CN205710208U - A kind of advanced oxidation processing system of waste water - Google Patents
A kind of advanced oxidation processing system of waste water Download PDFInfo
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- CN205710208U CN205710208U CN201620632693.0U CN201620632693U CN205710208U CN 205710208 U CN205710208 U CN 205710208U CN 201620632693 U CN201620632693 U CN 201620632693U CN 205710208 U CN205710208 U CN 205710208U
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Abstract
The advanced oxidation that the utility model discloses a kind of waste water processes, including the Buffer Pool being sequentially connected with, pH regulator pond, passivation pool, reaction tank, neutralization pond and sedimentation tank；Described Buffer Pool is connected with pH regulator pond by Pipeline lift pump, the outlet in pH regulator pond is connected with passivation pool by pipeline, the outlet of passivation pool is connected with reaction tank by pipeline, the outlet of reaction tank is communicated with neutralization pond by pipeline, the outlet of neutralization pond is connected with the central draft tube of sedimentation tank by pipeline, and the water outlet of sedimentation tank enters qualified discharge pond or reuse tank.This utility model provides a kind of advanced oxidation processing system based on high-performance compound environmental purification function material, effectively solves the technical bottleneck problem existing for conventional high level oxidative treatment used water difficult to degradate.
Description
Technical field
This utility model belongs to technical field of waste water processing, is specifically related to the advanced oxidation processing system of a kind of waste water.
Background technology
Over nearly 30 years, the environmental problem especially water pollution problems of China becomes increasingly conspicuous, and presents what explosion type deteriorated
Trend.On the one hand by rapid economic development, the impact that Development of China's Urbanization is accelerated；On the other hand, by social need and industry skill
The promotion of art development, various novel chemical substances emerge in an endless stream, and waste component becomes increasingly complex, and Recalcitrant chemicals gets more and more,
Traditional biological treatment can not meet process requirement, it is necessary to considers that other are such as physics and the processing method of chemistry.
High-level oxidation technology, as a kind of new technique processing Recalcitrant chemicals, has and can produce a large amount of very active hydroxyl
Base free radical (OH), oxidability are strong, institute's degradation of contaminant product cleaning, course of reaction are easily controlled and process flexibly etc.
Feature.The most conventional advanced oxidation facture mainly has Fenton and class Fenton oxidation method, ozone class oxidizing process.
Ozone class oxidizing process, including UV/O3、H2O2/O3、UV/H2O2/O3Etc. combination technique, improve oxidation rate and efficiency,
But it is referred to as ozone class due to ozone dissolubility in water utilization rate relatively low, ozone low, the power consumption of generation rate low, ozone etc.
The restriction of oxidation technology application；And for Fenton process or class Fenton process, be in acid condition hydrogen peroxide at catalyst ferrum
(II) the lower complicated chain reaction occurred of the effect of salt or transition metal, produce have Strong oxdiative ability hydroxyl radical free radical (
OH), its oxidability has exceeded superoxides (O2-), or ozone (O3), it is that oxidisability is the strongest, extensively in active oxygen
Be applied to complicated component waste water process in.But life-span of hydroxyl radical free radical that the method produces only has 1,000,000/
Second, additionally there are and make dosage big, substantial amounts of ferrous iron makes the sludge yield in processing procedure big, and water outlet is deposited
In secondary pollution, it is unstable that the hydrogen peroxide additionally remained can cause processing COD effect, and processing cost increases.
Advanced oxidation inorganic agent is a kind of under the effect of catalyst, can quickly, sustained release high concentration oxidation hydroxyl from
By base, give full play to the compound environment purifying functional-material of Strong oxdiative performance, its oxidation hydroxyl radical free radical sustained release time
Between up to more than 20min, the technical bottleneck problem of conventional high level oxidative treatment used water difficult to degradate can be solved.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, this utility model provides a kind of multiple based on high-performance
The advanced oxidation processing system of mould assembly environmental purification function material, effectively solution conventional high level oxidative treatment used water difficult to degradate institute
The technical bottleneck problem existed.
