CN107857392A - A kind of method of integrated membrane separation technique processing dyeing waste water - Google Patents

A kind of method of integrated membrane separation technique processing dyeing waste water Download PDF

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Publication number
CN107857392A
CN107857392A CN201711167406.9A CN201711167406A CN107857392A CN 107857392 A CN107857392 A CN 107857392A CN 201711167406 A CN201711167406 A CN 201711167406A CN 107857392 A CN107857392 A CN 107857392A
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Prior art keywords
waste water
water
milipore filter
dyeing waste
filter
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Pending
Application number
CN201711167406.9A
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Chinese (zh)
Inventor
黄智锋
左绪俊
杨家奎
康玲
郭涛
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HEFEI TRANSCENDENT TECHNOLOGY Co Ltd
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HEFEI TRANSCENDENT TECHNOLOGY Co Ltd
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Priority to CN201711167406.9A priority Critical patent/CN107857392A/en
Publication of CN107857392A publication Critical patent/CN107857392A/en
Pending legal-status Critical Current

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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
    • C02F1/28—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
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/444—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
    • C02F1/5236—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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • 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

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)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The present invention discloses a kind of method of integrated membrane separation technique processing dyeing waste water, comprises the following steps：Take dyeing waste water to stand, filter；Add flocculant and stir；Stand, carry out clarified separation processing；Filtering is carried out to the waste water after clarified separation to add hydrochloric acid that mass concentration is 31% and adjust the pH value of solution to 68；Ultrafiltration membrance filter：Ultrafiltration membrance filter, obtain milipore filter water outlet and milipore filter concentrated water；Adsorption bleaching processing:Milipore filter water outlet and macroreticular resin reaction are subjected to adsorption bleaching, obtain macroporous resin adsorption water outlet；Reverse osmosis membrane filtration：Macroporous resin adsorption water obtains transparent pure water through reverse osmosis membrane filtration.The present invention is by the way that waste water is handled through operations such as absorption, clarified separation, ultrafiltration membrance filter, decolorization and reverse osmosis membrane filtrations, so that the waste water after processing meets emission request, greatly reduce printing and dyeing industry water resources consumption amount and wastewater discharge, entreprise cost is reduced, while reduces the influence to ecological environment.

