CN201343478Y - UASB-MBR integrated system for treating dyeing wastewater - Google Patents
UASB-MBR integrated system for treating dyeing wastewater Download PDFInfo
- Publication number
- CN201343478Y CN201343478Y CNU200920105158XU CN200920105158U CN201343478Y CN 201343478 Y CN201343478 Y CN 201343478Y CN U200920105158X U CNU200920105158X U CN U200920105158XU CN 200920105158 U CN200920105158 U CN 200920105158U CN 201343478 Y CN201343478 Y CN 201343478Y
- Authority
- CN
- China
- Prior art keywords
- uasb
- reactor
- dyeing
- mbr
- printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model provides a UASB-MBR integrated system for treating dyeing wastewater. The system comprises a bar screen tank, a water quality regulating tank, a UASB reactor and an MBR reactor which are sequentially connected through pipelines. The system adopts an anaerobic-aerobic integrated technology and degrades effluent organic matter by utilizing volume loads with higher UASB so as to improve the biodegradability of wastewater. The MBR reactor adopts an integrated structure; suspended packing is added inside the reactor; and organic matter, ammonia nitrogen and total nitrogen are degraded by utilizing the excellent characteristics of the MBR reactor. Effluent water quality of the system achieves the primary standard of Discharge Standard of Water Pollutants for Dyeing and Finishing of Textile Industry (GB4287-92).
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, specifically, relates to a kind of UASB-MBR combined system of treatment of dyeing and printing.
Background technology
China is first big country of textile printing and dyeing industry, and textile printing and dyeing industry is the industrial wastewater discharge rich and influential family.According to incompletely statistics, China's dyeing waste water quantity discharged is about every day 3,000,000～4,000,000 ton.The pollutent of printing and dyeing is dyestuff, auxiliary agent and the poisonous and hazardous heavy metal of difficult degradation, formaldehyde, halogenide etc. mostly.Along with the fast development of dye well printing and dyeing industry, the kind of dyestuff and quantity are in continuous increase, and the waste water of its production has become one of current topmost pollution source of water body.
Because the dye molecule amount is big, contains more hydrophilic radical, most of dyestuffs can form hydrophilic colloid, so waste water from dyestuff has complicated component, characteristics such as quantity discharged is big, toxicity is big, organic content is high, colourity is dark, waste water decoloring difficulty.If this direct discharging of waste water can cause serious pollution to environment, and may influence the healthy of people directly or indirectly by food chain.
Dyeing waste water contains the organism of difficult degradation mostly, and directly biodegradability is relatively poor, thereby undesirable with common direct biochemical treatment effect.And contain in the waste water the deleterious salt of microorganism, toxic compounds, heavy metal ion, understand microbiostatic activity, influence the direct biochemical effect of microorganism, belong to more unmanageable high concentrated organic wastewater.Because these characteristics of dyeing waste water, the intractability of waste water from dyestuff is very big, and the research of its improvement technology and technology is the difficult point and the focus of Industrial Wastewater Treatment always.
The utility model content
The purpose of this utility model is to solve the unmanageable difficult problem of dyeing waste water, a kind of UASB-MBR combined system of treatment of dyeing and printing is provided, this system adopts the anaerobic-aerobic coupling technique, its processing power is strong, and system's effluent quality reaches " textile dyeing and finishing industrial water pollution thing emission standard " (GB4287-92) primary standard.
In order to realize the utility model purpose, the UASB-MBR combined system of a kind of treatment of dyeing and printing of the present utility model, it comprises grating tank, water quality regulation pond, UASB reactor (upflow type anaerobic bio-reactor) and the MBR reactor (membrane bioreactor) that connects by pipeline successively.
Wherein, the effect of described grating tank is to hold back suspended substances such as Mierocrystalline cellulose bigger in the dyeing waste water, xylogen, guarantees normally carrying out of follow-up biological processing unit.Described grating tank is provided with the twice grid, and the first road grid is positioned at the grating tank water inlet, and interval of grid strip is held back suspended substances such as Mierocrystalline cellulose bigger in the dyeing waste water, xylogen between 10～15mm, remove the organism of a part of non-solubility; The second road grid places grating tank water outlet place, and the water outlet interval of grid strip is further removed the suspended substance in the water inlet between 2～5mm, guarantee normally carrying out of follow-up biological processing unit.
