CN108191129A - High salt waste water integrated processing system that contains of dicamba - Google Patents
High salt waste water integrated processing system that contains of dicamba Download PDFInfo
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- CN108191129A CN108191129A CN201711404782.5A CN201711404782A CN108191129A CN 108191129 A CN108191129 A CN 108191129A CN 201711404782 A CN201711404782 A CN 201711404782A CN 108191129 A CN108191129 A CN 108191129A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 53
- IWEDIXLBFLAXBO-UHFFFAOYSA-N dicamba Chemical compound COC1=C(Cl)C=CC(Cl)=C1C(O)=O IWEDIXLBFLAXBO-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 150000003839 salts Chemical class 0.000 title abstract description 9
- 239000005504 Dicamba Substances 0.000 title abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 11
- 238000005345 coagulation Methods 0.000 claims abstract description 10
- 230000015271 coagulation Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims abstract description 9
- 238000002425 crystallisation Methods 0.000 claims abstract description 8
- 230000008025 crystallization Effects 0.000 claims abstract description 8
- 238000001223 reverse osmosis Methods 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001728 nano-filtration Methods 0.000 claims description 11
- 241000758789 Juglans Species 0.000 claims description 10
- 235000009496 Juglans regia Nutrition 0.000 claims description 10
- 235000020234 walnut Nutrition 0.000 claims description 10
- 239000006004 Quartz sand Substances 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 9
- 230000001112 coagulating effect Effects 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 8
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 239000012510 hollow fiber Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 4
- 235000013409 condiments Nutrition 0.000 claims description 3
- 238000001471 micro-filtration Methods 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000108 ultra-filtration Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- -1 wherein Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000011257 shell material Substances 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000655 anti-hydrolysis Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003054 hormonal effect Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003375 plant hormone Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F2101/306—Pesticides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a dicamba high salt waste water integrated processing system, include the coagulation reaction unit that communicates in proper order through the pipeline, the air supporting precipitation unit, compound filter unit, the PH adjusting element, the evaporation crystallization unit, the neutralization unit, little electrolysis unit, fenton reaction unit and membrane separation unit, the little electrolysis reaction unit of set, MVR evaporimeter and fenton reaction unit, it is high to have improved dicamba waste water salt content, produce secondary pollution's problem to the environment of receiving, not only make waste water degradation more abundant thorough, retrieve useful material's effect, can also reach and reduce energy consumption, reduce the effect of working costs and waste water treatment time.
Description
Technical field
The present invention relates to technical field of waste water processing, more particularly to a kind of Mediben high slat-containing wastewater integrated treatment system
System.
Background technology
Mediben also known as Dicamba, for spraying after seedling, medicament can be absorbed by the leaf of weeds, stem, root quickly, pass through bast
Portion and xylem conduct up and down, focus mostly at the vigorous position of separate living tissue and metabolic activity, hinder the normal of plant hormone
Activity and make weeds dead.Mediben is decomposed at about 200 DEG C, is stablized under normal circumstances, has anti-oxidant and hydrolysis resistance,
Mediben waste water salt content is higher, is generally handled again by catalytic oxidation after 3%~5%, the current dilution using big yield, water
Serious waste of resources, process operation is extremely unstable, and water outlet is difficult to up to standard and can not effectively remove waste water during the treatment
In salts substances, although treated, waste water reaches emission request, draining on the conventional indexs such as COD, BOD, ammonia nitrogen
Salt content is high, and such waste water can cause the salt content of receiving environment to increase, certain journey is caused to receiving environment after being discharged into environment
The secondary pollution of degree.
