CN105692952A - Treatment method of textile wastewater - Google Patents
Treatment method of textile wastewater Download PDFInfo
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- CN105692952A CN105692952A CN201610046197.1A CN201610046197A CN105692952A CN 105692952 A CN105692952 A CN 105692952A CN 201610046197 A CN201610046197 A CN 201610046197A CN 105692952 A CN105692952 A CN 105692952A
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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Abstract
The invention relates to a treatment method of textile wastewater in the technical field of spinning. The treatment method comprises the following steps of step one, taking the textile wastewater, regulating the pH (Potential of Hydrogen) value to be 7 to 8, and filtering; regulating the pH value to be 3 to 4, aerating, and filtering; step two, discharging wastewater into an oxidation tank, adding a strong oxidant, aerating, placing for 4 to 12 hours, and filtering; step three, discharging the wastewater into an oxidation and reduction tank containing iron scraps, regulating the pH value to be 4 to 5, aerating, and filtering; step four, discharging the wastewater into a first flocculation tank, carrying out first flocculation, and filtering; discharging the wastewater into a second flocculation tank, carrying out second flocculation, and filtering; step five, adsorbing the wastewater through an adsorption material, filtering, and discharging. According to the treatment method of the textile wastewater, disclosed by the invention, the textile wastewater can be effectively treated, and an excellent treatment effect on the textile wastewater which is increasingly serious in pollution at present is obtained; after the process in the invention is adopted for treating the textile wastewater, the treatment effect is remarkable, and the treated textile wastewater is remarkably superior to the emission standard regulated by the nation.
Description
Technical field
The present invention relates to textile technology field, be specifically related to the processing method of a kind of textile waste。
Background technology
There is plurality of textile printing and dyeing enterprises in China, dyeing waste water is the waste water that the printing and dyeing mill that processing cotton, numb, chemical fibre and blending product thereof are main discharges, and wastewater in textile printing and dyeing industry colourity is deep, alkaline greatly, organic pollution content is high, change of water quality is big, constituent is complicated；Containing pollutant such as various slurries additional in the dirt on textile fabric, oils and fats, salt and the course of processing, dyestuff, surfactant, auxiliary agent, soda acids in waste water, COD and the BOD content in waste water is high；The indexs such as the colourity of waste water are generally far above discharge standard, and discharge capacity is big, and concentration is high, and difficult degradation deals with difficulty very big。
The operation of textile printing and dyeing processing all can discharge waste water, pretreatment stage (include singing, desizing, boiling-off, bleaching, the operation such as mercerising) discharge desized wastewater, boiled-off waste water, bleaching effluent and mercerizing waste water, dyeing process discharges dyeing waste-water, revenue stamp process discharges printing waste water and soap lye waste water, and arranging process is discharged and arranged waste water。When, after the kinds of fibers and processing technique change of dyeing and printing process and employing, waste water quality will have large change。As when waste water contains the alkali decrement waste water produced in terylene artificial silk dyeing process, the CODCr of waste water will be increased to 2000～more than 3000mg/L, BOD5 increases to more than 800mg/L, pH value reaches 11.5-12, and waste water quality increases with the addition of terylene artificial silk printing and dyeing alkali decrement waste water and worsens；When in the alkali decrement waste water added, the amount of CODCr exceedes the amount 20% of CODCr in wastewater, biochemical treatment would become hard to adapt to。
Development along with the fine fabric of chemistry, the raising that the rise of Silk and finishing process in printing and dye-ing require, the hardly degraded organic substances such as PVA slurry, artificial silk alkaline hydrolysis thing, new dye, auxiliary agent enter textile printing and dyeing wastewater in a large number, traditional waste water treatment process is constituted serious challenge, COD concentration also rises to 3000～5000 milligrams per liter rapidly from original hundreds of milligrams per liter, and difficulty of governance increases further；Also making common biological treatment system CODcr clearance drop to about 50% from 70%, even lower, textile printing and dyeing wastewater CODcr clearance is only about 30% by the traditional chemical sedimentation method and By Bubble-floating Method, and traditional treatment method receives serious challenge。