The water quality regulation effect diversion trench equalizing tank of boring a hole is preferably adopted in described water quality regulation pond.The hydraulic detention time of dyeing waste water in the water quality regulation pond is no less than 8h, regulates the variation of the influent quality water yield, reduces the disadvantageous effect of variation water quality to processing unit.Water quality regulation is provided with underwater propeller in the pond, and its effect is the strong stream that produces low tangential flow, guarantees the circulation of current, mixes.Do not have aerator in the equalizing tank, waste water has carried out the reaction of part anaerobic hydrolysis-acidification under the equalizing tank anoxic condition.Through behind the equalizing tank, the entering organic matter of water clearance can reach 15%～20%.
Described UASB reactor is made up of reaction zone, settling region, gas-liquid-solid three-phase separator three parts.Dyeing waste water can carry out anaerobic reaction and removed most of organism and colourity in the UASB reactor this moment, improved the biodegradability of waste water.
In order to guarantee that dyeing waste water evenly enters the UASB reactor, described UASB reactor bottom also is provided with the perforated pipe water distributor.
Described MBR reactor is an integral type film biological reactor.It comprises membrane module, boring aeration pipe, floating stuffing.Described membrane module is positioned at directly over the described boring aeration pipe, and described floating stuffing is being fluidized state under the situation of aeration in described membrane bioreactor, be distributed in around the described membrane module.
Membrane module be in boring aeration pipe directly over, utilize the shearing force of big aeration rate that membrane module is washed, floating stuffing is fluidized state in reactor in addition, can clash into scouring to membrane module around membrane module, reduce the wash number of film, prolong the cleaning interval of film.
Described membrane module adopts hollow fiber ultrafiltration membrane, and membrane material adopts polyvinylidene difluoride (PVDF) (PVDF), and membrane pore size is 0.2 μ m.And add floating stuffing in the inside of reactor, and the add-on of floating stuffing is 20%～30% of a MBR inside reactor effective volume, the floating stuffing material is selected high rigidity polyethylene (PEF) for use, profile is cylindrical, there is very short flank in the outside, and inside is cellular, specific surface area 500m
2/ m
3, adopting the mode of boring aeration pipe aeration below the membrane module, gas-water ratio is 10: 1, makes that the dissolved oxygen in the membrane bioreactor remains between 2.0～2.5mg/L.
The utility model adds floating stuffing makes integral type MBR reacting appliance that following advantage be arranged:
(1) makes aerator employing boring aeration pipe in the MBR reactor owing to added floating stuffing, floating stuffing has shearing, obstruct and adsorption to the air pocket that boring aeration pipe produces, make the residence time of bubble gentle, the liquid contact area increases, improved mass-transfer efficiency, the more expensive micro-pore aeration dish of price used in the general MBR reactor be can substitute, the energy and facility investment saved;
(2) boring aeration pipe be placed on membrane module just below, because impacting the friction of membrane module, shearing force that aeration forms and the floating stuffing under the fluidized state make the active sludge solid be difficult to accumulate in the surface of film, thereby reduce the obstruction and the energy consumption of film, prolong the cycle that film cleans, reduce the working cost of membrane bioreactor; Shearing force that forms by aeration and floating stuffing and turbulent fluctuation simultaneously can the controlling diaphragm surface solid thickness;
(3) microorganism can be in large quantities attached on the bigger floating stuffing of specific surface area, increased the sludge concentration in the membrane reactor, having improved and removed organic effect, is 20%～30% floating stuffing by adding volume ratio, can make the microorganism concn in the reactor reach 20g/L; Be attached with generation cycle long nitrobacteria on the floating stuffing and can improve ammonia-N removal rate; In addition along with the increase of microbial film thickness on the floating stuffing, easily form the anoxybiotic microenvironment in biomembranous inside, help the nitric nitrogen denitrification denitrogenation, therefore the integral type MBR reactor that adds floating stuffing has certain clearance to total nitrogen, can realize the purpose of synchronous nitration and denitrification removal total nitrogen to a certain extent.