Invention content
To overcome the above disadvantages and insufficient, one of the objects of the present invention is to provide a kind of Mediben high slat-containing wastewater is comprehensive
Processing system is closed, Mediben waste water salt content height is improved, secondary pollution is led to the problem of to receiving environment.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Mediben high slat-containing wastewater total system, including be sequentially communicated by pipeline coagulating unit,
Air supporting precipitation unit, combined filtration unit, PH adjustings unit, evaporative crystallization unit, neutralisation unit, light electrolysis unit, Fenton are anti-
Unit and film separation unit are answered, wherein:Coagulating unit：Including coagulation reactor, added with medicament in the coagulation reactor；
Air supporting precipitation unit：Including air supporting sedimentation basin, air dissolved pump and dissolving；Combined filtration unit：Including Compound filter pool and recoil
Cleaning device, the Compound filter pool is interior to be filled with filtrate；PH adjusts unit：Including PH regulating reservoirs, PH to 8-10 is adjusted；Evaporative crystallization
Unit：Including MVR evaporators and crystallizer；Neutralisation unit：Including neutralization pond, PH to 6-7 is adjusted；Light electrolysis unit：Including micro-
Electrolysis reaction device；Fenton's reaction unit：Including sequentially connected level-one Fenton's reaction device and two level Fenton's reaction device, institute
State level-one Fenton's reaction device and at least one photoelectricity Fenton for using gas-diffusion electrode of the two level Fenton's reaction device
Reaction unit；Film separation unit：It is described reverse osmosis including sequentially connected tubular type membrane separation device and reverse osmosis membrane separation device
Membrane separation device connection production pond；
In one of the embodiments, the processing system further include for the pipeline of transport wastewater between each unit and
Elevator pump.
The tubular type membrane separation device uses Hollow Fiber Ultrafiltration microfiltration membranes in one of the embodiments, wherein, it is hollow
Fiber film wire quantity is more than 2500.
In one of the embodiments, the filter bed height in the Compound filter pool be 1.5-2m, the filtrate for quartz sand,
Activated carbon and coarse grain walnut shell filtering material, wherein, the quartz sand, activated carbon and coarse grain walnut shell filtering material are in Compound filter pool from upper
It is set gradually under, and the volume ratio of the quartz sand, activated carbon and coarse grain walnut shell filtering material is 1:2.5:1.
The reverse osmosis membrane separation device includes the cartridge filter set gradually, high pressure in one of the embodiments,
Pump, one section of reverse osmosis/nano-filtration unit, booster pump, two sections of reverse osmosis/nano-filtration units, circulating pump, three sections of reverse osmosis/nano-filtration units.
The micro-electrolysis reaction device includes several independent micro-electrolysis reaction units in one of the embodiments, if
The dry micro-electrolysis reaction unit side-by-side series setting, forms multistage baffling micro electrolytic reaction system.
Iron carbon filler is filled in the micro-electrolysis reaction unit in one of the embodiments, the light electrolysis is anti-
The volume ratio of iron carbon condiment in unit is answered to account for the 1/2~2/3 of micro-electrolysis reaction unit volume.
The medicament is PAC and PAM in one of the embodiments,.
The air supporting sedimentation basin is air-dissolving air-float in one of the embodiments,.
Compared with prior art, a kind of Mediben high slat-containing wastewater total system of the invention has following
Advantageous effect：
1st, micro-electrolysis reaction device handles Mediben high slat-containing wastewater using the electrochemical reaction of galvanic principles, filling
Iron carbon filler in reactor can greatly improve the biodegradability of waste water, coloration and heavy metal be removed, for water quality water
The variation of amount has extremely strong adaptive ability, alleviates the work load of administrative staff and operating personnel, saving medicament makes
Dosage, and micro-electrolysis reaction device makes Mediben high-salt wastewater in each autoreaction list using multistage baffling micro electrolytic reaction system
Member can fully react, and avoid the easily short stream of traditional tower reactor, react the problem of insufficient.
2nd, concentrated water is evaporated using MVR evaporators, the solid that generation is crystallized in crystallizer is recycled or innoxious
Landfill, can not only play the role of processing waste water, recycle utility, moreover it is possible to reach reduction energy consumption, reduce running cost
Result.
