CN107352740A - A kind of printing and dyeing waste water advanced treatment recovery method - Google Patents

A kind of printing and dyeing waste water advanced treatment recovery method Download PDF

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Publication number
CN107352740A
CN107352740A CN201710623829.0A CN201710623829A CN107352740A CN 107352740 A CN107352740 A CN 107352740A CN 201710623829 A CN201710623829 A CN 201710623829A CN 107352740 A CN107352740 A CN 107352740A
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Prior art keywords
waste water
dyeing waste
oxidation ditch
printing
air floatation
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CN201710623829.0A
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徐建龙
陶国平
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Zhangjiagang Shuang Ying Printing And Dyeing Co Ltd
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Zhangjiagang Shuang Ying Printing And Dyeing Co Ltd
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Priority to CN201710623829.0A priority Critical patent/CN107352740A/en
Publication of CN107352740A publication Critical patent/CN107352740A/en
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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
    • 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
    • C02F1/24—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
    • 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
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical 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
    • C02F1/72—Treatment of water, waste water, or sewage by 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2101/308—Dyes; Colorants; Fluorescent agents
    • 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
    • C02F2201/78—Details relating to ozone treatment devices
    • C02F2201/782—Ozone generators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C02F2209/055—Hardness
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes

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  • 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)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses a kind of printing and dyeing waste water advanced treatment recovery method, and dyeing waste water is passed through into anaerobic oxidation ditch, aerobic oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks successively, recycled；When dyeing waste water enters anaerobic oxidation ditch, to anaerobic oxidation ditch input anaerobism filler, the aerator in anaerobic oxidation ditch acts on 3 5h, then stands 5 8h, facilitates anaerobism biofilm, is discharged into afterwards to aerobic oxidation ditch.Ozone generator can sterilize in UF reaction tanks in the present invention, and ultra-filtration process need not consume the energy, the separable material such as bacterium and colloid, fault rate and leak probability are relatively low, it is simple in construction, it is cheap, efficiently solve the problems, such as dyeing waste water advanced treating, the index such as COD value, pH value, colourity, SS, total hardness, which reaches dyeing Treated sewage reusing standard, in water quality reduces input cost of the enterprise to wastewater treatment, alleviates business burden.

Description

A kind of printing and dyeing waste water advanced treatment recovery method
Technical field
The present invention relates to techniques of Dyeing Wastewater Treatment field, more particularly to a kind of printing and dyeing waste water advanced treatment recovery method.
Background technology
Dyeing waste water is one of main industrial wastewater in China, has the characteristics that water is big, colourity is high, complicated component, right Environment causes serious pollution.By its source point, dyeing waste water mainly includes producing during dyeing, fulling milling and the scouring of wool of woollen mill It is raw using lanolin, acid dyes, auxiliary agent as major pollutants waste water, cotton printing and dyeing mill desizing, kiering, bleaching, mercerising, Using slurry, dyestuff, auxiliary agent, fiber wax and pectin as the waste water of pollutant, ramie textile caused by during dyeing and stamp Waste water caused by during printing and dyeing mill's degumming, dyeing and arrangement using ramie colloid and dyestuff and auxiliary agent as major pollutants, Tiffany textile mills are caused using silk gum and dyestuff, auxiliary agent as the useless of pollutant during filature, concise, dyeing and arrangement Water, knitting mill is in fiber wax caused by alkali contracting, kiering, dyeing and post processing and dyestuff, the waste water that auxiliary agent is pollutant.Print It is complicated to contaminate waste component, colourity at 100~500 times, COD (COD) according to waste water quality it is different from 400mg/L to 2500mg/L, five-day BOD (BOD5) is relatively small, and biodegradability (BOD5/COD) is poor, and suspension reaches 100 ~400mg/L, it is one of industrial wastewater difficult to deal with.