The UASB-MBR combined system of the utility model treatment of dyeing and printing adopts the anaerobic-aerobic coupling technique, and the ability of treatment of dyeing and printing is strong, and treatment effect is good, and COD is 2400～4000mg/L in water inlet, BOD
5Be 500～800mg/L, NH
4 +-N is 50～80mg/L, and colourity is 450～700, and SS is 300～500mg/L, and the pH value is under 9～11 the condition, MBR reactor water outlet COD＜100mg/L, BOD
5＜15mg/L, colourity＜25, NH
4 +-N＜10mg/L, SS＜10mg/L, effluent quality reach " textile dyeing and finishing industrial water pollution thing emission standard " (GB4287-92) primary standard.
Description of drawings
Fig. 1 is the UASB-MBR combined system structural representation sketch of dyeing waste water described in the utility model;
Fig. 2 is the structural representation sketch of MBR reactor described in the utility model.
Wherein, boring aeration pipe 1, membrane module 2, floating stuffing 3.
Embodiment
Following examples are used to illustrate the utility model, but are not to be used for limiting scope of the present utility model.
As shown in Figure 1, the UASB-MBR combined system of the utility model treatment of dyeing and printing comprises the grating tank, water quality regulation pond, UASB reactor and the MBR reactor that connect by pipeline successively.
Dyeing waste water at first enters grating tank, and the effect of grating tank is to hold back suspended substances such as Mierocrystalline cellulose bigger in the dyeing waste water, xylogen, guarantees normally carrying out of follow-up biological processing unit.Grating tank is provided with the twice grid, and the grating tank first road grid is positioned at the grating tank water inlet, and interval of grid strip is 10mm, holds back suspended substances such as Mierocrystalline cellulose bigger in the dyeing waste water, xylogen, removes the organism of a part of non-solubility; The second road grid places grating tank water outlet place, and the water outlet interval of grid strip is 2mm, further removes the suspended substance in the water inlet, guarantees normally carrying out of follow-up biological processing unit.The spacing of grating tank twice grid can suitably be adjusted, and is controlled between 10～15mm such as the interval of grid strip of the first road grid, and the interval of grid strip of the second road grid is controlled between 2～5mm.
The grating tank water outlet enters the water quality regulation pond then, and the water quality regulation effect diversion trench equalizing tank of boring a hole is preferably adopted in the water quality regulation pond.The hydraulic detention time of dyeing waste water in the water quality regulation pond is no less than 8h, regulates the variation of the influent quality water yield, reduces the disadvantageous effect of variation water quality to processing unit.Water quality regulation is provided with underwater propeller in the pond, and its effect is the strong stream that produces low tangential flow, guarantees the circulation of current, and making into, water mixes.Do not have aerating apparatus, waste water has carried out the reaction of part anaerobic hydrolysis-acidification under the equalizing tank anoxic condition.Through behind the equalizing tank, the entering organic matter of water clearance can reach 15%～20%.