3rd, Fenton's reaction device includes sequentially connected level-one Fenton's reaction device and two level Fenton's reaction device, wherein,
Level-one Fenton's reaction device and two level Fenton's reaction device are at least one to be filled using the photoelectricity Fenton's reaction of gas-diffusion electrode
It puts, wastewater degradation is made more fully thoroughly, to reduce the wastewater treatment time, effectively reduce energy consumption.
4th, reverse osmosis membrane separation device is to be changed to three sections of level-one using reducing single hop membrane flux, increasing processing hop count, two
Section and three sections of modes for adding circulating pump, make every putamina end concentrated water flow in every section of reverse osmosis/nano-filtration unit reach one
Fixed setting value to improve every film surface flow velocity, can make equipment stable operation, and improve the rate of recovery of system.
5th, gather micro-electrolysis reaction device, MVR evaporators and Fenton's reaction device, improve Mediben waste water salt content
Height leads to the problem of secondary pollution to receiving environment, and wastewater degradation is not only made more fully thoroughly, to recycle the work of utility
With, moreover it is possible to reach reduction energy consumption, reduce operating cost and the effect of wastewater treatment time.
Description of the drawings
Fig. 1 is a kind of structure diagram of Mediben high slat-containing wastewater total system of the present invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that make to understand more the disclosure
Add thorough and comprehensive.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more
The arbitrary and all combination of relevant Listed Items.
Embodiment 1
Referring to Fig. 1, a kind of Mediben high slat-containing wastewater total system, including the coagulation being sequentially communicated by pipeline
Reaction member, air supporting precipitation unit, combined filtration unit, PH adjust unit, evaporative crystallization unit, neutralisation unit, light electrolysis list
Member, Fenton's reaction unit and film separation unit, the processing system further include the pipeline for the transport wastewater between each unit with
And elevator pump.
Mediben high slat-containing wastewater is handled using above-mentioned processing system, processing procedure includes the following steps：
S1, coagulating：Coagulating unit includes coagulation reactor, and coagulation reactor is interior added with PAC and PAM, waste water
It is lifted into the coagulation reactor of coagulating unit, and under the action of medicament PAC and PAM through pump, carries out coagulating
10 minutes so that some polymer, colloidal type substance, larger molecular organics in waste water can be formed it is cotton-shaped, in favor of subsequently locating
Reason step removes；
S2, air supporting precipitation：Air supporting precipitation unit includes air supporting sedimentation basin, air dissolved pump and dissolving, by coagulating
Waste water afterwards is entered in the air supporting sedimentation basin of air supporting precipitation unit, and air supporting sedimentation basin uses air-dissolving air-float, to remove in waste water
Petroleum substance and suspended matter, the scum silica frost that air supporting sedimentation basin generates enters sludge-tank with bed mud and is further processed, gas
The water outlet that floating sedimentation basin generates enters combined filtration unit；
S3, combined filtration：Combined filtration unit includes Compound filter pool and back purge system, is filled in the Compound filter pool
Filtrate, the filter bed height in the Compound filter pool are 1.5-2m, and the filtrate is quartz sand, activated carbon and the filter of coarse grain walnut shell
Material, wherein, the quartz sand, activated carbon and coarse grain walnut shell filtering material are set gradually, and described from top to bottom in Compound filter pool
The volume ratio of quartz sand, activated carbon and coarse grain walnut shell filtering material is 1:2.5:1, waste water in composite filting pool from top to bottom successively
Absorption is filtered by the filtration of quartz sand, activated carbon and coarse grain walnut shell, the suspended material in waste water is further removed, through multiple
It closes the production water after filtering ponds filtering and enters intermediate water tank, and stopped 0.5 hour in water tank, made with playing certain buffering
With preventing from being evacuated in subsequent step；
S4, PH are adjusted：PH adjusts unit and includes PH regulating reservoirs, adjusts PH to 8-10；
S5, evaporative crystallization：Evaporative crystallization unit includes MVR evaporators and crystallizer；
S6, neutralization reaction：Neutralisation unit includes neutralization pond, adjusts PH to 6-7；
S7, light electrolysis：Light electrolysis unit includes micro-electrolysis reaction device, and micro-electrolysis reaction device includes several independent micro-
Cell reaction unit, several micro-electrolysis reaction unit side-by-side series settings, forms multistage baffling micro electrolytic reaction system, light electrolysis
Filled with iron carbon filler in reaction member, the volume ratio of iron carbon condiment accounts for micro-electrolysis reaction cell cube in micro-electrolysis reaction unit
