CN203545764U - Fenton oxidized wastewater treatment system - Google Patents
Fenton oxidized wastewater treatment system Download PDFInfo
- Publication number
- CN203545764U CN203545764U CN201320721013.9U CN201320721013U CN203545764U CN 203545764 U CN203545764 U CN 203545764U CN 201320721013 U CN201320721013 U CN 201320721013U CN 203545764 U CN203545764 U CN 203545764U
- Authority
- CN
- China
- Prior art keywords
- water
- distribution board
- circulating
- zone
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a Fenton oxidized wastewater treatment system, comprising a main body, wherein a separating zone is arranged at the upper part in the main body, and a water distributing zone is arranged at the bottom of the main body; an oxidizing reaction zone is formed between the separating zone and the water distributing zone; inclined plate packing is arranged in the separating zone; the water distributing zone is composed of a water distributor, an upper water distributing board and a lower water distributing board; a circulating water inlet pipe is arranged between the upper water distributing board and the lower water distributing board and another circulating water inlet pipe is arranged below the lower water distributing board; a circulating water pump is connected to each circulating water inlet pipe; each of the two circulating water pumps is connected to a circulating water outlet pipe below the separating zone through a connecting pipe; and each connecting pipe is connected to a wastewater inlet pipe to form two circulating water paths. The Fenton oxidized wastewater treatment system disclosed by the utility model can reasonably determine addition of a Fenton reagent, enhance the mixing effect of Fe<2+> and H2O2, improve utilization efficiency of H2O2, reduce chemical sludge output, and reduce reagent addition and oxidizing reaction duration.
Description
Technical field
The utility model relates to a kind of Fenton for wastewater treatment (Fenton) method for oxidation, belongs to technical field of waste water processing.
Background technology
Fenton (Fenton) oxidation technology is a kind of of high-level oxidation technology, due to relative other high-level oxidation technology, has simple to operate, investment and the lower advantage of running cost, aspect sewage disposal, obtains applying more widely.Existing Fenton oxidation system has two classes, and a class is traditional homogeneous reaction system, and such technology is mainly to utilize solubilised state Fe
2+make catalyzer.Because side reaction in Fenton reaction is many, work as H
2o
2and FeSO
4undercompounding, reaction times, reaction efficiency reduced not at that time, and chemical feeding quantity is large, produces iron mud more, has not only wasted raw material but also additionally increase the processing costs of iron mud, to subsequent disposal, brings heavier burden.The improvement of this class technology is mainly reflected in the variation of Fenton agent prescription, as utilizes composite salt to substitute ferrous sulfate, utilizes spent acid to substitute conventional sulfuric acid etc.Another kind of technology is heterocatalysis Fenton oxidation reactor, adopts solid phase carrier supported catalyst, then carries out contact reacts with waste water.Due in reaction divided by ferrous sulfate as outside oxygenant, the ferriferous oxide that carrier surface forms also can play good katalysis, thereby can improve reaction efficiency, reduces iron mud output.
The disclosed < < of CN200810105366X method > > who processes waste water by Fenton oxidation, comprises that (1) makes pending alkaline waste water enter flocculation basin and carries out flocculation sediment; (2) waste water after flocculation enters oxidation pond and carries out Fenton oxidation reaction; (3) waste water after oxidation enters settling bowl sedimentation; (4) in the supernatant liquor of discharging, add adjusting PH with base value to neutral after sedimentation, then directly discharge or be for further processing; (5) acidic precipitation that step 4 settles down is back in mixing tank, mixes with all or part of pending waste water.
200810119444 mono-kind of the disclosed < < method > > that utilize Fenton process to dispose of sewage, comprise and adopt plural serial stage tandem type reactor or single-stage flow reactor, in the reaction starting stage, add catalyzer, regulate pH between 1.5-6.5, oxygenant is added successively at plural serial stage tandem type reactor, or at single-stage flow reactor along water (flow) direction multi-point adding, the total dosage of oxygenant of controlling in mg/L is less than the COD of sewage value in mg/L.
The method > > of 201010168464 mono-kind of disclosed < < Fenton reagent oxide treatment amantadine waste water, there is dependency in the concentration of amantadine and COD concentration, by Fenton reagent oxidative degradation amantadine waste water, in waste water, add H respectively
2o
2and FeSO
4. 7H
2o solution, regulates temperature of reaction, fully stirs; With hydrochloric acid and sodium hydroxide solution, regulate the initial pH value of waste water, reaction adds the sodium hydroxide solution of 0.1mon/l after finishing, and reacts remaining iron and ferrous ion and can form ferric hydroxide precipitate and get off, and oxidizing reaction is stopped.