At present, the unit operation of domestic and international treatment of dyeing wastewater can be divided into by principle：Physical treatment process (including dilution method, Natural sedimentation, filtration method, absorption method and centrifugal separation etc.), method of chemical treatment (including neutralisation, coacervation, oxidizing process Deng) and biological treatment (activated sludge process, spray filter tank method, biological oxidation process etc.) 3 major classes；Such as Application No. 201510189929.8 Chinese patent, disclose a kind of printing and dyeing wastewater recovery and disposal method, its innovative point is：Printing and dyeing are useless Water enters regulating reservoir, coagulative precipitation tank, composite aeration activated sludge reaction pond, hydrolysis acidification pool, contact by grid canal successively Oxidation pond, second pond, membrane biological reaction pond and counter-infiltration reaction tank, are recycled.At the printing-dying wastewater recycling of the present invention Reason method, ensures advanced treatment system particularly counter-infiltration system stable operation, and the coagulation-settlement process of setting is pre-processed It is necessary, waste water is purified in coagulative precipitation tank, and at this moment the pollution concentration in water outlet will be greatly diminished, and can be subtracted The operating load of light follow-up biochemical treatment facility.MBR techniques are added on the basis of traditional two stage biological processing, pass through film To the efficient crown_interception of suspension, organic matter in waste water, processing effluent quality is substantially increased, makes waste water using at counter-infiltration It is more reliable to manage reuse, but this method step is more, and MBR techniques and RO systems have been arrived in use in water treatment steps of printing and dyeing System, its cost is larger, and the waste water after processing of printing and dyeing remains unchanged use in printing and dyeing industry, and this makes dyeing waste water big in processing Amplitude improves cost, the burden for the enterprise that increased weight.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention One purpose is to propose a kind of printing and dyeing waste water advanced treatment recovery method, and ozone generator can sterilize in UF reaction tanks, and Ultra-filtration process need not consume the energy, separate the material such as bacterium and colloid, and fault rate and leak probability are relatively low, structure letter It is single, it is cheap, reduce input cost of the enterprise to wastewater treatment, alleviate business burden.
A kind of printing and dyeing waste water advanced treatment recovery method according to embodiments of the present invention, passes through anaerobism successively by dyeing waste water Oxidation ditch, aerobic oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks, are reclaimed Processing.
Further, the dyeing waste water is by the concrete operations of anaerobic oxidation ditch to air floatation machine：Dyeing waste water, which enters, to be detested During oxygen oxidation ditch, to anaerobic oxidation ditch input anaerobism filler, the aerator in anaerobic oxidation ditch acts on 3-5h, then stands 5- 8h, facilitates anaerobism biofilm, is discharged into afterwards to aerobic oxidation ditch, then toward being sprinkled into biologic packing material in aerobic oxidation ditch, it is aerobic Oxidation pond is provided with aerator, and aerator is whole to be started, and aerator effect 5-7h, stands 10- again in aerobic oxidation ditch 12h, facilitate biologic packing material biofilm, place into air floatation machine, toward the interior input decolorising agent of air floatation machine, realized under air floatation machine effect Solid- liquid separation.
Further, the decolorising agent is one kind in flocculating decoloring agent, oxidative decoloration agent and adsorption decolouriser.
Further, the air floatation machine is super efficiency shallow air flotation machine, air flotation turbo, one kind in flat flow air floatation machine.
Further, bottom plate is provided with the centrifugal filtration pond, bottom plate upper end side wall is provided with screen pack, describedly Plate lower end is provided with motor, and the motor rotary head is provided with water inlet, institute with being connected in the middle part of bottom plate above the centrifugal filtration pond State centrifugal filtration pond side and be provided with delivery port.
Further, can be by anaerobism filler, biologic packing material, air floatation machine when the dyeing waste water is by centrifugal filtration pond Caused not tolerant solid removes.
Further, the dyeing waste water is by the concrete operations of contact-oxidation pool to ion-exchanger：After centrifugal filtration Waste water enters contact-oxidation pool, and activated carbon is provided with contact-oxidation pool, and dyeing waste water stops 5-7h, Ran Houjin in contact-oxidation pool Enter ion-exchanger, 3-5h is stopped in ion-exchanger, ion-exchanger can remove the metal ion in recovery dyeing waste water.