Long-pending 1/2, micro-electrolysis reaction device handle Mediben high slat-containing wastewater using the electrochemical reaction of galvanic principles, are filled in
Iron carbon filler in reactor can greatly improve the biodegradability of waste water, coloration and heavy metal be removed, for water quality and quantity
Variation there is extremely strong adaptive ability, alleviate the work load of administrative staff and operating personnel, save medicament use
Amount, and micro-electrolysis reaction device makes Mediben high-salt wastewater in respective reaction member using multistage baffling micro electrolytic reaction system
It can fully react, avoid the easily short stream of traditional tower reactor, react the problem of insufficient；
S8, Fenton's reaction：Fenton's reaction unit includes sequentially connected level-one Fenton's reaction device and two level Fenton's reaction
Device, the level-one Fenton's reaction device and at least one light for using gas-diffusion electrode of the two level Fenton's reaction device
Electro-Fenton reaction device makes wastewater degradation more fully thoroughly, reduce the wastewater treatment time, effectively reduce energy consumption；
S9, UF membrane：Film separation unit includes sequentially connected tubular type membrane separation device and reverse osmosis membrane separation device, institute
Reverse osmosis membrane separation device connection production pond is stated, tubular type membrane separation device uses Hollow Fiber Ultrafiltration microfiltration membranes, wherein, hollow fibre
It ties up film wire quantity and is more than 2500, increase the membrane area effectively filtered, and the impurity being trapped is easily drained, reduce through liquid stream
Dynamic path resistance, while the impulse force effect backwashed can reach 100%, effectively prolong the service life, reverse osmosis membrane point
From device include set gradually cartridge filter, high-pressure pump, one section of reverse osmosis/nano-filtration unit, booster pump, two sections it is reverse osmosis/
Nano-filtration unit, circulating pump, three sections of reverse osmosis/nano-filtration units, reverse osmosis membrane separation device is using reducing single hop membrane flux, at increase
Reason hop count is changed to three sections of level-one, in two sections and three sections of modes for adding circulating pump, makes every in every section of reverse osmosis/nano-filtration unit
Branch putamina end concentrated water flow reaches certain setting value, to improve every film surface flow velocity, can make equipment stable operation, and
The rate of recovery of raising system.
How what effect for not having reference examples conventional in the past, protrude our good
1 waste water quality (unit of table：mg/l)
| Pollutant index | CODCr | BOD5 | NH3-N | SS | PH |
| Pollutant concentration | 24311 | 2534 | 563 | 132 | 13-14 |
2 wastewater treatment result of table
With reference to Tables 1 and 2 it is found that Mediben high slat-containing wastewater total system of the present invention, anti-using set light electrolysis
Device, MVR evaporators and Fenton's reaction device are answered, improves Mediben waste water salt content height, secondary dirt is generated to receiving environment
The problem of dye, can effectively remove pollutants, the production water such as COD, BOD, SS, NH3-N in waste water and reach《Integrated wastewater discharge mark
It is accurate》(GB8978-1996) requirement of I grades of discharge standards in, ton water process operating cost are about 20 yuan, such useless far below handling
The operating cost of other processing systems of water not only makes wastewater degradation more fully thoroughly, recycle the effect of utility, moreover it is possible to
Reach reduction energy consumption, reduce operating cost and the effect of wastewater treatment time.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of Mediben high slat-containing wastewater total system, which is characterized in that including the coagulation being sequentially communicated by pipeline
Reaction member, air supporting precipitation unit, combined filtration unit, PH adjust unit, evaporative crystallization unit, neutralisation unit, light electrolysis list
Member, Fenton's reaction unit and film separation unit, wherein:Coagulating unit：Including coagulation reactor, in the coagulation reactor
Added with medicament；Air supporting precipitation unit：Including air supporting sedimentation basin, air dissolved pump and dissolving；Combined filtration unit：Including composite filter
Pond and back purge system, the Compound filter pool is interior to be filled with filtrate；PH adjusts unit：Including PH regulating reservoirs, PH to 8-10 is adjusted；
Evaporative crystallization unit：Including MVR evaporators and crystallizer；Neutralisation unit：Including neutralization pond, PH to 6-7 is adjusted；Light electrolysis list
Member：Including micro-electrolysis reaction device；Fenton's reaction unit：It is anti-including sequentially connected level-one Fenton's reaction device and two level Fenton
Device is answered, the level-one Fenton's reaction device and the two level Fenton's reaction device are at least one to utilize gas-diffusion electrode
Photoelectricity Fenton's reaction device；Film separation unit：Including sequentially connected tubular type membrane separation device and reverse osmosis membrane separation device, institute
State reverse osmosis membrane separation device connection production pond.