Technical scheme: for achieving the above object, this utility model adopts the following technical scheme that
The advanced oxidation processing system of a kind of waste water, including the Buffer Pool being sequentially connected with, pH regulator pond, passivation pool, reaction
Pond, neutralization pond and sedimentation tank；
Described Buffer Pool is connected with pH regulator pond by Pipeline lift pump, and the outlet in pH regulator pond passes through pipeline and passivation
Pond is connected, and the outlet of passivation pool is connected with reaction tank by pipeline, and the outlet of reaction tank is communicated with neutralization pond by pipeline,
The outlet of neutralization pond is connected with the central draft tube of sedimentation tank by pipeline, and the water outlet of sedimentation tank enters qualified discharge pond or returns
Use pond.
Further, in described pH regulator pond, it is provided with blender, is provided with at its water inlet and adds alkali/acid pump；
Passivation pool arranges flap, is provided with metal ion catalyst at its water inlet and adds entrance；
Neutralization pond is provided with dividing plate and acid adding pump, the pipeline of central draft tube entering sedimentation tank is provided with dosing pump；
The bottom of sedimentation tank arranges sludge pipe, utilizes sludge pump to be taken away by the mud of generation.
Said system mainly for process object be the waste water of difficult degradation, be mainly derived from printing and dyeing mill, pharmaceutical factory, papermaking
The production waste water of factory, Electroplate Factory and food processing factory, solve employing used water difficult to degradate depend merely on Biochemical method can not be up to standard
Discharge, and use that advanced oxidation processes (Fenton process or class Fenton oxidation method, ozone class oxidizing process) processes costly, efficiency low,
The difficult problems such as complex management, have very important significance to difficult waste water tool.
Beneficial effect: the advanced oxidation processing system of waste water of the present utility model, relative and prior art, the present invention has
Following advantage and beneficial effect:
1) this Advanced Oxidation Technics in Dealing is mainly based upon the high property of one that the key component such as enzyme, peroxide is compounded to form
The oxidation treatment method of the compound environment purifying functional-material of energy, environment will not be caused secondary pollution by product, technique medicine simultaneously
Agent is adding less, and reaction condition controls simple；
2) Advanced Oxidation Technics in Dealing based on high-performance compound environmental purification function material is used, its oxidation produced
The sustained release of hydroxyl radical free radical is for up to more than 20min, and emphasis solves conventional Fenton process or class Fenton process produces hydroxyl
The free radical persistent period is short, mud generating capacity is big, operating cost is high, and condition controls the technical bottleneck of difficulty；
3) Advanced Oxidation Technics in Dealing based on high-performance compound environmental purification function material, can will give up indiscriminately
Difficult degradation composition in water carries out the most thoroughly decomposing, and the most as easy as rolling off a log control whole course of reaction has stopped routine in technique
The problem of the hydrogen peroxide residue that Fenton process exists；
4) Advanced Oxidation Technics in Dealing based on high-performance compound environmental purification function material, flow process is simple, controls to hold
Easily, oxidative degradation pollutant efficiency is high, solves the cost of investment existing for ozone class oxidizing process big, poor processing effect, operation
Cost is high, the technical bottleneck problem of complex management.
5) use present treatment technique, the pretreatment of used water difficult to degradate can be carried out, improve the biodegradability of waste water；Also can be right
Secondary biochemical effluent carries out advanced treating, it is ensured that water outlet reaches to discharge water or the standard-required of recycle-water.
6) present treatment technique is widely portable to all Industrial Wastewater Treatment and needs the existing enterprise the most up to standard proposing mark transformation badly
Or require stable water outlet up to standard or the newly-built enterprise of technique reuse, can be widely applied to the fields such as chemical industry, medicine, coking, oil.
Accompanying drawing explanation
Accompanying drawing 1 is the process flow diagram that this utility model system is run.
Remarks: (1): Buffer Pool；(2): pH regulator pond；(3): passivation pool；(4): reaction tank；(5): neutralization pond；(6): heavy
Pond, shallow lake；(7): used water difficult to degradate；(8): water outlet (qualified discharge or reuse)；(9): alkali/acid；(10): Fe (II)/Cu (II)
Salt；(11): composite oxidant；(12): acid；(13): polyacrylamide.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Composite oxidant used by this utility model is a kind of high-performance compound function scavenging material, by Jiangsu Ai Teke
Environmental Engineering Design academy company limited provides, and it is mainly composed of persulfate, yeast lyases, reduced glutathion
Deng, its mechanism of action: under the effect of metal ion catalyst can quickly, sustained release high concentration oxyradical, play it
Oxidation susceptibility, the COD in fully oxidized degraded used water difficult to degradate and Organic substance.