The water outlet of water quality regulation pond enters the UASB reactor, and the UASB reactor is made up of reaction zone, settling region, gas-liquid-solid three-phase separator three parts.The hydraulic detention time of waste water in the UASB reactor is no less than 8h, and waste water carries out anaerobic reaction at this and removes most of organism and colourity; Open the chain or the phenyl ring of polymer substance by the mode of anaerobic hydrolysis-acidification, the larger molecular organics of difficult degradation is become the small organic molecule of easy degraded, improve the biodegradability of waste water; In reaction process, keep the temperature range (30～35 ℃) of anaerobic reactor internal temperature between mesophilic digestion, the pH value stabilization is between 7～8.Water inlet adopts equally distributed perforated pipe water distributor to make waste water enter into the bottom of UASB reactor equably, guarantee water distributor exit flow velocity more than 0.2m/s, and sewage is upwards by comprising the Sludge Bed of granule sludge or floc sludge; Anaerobic reaction occurs in the contact process of sewage and mud granule, and the biogas that reaction produces has caused inner circulation; Biogas rises to reactor head, hits gas-liquid-solid three-phase separator gas reflector, causes the mud flco degassing of adhering to bubble; Bubble discharges the surface that the back mud granule will be deposited to Sludge Bed, and gas will be collected into the collection chamber of the triphase separator of reactor head; Some mud granules after the degassing can enter the settling region through the separator slit.Obtain good, the active high particle anaerobic sludge of a kind of settleability owing to can cultivate in the UASB reactor, thereby have remarkable advantages: UASB inside reactor biomass is big, can reach 25g/L according to the microorganism concn conversion; Volumetric loading rate height under the mesophilic digestion condition, reaches 6～8kgCOD/ (m
3D) about, the hydraulic detention time of waste water in reactor is short, and therefore required pond appearance is dwindled greatly; Equipment is simple, and operation is convenient, and settling tank and mud reflux need be set, and need not fill filler, does not also need to establish mechanical stirring device at reaction zone, and cost is relatively low, is convenient to management, and does not have blockage problem.
Through after the UASB processing, the COD clearance of dyeing waste water can reach 70%～80%, BOD in the present embodiment
5/ COD brings up to 0.35 by 0.2 of when water inlet, for follow-up aerobic treatment unit provides good influent quality, has improved treatment effect.
Described MBR reactor is an integral type film biological reactor, is membrane separation technique and bio-reactor to be made up and a kind of novel water treating equipment that constitute.The hydraulic detention time of waste water in membrane bioreactor is no less than 10h.Because the high rejection of film also is back to concentrated solution in the bio-reactor, make to have very high microorganism concn and very long sludge age in the bio-reactor, the nitrifier that grows can apposition growth the generation cycle simultaneously, the ammonia nitrogen removal frank height, effluent quality is better.The MBR treatment of dyeing and printing is except having the characteristics of handling commonly industrial wastewater, undegradable hydrophobic dye material in the water and part hydrophilic dye material all there is crown_interception, prevent that them from taking out of outside the pond, especially colourity is lower to have guaranteed the COD concentration for the treatment of water.The MBR reactor adopts integral structure in the utility model, and membrane module is placed in the reactor, goes out the water pump suction by high pressure the MBR of membrane module is gone out in the filter liquor input outlet sump, has advantages such as power consumption is low, floor space is little.
Concerning water treating equipment, the obstruction of film and expense are the subject matter that influences the membrane bioreactor large-scale promotion application.The obstruction of film can make effective penetrating rate descend, and the capital cost of membrane bioreactor is the cleaning of film, the transverse flow filter pressure of water and the backflow of thickened sludge.
As shown in Figure 2, the MBR reactor adopts integral structure in the utility model, comprises membrane module 2, boring aeration pipe 1, floating stuffing 3.Membrane module 2 is positioned at directly over the boring aeration pipe 1, and floating stuffing 3 is fluidized state in membrane bioreactor under the situation of aeration, be distributed in around the membrane module 2.
Make aerator employing boring aeration pipe in the MBR reactor owing to add floating stuffing, floating stuffing has shearing, obstruct and adsorption to the air pocket that boring aeration pipe produces, make the residence time of bubble gentle, the liquid contact area increases, improve mass-transfer efficiency, saved the energy and facility investment.
Boring aeration pipe be placed on membrane module below, because impacting the friction of membrane module, shearing force that aeration forms and the floating stuffing under the fluidized state make the active sludge solid be difficult to accumulate in the surface of film, thereby reduce the obstruction and the energy consumption of film, reduce the number of times that film cleans, prolong the cycle that film cleans, reduced the working cost of membrane bioreactor; Simultaneously by the shearing force of aeration and floating stuffing formation and the solid thickness that turbulent fluctuation comes the controlling diaphragm surface;
Microorganism can be in large quantities attached on the bigger floating stuffing of specific surface area, increased the sludge concentration in the membrane reactor, having improved the effect of removing, is 20%～30% floating stuffing by adding volume ratio, can make the microorganism concn in the reactor reach 20g/L; Be attached with generation cycle long nitrobacteria on the floating stuffing and can improve ammonia-N removal rate; In addition along with the increase of microbial film thickness on the floating stuffing, easily form the anoxybiotic microenvironment in biomembranous inside, help the nitric nitrogen denitrification denitrogenation, therefore the integral type MBR reactor that adds floating stuffing has certain clearance to total nitrogen, can realize the purpose of synchronous nitration and denitrification removal total nitrogen to a certain extent.