Further, the waste water enters in UF reaction tanks after being come out from ion-exchanger, and 3- is acted in UF reaction tanks 5h。
Further, ozone generator is provided with the UF reaction tanks, the dyeing waste water stops in ozone generator 0.5-1h。
Compared with prior art, in the present invention：
1st, dyeing waste water first passes around anaerobic oxidation ditch, aerobic oxidation ditch, is all to enter water-filling using the method for biochemical degradation Processing, the aerator in oxidation ditch are responsible for spreading biologic packing material, reduce the dead angle hole in oxidation ditch, are conveniently raw during standing Thing filler carries out biofilm, the organic matter in dyeing waste water is degraded so that the water concentration after processing substantially reduces, and adds The mobility of dyeing waste water；
2nd, air supporting function makes air be attached in the form of the micro-bubble of high degree of dispersion on suspended particle, causes density small In the state of water, it is kept afloat using law of buoyancy, so as to realize solid- liquid separation, make the not tolerant flocculation in water Into larger particulate matter, decolorising agent can slough the color in water, facilitate follow-up filter operation；
3rd, centrifugal filtration uses motor driven bottom plate, and bottom plate drives screen pack to rotate, the water of water inlet is got rid of from screen pack Go out, finally flowed out from delivery port, improve filter efficiency, while impurity is on bottom plate, easy cleaning；
4th, the peculiar smell and soluble impurity in the adsorbable water of activated carbon in contact-oxidation pool, ion-exchanger can remove water In metal cation, so as to can be reclaimed to metal to it, saved resource；
5th, ozone generator can sterilize in UF reaction tanks, and ultra-filtration process need not consume the energy, separate bacterium and glue The materials such as body, fault rate and leak probability are relatively low, simple in construction, cheap, efficiently solve dyeing waste water depth Reason problem, the index such as COD value, pH value, colourity, SS, total hardness, which reaches dyeing Treated sewage reusing standard, in water quality reduces Enterprise alleviates business burden to the input cost of wastewater treatment.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of flow chart of printing and dyeing waste water advanced treatment recovery method proposed by the present invention.
Fig. 2 is the structure chart of centrifugal filtration in a kind of printing and dyeing waste water advanced treatment recovery method proposed by the present invention.
In figure：1- centrifugal filtrations pond, 2- bottom plates, 3- screen packs, 4- motors, 5- water inlets, 6- delivery ports.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Embodiment 1
Decolorising agent is flocculating decoloring agent；
Air floatation machine is super efficiency shallow air flotation machine；
Reference picture 1, a kind of printing and dyeing waste water advanced treatment recovery method, by dyeing waste water successively by anaerobic oxidation ditch, good Oxygen oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks, are recycled；
Dyeing waste water is by the concrete operations of anaerobic oxidation ditch to air floatation machine：When dyeing waste water enters anaerobic oxidation ditch, to Anaerobic oxidation ditch puts into anaerobism filler, the aerator effect 3h in anaerobic oxidation ditch, then stands 5h, facilitates anaerobism filler to hang Film, it is discharged into afterwards to aerobic oxidation ditch, then toward biologic packing material is sprinkled into aerobic oxidation ditch, aerobic oxidation pond is provided with oxygenation Machine, aerator is whole to be started, and aerator effect 5h, stands 10h, facilitate biologic packing material biofilm again in aerobic oxidation ditch, then It is put into air floatation machine, toward the interior input decolorising agent of air floatation machine, solid- liquid separation is realized under air floatation machine effect；
Reference picture 2, centrifugal filtration pond 1 is interior to be provided with bottom plate 2, and the upper end side wall of bottom plate 2 is provided with screen pack 3, and floor lower end is set Have a motor 4, the model Y225M-L of motor 4, the rotary head of motor 4 is connected with the middle part of bottom plate 2, the top of centrifugal filtration pond 1 be provided with into The mouth of a river 5, the side of centrifugal filtration pond 1 are provided with delivery port 6；, can be by anaerobism filler, biology when dyeing waste water is by centrifugal filtration pond 1 Caused not tolerant solid removes on filler, air floatation machine；
Dyeing waste water is by the concrete operations of contact-oxidation pool to ion-exchanger：Waste water enters contact oxygen after centrifugal filtration To change pond, is provided with activated carbon in contact-oxidation pool, dyeing waste water is in contact-oxidation pool stop 5h, subsequently into ion-exchanger, 3h is stopped in ion-exchanger, ion-exchanger can remove the metal ion in recovery dyeing waste water；
Waste water enters in UF reaction tanks after being come out from ion-exchanger, and 3h is acted in UF reaction tanks；
Ozone generator is provided with UF reaction tanks, dyeing waste water stops 0.5h in ozone generator.