Mercerising indigo plant, the mercerising dyeing and printing process such as pitch black dark blue, special black, special is have developed according to foreign market, this kind of technique uses sulfur dye, printing and dyeing assistant sodium sulfide etc. in a large number, cause in waste water containing substantial amounts of sulfide, the necessary dosing pretreatment of such waste water, then seriation process is carried out again, could discharging by stably reaching standard, the improvement of waste water is more difficult and complicated。
Textile printing and dyeing wastewater processes in processing procedure, also can produce the gas with foreign flavor such as hydrogen sulfide, methanthiol, methyl sulfide, ammonia, these gas with foreign flavor are because of its polluting property, belong to industry foul gas, also it is the key factor of haze formation, but for a long time, in production practices, the process paid attention to waste water, do not pay attention to the improvement of gas with foreign flavor in processing procedure more。
At present, textile printing and dyeing wastewater treatment technology has physico-chemical process, biochemical process, electrochemical process, chemical method and photochemical method etc., and wherein based on biochemical process, what have also connects chemical method with it；Though textile printing and dyeing wastewater is processed and has their own characteristics each by various process techniques, but there is also certain limitation。Water quality characteristics according to textile printing and dyeing wastewater, needs to solve the difficult problems such as the extremely slow organic matter of the basicity of dyeing waste water, not easily biological-degradable or biodegradation rate, coloring matter and noxious substance in the process processed；Processing method, based on biological treatment, needs to be aided with pretreatment and the physical chemistry depth logos of necessity simultaneously。Pretreatment mainly has: regulate (water quality and quantity homogenizing), neutralization, chrome wastewater processes, the dense foot water pretreatment of dyestuff。Conventional materializing strategy technique is mainly coagulant sedimentation and mixed condensed gas flotation process。Additionally, electrolysis, biological activated carbon method and chemical oxidization method etc. are also used in treatment of dyeing wastewater sometimes。Biological treatment is mainly aerobic method, and what adopt at present has activated sludge process, biological contact oxidation process, biological rotating disk and tower biological filter etc.。For improving the biodegradability of waste water, anoxia, anaerobic technique have also been applied in treatment of dyeing wastewater。The treatment technology of existing textile printing and dyeing wastewater is more single, cotton industry waste water through biological treatment after typically up to less than discharge standard, it is impossible to the chemical processing device of different types of effectively also connecting after biological treatment device is further processed。
Through the literature search of prior art is found, Chinese invention patent 200910136664.X discloses the processing method of a kind of wastewater in textile printing and dyeing industry on (July 20 2011 day for announcing), described method comprises the following steps that high chroma dyeing stock solution is carried out pretreatment by A: the stock solution that dyeed by high chroma injects color reaction pond, then adds flocculant FeCl3, dosage is 200-400mg/L high chroma dyeing stock solution, and the time of staying is 5-7h；B homogenizes process: by the product of step A, other waste water and waste liquid with draw outward organic wastewater and put into regulating reservoir, and the time of staying is 7-9h；C biochemical treatment: the water outlet of regulating reservoir sequentially enters hydrolysis acidification pool, Aerobic Pond and sedimentation tank, sewage is 45-50h at this stage residence time；Flocculation treatment after D: add flocculant FeSO in the water outlet of step C4Carry out rear flocculation treatment；After treatment, effluent quality meets the I grade standard of GB4287-92 " textile dyeing and finishing industrial water pollution thing discharge standard " table 3。But being as the day by day complicated of present textile waste component, intractability increases, and the method recorded in patent cannot meet the needs that production is actual now。