Above-mentioned technology is all so that the formula adopting in Fenton oxidizing process is improved, or in reactor, adds carrier, improves the measures such as mixture strength, reduces oxygenant and catalyst levels, reduces processing cost, improves the treatment effect of system.And less than water quality characteristics and processing requirements in conjunction with waste water, rationally determine added amount of chemical and reaction conditions, create the condition that is conducive to form iron oxide particle, caused the Fenton oxidation furnaces residence time long, the bad situation such as maintenance cost is high, and processing efficiency is low.
Summary of the invention
The utility model is intended to overcome the deficiency that existing Fenton oxidation technology exists, guaranteeing that effluent quality reaches under the prerequisite of design requirements, the Fenton oxidized waste water that a kind of dosing is few, iron mud output is little, processing efficiency is high treatment process is provided, a kind of Fenton oxidized waste water treatment system that realizes the method is provided simultaneously.
Fenton oxidized waste water treatment system of the present utility model, by the following technical solutions:
This system, comprises main body, top in main body is provided with disengaging zone, and bottom is provided with cloth pool, and disengaging zone forms oxidation reaction zone between He Bu pool, the top of disengaging zone is provided with water shoot, and below is provided with circulating water outlet pipe, in described disengaging zone, inclined plate packing is set, described cloth pool is by water distributor, upper strata water distribution board and lower floor's water distribution board form, water distributor is arranged on upper strata water distribution board and lower floor's water distribution board, the water side of water distributor and feed-water end stretch out respectively upper strata water distribution board and lower floor's water distribution board, the part of water distributor between upper strata water distribution board and lower floor's water distribution board is provided with water-in, between upper strata water distribution board and lower floor's water distribution board and lower floor's water distribution board below be respectively provided with a circulating water inlet, on two circulating water inlets, be all connected with water circulating pump, two water circulating pumps are connected with the circulating water outlet pipe of below, disengaging zone by a pipe connecting separately, each pipe connecting is connected with a wastewater inlet pipe, circulating water outlet pipe and a water circulating pump and a circulating water inlet form article one circulation waterway, form second circulation waterway with another water circulating pump and another root circulating water inlet, on the top in cloth pool, be provided with aeration tube and particle vent pipe, in the bottom in cloth pool, be provided with blow-down pipe, on aeration tube, be distributed with aeration head.
When said system is processed waste water, according to the content of the solubility COD that intends removing, according to H
2o
2determine H in waste water with the relation that the molar concentration rate of solvability COD in the waste water of intend removing is 0.8-1.0
2o
2dosage, then according to H
2o
2determine the dosage of ferrous sulfate in waste water with the molar concentration rate of the ferrous sulfate relation that is 0.6-0.9; First the first acid adding of waste water is adjusted pH value to 5.5-6.5, is then divided into two strands, in two strands of waste water, adds ferrous sulfate and H respectively by dosage
2o
2two strands of waste water enter cloth pool by a wastewater inlet pipe through a circulation waterway more separately, by water distributor bottom feed-water end and middle part water-in, enter water distributor respectively, place, water side at water distributor is mixed moment, then enter oxidation reaction zone, waste water is formed and is circulated by two circulation waterway, and control flow rate of water flow is 50-80 m/h, oxidation 20-35 minute, makes the abundant mixed oxidization of waste water and medicament; The separated district of iron oxide particle is trapped in oxidation reaction zone, reacted waste water and Fe (OH)
3flco is discharged by the rising pipe of disengaging zone top, after adding alkali to pH value and being 6.5-7, and coagulating sedimentation; Iron oxide particle is discharged by particle vent pipe.
It is according to determining H that the utility model be take the content of solvability COD and the processing requirements of water outlet COD in waste water
2o
2dosage, can rationally determine the dosage of Fenton reagent, strengthen Fe
2+and H
2o
2mixed effect, improve H
2o
2utilising efficiency; The FeOOH particle strengthening generating the catalytic efficiency of system, reduced Fe
2+the chemical feeding quantity of catalyzer and iron containing sludge output.
Accompanying drawing explanation
The structural representation of Fig. 1 the utility model Fenton reaction system for treating waste water.
In figure: 1, main body, 2, disengaging zone, 3, cloth pool, 4, water distributor, 5, upper strata water distribution board, 6, lower floor's water distribution board, 7, water-in, 8, aeration head, 9, water circulating pump, 10, circulating water outlet pipe, 11, circulating water inlet, 12, wastewater inlet pipe, 13, aeration tube, 14, water shoot, 15, particle vent pipe, 16, blow-down pipe.