Below be to adopt UASB-MBR combined system of the present utility model that the dyeing waste water of Yixing, Jiangsu Fabritex S.r.l is handled.
The said firm mainly produces wool spinning products such as medium-to-high grade lining, senior ready-made clothes, and the wastewater flow rate that discharge every day is 3000m
3/ d.Handle the dyeing waste water of the said firm by UASB-MBR combined system described in the utility model, its treatment effect is as shown in table 1.Effluent quality reached " textile dyeing and finishing industrial water pollution thing emission standard " (GB4287-92) primary standard after dyeing waste water was handled through the UASB-MBR combined system as can be seen, shown very strong processing power, promoted in the big area in the whole nation for this technology and played exemplary role.
The water quality situation of table 1 water inlet and each biochemical treatment unit water outlet, primary standard
[notes] except that colourity and pH value, its counit is mg/L.
Though, above with a general description of the specific embodiments the utility model having been done detailed description, on the utility model basis, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements on the basis of not departing from the utility model spirit all belong to the claimed scope of the utility model.
Claims (10)
1. the UASB-MBR combined system of a treatment of dyeing and printing is characterized in that, it comprises grating tank, water quality regulation pond, UASB reactor and the MBR reactor that connects by pipeline successively.
2. according to the UASB-MBR combined system of the described treatment of dyeing and printing of claim 1, it is characterized in that described MBR reactor is an integral type film biological reactor.
3. according to the UASB-MBR combined system of the described treatment of dyeing and printing of claim 2, it is characterized in that, comprise membrane module, boring aeration pipe and floating stuffing in the described integral type film biological reactor.Described membrane module is positioned at directly over the described boring aeration pipe, and described floating stuffing is being fluidized state under the situation of aeration in described membrane bioreactor, be distributed in around the described membrane module.
4. according to the UASB-MBR combined system of the described treatment of dyeing and printing of claim 3, it is characterized in that described membrane module adopts hollow fiber ultrafiltration membrane, membrane material adopts polyvinylidene difluoride (PVDF), and membrane pore size is 0.2 μ m.
5. according to the UASB-MBR combined system of claim 3 or 4 described treatment of dyeing and printing, it is characterized in that, the add-on of described floating stuffing is 20%～30% of the inner effective volume of described membrane bioreactor, the floating stuffing material is the high rigidity polythene material, profile is cylindrical, there is very short flank in the outside, and inside is cellular, and specific surface area is 500m
2/ m
3
6. according to the UASB-MBR combined system of the described treatment of dyeing and printing of claim 1, it is characterized in that described UASB reactor is made up of reaction zone, settling region, gas-liquid-solid three-phase separator three parts.
7. according to the UASB-MBR combined system of the described treatment of dyeing and printing of claim 6, it is characterized in that described UASB reactor bottom is provided with the perforated pipe water distributor.
8. the UASB-MBR combined system of treatment of dyeing and printing according to claim 1 is characterized in that, described grating tank is provided with the twice grid, and the first road grid is positioned at the grating tank water inlet, and interval of grid strip is between 10～15mm; The second road grid places grating tank water outlet place, and the water outlet interval of grid strip is between 2～5mm.
9. the UASB-MBR combined system of treatment of dyeing and printing according to claim 1 is characterized in that, described water quality regulation pond is perforation diversion trench equalizing tank.