The technique that Chinese invention patent 200510092957.8 (publication date on May 13rd, 2015) discloses the process of a kind of textile printing and dyeing wastewater and reuse, comprise the steps: pre-treatment, in textile waste, regulating reservoir enters one-level flotation tank by elevator pump, by the reflux ratio and dissolved-air pressure regulating flotation tank, the impurity such as the lint in waste water are removed further, and increase the dissolved oxygen content in waste water；Carry out biochemical treatment afterwards, utilize domestication, waste water after one-level air-flotation process is carried out the aerobic decomposition of Organic substance by the carrier type thermopnore composite membrane mud reactor after biofilm, by stirring, aeration makes the dissolved oxygen in waste water be maintained at proper level, this process make the Organic substance in waste water obtain most degraded, subsequently in activated sludge tank, further Organic substance is carried out aerobic decomposition, after biological decomposition, waste water is introduced sedimentation tank after, the active sludge biological got off by wastewater sedimentation is back in CBR reaction tank, and sedimentation tank water outlet reaches discharge standard；Post processing, second pond supernatant water outlet is to secondary air-floatation pond, by regulating reflux ratio and the dissolved-air pressure of flotation tank, remove useless impurities in water and suspended particulate substance and colloid further, it is ensured that the water quality index of wastewater effluent, then again waste water is introduced in ozone oxidation pond, by the strong oxidizing property of ozone, the Organic substance being difficult in biological treatment process explain is degraded further, and utilizes the decoloration performance of ozone, it is ensured that the colourity of water outlet。This patent can process pollution concentration height, and colourity is high, the textile printing and dyeing wastewater that water quality is unstable。But owing to current textile printing and dyeing wastewater composition is day by day complicated, therefore it is difficult to obtain good treatment effect when the method for application this patent processes。
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is an object of the invention to provide the processing method of a kind of textile waste。The method of the present invention can process textile waste effectively。
The present invention is realized by following method, the present invention relates to the processing method of a kind of textile waste, comprises the steps:
Step one, takes textile waste, and adjustment pH value is 7-8, filters；Adjustment pH is 3-4, aeration, filters；
Step 2, enters oxidation tank by waste water, adds strong oxidizer, aeration, places 4-12 hour, filters；
Step 3, enters the oxidoreduction tank equipped with iron filings by waste water, and adjustment pH is 4-5, aeration, filters；
Step 4, enters the first flocculation tank by waste water, carries out first time flocculation, filters；Enter the second flocculation tank, carry out second time flocculation, filter；
Step 5, adsorbs waste water then through adsorbing material, filters, discharge。
Preferably, it is filtered into employing nonwoven fabric filter described in or quartz sand is filtered。
Preferably, the time of described aeration is 50-100 minute。
Preferably, in step 2, described strong oxidizer includes each component of following parts by weight: potassium permanganate 3-6 part, aluminum sulfate 20-40 part, iron sulfate 30-40 part, aluminium polychlorid 20-40 part, sodium chlorate 10-20 part, ammonium peroxydisulfate 10-15 part, sodium bismuthate 1-20 part。
Preferably, in step 3, the particle diameter of described iron filings is 3-6mm。
Preferably, in step 4, the flocculation of described first time comprises the steps: to add by FeSO4And FeCl3The flocculant of composition, FeSO4Input amount is 60-80mg/L, FeCl3Input amount is 130-180mg/L, and the time of staying is 4-8 hour。
Preferably, in step 4, the flocculation of described second time comprises the steps: to add flocculant, and input amount is 200-290mg/L, and the time of staying is 4-8 hour；Described flocculant includes each component of following weight fraction: polyaluminium sulfate 10-20 part, sodium aluminate 2-5 part, kieselguhr 7-11 part, Borax 4-9 part, aluminum chloride 10-15 part, bodied ferric sulfate 12-18 part。
Preferably, in step 5, described adsorbing material includes each component of following weight fraction: active bentonite 30-40 part, activated attapulgite clay 60-70 part, bodied ferric sulfate 1-5 part, polyacrylamide 1-4 part, calcium oxide 30-50 part, aluminium potassium sulfate 12-18 part, kieselguhr 2-4 part, activated carbon 20-26 part。