Description

A kind of method of integrated membrane separation technique processing dyeing waste water
Technical field
The invention belongs to industrial waste water treatment, is related to a kind of integrated membrane separation technique processing dyeing waste water Method.
Background technology
Dyeing waste water has big water, organic pollution content height, alkalescence is big, change of water quality is big, complicated component, colourity Height, noxious material are more and are always the emphasis and difficult point of waste water treatment technical study the features such as seriously polluting environment.Particularly The development of chemical ＆ blended fabric in recent years and the progress of finishing process in printing and dye-ing technology, new dye species largely occurs, and molecular structure It is complicated and stably, considerably increase wastewater treatment difficulty.Because dyeing waste water is difficult, the advanced treating of dyeing waste water is drawn always Play the very big attention of people.Original technique includes preprocessing part, biological treatment part and Treatment of Sludge part, be primarily present with Lower shortcoming：It is costly in the place of excess sludge；The single needs that can not have met practice with bioanalysis；Sometimes for Add the pretreatment of one of raising wastewater biodegradability in its front end, improve investment and operating cost.Novel film materials and film point Appearance from technology makes the processing of dyeing waste water have a good solution method, and membrane separation technique is due to separative efficiency The advantages that high, saving power and preventing pollution is contaminated, technique is simple and convenient to operate, process is easy to control, integrated membrane process is by ultrafiltration (UF) and reverse osmosis The technology such as (RO) or nanofiltration (NF) is used in combination thoroughly, and integrated membrane separating process can not only reach the processing requirement to sewage, and And the pollution of film can be mitigated, it is a kind of effective sewage disposal scheme, formation disclosure satisfy that various recycling purposes Wastewater deep treatment process, have very big development potentiality on advanced treatment and reuse of dyeing waste water.
The content of the invention
It is an object of the invention to provide a kind of method of integrated membrane separation technique processing dyeing waste water, can effectively solve existing There is dyeing waste water, discharge of wastewater be present and be unsatisfactory for that discharge standard, cost for wastewater treatment are high and to effectively cause ecological environment contaminated The problem of.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of method of integrated membrane separation technique processing dyeing waste water, comprises the following steps：
S1, a certain amount of dyeing waste water sample is taken, the waste water is stood, filtered, remove upper strata floating object and seabed sediment；
S2, flocculant is added, and be stirred with 30-500r/min rotating speed；
S3, by the solution left standstill 4-12h after stirring, treat that flock is settled down to container bottom, and carry out clarified separation processing；
S4, the waste water after clarified separation is filtered, remove graininess residual suspension contained in waste water；
S5, mass concentration will be added in step S4 waste water as 31% hydrochloric acid, and adjust the pH value of solution so that solution PH value be adjusted to 6-8, obtain pretreatment fluid；
S6, ultrafiltration membrance filter：Pretreatment fluid is subjected to ultrafiltration membrance filter, obtains milipore filter water outlet and milipore filter concentrated water；
S7, adsorption bleaching processing:The milipore filter water outlet obtained in step S6 and macroreticular resin reaction are subjected to adsorption bleaching, Obtain macroporous resin adsorption water outlet；
S8, reverse osmosis membrane filtration：, can be by macroreticular resin by the macroporous resin adsorption water in step S7 through reverse osmosis membrane filtration Salt and impurity and water in absorption water separate, and obtain transparent pure water.
Further, the flocculant weight added in the step S2 and useless water weight ratio are 0.5-1.5：10000.
Further, the flocculant aqueous solution by mass concentration be 0.1%-3% PAMC, it is non-from Sub- polyacrylamide, aluminium polychloride, iron chloride, one kind in the aluminium iron sulfate aqueous solution any several combine.
Further, the time that clarified separation is handled in the step S3 is 60-120min.
Further, milipore filter uses milipore filter of the precision for 0.1um in the step S6, milipore filter producing water ratio control In 90-95%.
Further, the volume ratio of milipore filter water outlet and macroreticular resin is 100 in the step S7：1-3.
Further, the macroreticular resin is 1 by volume ratio：1 2%-5% sodium hydroxides mix with 2%-8% sodium chloride Conjunction is made.
Beneficial effects of the present invention：
The present invention is by the way that waste water is grasped through absorption, clarified separation, ultrafiltration membrance filter, decolorization and reverse osmosis membrane filtration etc. Deal with, the salt in dyeing waste water can effectively be handled so that the waste water after processing meets emission request, realizes print Waste water reclamation recovery is contaminated, greatly reduces printing and dyeing industry water resources consumption amount and wastewater discharge, entreprise cost is reduced, reduces simultaneously Influence to ecological environment.
Embodiment
Below in conjunction with embodiments of the invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the present invention In embodiment, all other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
Embodiment 1：
S1, a certain amount of dyeing waste water sample is taken, the waste water is stood, filtered, remove upper strata floating object and seabed sediment；
S2, flocculant is added, the flocculant weight used is 0.5 with useless water weight ratio：10000, the flocculant is water-soluble Liquid by mass concentration be 0.1% PAMC, non-ionic polyacrylamide, aluminium polychloride, iron chloride or sulphur The sour ferro-aluminum aqueous solution, and be stirred with 30r/min rotating speed；
S3, by the solution left standstill 4h after stirring, treat that flock is settled down to container bottom, and carry out clarified separation processing, it is clear The time of clear separating treatment is 60min；