Embodiment
Fig. 1 has provided the structure of the Fenton reaction Sewage treatment systems that realizes aforesaid method, comprises main body 1, and the top in main body 1 is provided with disengaging zone 2, and bottom is provided with cloth pool 3, between disengaging zone 2 and cloth pool 3, forms oxidation reaction zone.The top of disengaging zone 2 is provided with water shoot 14, and below is provided with circulating water outlet pipe 10.The interior inclined plate packing that arranges in described disengaging zone 2, its effect is that the iron oxide particle to producing in waste water is held back.Described cloth pool 3 is comprised of water distributor 4, upper strata water distribution board 5 and lower floor's water distribution board 6, and water distributor 4 is arranged on upper strata water distribution board 5 and lower floor's water distribution board 6, and the water side of water distributor 4 and feed-water end stretch out respectively upper strata water distribution board 5 and lower floor's water distribution board 6.The similar of water distributor 4 is in long handle counter washing filter head, and the part of water distributor 4 between upper strata water distribution board 5 and lower floor's water distribution board 6 is provided with water-in 7, can make like this to add ferrous sulfate and H
2o
2two strands of water by water distributor 4 bottom feed-water ends and middle part water-in 7, enter water distributor 4 respectively, by different zones, entered, finally at the place, water side of water distributor 4, mix moment.Water distributor 4 should adopt anti-corrosion measure, can adopt stainless material.Between upper strata water distribution board 5 and lower floor's water distribution board 6 and lower floor's water distribution board 6 below be respectively provided with a circulating water inlet 11, on two circulating water inlets, be all connected with water circulating pump 9, two water circulating pumps are connected with the circulating water outlet pipe 10 of 2 belows, disengaging zone by a pipe connecting separately, every pipe connecting is connected with a wastewater inlet pipe 12, circulating water outlet pipe 10 and a pipe connecting, a water circulating pump 9 and a circulating water inlet 11 form article one circulation waterway, with another root pipe connecting, another water circulating pump and another root circulating water inlet form second circulation waterway, make waste water form and circulate in oxidation reaction zone, with the abundant mixed oxidization of medicament, and form good fluidization conditions.On the top in cloth pool 3, be provided with aeration tube 13 and particle vent pipe 15, aeration tube plays the auxiliary effect mixing, and in the bottom in cloth pool 3, is provided with blow-down pipe 16, is distributed with aeration head 8 on aeration tube 13.Blow-down pipe 28 is discharged the waste water in main body when overhauling.
Said system is according to H
2o
2determine H in waste water with the relation that the molar concentration rate of solvability COD in the waste water of intend removing is 0.8-1.0
2o
2dosage, then according to H
2o
2determine the dosage of ferrous sulfate in waste water with the molar concentration rate of the ferrous sulfate relation that is 0.6-0.9.Ferrous sulfate, H
2o
2to determine according to the waste water of concrete processing with the concrete ratio of solvability COD in the waste water of intending removing.During such as processing paper-making effluent, according to ferrous sulfate: H
2o
2: the proportioning preparation ferrous sulfate and the H that intend removing the solvability COD molar concentration rate 0.74:1:1.1 in waste water
2o
2dosage.The first acid adding of waste water (sulfuric acid or hydrochloric acid) is adjusted pH value to 5.5-6.5, is then divided into two strands, in two strands of waste water, adds ferrous sulfate and H respectively by dosage
2o
2two strands of waste water enter the cloth pool 3 of main body 1 bottom more separately through a circulation waterway by a wastewater inlet pipe 12, in water distributor 4, mix, then enter oxidation reaction zone, in oxidation reaction zone, waste water constantly circulates through two circulation waterways, and controlling current upflow velocity is 50-80 m/h.Oxidation 20-35 minute, the abundant mixed oxidization of waste water and medicament.The separated district 2 of iron oxide particle that particle is larger is trapped in oxidation reaction zone, and reacted waste water enters outside neutralization tank by the rising pipe 14 of 2 tops, disengaging zone, add alkali to pH value for after 6.5-7, through coagulating sedimentation, supernatant liquor qualified discharge.Ferriferous oxide crystal is regularly discharged by crystal grain vent pipe 15.
According to the utility model embodiment and traditional F enton oxidation and deformation technology comparison thereof, result is as follows:
| Project | Former water | Traditional F enton | Fenton distortion | The utility model system |
| COD mg/l | 350 | 47 | 55 | 40 |
| Colourity | 420 times | 11 | 15 | 10 |
| Ferrous sulfate mg/l | - | 970 | 830 | 610 |
| Hydrogen peroxide mg/l | - | 480 | 260 | 340 |
| Polymerize aluminum chloride mg/l | - | - | 150 | - |
The utility model method, in the situation that reducing medicament, treatment effect is better than traditional F enton oxidation and deformation technology thereof.