Embodiment 2
Decolorising agent is oxidative decoloration agent；
Air floatation machine is air flotation turbo；
Reference picture 1, a kind of printing and dyeing waste water advanced treatment recovery method, by dyeing waste water successively by anaerobic oxidation ditch, good Oxygen oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks, are recycled；
Dyeing waste water is by the concrete operations of anaerobic oxidation ditch to air floatation machine：When dyeing waste water enters anaerobic oxidation ditch, to Anaerobic oxidation ditch puts into anaerobism filler, the aerator effect 3h in anaerobic oxidation ditch, then stands 6h, facilitates anaerobism filler to hang Film, it is discharged into afterwards to aerobic oxidation ditch, then toward biologic packing material is sprinkled into aerobic oxidation ditch, aerobic oxidation pond is provided with oxygenation Machine, aerator is whole to be started, and aerator effect 6h, stands 11h, facilitate biologic packing material biofilm again in aerobic oxidation ditch, then It is put into air floatation machine, toward the interior input decolorising agent of air floatation machine, solid- liquid separation is realized under air floatation machine effect；
Reference picture 2, centrifugal filtration pond 1 is interior to be provided with bottom plate 2, and the upper end side wall of bottom plate 2 is provided with screen pack 3, and floor lower end is set Have a motor 4, the model Y225M-L of motor 4, the rotary head of motor 4 is connected with the middle part of bottom plate 2, the top of centrifugal filtration pond 1 be provided with into The mouth of a river 5, the side of centrifugal filtration pond 1 are provided with delivery port 6；, can be by anaerobism filler, biology when dyeing waste water is by centrifugal filtration pond 1 Caused not tolerant solid removes on filler, air floatation machine；
Dyeing waste water is by the concrete operations of contact-oxidation pool to ion-exchanger：Waste water enters contact oxygen after centrifugal filtration To change pond, is provided with activated carbon in contact-oxidation pool, dyeing waste water is in contact-oxidation pool stop 6h, subsequently into ion-exchanger, 4h is stopped in ion-exchanger, ion-exchanger can remove the metal ion in recovery dyeing waste water；
Waste water enters in UF reaction tanks after being come out from ion-exchanger, and 4h is acted in UF reaction tanks；
Ozone generator is provided with UF reaction tanks, dyeing waste water stops 0.6h in ozone generator.