Preferably, in step 5, described adsorbing material includes each component of following weight fraction: active bentonite 36 parts, activated attapulgite clay 65 parts, bodied ferric sulfate 3 parts, polyacrylamide 3 parts, calcium oxide 40 parts, aluminium potassium sulfate 16 parts, 3 parts of kieselguhr, activated carbon 23 parts。
Compared with prior art, the present invention has following beneficial effect: the method for the present invention can process textile waste effectively, has the treatment effect of excellence for polluting now day by day serious textile waste。After adopting the PROCESS FOR TREATMENT textile waste of the present invention, obvious processing effect is better than prior art, and is significantly better than the discharge standard of national regulation。
Detailed description of the invention
Below in conjunction with embodiment, the application is described in further detail。It is understood that specific embodiment described herein is used only for explaining related invention, but not the restriction to this invention。It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined。
Embodiment 1
The present embodiment relates to the processing method of a kind of textile waste, comprises the steps:
Step one, takes textile waste, and pH value of adjusting is 7, adopts nonwoven fabric filter to filter；Regulating pH is 3, aeration 50 minutes, adopts nonwoven fabric filter to filter；
Step 2, enters oxidation tank by waste water, adds strong oxidizer, aeration 50 minutes, places 4 hours, adopts quartz sand filtration；Described strong oxidizer includes each component of following parts by weight: 3 parts of potassium permanganate, 20 parts of aluminum sulfate, 30 parts of iron sulfate, aluminium polychlorid 20 parts, 10 parts of sodium chlorate, ammonium peroxydisulfate 10 parts, sodium bismuthate 1 part；Use by every cubic metre of consumption putting into 0.5kg；
Step 3, enters the oxidoreduction tank equipped with iron filings by waste water, and regulating pH is 4, and aeration 50 minutes adopts quartz sand filtration；Described iron filings particle diameter be 3-4mm；
Step 4, enters the first flocculation tank by waste water, carries out first time flocculation, filters；Enter the second flocculation tank, carry out second time flocculation, filter；The flocculation of described first time comprises the steps: to add by FeSO4And FeCl3The flocculant of composition, FeSO4Input amount is 60mg/L, FeCl3Input amount is 130mg/L, and the time of staying is 8 hours；The flocculation of described second time comprises the steps: to add flocculant, and input amount is 200mg/L, and the time of staying is 4 hours；Described flocculant includes each component of following weight fraction: polyaluminium sulfate 10 parts, sodium aluminate 2 parts, 7 parts of kieselguhr, Borax 4 parts, 10 parts of aluminum chloride, bodied ferric sulfate 12 parts；
Step 5, adsorbs waste water then through adsorbing material, quartz sand filtration, discharge；Described adsorbing material includes each component of following weight fraction: active bentonite 30 parts, activated attapulgite clay 60 parts, bodied ferric sulfate 1 part, polyacrylamide 1 part, calcium oxide 30 parts, aluminium potassium sulfate 12 parts, 2 parts of kieselguhr, activated carbon 20 parts。
Implementation result: the textile waste of certain textile printing and dyeing factory is bottle green, abnormal smells from the patient is pungent, and frowziness, and pH is 8.5, COD is 295mg/L, and colourity is 30 times；C0D=45mg/L after process, effluent color dilution is 2 times, and pH is 7；COD clearance reaches 84.7%, and chroma removal rate reaches 93.3%。In prior art, after treatment, COD clearance only reaches about 75% to similar waste water, and speed clearance is about 70%；Country's textile dyeing and finishing emission of industrial pollutants standard (GB427-82) regulation, COD reaches 100mg/L, and colourity is at 40 times, and pH is 6-9；The obvious processing effect of the present embodiment is better than prior art, and is significantly better than the discharge standard of national regulation。
Embodiment 2
The present embodiment relates to the processing method of a kind of textile waste, comprises the steps:
Step one, takes textile waste, and pH value of adjusting is 8, adopts nonwoven fabric filter to filter；Regulating pH is 4, aeration 80 minutes, adopts nonwoven fabric filter to filter；
Step 2, enters oxidation tank by waste water, adds strong oxidizer, aeration 80 minutes, places 8 hours, adopts quartz sand filtration；Described strong oxidizer includes each component of following parts by weight: 5 parts of potassium permanganate, 30 parts of aluminum sulfate, 35 parts of iron sulfate, aluminium polychlorid 30 parts, 15 parts of sodium chlorate, ammonium peroxydisulfate 13 parts, sodium bismuthate 15 parts；Use by every cubic metre of consumption putting into 0.7kg；