S4, the waste water after clarified separation is filtered, remove graininess residual suspension contained in waste water；
S5, mass concentration will be added in step S4 waste water as 31% hydrochloric acid, and adjust the pH value of solution so that solution PH value be adjusted to 6, obtain pretreatment fluid；
S6, ultrafiltration membrance filter：Pretreatment fluid is subjected to ultrafiltration membrance filter, obtains milipore filter water outlet and milipore filter concentrated water, institute The milipore filter stated uses milipore filter of the precision for 0.1um, and the milipore filter producing water ratio is controlled in 90-95%；
S7, adsorption bleaching processing:The milipore filter water outlet obtained in step S6 and macroreticular resin reaction are subjected to adsorption bleaching, Obtain macroporous resin adsorption water outlet, the volume ratio of the milipore filter water outlet and macroreticular resin is 100：1, wherein macroreticular resin is by body Product is than being 1：1 2% sodium hydroxide is mixed with 2% sodium chloride；
S8, reverse osmosis membrane filtration：, can be by macroreticular resin by the macroporous resin adsorption water in step S7 through reverse osmosis membrane filtration Salt and impurity and water in absorption water separate, and obtain transparent pure water.
Embodiment 2：
S1, a certain amount of dyeing waste water sample is taken, the waste water is stood, filtered, remove upper strata floating object and seabed sediment；
S2, flocculant is added, the flocculant weight used is 1 with useless water weight ratio：10000, the flocculant aqueous solution It is made up of the PAMC that mass concentration is 0.1%-3% with the non-ionic polyacrylamide aqueous solution, polyaluminium Aluminium forms with ferric chloride in aqueous solution or chlorination molten iron forms with the aluminium iron sulfate aqueous solution, forms each composition in flocculant aqueous solution Volume is equal, and is stirred with 200r/min rotating speed；
S3, by the solution left standstill 8h after stirring, treat that flock is settled down to container bottom, and carry out clarified separation processing, it is clear The time of clear separating treatment is 90min；
S4, the waste water after clarified separation is filtered, remove graininess residual suspension contained in waste water；
S5, mass concentration will be added in step S4 waste water as 31% hydrochloric acid, and adjust the pH value of solution so that solution PH value be adjusted to 7, obtain pretreatment fluid；
S6, ultrafiltration membrance filter：Pretreatment fluid is subjected to ultrafiltration membrance filter, obtains milipore filter water outlet and milipore filter concentrated water, institute The milipore filter stated uses milipore filter of the precision for 0.1um, and the milipore filter producing water ratio is controlled in 90-95%；
S7, adsorption bleaching processing:The milipore filter water outlet obtained in step S6 and macroreticular resin reaction are subjected to adsorption bleaching, Obtain macroporous resin adsorption water outlet, the volume ratio of the milipore filter water outlet and macroreticular resin is 100：2, wherein macroreticular resin is by body Product is than being 1：1 3% sodium hydroxide is mixed with 6% sodium chloride；
S8, reverse osmosis membrane filtration：, can be by macroreticular resin by the macroporous resin adsorption water in step S7 through reverse osmosis membrane filtration Salt and impurity and water in absorption water separate, and obtain transparent pure water.
Embodiment 3：
S1, a certain amount of dyeing waste water sample is taken, the waste water is stood, filtered, remove upper strata floating object and seabed sediment；
S2, flocculant is added, the flocculant weight used is 1.5 with useless water weight ratio：10000, and with 500r/min's Rotating speed is stirred, and the flocculant aqueous solution is gathered by PAMC, the nonionic that mass concentration is 0.1%-3% Acrylamide, aluminium polychloride, iron chloride and the aluminium iron sulfate aqueous solution form, and form the body of each composition of flocculant aqueous solution Product is equal；
S3, by the solution left standstill 12h after stirring, treat that flock is settled down to container bottom, and carry out clarified separation processing, it is clear The time of clear separating treatment is 120min；
S4, the waste water after clarified separation is filtered, remove graininess residual suspension contained in waste water；
S5, mass concentration will be added in step S4 waste water as 31% hydrochloric acid, and adjust the pH value of solution so that solution PH value be adjusted to 8, obtain pretreatment fluid；
S6, ultrafiltration membrance filter：Pretreatment fluid is subjected to ultrafiltration membrance filter, obtains milipore filter water outlet and milipore filter concentrated water, institute The milipore filter stated uses milipore filter of the precision for 0.1um, and the milipore filter producing water ratio is controlled in 90-95%；
S7, adsorption bleaching processing:The milipore filter water outlet obtained in step S6 and macroreticular resin reaction are subjected to adsorption bleaching, Obtain macroporous resin adsorption water outlet, the volume ratio of the milipore filter water outlet and macroreticular resin is 100：3, wherein macroreticular resin is by body Product is than being 1：1 5% sodium hydroxide is mixed with 8% sodium chloride；
S8, reverse osmosis membrane filtration：, can be by macroreticular resin by the macroporous resin adsorption water in step S7 through reverse osmosis membrane filtration Salt and impurity and water in absorption water separate, and obtain transparent pure water.
The present invention is by the way that waste water is grasped through absorption, clarified separation, ultrafiltration membrance filter, decolorization and reverse osmosis membrane filtration etc. Deal with, the salt in dyeing waste water can effectively be handled so that the waste water after processing meets emission request, realizes print Waste water reclamation recovery is contaminated, greatly reduces printing and dyeing industry water resources consumption amount and wastewater discharge, entreprise cost is reduced, reduces simultaneously Influence to ecological environment.
Above content is only to design example and explanation of the invention, affiliated those skilled in the art Various modifications or supplement are made to described specific embodiment or is substituted using similar mode, without departing from invention Design or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.