10. according to the UASB-MBR combined system of claim 1 or 9 described treatment of dyeing and printing, it is characterized in that, also be provided with underwater propeller in the described perforation diversion trench equalizing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920105158XU CN201343478Y (en) | 2009-01-20 | 2009-01-20 | UASB-MBR integrated system for treating dyeing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920105158XU CN201343478Y (en) | 2009-01-20 | 2009-01-20 | UASB-MBR integrated system for treating dyeing wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201343478Y true CN201343478Y (en) | 2009-11-11 |
Family
ID=41275061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920105158XU Expired - Fee Related CN201343478Y (en) | 2009-01-20 | 2009-01-20 | UASB-MBR integrated system for treating dyeing wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201343478Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485669A (en) * | 2010-12-02 | 2012-06-06 | 东丽纤维研究所（中国）有限公司 | Water treatment method |
| CN103011516A (en) * | 2012-12-13 | 2013-04-03 | 杭州绿色环保技术开发有限公司 | Reactive printing wastewater treatment process and device |
| CN103058466A (en) * | 2013-01-18 | 2013-04-24 | 西安科技大学 | Water treatment device in FBMBR (fluidized bed membrane bioreactor) |
| CN103102048A (en) * | 2013-02-28 | 2013-05-15 | 广东新大禹环境工程有限公司 | Textile wastewater treatment method and device |
| CN103112951A (en) * | 2013-03-18 | 2013-05-22 | 南京大学宜兴环保研究院 | Biochemical method for treating synthetic leather wastewater containing dimethylformamide |
| CN103613196A (en) * | 2013-11-29 | 2014-03-05 | 浙江工业大学 | Integrated biological denitrification device and method for treating wastewater by using same |
| CN103755021A (en) * | 2013-12-30 | 2014-04-30 | 河海大学 | Improved up-flow anaerobic ammoniation reactor and method for treating high-organic nitrogen printing and dyeing wastewater |
| CN104058552A (en) * | 2014-06-13 | 2014-09-24 | 大连大禹水处理技术有限公司 | Mobile integrated sewage treatment device |
| CN105461179A (en) * | 2016-01-12 | 2016-04-06 | 岑溪市华鸿污水处理有限公司 | Sewage treatment system and technology for spice processing |
| CN105923903A (en) * | 2016-05-23 | 2016-09-07 | 广东全务环保科技有限公司 | Printing and dyeing wastewater zero-discharge system and technology |
| CN105923758A (en) * | 2016-05-26 | 2016-09-07 | 何旭红 | MBR three-phase separation anaerobic reactor |
| CN106365304A (en) * | 2016-09-30 | 2017-02-01 | 南京大学 | Penicillin waste water biological enhancement treatment device and method |
| CN108911137A (en) * | 2018-07-17 | 2018-11-30 | 厦门理工学院 | A kind of processing method of waste water from dyestuff |
-
2009
- 2009-01-20 CN CNU200920105158XU patent/CN201343478Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485669A (en) * | 2010-12-02 | 2012-06-06 | 东丽纤维研究所（中国）有限公司 | Water treatment method |
| CN103011516A (en) * | 2012-12-13 | 2013-04-03 | 杭州绿色环保技术开发有限公司 | Reactive printing wastewater treatment process and device |
| CN103058466A (en) * | 2013-01-18 | 2013-04-24 | 西安科技大学 | Water treatment device in FBMBR (fluidized bed membrane bioreactor) |
| CN103102048A (en) * | 2013-02-28 | 2013-05-15 | 广东新大禹环境工程有限公司 | Textile wastewater treatment method and device |
| WO2014146439A1 (en) * | 2013-03-18 | 2014-09-25 | 南京大学宜兴环保研究院 | Biochemical method for treating synthetic leather wastewater comprising dimethylformamide |
| CN103112951A (en) * | 2013-03-18 | 2013-05-22 | 南京大学宜兴环保研究院 | Biochemical method for treating synthetic leather wastewater containing dimethylformamide |
| CN103613196A (en) * | 2013-11-29 | 2014-03-05 | 浙江工业大学 | Integrated biological denitrification device and method for treating wastewater by using same |
| CN103613196B (en) * | 2013-11-29 | 2015-06-03 | 浙江工业大学 | Integrated biological denitrification device and method for treating wastewater by using same |
| CN103755021B (en) * | 2013-12-30 | 2016-05-25 | 河海大学 | A kind of improvement upflow type anaerobic ammoniation reactor and method for the treatment of high organic nitrogen dyeing waste water |