This utility model establish used water difficult to degradate can be effectively treated based on high-performance compound function purify
The advanced oxidation processing system of material and process thereof.As shown in Figure 1, this Advanced Oxidation Technics in Dealing system includes buffering
Pond 1, pH regulator pond 2, passivation pool 3, reaction tank 4, neutralization pond 5 and sedimentation tank 6.Used water difficult to degradate 7 enters in Buffer Pool.Buffer Pool
It is connected with pH regulator pond 2 by Pipeline lift pump；PH regulator pond 2 outlet is connected with passivation pool 3 by pipeline；Passivation pool 3 goes out
The mouth of a river is connected with reaction tank 4 by pipeline；Reaction tank 4 outlet is communicated with neutralization pond 5 by pipeline；Neutralization pond 5 outlet leads to
Piping is connected with sedimentation tank 6 central draft tube, and the water outlet 8 of sedimentation tank 6 enters qualified discharge pond or reuse tank.
In pH regulator pond 2, it is provided with blender, is provided with at its water inlet and adds alkali/acid pump interpolation alkali/acid 9, mixed by stirring
Closing and making the pH of pH regulator pond 2 water outlet is more than 10.Passivation pool 3 arranges flap, adds metal ion at its water inlet and urges
Agent ferrous salt or mantoquita 10, the dosage of ferrous sulfate heptahydrate is preferably 0.10～1.0g/L, and the dosage of copper ion is
More than 1mg/L.The throwing amount of catalyst ferrous salt and the hardly degraded organic substance kind contained by processed waste water, content are relevant, this
Bright pending waste water mainly contains polyvinyl alcohol, polyacrylamide, sodium polyacrylate；Acrylic acid, acrylic acid methyl ester., acetic acid
Vinyl acetate, acrylonitrile, allyl alcohol；Isopropanol, ethanol, formaldehyde；Dodecylbenzene sodium sulfonate, ethylene nonyl phenyl ether；
Dichloromethane, carbon tetrachloride, 1,2-dichloroethanes, vinylidene chloride, cis-1,2-dichloroethene, 1，1，1-trichloroethane, 1,
1,2-trichloroethane, trichloro ethylene, tetrachloroethylene, 1,3-dichloropropylene；Thiuram, Simanex, the one of the grade of benthiocarb has
Machine thing.
The mixed liquor that passivation pool 3 is discharged enters reaction tank 4, through micro-after adding high-performance compound function scavenging material 11
Discharge after gas agitating hybrid reaction；The throwing amount of high-performance compound environmental purification function material is not particularly limited, and it is general
Add concentration and be preferably 5～50mg/L；The hybrid mode of advanced oxidation inorganic agent is not particularly limited, can be stirring, expose
Gas；Oxidation time is also not particularly limited, is generally preferably 1.5～2.5h.
Neutralization pond 5 also is provided with dividing plate, uses acid adding pump to add acid 12 by pH regulator to about 6-8.Then precipitation is being entered
Use dosing pump to add suitable polyacrylamide 13 on the pipeline of pond 6 guide shell, carry out precipitate and separate, supernatant at sedimentation tank 6
The liquid triangle effluent weir draining by sedimentation tank 6 top, the water quality reaching standard discharge of water outlet 8 or reuse, bottom arranges sludge pipe
Utilize sludge pump to be taken away by a small amount of mud produced, fill after carrying out processed.
Unless otherwise specified, described above-mentioned in steps, all carry out under conditions of normal temperature and pressure.
Embodiment 1
Panjin coke-oven plant, Liaoning organic wastewater with difficult degradation thereby, water-quality constituents are complicated, pollutant load.Through oil-water separation+gas
Floating+hydrolysis acidification+contact oxidation technology, water outlet COD200～300mg/L, colourity 300～400 times, it is difficult to meet " town sewage
Pump treatment plant pollutant emission standard " (GB18918-2002) one-level A standard, use this Advanced Oxidation Technics in Dealing to it for this
Water outlet processes.