Embodiment 3
Decolorising agent is adsorption decolouriser；
Air floatation machine is flat flow air floatation machine；
Reference picture 1, a kind of printing and dyeing waste water advanced treatment recovery method, by dyeing waste water successively by anaerobic oxidation ditch, good Oxygen oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks, are recycled；
Dyeing waste water is by the concrete operations of anaerobic oxidation ditch to air floatation machine：When dyeing waste water enters anaerobic oxidation ditch, to Anaerobic oxidation ditch puts into anaerobism filler, the aerator effect 4h in anaerobic oxidation ditch, then stands 7h, facilitates anaerobism filler to hang Film, it is discharged into afterwards to aerobic oxidation ditch, then toward biologic packing material is sprinkled into aerobic oxidation ditch, aerobic oxidation pond is provided with oxygenation Machine, aerator is whole to be started, and aerator effect 5h, stands 12h, facilitate biologic packing material biofilm again in aerobic oxidation ditch, then It is put into air floatation machine, toward the interior input decolorising agent of air floatation machine, solid- liquid separation is realized under air floatation machine effect；
Reference picture 2, centrifugal filtration pond 1 is interior to be provided with bottom plate 2, and the upper end side wall of bottom plate 2 is provided with screen pack 3, and floor lower end is set Have a motor 4, the model Y225M-L of motor 4, the rotary head of motor 4 is connected with the middle part of bottom plate 2, the top of centrifugal filtration pond 1 be provided with into The mouth of a river 5, the side of centrifugal filtration pond 1 are provided with delivery port 6；, can be by anaerobism filler, biology when dyeing waste water is by centrifugal filtration pond 1 Caused not tolerant solid removes on filler, air floatation machine；
Dyeing waste water is by the concrete operations of contact-oxidation pool to ion-exchanger：Waste water enters contact oxygen after centrifugal filtration To change pond, is provided with activated carbon in contact-oxidation pool, dyeing waste water is in contact-oxidation pool stop 7h, subsequently into ion-exchanger, 5h is stopped in ion-exchanger, ion-exchanger can remove the metal ion in recovery dyeing waste water；
Waste water enters in UF reaction tanks after being come out from ion-exchanger, and 3h is acted in UF reaction tanks；
Ozone generator is provided with UF reaction tanks, dyeing waste water stops 0.8h in ozone generator.
Embodiment 4
Decolorising agent is oxidative decoloration agent；
Air floatation machine is air flotation turbo；
Reference picture 1, a kind of printing and dyeing waste water advanced treatment recovery method, by dyeing waste water successively by anaerobic oxidation ditch, good Oxygen oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks, are recycled；
Dyeing waste water is by the concrete operations of anaerobic oxidation ditch to air floatation machine：When dyeing waste water enters anaerobic oxidation ditch, to Anaerobic oxidation ditch puts into anaerobism filler, the aerator effect 3h in anaerobic oxidation ditch, then stands 8h, facilitates anaerobism filler to hang Film, it is discharged into afterwards to aerobic oxidation ditch, then toward biologic packing material is sprinkled into aerobic oxidation ditch, aerobic oxidation pond is provided with oxygenation Machine, aerator is whole to be started, and aerator effect 7h, stands 12h, facilitate biologic packing material biofilm again in aerobic oxidation ditch, then It is put into air floatation machine, toward the interior input decolorising agent of air floatation machine, solid- liquid separation is realized under air floatation machine effect；
Reference picture 2, centrifugal filtration pond 1 is interior to be provided with bottom plate 2, and the upper end side wall of bottom plate 2 is provided with screen pack 3, and floor lower end is set Have a motor 4, the model Y225M-L of motor 4, the rotary head of motor 4 is connected with the middle part of bottom plate 2, the top of centrifugal filtration pond 1 be provided with into The mouth of a river 5, the side of centrifugal filtration pond 1 are provided with delivery port 6；, can be by anaerobism filler, biology when dyeing waste water is by centrifugal filtration pond 1 Caused not tolerant solid removes on filler, air floatation machine；
Dyeing waste water is by the concrete operations of contact-oxidation pool to ion-exchanger：Waste water enters contact oxygen after centrifugal filtration To change pond, is provided with activated carbon in contact-oxidation pool, dyeing waste water is in contact-oxidation pool stop 7h, subsequently into ion-exchanger, 5h is stopped in ion-exchanger, ion-exchanger can remove the metal ion in recovery dyeing waste water；
Waste water enters in UF reaction tanks after being come out from ion-exchanger, and 5h is acted in UF reaction tanks；
Ozone generator is provided with UF reaction tanks, dyeing waste water stops 0.9h in ozone generator.