Step 3, enters the oxidoreduction tank equipped with iron filings by waste water, and regulating pH is 5, and aeration 90 minutes adopts quartz sand filtration；Described iron filings particle diameter be 4-5mm；
Step 4, enters the first flocculation tank by waste water, carries out first time flocculation, filters；Enter the second flocculation tank, carry out second time flocculation, filter；The flocculation of described first time comprises the steps: to add by FeSO4And FeCl3The flocculant of composition, FeSO4Input amount is 70mg/L, FeCl3Input amount is 150mg/L, and the time of staying is 6 hours；The flocculation of described second time comprises the steps: to add flocculant, and input amount is 260mg/L, and the time of staying is 6 hours；Described flocculant includes each component of following weight fraction: polyaluminium sulfate 15 parts, sodium aluminate 3 parts, 9 parts of kieselguhr, Borax 6 parts, 14 parts of aluminum chloride, bodied ferric sulfate 15 parts；
Step 5, adsorbs waste water then through adsorbing material, quartz sand filtration, discharge；Described adsorbing material includes each component of following weight fraction: active bentonite 36 parts, activated attapulgite clay 65 parts, bodied ferric sulfate 3 parts, polyacrylamide 3 parts, calcium oxide 40 parts, aluminium potassium sulfate 16 parts, 3 parts of kieselguhr, activated carbon 23 parts。
Implementation result: the textile waste of certain textile printing and dyeing factory is royal purple, abnormal smells from the patient is pungent, and frowziness, and pH is 9, COD is 13500mg/L, and colourity is 1400 times；C0D=1200mg/L after process, effluent color dilution is 30 times；COD clearance reaches 91.1%, and chroma removal rate reaches 97.9%。
Embodiment 3
The present embodiment relates to the processing method of a kind of textile waste, comprises the steps:
Step one, takes textile waste, and pH value of adjusting is 8, adopts nonwoven fabric filter to filter；Regulating pH is 4, and aeration 100 minutes adopts quartz sand filtration；
Step 2, enters oxidation tank by waste water, adds strong oxidizer, aeration 80 minutes, places 12 hours, adopts quartz sand filtration；Described strong oxidizer includes each component of following parts by weight: 6 parts of potassium permanganate, 40 parts of aluminum sulfate, 40 parts of iron sulfate, aluminium polychlorid 40 parts, 20 parts of sodium chlorate, ammonium peroxydisulfate 15 parts, sodium bismuthate 20 parts；Use by every cubic metre of consumption putting into 0.8kg；
Step 3, enters the oxidoreduction tank equipped with iron filings by waste water, and regulating pH is 4, and aeration 100 minutes adopts quartz sand filtration；Described iron filings particle diameter be 5-6mm；
Step 4, enters the first flocculation tank by waste water, carries out first time flocculation, filters；Enter the second flocculation tank, carry out second time flocculation, filter；The flocculation of described first time comprises the steps: to add by FeSO4And FeCl3The flocculant of composition, FeSO4Input amount is 80mg/L, FeCl3Input amount is 180mg/L, and the time of staying is 8 hours；The flocculation of described second time comprises the steps: to add flocculant, and input amount is 290mg/L, and the time of staying is 8 hours；Described flocculant includes each component of following weight fraction: polyaluminium sulfate 20 parts, sodium aluminate 5 parts, 11 parts of kieselguhr, Borax 9 parts, 15 parts of aluminum chloride, bodied ferric sulfate 18 parts；
Step 5, adsorbs waste water then through adsorbing material, quartz sand filtration, discharge；Described adsorbing material includes each component of following weight fraction: active bentonite 40 parts, activated attapulgite clay 70 parts, bodied ferric sulfate 5 parts, polyacrylamide 4 parts, calcium oxide 50 parts, aluminium potassium sulfate 18 parts, 4 parts of kieselguhr, activated carbon 26 parts。
Implementation result: the textile waste of certain textile printing and dyeing factory is glassy yellow, belongs to serious pollution sewage, and abnormal smells from the patient is pungent, and frowziness, and pH is 4, COD is 50000mg/L, and colourity is 600 times；C0D=8000mg/L after process, effluent color dilution is 20 times；COD clearance reaches 84%, and chroma removal rate reaches 96.7%。
The applicant of the present invention through substantial amounts of research, have been surprisingly found that the technical scheme of the present invention have purpose less than technique effect。The processing method of the present invention step to processing, the factor such as parameter has carried out specific combination, and then achieves the treatment effect of excellence。In the processing method of the present invention, first take textile waste, filter after adjustment pH；Aeration filtration after regulating again；The sulfide in waste water and basic stain can be effectively removed in such process, provide good condition for subsequent treatment；