Processed water enters Buffer Pool, boosted pump pump to pH regulator pond, the sodium hydroxide adding 20%, stirs and fully stirs
Mix mixing so that pH of mixed is 10；At the water inlet of passivation pool, add the ferrous sulfate of 0.8g/L, through flap reactor
Hydraulic mixing mix homogeneously；Then the high-performance compound function adding 45mg/L on passivation pool discharge line purifies material
Material, micro-aeration agitation hybrid reaction 2h；Water inlet at neutralization pond pumps into 20% sulphuric acid again, through dividing plate hydraulic mixing mix homogeneously
After so that the pH of neutralization pond mixed liquor is about 7.5；The pipeline entering sedimentation tank central draft tube pumps into 1.5 ‰ wt's
Polyacrylamide 0.1ml/L, finally enters sedimentation tank and carries out solid-liquid separation, completes the Oxidative Degradation Process of waste water, and water outlet COD puts down
The most about 38.7mg/L, effluent color dilution, almost below 8 times, meets " town sewage pump treatment plant pollutant emission standard "
(GB18918-2002) one-level A standard.
Embodiment 2
Printing and dyeing enterprise collected by the alura printing and dyeing garden sewage treatment plant of Xinjiang processes waste water the most up to standard, enters factory's water
The average 90mg/L of COD, average about 150 times of colourity, it is impossible to meet town sewage pump treatment plant pollutant emission standard "
(GB18918-2002) one-level A standard.Therefore use this Advanced Oxidation Technics in Dealing that it is carried out process up to standard.
Processed water enters Buffer Pool, boosted pump pump to pH regulator pond, the sodium hydroxide adding 10%, stirs and fully stirs
Mix mixing so that pH of mixed is 11；At the water inlet of passivation pool, add the ferrous sulfate of 0.2g/L, through flap reactor
Hydraulic mixing mix homogeneously；Then the high-performance compound function adding 25mg/L on passivation pool discharge line purifies material
Material, micro-aeration agitation hybrid reaction 1.5h；Water inlet at neutralization pond pumps into 10% sulphuric acid again, through the mixing of dividing plate hydraulic mixing all
After even so that the pH of neutralization pond mixed liquor is about 6；The pipeline entering sedimentation tank central draft tube pumps into 1.0 ‰ wt's
Polyacrylamide 0.2ml/L, finally enters sedimentation tank and carries out solid-liquid separation, completes the Oxidative Degradation Process of waste water, and water outlet COD puts down
The most about 35.1mg/L, effluent color dilution, almost below 4 times, meets " town sewage pump treatment plant pollutant emission standard "
(GB18918-2002) one-level A standard.
Embodiment 3
Use Advanced Oxidation Technics in Dealing that Henan Zhumadian pharmacy corporation waste water the most up to standard is carried out advanced treating (not reach
Mark waste water COD about 80mg/L, colourity about 65 times).Processed water enters Buffer Pool, and boosted pump pump, to pH regulator pond, adds 15%
Sodium hydroxide, stir and be thoroughly mixed so that pH of mixed is 12；At the water inlet of passivation pool, add copper sulfate, copper
The dosage of ion is 2mg/L, through the hydraulic mixing mix homogeneously of flap reactor；Then add on passivation pool discharge line
Enter the high-performance compound function scavenging material of 20mg/L, micro-aeration agitation hybrid reaction 2.5h；Again at the water inlet of neutralization pond
Pump into 15% sulphuric acid, after dividing plate hydraulic mixing mix homogeneously so that the pH of neutralization pond mixed liquor is about 8；Entering precipitation
Pump into the polyacrylamide 0.15ml/L of 2.0 ‰ wt on the pipeline of pond central draft tube, finally enter sedimentation tank and carry out solid-liquid and divide
From, completing the Oxidative Degradation Process of waste water, water outlet COD the most about 39.6mg/L, effluent color dilution, almost below 8 times, meets " city
Town sewage pump treatment plant pollutant emission standard " (GB18918-2002) one-level A standard.