Embodiment 5
Decolorising agent is adsorption decolouriser；
Air floatation machine is flat flow air floatation machine；
Reference picture 1, a kind of printing and dyeing waste water advanced treatment recovery method, by dyeing waste water successively by anaerobic oxidation ditch, good Oxygen oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks, are recycled；
Dyeing waste water is by the concrete operations of anaerobic oxidation ditch to air floatation machine：When dyeing waste water enters anaerobic oxidation ditch, to Anaerobic oxidation ditch puts into anaerobism filler, the aerator effect 4h in anaerobic oxidation ditch, then stands 7h, facilitates anaerobism filler to hang Film, it is discharged into afterwards to aerobic oxidation ditch, then toward biologic packing material is sprinkled into aerobic oxidation ditch, aerobic oxidation pond is provided with oxygenation Machine, aerator is whole to be started, and aerator effect 6h, stands 11h, facilitate biologic packing material biofilm again in aerobic oxidation ditch, then It is put into air floatation machine, toward the interior input decolorising agent of air floatation machine, solid- liquid separation is realized under air floatation machine effect；
Reference picture 2, centrifugal filtration pond 1 is interior to be provided with bottom plate 2, and the upper end side wall of bottom plate 2 is provided with screen pack 3, and floor lower end is set Have a motor 4, the model Y225M-L of motor 4, the rotary head of motor 4 is connected with the middle part of bottom plate 2, the top of centrifugal filtration pond 1 be provided with into The mouth of a river 5, the side of centrifugal filtration pond 1 are provided with delivery port 6；, can be by anaerobism filler, biology when dyeing waste water is by centrifugal filtration pond 1 Caused not tolerant solid removes on filler, air floatation machine；
Dyeing waste water is by the concrete operations of contact-oxidation pool to ion-exchanger：Waste water enters contact oxygen after centrifugal filtration To change pond, is provided with activated carbon in contact-oxidation pool, dyeing waste water is in contact-oxidation pool stop 6h, subsequently into ion-exchanger, 4h is stopped in ion-exchanger, ion-exchanger can remove the metal ion in recovery dyeing waste water；
Waste water enters in UF reaction tanks after being come out from ion-exchanger, and 4h is acted in UF reaction tanks；
Ozone generator is provided with UF reaction tanks, dyeing waste water stops 1h in ozone generator.
Reference examples 1
Indices during the treatment of dyeing wastewater of table one is front and rear
By table one can go out, a kind of above-mentioned printing and dyeing waste water advanced treatment recovery method can to COD handling rates in dyeing waste water To reach more than 85%, for being changed greatly before and after pH regulation, said from colourity, colourity reduced rate reaches more than 86%.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (9)

  1. A kind of 1. printing and dyeing waste water advanced treatment recovery method, it is characterised in that：By dyeing waste water successively by anaerobic oxidation ditch, good Oxygen oxidation ditch, air floatation machine, centrifugal filtration pond, contact-oxidation pool, ion-exchanger and UF reaction tanks, are recycled.
  2. A kind of 2. printing and dyeing waste water advanced treatment recovery method according to claim 1, it is characterised in that：The dyeing waste water Concrete operations by anaerobic oxidation ditch to air floatation machine are：When dyeing waste water enters anaerobic oxidation ditch, detest to anaerobic oxidation ditch input Oxygen filler, the aerator effect 3-5h in anaerobic oxidation ditch, then stand 5-8h facilitate anaerobism biofilm, be discharged into afterwards to In aerobic oxidation ditch, then toward biologic packing material is sprinkled into aerobic oxidation ditch, aerobic oxidation pond is provided with aerator, and aerator whole process opens Dynamic, aerator acts on 5-7h in aerobic oxidation ditch, stands 10-12h again, facilitates biologic packing material biofilm, place into air floatation machine It is interior, toward the interior input decolorising agent of air floatation machine, solid- liquid separation is realized under air floatation machine effect.