In the step of the present invention, waste water is entered oxidation tank, add strong oxidizer, aeration, place 4-12 hour, filter；This process step can effectively remove the sulfide of residual, soluble dye and the dye of positive ion in waste water further；In conventional processes, use single-oxidizer cannot meet the process requirement of textile waste in production at present, the selection of oxidant and consumption are limited by the pollution level of waste water and the requirement of subsequent processing steps, if the selection of oxidant and consumption are inappropriate, then it is difficult to process the waste water of serious pollution, or subsequent processing steps is impacted, if the oxidability of oxidant crosses strong or consumption is too much, subsequent treatment can have a strong impact on the processing procedure of oxidoreduction tank, the effect causing follow-up removal azo dyes weakens significantly, it is unfavorable for follow-up flocculation simultaneously, and water outlet can cause secondary pollution containing too much strong oxidizer, reduce the treatment effect of sewage。Present invention employs composite strong oxidizer, this oxidant includes potassium permanganate, aluminum sulfate, iron sulfate, aluminium polychlorid, sodium chlorate, ammonium peroxydisulfate, sodium bismuthate；Use by every cubic metre of consumption putting into 0.5-0.8kg, can not only effectively process the severe textile waste existed in producing at present, remove sulfide, soluble dye and dye of positive ion excellent effect, and will not produce to significantly affect to the oxidoreduction tank process of follow-up use iron filings, ensure that subsequent step removes the good result of azo dye, and in water outlet, the oxidant of residual, containing less, does not result in secondary pollution。
In step of the present invention, waste water entering the oxidoreduction tank equipped with iron filings, adjustment pH is 4-5, aeration, filters；This step can remove the azo dye of residual；The simultaneously treatment effect of the present invention and the selection of the strong oxidizer in previous step and consumption has close affects relation, if strong oxidizer selects or consumption is improper during previous step processes, can cause that this step removes the effect extreme difference of azo dye。
In the step of the present invention, creatively have employed two step flocculation process, be obviously improved the effect of flocculation, be obviously improved the treatment effect of waste water。Specifically, two step flocculation process include: waste water enters the first flocculation tank, carry out first time flocculation, filter；Enter the second flocculation tank, carry out second time flocculation, filter；When the present invention carries out flocculating for the first time, adopt FeSO4And FeCl3Composite formation flocculant, effectively promotes flocculating effect；Meanwhile, the present invention carries out second time flocculation, and the flocculant used is complex composition。Thoroughly quickly, flco consolidation, settling velocity is fast, and flocculation adsorption dyestuff is effective, is particularly suited for the flocculation treatment of the coloured sewage of severe in decolouring。The second time flocculation of the present invention is composite flocculant, including polyaluminium sulfate, sodium aluminate, kieselguhr, Borax, aluminum chloride, bodied ferric sulfate, processing of flocculation for the first time has close relationship between the process of second time flocculation, especially the kind selection of flocculant, consumption and the time of process。As being preferably carried out mode, first time flocculation comprises the steps: to add by FeSO4And FeCl3The flocculant of composition, the time of staying is 4-8 hour, FeSO4Input amount is 60-80mg/L, FeCl3Input amount is 130-180mg/L。Second time flocculation comprises the steps: to add flocculant, and input amount is 200-290mg/L, and the time of staying is 4-8 hour；Described flocculant includes each component of following weight fraction: polyaluminium sulfate 10-20 part, sodium aluminate 2-5 part, kieselguhr 7-11 part, Borax 4-9 part, aluminum chloride 10-15 part, bodied ferric sulfate 12-18 part。This preferred embodiment in, will not clash between the flocculant that twice flocculation uses, flocculating effect is very excellent, about 35% is at least promoted than traditional flocculation treatment effect, flco is consolidation very, settling rate promotes more than 15% relative to traditional handicraft, and for leather, the serious pollution waste water such as printing and dyeing has the flocculating effect of excellence。