A kind of 2. Mediben high slat-containing wastewater total system according to claim 1, which is characterized in that the processing
System is further included for the pipeline and elevator pump of the transport wastewater between each unit.
3. a kind of Mediben high slat-containing wastewater total system according to claim 1 or 2, which is characterized in that described
Tubular type membrane separation device uses Hollow Fiber Ultrafiltration microfiltration membranes, wherein, hollow fiber film thread quantity is more than 2500.
4. a kind of Mediben high slat-containing wastewater total system according to claim 3, which is characterized in that described compound
Filter bed height in filter tank is 1.5-2m, and the filtrate is quartz sand, activated carbon and coarse grain walnut shell filtering material, wherein, the stone
Sand, activated carbon and coarse grain walnut shell filtering material are set gradually from top to bottom in Compound filter pool, and the quartz sand, activated carbon and
The volume ratio of coarse grain walnut shell filtering material is 1:2.5:1.
A kind of 5. Mediben high slat-containing wastewater total system according to claim 1, which is characterized in that the reverse osmosis
Permeable membrane separator include the cartridge filter set gradually, high-pressure pump, one section of reverse osmosis/nano-filtration unit, booster pump, two sections it is anti-
Infiltration/nano-filtration unit, circulating pump, three sections of reverse osmosis/nano-filtration units.
A kind of 6. Mediben high slat-containing wastewater total system according to claim 1, which is characterized in that micro- electricity
It solves reaction unit and includes several independent micro-electrolysis reaction units, several micro-electrolysis reaction unit side-by-side series settings, shape
Into multistage baffling micro electrolytic reaction system.
A kind of 7. Mediben high slat-containing wastewater total system according to claim 6, which is characterized in that micro- electricity
It solves and iron carbon filler is filled in reaction member, the volume ratio of iron carbon condiment accounts for micro-electrolysis reaction in the micro-electrolysis reaction unit
The 1/2 ~ 2/3 of unit volume.
A kind of 8. Mediben high slat-containing wastewater total system according to claim 1, which is characterized in that the medicament
For PAC and PAM.
A kind of 9. Mediben high slat-containing wastewater total system according to claim 1, which is characterized in that the air supporting
Sedimentation basin is air-dissolving air-float.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711404782.5A CN108191129A (en) | 2017-12-22 | 2017-12-22 | High salt waste water integrated processing system that contains of dicamba |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711404782.5A CN108191129A (en) | 2017-12-22 | 2017-12-22 | High salt waste water integrated processing system that contains of dicamba |
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| CN108191129A true CN108191129A (en) | 2018-06-22 |
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| CN201711404782.5A Pending CN108191129A (en) | 2017-12-22 | 2017-12-22 | High salt waste water integrated processing system that contains of dicamba |
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Cited By (1)
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| CN110526495A (en) * | 2019-08-12 | 2019-12-03 | 中原环资科技有限公司 | A kind of novel waste emulsified mixture treatment process |
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