  3. A kind of 3. printing and dyeing waste water advanced treatment recovery method according to claim 2, it is characterised in that：The decolorising agent is One kind in flocculating decoloring agent, oxidative decoloration agent and adsorption decolouriser.
  4. A kind of 4. printing and dyeing waste water advanced treatment recovery method according to claim 2, it is characterised in that：The air floatation machine is Super efficiency shallow air flotation machine, air flotation turbo, one kind in flat flow air floatation machine.
  5. A kind of 5. printing and dyeing waste water advanced treatment recovery method according to claim 1, it is characterised in that：The centrifugal filtration Be provided with bottom plate in pond, bottom plate upper end side wall is provided with screen pack, and the floor lower end is provided with motor, the motor rotary head with It is connected in the middle part of bottom plate, is provided with water inlet above the centrifugal filtration pond, centrifugal filtration pond side is provided with delivery port.
  6. A kind of 6. printing and dyeing waste water advanced treatment recovery method according to claim 5, it is characterised in that：The dyeing waste water During by centrifugal filtration pond, caused not tolerant solid on anaerobism filler, biologic packing material, air floatation machine can be removed.
  7. A kind of 7. printing and dyeing waste water advanced treatment recovery method according to claim 1, it is characterised in that：The dyeing waste water Concrete operations by contact-oxidation pool to ion-exchanger are：Waste water enters contact-oxidation pool, contact-oxidation pool after centrifugal filtration Interior to be provided with activated carbon, dyeing waste water stops 5-7h in contact-oxidation pool, subsequently into ion-exchanger, stopped in ion-exchanger 3-5h is stayed, ion-exchanger can remove the metal ion in recovery dyeing waste water.
  8. A kind of 8. printing and dyeing waste water advanced treatment recovery method according to claim 1, it is characterised in that：The waste water from from Sub- exchanger enters in UF reaction tanks after coming out, and 3-5h is acted in UF reaction tanks.
  9. A kind of 9. printing and dyeing waste water advanced treatment recovery method according to claim 8, it is characterised in that：The UF reaction tanks Interior to be provided with ozone generator, the dyeing waste water stops 0.5-1h in ozone generator.
CN201710623829.0A 2017-07-27 2017-07-27 A kind of printing and dyeing waste water advanced treatment recovery method Pending CN107352740A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108191164A (en) * 2018-01-30 2018-06-22 芜湖富春染织股份有限公司 A kind of dyeing and weaving wastewater treatment decoloring process

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CN104086043A (en) * 2014-06-24 2014-10-08 芜湖富春染织有限公司 Printing and dyeing wastewater treatment and recovery method
US20160257589A1 (en) * 2012-09-13 2016-09-08 D.C. Water & Sewer Authority Method and apparatus for nitrogen removal in wastewater
CN106957132A (en) * 2017-04-07 2017-07-18 绍兴柯桥江滨水处理有限公司 A kind of swinging oxidation ditch process joint ozone and activated carbon handles the method and device of dyeing waste water

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Publication number Priority date Publication date Assignee Title
US20160257589A1 (en) * 2012-09-13 2016-09-08 D.C. Water & Sewer Authority Method and apparatus for nitrogen removal in wastewater
CN203187476U (en) * 2013-04-04 2013-09-11 浙江沁园水处理科技有限公司 Ultra-filtration water purifier of ozone sterilization ultra-filtration water purifier device system
CN104086043A (en) * 2014-06-24 2014-10-08 芜湖富春染织有限公司 Printing and dyeing wastewater treatment and recovery method
CN106957132A (en) * 2017-04-07 2017-07-18 绍兴柯桥江滨水处理有限公司 A kind of swinging oxidation ditch process joint ozone and activated carbon handles the method and device of dyeing waste water

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108191164A (en) * 2018-01-30 2018-06-22 芜湖富春染织股份有限公司 A kind of dyeing and weaving wastewater treatment decoloring process

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Application publication date: 20171117