In the process step of the present invention, finally waste water is adsorbed then through adsorbing material, filter, discharge。Traditional suction type, being difficult to the textile waste that reply is polluted now day by day, the present invention adopts composite adsorbing material, it is possible to effectively promote the treatment effect of absorption, relative to traditional adsorption treatment, as individually adopted activated carbon to adsorb, the present invention adopts composite adsorbing material, and the effect of absorption can promote 40%, there is significant effect, water outlet color after adsorption treatment is limpid, free from extraneous odour, and has very excellent treatment effect in reply serious pollution preventing and treating waste water。As preferred embodiment, the present invention adopts following composite adsorbing material, this composite adsorbing material includes each component of following weight fraction: active bentonite 30-40 part, activated attapulgite clay 60-70 part, bodied ferric sulfate 1-5 part, polyacrylamide 1-4 part, calcium oxide 30-50 part, aluminium potassium sulfate 12-18 part, kieselguhr 2-4 part, activated carbon 20-26 part。This composite adsorbing material can the various materials of active adsorption serious pollution textile waste, effective lifting processes the color of water outlet, reduce abnormal flavour, it is greatly improved the treatment effect of sewage, even if serious pollution textile waste, also can meet such as indexs such as GB4287-92 " textile dyeing and finishing industrial water pollution thing discharge standard ", country'ies textile dyeing and finishing emission of industrial pollutants standard (GB427-82)。
In sum, the method for the present invention can process textile waste effectively, has the treatment effect of excellence for polluting now day by day serious textile waste。After adopting the PROCESS FOR TREATMENT textile waste of the present invention, obvious processing effect is better than prior art, is significantly better than the discharge standard of national regulation。
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle。Skilled artisan would appreciate that, invention scope involved in the application, it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, when also should be encompassed in without departing from described inventive concept simultaneously, other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed。Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme that formed。
Claims (9)
1. the processing method of a textile waste, it is characterised in that the treating method comprises following steps:
Step one, takes textile waste, and adjustment pH value is 7-8, filters；Adjustment pH is 3-4, aeration, filters；
Step 2, enters oxidation tank by waste water, adds strong oxidizer, aeration, places 4-12 hour, filters；
Step 3, enters the oxidoreduction tank equipped with iron filings by waste water, and adjustment pH is 4-5, aeration, filters；
Step 4, enters the first flocculation tank by waste water, carries out first time flocculation, filters；Enter the second flocculation tank, carry out second time flocculation, filter；
Step 5, adsorbs waste water then through adsorbing material, filters, discharge。
2. the processing method of textile waste according to claim 1, it is characterised in that described in be filtered into employing nonwoven fabric filter or quartz sand be filtered。
3. the processing method of textile waste according to claim 1, it is characterised in that the time of described aeration is 50-100 minute。
4. the processing method of textile waste according to claim 1, it is characterized in that, in step 2, described strong oxidizer includes each component of following parts by weight: potassium permanganate 3-6 part, aluminum sulfate 20-40 part, iron sulfate 30-40 part, aluminium polychlorid 20-40 part, sodium chlorate 10-20 part, ammonium peroxydisulfate 10-15 part, sodium bismuthate 1-20 part。
5. the processing method of textile waste according to claim 1, it is characterised in that in step 3, the particle diameter of described iron filings is 3-6mm。
6. the processing method of textile waste according to claim 1, it is characterised in that in step 4, the flocculation of described first time comprises the steps: to add by FeSO4And FeCl3The flocculant of composition, FeSO4Input amount is 60-80mg/L, FeCl3Input amount is 130-180mg/L, and the time of staying is 4-8 hour。
7. the processing method of textile waste according to claim 1, it is characterised in that in step 4, the flocculation of described second time comprises the steps: to add flocculant, and input amount is 200-290mg/L, and the time of staying is 4-8 hour；Described flocculant includes each component of following weight fraction: polyaluminium sulfate 10-20 part, sodium aluminate 2-5 part, kieselguhr 7-11 part, Borax 4-9 part, aluminum chloride 10-15 part, bodied ferric sulfate 12-18 part。