| CN103755021A (en) * | 2013-12-30 | 2014-04-30 | 河海大学 | Improved up-flow anaerobic ammoniation reactor and method for treating high-organic nitrogen printing and dyeing wastewater |
| CN104058552A (en) * | 2014-06-13 | 2014-09-24 | 大连大禹水处理技术有限公司 | Mobile integrated sewage treatment device |
| CN105461179A (en) * | 2016-01-12 | 2016-04-06 | 岑溪市华鸿污水处理有限公司 | Sewage treatment system and technology for spice processing |
| CN105923903A (en) * | 2016-05-23 | 2016-09-07 | 广东全务环保科技有限公司 | Printing and dyeing wastewater zero-discharge system and technology |
| CN105923758A (en) * | 2016-05-26 | 2016-09-07 | 何旭红 | MBR three-phase separation anaerobic reactor |
| CN105923758B (en) * | 2016-05-26 | 2019-01-18 | 何旭红 | A kind of MBR three phase separation anaerobic reactor |
| CN106365304A (en) * | 2016-09-30 | 2017-02-01 | 南京大学 | Penicillin waste water biological enhancement treatment device and method |
| CN108911137A (en) * | 2018-07-17 | 2018-11-30 | 厦门理工学院 | A kind of processing method of waste water from dyestuff |
| CN108911137B (en) * | 2018-07-17 | 2021-04-16 | 厦门理工学院 | Treatment method of dye wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201343478Y (en) | UASB-MBR integrated system for treating dyeing wastewater | |
| CN104071896B (en) | Granule sludge and biological film coupled integrated sewage treatment method and treatment device suitable for same | |
| CN100357197C (en) | Integral membrane biological reaction device for water treatment | |
| CN205170617U (en) | Combined type treatment of domestic sewage integration equipment | |
| CN109485150B (en) | Device for deeply removing nitrogen and phosphorus by combining tubular membrane with postposition anoxic and endogenous denitrification | |
| CN103435232B (en) | AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater | |
| CN107021597A (en) | Improve the system and method for biochemical and deeply treating wastewater using Powdered Activated Carbon | |
| CN204162577U (en) | Integration enamel assembling tank body waste disposal plant | |
| CN111138038A (en) | Photovoltaic-driven rural domestic sewage integrated treatment system and treatment method | |
| CN102964037A (en) | Novel sewage treatment method by combined utilization of light filter material biological aerated filter and heavy filter material biological aerated filter | |
| CN201932988U (en) | Anaerobic/aerobic contact oxidation membrane bioreactor | |
| CN102951731A (en) | Airlift oxidation ditch type membrane bioreactor | |
| CN208071545U (en) | A kind of mine domestic wastewater processing unit | |
| CN109970194A (en) | It is a kind of integrate Ao Baoer, biological multiplication, MBBR, MBR diversification technique sewage treatment pot | |
| CN201614333U (en) | Decentralized sewage treatment device | |
| CN203238141U (en) | Sewage biological treatment membrane filtration system | |
| CN208071544U (en) | A kind of railway communication system production wastewater treatment system | |
| CN206985970U (en) | It is a kind of to improve biochemical and deeply treating wastewater system using Powdered Activated Carbon | |
| CN206562379U (en) | A kind of suspending type biological fluid bed | |
| CN111252994A (en) | Domestic fungus wastewater treatment method | |
| CN203451338U (en) | AABR (anaerobic aerobic biofilm reactor)-combined type MBR (membrane bioreactor) integrated device for treating organic waste water | |
| CN211814018U (en) | Integrated circulating bed bio-membrane reactor | |
| CN202754840U (en) | Biological aerated filters in two-stage serial connection | |
| CN102826655B (en) | Mud film intergrowth combined type membrane bioreactor and method for treating and recycling sewage thereof | |
| CN102001795B (en) | Treatment process of membrane bioreactor in nondegradable industrial wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20160120 |
|
| EXPY | Termination of patent right or utility model |