Claims (7)

  1. A kind of 1. method of integrated membrane separation technique processing dyeing waste water, it is characterised in that comprise the following steps：
    S1, a certain amount of dyeing waste water sample is taken, the waste water is stood, filtered, remove upper strata floating object and seabed sediment；
    S2, flocculant is added, and be stirred with 30-500r/mi n rotating speed；
    S3, by the solution left standstill 4-12h after stirring, treat that flock is settled down to container bottom, and carry out clarified separation processing；
    S4, the waste water after clarified separation is filtered, remove graininess residual suspension contained in waste water；
    S5, mass concentration will be added in step S4 waste water as 31% hydrochloric acid, and adjust the pH value of solution so that the PH of solution Value is adjusted to 6-8, obtains pretreatment fluid；
    S6, ultrafiltration membrance filter：Pretreatment fluid is subjected to ultrafiltration membrance filter, obtains milipore filter water outlet and milipore filter concentrated water；
    S7, adsorption bleaching processing:The milipore filter water outlet obtained in step S6 and macroreticular resin reaction are subjected to adsorption bleaching, obtained Macroporous resin adsorption water outlet；
    S8, reverse osmosis membrane filtration：, can be by macroporous resin adsorption by the macroporous resin adsorption water in step S7 through reverse osmosis membrane filtration Salt and impurity and water in water separate, and obtain transparent pure water.
  2. A kind of 2. method of integrated membrane separation technique processing dyeing waste water according to claim 1, it is characterised in that：It is described The flocculant weight added in step S2 and useless water weight ratio are 0.5-1.5：10000.
  3. A kind of 3. method of integrated membrane separation technique processing dyeing waste water according to claim 2, it is characterised in that：It is described PAMC, non-ionic polyacrylamide, polyaluminium of the flocculant aqueous solution by mass concentration for 0.1%-3% Aluminium, iron chloride, one kind in the aluminium iron sulfate aqueous solution any several combine.
  4. A kind of 4. method of integrated membrane separation technique processing dyeing waste water according to claim 1, it is characterised in that：It is described The time that clarified separation is handled in step S3 is 60-120mi n.
  5. A kind of 5. method of integrated membrane separation technique processing dyeing waste water according to claim 1, it is characterised in that：It is described Milipore filter uses milipore filter of the precision for 0.1um in step S6, and the milipore filter producing water ratio is controlled in 90-95%.
  6. A kind of 6. method of integrated membrane separation technique processing dyeing waste water according to claim 1, it is characterised in that：It is described The volume ratio of milipore filter water outlet and macroreticular resin is 100 in step S7：1-3.
  7. A kind of 7. method of integrated membrane separation technique processing dyeing waste water according to claim 6, it is characterised in that：It is described Macroreticular resin is 1 by volume ratio：1 2%-5% sodium hydroxides are mixed with 2%-8% sodium chloride.
CN201711167406.9A 2017-11-21 2017-11-21 A kind of method of integrated membrane separation technique processing dyeing waste water Pending CN107857392A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109019987A (en) * 2018-09-18 2018-12-18 杭州开源环保工程有限公司 A kind of efficient recycling method of dyeing waste water
CN115304187A (en) * 2022-08-17 2022-11-08 上海盛剑微电子有限公司 Method for recovering and treating waste stripping solution

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041532A (en) * 2007-02-15 2007-09-26 三达膜科技（厦门）有限公司 Printing and dyeing waste water treatment method based on film technology
CN104098206A (en) * 2014-07-25 2014-10-15 宁波清水源水务科技有限公司 Method for advanced treatment and reuse of printing and dyeing wastewater pre-processed by macroporous resin
CN105293767A (en) * 2015-10-27 2016-02-03 天津市红特顺科技有限公司 Method for treating printing and dyeing wastewater through integrated membrane separation technology

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041532A (en) * 2007-02-15 2007-09-26 三达膜科技（厦门）有限公司 Printing and dyeing waste water treatment method based on film technology
CN104098206A (en) * 2014-07-25 2014-10-15 宁波清水源水务科技有限公司 Method for advanced treatment and reuse of printing and dyeing wastewater pre-processed by macroporous resin
CN105293767A (en) * 2015-10-27 2016-02-03 天津市红特顺科技有限公司 Method for treating printing and dyeing wastewater through integrated membrane separation technology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109019987A (en) * 2018-09-18 2018-12-18 杭州开源环保工程有限公司 A kind of efficient recycling method of dyeing waste water
CN115304187A (en) * 2022-08-17 2022-11-08 上海盛剑微电子有限公司 Method for recovering and treating waste stripping solution

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