Embodiment 4
Taihu Lake basin Jiangsu Province chemical enterprise is after hydrolysis acidification+contact oxidation technology, and (COD is about to process water outlet
148mg/L, colourity about 95 times) can not the requirement of " urban wastewater treatment firm " GB18918-2002 one-level A standard, in order to reach row
Put requirement, take Fenton process that it is carried out advanced treating, reaction pH is adjusted to 2.5, add 4.5g/L ferrous sulfate and
The hydrogen peroxide of 1.5ml30%, carries out Fenton's reaction 2.5h, adds alkali regulation pH to 7.5, water outlet COD about 48.9mg/ after flocculation sediment
L, colourity about 15 times, sludge yield about 1.8kg/ ton water.
The advanced oxidation processes simultaneously using the present invention carries out advanced treating to this water outlet the most up to standard, adds hydrogen in waste water
Sodium oxide regulation pH to 10, after adding 0.45g/L ferrous sulfate mix homogeneously the most wherein, adds on passivation pool discharge line
Enter the high-performance compound function scavenging material of 35mg/L, micro-aeration agitation hybrid reaction 2h；Again at the water inlet pump of neutralization pond
Enter 10% sulphuric acid, after dividing plate hydraulic mixing mix homogeneously so that the pH of neutralization pond mixed liquor is about 7.5；Entering precipitation
Pump into the polyacrylamide 0.2ml/L of 1.0 ‰ wt on the pipeline of pond central draft tube, finally enter sedimentation tank and carry out solid-liquid and divide
From, completing the Oxidative Degradation Process of waste water, water outlet COD the most about 32.6mg/L, effluent color dilution is almost below 4 times, and mud produces
Measure about 0.19kg/ ton water, relatively conventional Fenton process mud decrement about 90%, be greatly saved sludge treatment expense.
The above is only preferred implementation of the present utility model, it should be pointed out that: for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications
Also should be regarded as protection domain of the present utility model.
Claims (2)
1. the advanced oxidation processing system of a waste water, it is characterised in that: include Buffer Pool (1), the pH regulator pond being sequentially connected with
(2), passivation pool (3), reaction tank (4), neutralization pond (5) and sedimentation tank (6)；
Described Buffer Pool (1) is connected with pH regulator pond (2) by Pipeline lift pump, and the outlet of pH regulator pond (2) passes through pipeline
Being connected with passivation pool (3), the outlet of passivation pool (3) is connected with reaction tank (4) by pipeline, and the outlet of reaction tank (4) leads to
Piping communicates with neutralization pond (5), and the outlet of neutralization pond (5) is connected with the central draft tube of sedimentation tank (6) by pipeline, heavy
The water outlet in pond, shallow lake (6) enters qualified discharge pond or reuse tank.
The advanced oxidation processing system of waste water the most according to claim 1, it is characterised in that: described pH regulator pond (2)
In be provided with blender, be provided with at its water inlet and add alkali/acid pump；
Passivation pool arranges flap in (3), is provided with metal ion catalyst at its water inlet and adds entrance；
Neutralization pond (5) is provided with dividing plate and acid adding pump, the pipeline of central draft tube entering sedimentation tank (6) is provided with dosing
Pump；
The bottom of sedimentation tank (6) arranges sludge pipe, utilizes sludge pump to be taken away by the mud of generation.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106116016A (en) * | 2016-06-24 | 2016-11-16 | 江苏艾特克环境工程设计研究院有限公司 | The advanced oxidation processing system of a kind of waste water and process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116016A (en) * | 2016-06-24 | 2016-11-16 | 江苏艾特克环境工程设计研究院有限公司 | The advanced oxidation processing system of a kind of waste water and process thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210721 Address after: No.68, Yigao Road, foreign invested industrial park, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: JIANGSU ATK ENVIRONMENTAL ENGINEERING Ltd. Address before: No.68, Yigao Road, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU ATK ENVIRONMENTAL ENGINEERING DESIGN & RESEARCH INSTITUTE Co.,Ltd. Patentee before: ATK HOLDINGS GROUP Co.,Ltd. Patentee before: JIANGSU ATK ENVIRONMENTAL ENGINEERING Ltd. Patentee before: JIANGSU University |