8. the processing method of textile waste according to claim 1, it is characterized in that, in step 5, described adsorbing material includes each component of following weight fraction: active bentonite 30-40 part, activated attapulgite clay 60-70 part, bodied ferric sulfate 1-5 part, polyacrylamide 1-4 part, calcium oxide 30-50 part, aluminium potassium sulfate 12-18 part, kieselguhr 2-4 part, activated carbon 20-26 part。
9. the processing method of textile waste according to claim 8, it is characterized in that, in step 5, described adsorbing material includes each component of following weight fraction: active bentonite 36 parts, activated attapulgite clay 65 parts, bodied ferric sulfate 3 parts, polyacrylamide 3 parts, calcium oxide 40 parts, aluminium potassium sulfate 16 parts, 3 parts of kieselguhr, activated carbon 23 parts。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107129074A (en) * | 2017-06-23 | 2017-09-05 | 河海大学 | A kind of synchronous method for removing the pollutant such as silicon, iron, manganese in underground water |
| CN107162266A (en) * | 2017-06-14 | 2017-09-15 | 常州市五洲环保科技有限公司 | The method that textile waste recycling prepares submicron order calcium base rigid material |
| CN109534547A (en) * | 2018-12-14 | 2019-03-29 | 绍兴布泰纺织印染有限公司 | A kind of printing-dyeing waste water treatment process |
| CN109678283A (en) * | 2018-12-07 | 2019-04-26 | 浙江染化宝检测服务有限公司 | A kind of technique for the treatment of textile dyeing waste water |
| CN110028179A (en) * | 2019-04-22 | 2019-07-19 | 广东溢达纺织有限公司 | Mercerising device |
| TWI715110B (en) * | 2018-07-19 | 2021-01-01 | 德商艾瑞岡研究發展公司 | Vorrichtung und verfahren zur reinigung von mit elektrolyten und farbstoffen verunreinigtem abwasser |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335274A (en) * | 2001-08-31 | 2002-02-13 | 天津市塘沽区鑫磊环保科技开发有限公司 | Treatment method of textile printing industry effluent |
| CN1597546A (en) * | 2004-07-30 | 2005-03-23 | 天津大学 | Method of treating waste water of DSD acid producing process by oxidation /flocculation |
| CN101560035A (en) * | 2009-05-21 | 2009-10-21 | 潍坊金丝达印染有限公司 | Printing and dyeing sewage recycling treatment method |
| CN101696066A (en) * | 2009-10-29 | 2010-04-21 | 同济大学 | Method for removing organic pollutants from water by drinking water enhanced treatment |
| CN104176810A (en) * | 2013-05-20 | 2014-12-03 | 新昌县中发环保材料有限公司 | High-efficiency multifunctional remover and preparation method thereof |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
| CN104291424A (en) * | 2014-10-29 | 2015-01-21 | 山东华亚环保科技有限公司 | Flocculating agent for textile sewage |
-
2016
- 2016-01-22 CN CN201610046197.1A patent/CN105692952B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335274A (en) * | 2001-08-31 | 2002-02-13 | 天津市塘沽区鑫磊环保科技开发有限公司 | Treatment method of textile printing industry effluent |
| CN1597546A (en) * | 2004-07-30 | 2005-03-23 | 天津大学 | Method of treating waste water of DSD acid producing process by oxidation /flocculation |
| CN101560035A (en) * | 2009-05-21 | 2009-10-21 | 潍坊金丝达印染有限公司 | Printing and dyeing sewage recycling treatment method |
| WO2010133151A1 (en) * | 2009-05-21 | 2010-11-25 | 潍坊金丝达印染有限公司 | Organic wastewater recycling treatment method |
| CN101696066A (en) * | 2009-10-29 | 2010-04-21 | 同济大学 | Method for removing organic pollutants from water by drinking water enhanced treatment |
| CN104176810A (en) * | 2013-05-20 | 2014-12-03 | 新昌县中发环保材料有限公司 | High-efficiency multifunctional remover and preparation method thereof |
| CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
| CN104291424A (en) * | 2014-10-29 | 2015-01-21 | 山东华亚环保科技有限公司 | Flocculating agent for textile sewage |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162266A (en) * | 2017-06-14 | 2017-09-15 | 常州市五洲环保科技有限公司 | The method that textile waste recycling prepares submicron order calcium base rigid material |
| CN107129074A (en) * | 2017-06-23 | 2017-09-05 | 河海大学 | A kind of synchronous method for removing the pollutant such as silicon, iron, manganese in underground water |
| TWI715110B (en) * | 2018-07-19 | 2021-01-01 | 德商艾瑞岡研究發展公司 | Vorrichtung und verfahren zur reinigung von mit elektrolyten und farbstoffen verunreinigtem abwasser |
| CN109678283A (en) * | 2018-12-07 | 2019-04-26 | 浙江染化宝检测服务有限公司 | A kind of technique for the treatment of textile dyeing waste water |
| CN109534547A (en) * | 2018-12-14 | 2019-03-29 | 绍兴布泰纺织印染有限公司 | A kind of printing-dyeing waste water treatment process |
| CN110028179A (en) * | 2019-04-22 | 2019-07-19 | 广东溢达纺织有限公司 | Mercerising device |
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