014198291A (en) * | 2013-03-29 | 2014-10-23 | 栗田工業株式会社 | Method for treating poorly biodegradable organic matter-containing water and treatment apparatus thereof |
| CN103232123B (en) * | 2013-04-28 | 2014-08-06 | 台州学院 | Catalytic reduction-fenton-like oxidization integrated device for preprocessing chemical wastewater |
| CN104386868A (en) * | 2014-10-24 | 2015-03-04 | 苏州富奇诺水治理设备有限公司 | Method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis |
| CN105417870B (en) * | 2015-12-10 | 2017-10-24 | 东华大学 | To the stream integrated waste water treatment process in Zero-valent Iron class Fenton biofilter and equipment under one kind |
| CN105502817B (en) * | 2015-12-10 | 2017-12-22 | 东华大学 | A kind of integrated waste water treatment process in upward flow Zero-valent Iron class Fenton biofilter and equipment |
| CN105884005A (en) * | 2016-06-29 | 2016-08-24 | 盐城工学院 | Novel Fenton fluidized bed and wastewater treatment method thereof |
| CN206720827U (en) * | 2017-03-28 | 2017-12-08 | 湖北君集水处理有限公司 | A kind of class Fenton oxidation filter tank for industrial wastewater of degrading |
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Effective date of registration: 20200403 Address after: 312400 yankeng village, Xianyan Town, Shengzhou City, Shaoxing City, Zhejiang Province Patentee after: Shengzhou Junji sewage advanced treatment Co., Ltd Address before: 430074 Hubei Province, Wuhan city Hongshan District Huangjiahu University City No. 3 Patentee before: HUBEI JUNJI WATER TREATMENT Co.,Ltd. |
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Effective date of registration: 20220119 Address after: 430079 Hyundai, No. 41, Guanggu Avenue, Donghu New Technology Development Zone, Wuhan, Hubei Province 27 / F, building 1, phase I, international design City Patentee after: Junji Environmental Technology Co.,Ltd. Address before: 312400 yankeng village, Xianyan Town, Shengzhou City, Shaoxing City, Zhejiang Province Patentee before: Shengzhou Junji sewage advanced treatment Co.,Ltd. |
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Denomination of invention: Fenton like oxidation filter for degrading industrial wastewater and its method Effective date of registration: 20220211 Granted publication date: 20180302 Pledgee: Pudong Shanghai Development Bank Limited by Share Ltd. Wuhan branch Pledgor: Junji Environmental Technology Co.,Ltd. Registration number: Y2022420000037 |