Claims (1)
1. a Fenton oxidized waste water treatment system, comprises main body, it is characterized in that: the top in main body is provided with disengaging zone, bottom is provided with cloth pool, and disengaging zone forms oxidation reaction zone between He Bu pool, the top of disengaging zone is provided with water shoot, and below is provided with circulating water outlet pipe, in described disengaging zone, inclined plate packing is set, described cloth pool is by water distributor, upper strata water distribution board and lower floor's water distribution board form, water distributor is arranged on upper strata water distribution board and lower floor's water distribution board, the water side of water distributor and feed-water end stretch out respectively upper strata water distribution board and lower floor's water distribution board, the part of water distributor between upper strata water distribution board and lower floor's water distribution board is provided with water-in, between upper strata water distribution board and lower floor's water distribution board and lower floor's water distribution board below be respectively provided with a circulating water inlet, on two circulating water inlets, be all connected with water circulating pump, two water circulating pumps are connected with the circulating water outlet pipe of below, disengaging zone by a pipe connecting separately, each pipe connecting is connected with a wastewater inlet pipe, circulating water outlet pipe and a water circulating pump and a circulating water inlet form article one circulation waterway, form second circulation waterway with another water circulating pump and another root circulating water inlet, on the top in cloth pool, be provided with aeration tube and particle vent pipe, in the bottom in cloth pool, be provided with blow-down pipe, on aeration tube, be distributed with aeration head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721013.9U CN203545764U (en) | 2013-11-15 | 2013-11-15 | Fenton oxidized wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721013.9U CN203545764U (en) | 2013-11-15 | 2013-11-15 | Fenton oxidized wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203545764U true CN203545764U (en) | 2014-04-16 |
Family
ID=50463910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320721013.9U Expired - Fee Related CN203545764U (en) | 2013-11-15 | 2013-11-15 | Fenton oxidized wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203545764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553200A (en) * | 2013-11-15 | 2014-02-05 | 山东省环境保护科学研究设计院 | Fenton oxidation wastewater treatment method and system |
| CN103991946A (en) * | 2014-06-10 | 2014-08-20 | 江苏拓森环保设备工程有限公司 | Energy-saving double-circulation unpowered automatic mixing Fenton reactor |
-
2013
- 2013-11-15 CN CN201320721013.9U patent/CN203545764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553200A (en) * | 2013-11-15 | 2014-02-05 | 山东省环境保护科学研究设计院 | Fenton oxidation wastewater treatment method and system |
| CN103991946A (en) * | 2014-06-10 | 2014-08-20 | 江苏拓森环保设备工程有限公司 | Energy-saving double-circulation unpowered automatic mixing Fenton reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103553200B (en) | Fenton oxidation wastewater treatment method and system | |
| CN202139138U (en) | Improved Fenton fluidized bed waste water treatment device | |
| CN104876319B (en) | Fenton-like reactor, and toxic nondegradable wastewater treatment device and method | |
| CN103771625B (en) | Device and method for treating pulping wastewater by Fenton catalytic oxidation method | |
| CN103991987B (en) | A kind of pretreatment high phosphorus waste water removes technique and the process system thereof of total phosphorus | |
| CN104192964B (en) | A kind of sewage water treatment method based on the backflow of flocculation sedimentation tank supernatant liquor | |
| CN107098457B (en) | Fenton fluidized bed reactor and operation method thereof | |
| CN106007080A (en) | Method for gradient oxidation deep purification of biochemical tail water | |
| CN102976526A (en) | Forced external circulating type efficient precipitation method and equipment based on addition of lime | |
| CN102531234A (en) | Method for pretreatment of alkaline waste water through fenton oxidation | |
| CN106365348B (en) | Fenton synergistic ozone fluidization catalytic oxidation wastewater treatment device and wastewater treatment method thereof | |
| CN114634265A (en) | photo-Fenton process for treating refractory organic wastewater | |
| CN203545764U (en) | Fenton oxidized wastewater treatment system | |
| CN205035187U (en) | Integral type fen dunfa effluent treatment plant that sprays paint | |
| CN213977104U (en) | Energy-efficient fenton fluidized bed | |
| CN108862741A (en) | Handle the technique and device of wastewater from chemical industry | |
| CN206109104U (en) | Fenton is ozone fluidization catalytic oxidation effluent treatment plant in coordination | |
| CN209468260U (en) | A kind of waste water coupling processing device based on magnetic-coagulation and sodium peroxydisulfate catalysis oxidation | |
| CN107804933A (en) | One kind is containing hypophosphites, phosphite sewage treatment equipment | |
| CN206109157U (en) | Fenton is ozone treatment waste water device in coordination | |
| CN203715410U (en) | Device for treating pulping wastewater via Fenton catalytic oxidation method | |
| CN210393992U (en) | Device for treating organic matters difficult to biodegrade by Fenton | |
| CN103848520A (en) | Process method for deeply treating tannery wastewater by using Fenton reagent oxidation method | |
| CN106348536B (en) | Fenton synergistic ozone wastewater treatment device and wastewater treatment method thereof | |
| CN208717115U (en) | A kind for the treatment of of dyeing wastewater reclamation set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |