CN105776700B - A kind of waste water nitrogen phosphorus " zero-emission " technology - Google Patents
A kind of waste water nitrogen phosphorus " zero-emission " technology Download PDFInfo
- Publication number
- CN105776700B CN105776700B CN201610171281.6A CN201610171281A CN105776700B CN 105776700 B CN105776700 B CN 105776700B CN 201610171281 A CN201610171281 A CN 201610171281A CN 105776700 B CN105776700 B CN 105776700B
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- waste water
- emission
- zero
- water
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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)
Abstract
The present invention discloses a kind of waste water nitrogen phosphorus " zero-emission " technology, first using conventional biochemical processing process removal wherein most organic matter, nitrogen and phosphorus, then " multistage multistage reverse osmosis+evaporation " technique is used to carry out advanced treating, the fresh water of the reverse osmosis generation of upper level enters the reverse osmosis further purification of next stage, until the nitrogen and phosphorus content of RO fresh water is less than detection limit, meet waste water nitrogen phosphorus " zero-emission " requirement, qualified discharge；The concentrated water of the reverse osmosis discharge of the preceding paragraph enters next section of reverse osmosis further concentration, reduces the water into vapo(u)rization system, reduces energy consumption；Evaporation condensed water returns to multistage multistage counter-infiltration system and is for further processing.The present invention is combined together advanced treating for waste water multistage multistage is reverse osmosis with evaporation, and evaporation condensed water is back to counter-infiltration system and is for further processing, the concentration of nitrogen phosphorus is less than detection limit in the fresh water that multi-stage reverse osmosis generates, meet the requirement of waste water nitrogen phosphorus " zero-emission ", qualified discharge.
Description
Technical field
The present invention relates to technical field of waste water processing, specifically, are related to a kind of waste water nitrogen phosphorus " zero-emission " technology.
Background technology
Revision in 2012《Jiangsu Province's TAIHU LAKE pollution prevention ordinance》45th article of regulation, Taihu Lake basin one, two, three
Forbid enterprise and the project of the pollutants such as the phosphorous, nitrogen of newly-built, renovating and enlarging discharge in grade protection zone.Therefore, Suzhou City of Jiangsu Province,
All strictly forbid the enterprise of the pollutants such as the phosphorous, nitrogen of newly-built, renovating and enlarging discharge in the Taihu Lake basins such as Wuxi City and Changzhou area
And project, or these enterprises and project is required to carry out waste water zero emission, i.e. technique waste water all returns after advanced treating
With.But for by the pharmacy corporation of GMP certifications for, technique waste water can not be back to even across advanced treating
Production technology, so pharmacy corporation can not execute waste water zero emission.As accommodation, some local political affairs of Jiangsu Province's Taihu Lake basin
Mansion allows pharmacy corporation to discharge the technique waste water Jing Guo advanced treating, but the concentration of nitrogen phosphorus must not exceed enterprise in efflux technology waste water
The concentration of nitrogen phosphorus in tap water used in industry, i.e., it is so-called " volume increase does not increase dirt ".However, using TAIHU LAKE as the tap water at water source,
Nitrogen and phosphorus content is continually changing.By taking tap water used in the enterprise of Suzhou as an example, four times random Examined shows in tap water
NH3The concentration of-N, TN and TP are respectively 0.02~0.15mg/L, 0.26~0.99mg/L and " being not detected "~0.04mg/L.It is right
For waste water treatment engineering designer, it is impossible to design corresponding waste water according to a continually changing nitrogen discharge and phosphorus discharge limit value
Treatment facility can only require as strict as possible, i.e., the outer technique waste water arranged, NH after advanced treating3The concentration of-N, TN and TP should all be less than
Detection limit, that is, have to carry out waste water nitrogen phosphorus " zero-emission ".
Waste water zero emission and waste water nitrogen phosphorus " zero-emission " are two entirely different concepts, the former passes through depth by waste water
Fully recovering (not outer row) after reason, and recycle-water is allowed to contain a small amount of nitrogen phosphorus；The latter's waste water outer row after advanced treating, but it is outer
The concentration of nitrogen phosphorus has to be lower than detection limit in effluent.Domestic and international existing waste water advanced technology can only realize waste water zero emission,
And there is an urgent need to waste water nitrogen phosphorus " zero-emission " technologies for the pharmacy corporation of Jiangsu Province's Taihu Lake basin.
Invention content
The technical problem to be solved by the invention is to provide a kind of waste water nitrogen phosphorus " zero-emission " technologies.
In order to achieve the above object, the present invention discloses following technical scheme：A kind of waste water nitrogen phosphorus " zero-emission " technology, is adopted first
With conventional biochemical processing process removal wherein most organic matter, nitrogen and phosphorus, then use " multistage multistage reverse osmosis+evaporation "
Technique carries out advanced treating, and the advanced treating refers to that the fresh water of the reverse osmosis generation of upper level enters next stage reverse osmosis and penetrates into one
Step purification meets waste water nitrogen phosphorus " zero-emission " requirement, qualified discharge until the nitrogen and phosphorus content of RO fresh water is less than detection limit；Upper one
The concentrated water of the reverse osmosis discharge of section enters next section of reverse osmosis further concentration, reduces the water into vapo(u)rization system, reduces energy consumption；
Evaporation condensed water returns to multistage multistage counter-infiltration system and is for further processing.
As a preferred embodiment, the advanced treating is " three sections of two level reverse osmosis+evaporation " technique, through one section of level-one
The fresh water of reverse osmosis membrane makees further purification into two-pass reverse osmosis, and the fresh water concentration of nitrogen and phosphorus of two level RO is less than detection limit, meets
The requirement of waste water nitrogen phosphorus " zero-emission ", qualified discharge；The concentrated water of two level RO returns to the entrance of one section of RO of level-one, one section of reverse osmosis of level-one
Saturating concentrated water enter two sections it is reverse osmosis be further processed, two sections of RO fresh water are back to one section of RO entrance of level-one or two level RO entrances,
Two sections of RO concentrated waters are reverse osmosis into three sections；Three sections of RO fresh water are back to one section of RO entrance of two sections of RO entrances or level-one, and three sections of RO are dense
Water enters evaporation element, the evaporative desalination in evaporator, one section of RO of entrance or level-one of the condensate return of generation to two sections of RO
Entrance, for further processing.
As a preferred embodiment, the evaporation uses mechanical steam recompression evaporator (MVR).With general waste water
" zero-emission " technology is different, the neither outer row of evaporation condensed water herein, also not reuse, but it is anti-to flow back into one section or two sections of level-one
The entrance of infiltration.
As a preferred embodiment, pretreatment unit is set before biochemical treatment unit, to improve the biodegradability of waste water.
Conventional biochemical processing process may be used in biochemical treatment part, if waste water itself can natural disposition it is poor, can be in biochemical treatment
The preceding corresponding pretreatment unit of setting, to improve the biodegradability of waste water.It, can be in biochemical treatment when the phosphorus concentration of waste water is higher
Chemical dephosphorization unit is set before or after unit.
As a preferred embodiment, biochemical treatment part uses A/O/A/O techniques, wherein the major function in first pond A
The major function for being acidification hydrolization and denitrification, the major function organics removal in first pond O and nitrification, second pond A is
Denitrification denitrogenation (rear-mounted denitrification needs additional carbon), second pond O major function remove the remaining carbon of rear-mounted denitrification
Source.Total nitrogen can be removed using rear-mounted denitrification to the maximum extent, mitigate the burden of successive depths processing denitrogenation.For convenience of follow-up
Advanced treating, membrane bioreactor (MBR) can be used in biochemical treatment part.If biochemical treatment part does not use MBR, Ying
Increase ultrafiltration (UF) unit before reverse osmosis (RO) unit of successive depths process part.
As a preferred embodiment, " ozone oxidation and biological activated carbon or other biologies are set after biochemical treatment unit
Filter tank " unit further decreases the concentration of organic pollution.If the COD of biochemical treatment unit water outlet is still higher, anti-to extend
The service life of permeable membrane can be arranged " ozone oxidation and biological activated carbon or other biofilters " after biochemical treatment unit
Unit further decreases the concentration of organic pollution.In this case, reverse osmosis (RO) unit of successive depths process part it
Before should increase ultrafiltration (UF) unit.
The purpose that multi-stage reverse osmosis is set be in order to through upper level reverse osmosis membrane fresh water make further purification, until
The nitrogen and phosphorus content of RO fresh water is less than detection limit, meets the requirement of waste water nitrogen phosphorus " zero-emission ", qualified discharge；It is reverse osmosis that multistage is set
Purpose be in order to the concentrated water of the reverse osmosis discharge of the preceding paragraph make further concentration, reduce into vapo(u)rization system water, reduce
Energy consumption；Evaporation condensed water returns to multistage multistage counter-infiltration system and is for further processing.
The advantage of the invention is that：For the pharmacy corporation by GMP certifications, waste water is even across advanced treating
It cannot be back to production, realize that waste water nitrogen phosphorus " zero-emission " is the only way out.For this purpose, the present invention multistage multistage it is reverse osmosis with
Evaporation is combined together the advanced treating for waste water, and evaporation condensed water is back to counter-infiltration system and is for further processing,
The concentration of nitrogen phosphorus is less than detection limit in the fresh water that multi-stage reverse osmosis generates, and meets the requirement of waste water nitrogen phosphorus " zero-emission ", row up to standard
It puts.
Description of the drawings
Fig. 1 is waste water nitrogen phosphorus " zero-emission " advanced treatment process general flow chart, and F1 counter-infiltration systems are intake in figure, P1 level-ones
One section of RO fresh water, two level RO water inlets, one section of RO concentrated water of C1 level-ones, two sections of RO water inlets；P2 two level RO fresh water (meets nitrogen phosphorus " zero-emission
Put " require, outer row), C2 two level RO concentrated waters (are back to one section of RO water inlet of level-one)；Bis- sections of RO fresh water of P3 (are back to level-one one
Section RO water inlets or two level RO water inlets), bis- sections of RO concentrated waters of C3, three sections of RO water inlets；Tri- sections of RO fresh water of P4 (are back to two sections of RO
Water inlet), tri- sections of RO concentrated waters of C4, evaporation water inlet；S evaporation residues (commission has the disposition of qualification unit), (reflux of CW evaporation condensed waters
To one section of RO water inlet of level-one or two sections of RO water inlets).
Specific implementation mode
Present invention will be further explained below with reference to specific examples.Experimental method used in following embodiments for example without
Specified otherwise is conventional method.The materials, reagents and the like used in the following examples unless otherwise specified can be from business way
Diameter obtains.It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
Embodiment 1.
Pharmacy waste water：COD=420~685mg/L, NH3- N=7.2~16.6mg/L, TN=20.8~52.6mg/L, TP
=2.4~5.3mg/L.A/O/A/O techniques are used to carry out biochemical treatment first, biochemical treatment part uses membrane bioreactor
(MBR), MBR water outlets are directly entered " three sections of two level reverse osmosis+evaporation " technique and carry out advanced treating.
" three sections of two level reverse osmosis+evaporation " process flow diagram refers to Fig. 1.Through the light of one section of reverse osmosis membrane of level-one
Water makees further purification into two-pass reverse osmosis, and the fresh water concentration of nitrogen and phosphorus of two level RO is less than detection limit, meets waste water nitrogen phosphorus " zero
The requirement of discharge ", qualified discharge；The concentrated water of two level RO returns to the entrance of one section of RO of level-one, one section of reverse osmosis concentrated water of level-one into
Enter two sections it is reverse osmosis be further processed, two sections of RO fresh water are back to one section of RO entrance of level-one, and two sections of RO concentrated waters enter three sections of reverse osmosis
Thoroughly；Three sections of RO fresh water are back to two sections of RO entrances, and three sections of RO concentrated waters enter evaporation element, the evaporative desalination in evaporator, generate
Condensate return to two sections of RO entrance, for further processing.
Biochemical treatment system flow of inlet water 100L/h, first ponds A residence time 12h, first ponds O residence time for 24 hours,
Second ponds A residence time 6h, second ponds O (and MBR membrane cisternas) residence time 4h, after experimental rig is stable, at biochemistry
Reason system is discharged COD=45~60mg/L, NH3- N=0.1~0.5mg/L, TN=0.6~1.4mg/L, TP=0.5~
2.2mg/L。
" three sections of two level reverse osmosis+evaporation " each section producing water ratios at different levels are controlled 67%, and evaporation condensed water is back to two
Section RO entrances, evaporation raffinate commission have the disposition of qualification unit.Advanced treatment apparatus is run 2 weeks, the NH of one section of RO fresh water of level-one3-N
It is not detected~0.03mg/L, TN 0.08~0.24mg/L, TP are not detected；The NH of two level RO fresh water3- N, TN and TP are not detected.
Obviously, the produced fresh water of two level RO meets nitrogen phosphorus " zero-emission " requirement.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (8)
1. a kind of waste water nitrogen phosphorus " zero-emission " method, which is characterized in that first wherein using conventional biochemical processing process removal
Then most of organic matter, nitrogen and phosphorus use " multistage multistage reverse osmosis+evaporation " technique to carry out advanced treating, the depth
Reason refers to that the fresh water of the reverse osmosis generation of upper level enters the reverse osmosis further purification of next stage, until the nitrogen and phosphorus content of RO fresh water
Less than detection limit, meet waste water nitrogen phosphorus " zero-emission " requirement, qualified discharge；The concentrated water of the reverse osmosis discharge of the preceding paragraph enters next section
Reverse osmosis further concentration reduces the water into vapo(u)rization system, reduces energy consumption；It is reverse osmosis that evaporation condensed water returns to multistage multistage
System is for further processing.
2. a kind of waste water nitrogen phosphorus " zero-emission " method according to claim 1, which is characterized in that the advanced treating is
" three sections of two level reverse osmosis+evaporation " technique is made further net through the fresh water of one section of reverse osmosis membrane of level-one into two-pass reverse osmosis
Change, the fresh water concentration of nitrogen and phosphorus of two level RO is less than detection limit, meets the requirement of waste water nitrogen phosphorus " zero-emission ", qualified discharge；Two level RO
Concentrated water return to the entrance of level-one one section of RO, one section of reverse osmosis concentrated water of level-one enter two sections it is reverse osmosis be further processed, two sections
RO fresh water is back to one section of RO entrance of level-one or two level RO entrances, and two sections of RO concentrated waters are reverse osmosis into three sections；Three sections of RO fresh water return
It is flow to one section of RO entrance of two sections of RO entrances or level-one, three sections of RO concentrated waters enter evaporation element, the evaporative desalination in evaporator, generate
Condensate return to two sections of RO one section of RO of entrance or level-one entrance, for further processing.
3. a kind of waste water nitrogen phosphorus " zero-emission " method according to claim 1, which is characterized in that the evaporation is using machinery
Formula vapor recompression evaporator.
4. a kind of waste water nitrogen phosphorus " zero-emission " method according to claim 1, which is characterized in that before biochemical treatment unit
Pretreatment unit is set, to improve the biodegradability of waste water.
5. a kind of waste water nitrogen phosphorus " zero-emission " method according to claim 1, which is characterized in that the biochemical treatment uses
A/O/A/O techniques, wherein the major function in first pond A is the major function removal of acidification hydrolization and denitrification, first pond O
Organic matter and nitrification, the major function in second pond A be denitrification denitrogenation, second pond O the major function removal anti-nitre of postposition
Change remaining carbon source.
6. a kind of waste water nitrogen phosphorus " zero-emission " method according to claim 1, which is characterized in that the biochemical treatment uses
Membrane bioreactor.
7. a kind of waste water nitrogen phosphorus " zero-emission " method according to claim 1, which is characterized in that after biochemical treatment unit
Setting " ozone oxidation and biological activated carbon or other biofilters " unit, further decreases the concentration of organic pollution.
8. a kind of waste water nitrogen phosphorus " zero-emission " method according to claim 7, which is characterized in that advanced treating it is reverse osmosis
Increase ultra filtration unit before unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610171281.6A CN105776700B (en) | 2016-03-24 | 2016-03-24 | A kind of waste water nitrogen phosphorus " zero-emission " technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610171281.6A CN105776700B (en) | 2016-03-24 | 2016-03-24 | A kind of waste water nitrogen phosphorus " zero-emission " technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105776700A CN105776700A (en) | 2016-07-20 |
| CN105776700B true CN105776700B (en) | 2018-10-26 |
Family
ID=56390752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610171281.6A Expired - Fee Related CN105776700B (en) | 2016-03-24 | 2016-03-24 | A kind of waste water nitrogen phosphorus " zero-emission " technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105776700B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167342A (en) * | 2016-09-29 | 2016-11-30 | 环境保护部南京环境科学研究所 | A kind of biological medicine waste water nitrogen phosphorus processing means and processing method thereof |
| CN106865897A (en) * | 2017-03-14 | 2017-06-20 | 广东浦华环保科技有限公司 | A kind of brine waste zero emission processing unit and processing method |
| CN106946397A (en) * | 2017-05-18 | 2017-07-14 | 伟泰科技（无锡）有限公司 | A kind of wastewater zero discharge system |
| CN107473414A (en) * | 2017-09-30 | 2017-12-15 | 董云珠 | A kind of multiple stage circulation purifier and multiple stage circulation water cleaning systems |
| CN108314225A (en) * | 2018-01-26 | 2018-07-24 | 浙江理工大学 | Improve the device and purification method of sewage stripping bottom of tower reuse purified water water quality |
| JP7366527B2 (en) * | 2018-09-14 | 2023-10-23 | 株式会社東芝 | water treatment equipment |
| CN109607959A (en) * | 2018-12-30 | 2019-04-12 | 江苏旭龙环境科技有限公司 | A kind of chemical industrial organic wastewater zero-emission concentrating and treating system and application method |
| CN110697963A (en) * | 2019-11-11 | 2020-01-17 | 苏州澄江环境科技有限公司 | Method and system for treating biochemical wastewater evaporative crystallization zero mother liquor |
| CN112939342A (en) * | 2021-01-28 | 2021-06-11 | 郭振河 | Deep treatment method for hazardous waste packaging and cleaning wastewater |
| CN114873831A (en) * | 2021-02-05 | 2022-08-09 | 三达膜科技（厦门）有限公司 | Method for recovering rare earth in water extracted from rare earth tailings |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514069A (en) * | 2009-04-03 | 2009-08-26 | 北京首钢国际工程技术有限公司 | Coking wastewater biological denitrificaion treatment process |
| CN202829789U (en) * | 2012-10-19 | 2013-03-27 | 郑州江河环保技术有限公司 | Biochemical treatment system based on wastewater oxidation |
| CN202909633U (en) * | 2012-11-19 | 2013-05-01 | 田旭峰 | Reverse osmosis system |
| CN103102049A (en) * | 2013-03-07 | 2013-05-15 | 苏州苏净环保工程有限公司 | High-nitrogen-concentration organic wastewater treatment method |
-
2016
- 2016-03-24 CN CN201610171281.6A patent/CN105776700B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514069A (en) * | 2009-04-03 | 2009-08-26 | 北京首钢国际工程技术有限公司 | Coking wastewater biological denitrificaion treatment process |
| CN202829789U (en) * | 2012-10-19 | 2013-03-27 | 郑州江河环保技术有限公司 | Biochemical treatment system based on wastewater oxidation |
| CN202909633U (en) * | 2012-11-19 | 2013-05-01 | 田旭峰 | Reverse osmosis system |
| CN103102049A (en) * | 2013-03-07 | 2013-05-15 | 苏州苏净环保工程有限公司 | High-nitrogen-concentration organic wastewater treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105776700A (en) | 2016-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105776700B (en) | A kind of waste water nitrogen phosphorus " zero-emission " technology | |
| EP3747836A1 (en) | Anaerobic ammonia oxidation-based sewage treatment process using mbr | |
| CN109133532A (en) | A kind of process for town sewage treatment being applicable in quasi- IV class water quality standard | |
| CN105601030B (en) | A kind of sewage-treatment plant and technique of the operation of cycle sequence batch | |
| Itokawa et al. | Design and operating experiences of full-scale municipal membrane bioreactors in Japan | |
| KR101721251B1 (en) | SBR Process coupled with Membrane Process | |
| US8808543B2 (en) | Method for wet weather wastewater treatment | |
| CN108178430A (en) | The system and method for oil refining sewerage advanced treatment and reclamation and concentrated water processing qualified discharge | |
| Di Fabio et al. | Are centralized MBRs coping with the current transition of large petrochemical areas? A pilot study in Porto-Marghera (Venice) | |
| Rajamani | Sustainable environmental technologies including water recovery for reuse from tannery and industrial wastewater–Indian and Asian scenario | |
| JP2012110807A (en) | Sewage treatment system | |
| KR100489728B1 (en) | Wastewater treatment system by multiple sequencing batch reactor and its operation methods | |
| CN106277553A (en) | The processing method of the dense water of reverse osmosis (RO) and equipment | |
| Hu et al. | Appropriate technologies for upgrading wastewater treatment plants: methods review and case studies in China | |
| KR19980083279A (en) | Treatment method of high concentration organic wastewater and nutrients using immersion type microfiltration membrane-activated sludge process | |
| JP5944467B2 (en) | Sewage treatment system | |
| CN106006954A (en) | Method adopting waste molasses as nitrogen removal reinforcing carbon source of sewage treatment plant | |
| Raharjo et al. | Reuse of domestic wastewater by membrane technologies towards sustainable city development | |
| CN104773911A (en) | Device and method for treating printing and dyeing wastewater | |
| El-Sheekh et al. | Wastewater treatment by membrane bioreactor as potent and advanced technology | |
| JP5944468B2 (en) | Sewage treatment system | |
| Pagotto Jr et al. | SANASA Capivari II–the first full-scale municipal membrane bioreactor in Latin America | |
| KR100350050B1 (en) | Circular Waterway Type Waste Water Treatment System for Nitrogen & Phosphorous Removal | |
| Rajamani | ENVIRONMENTAL PROTECTION CHALLENGES AND TECHNOLOGICAL DEVELOPMENTS IN ASIAN LEATHER INDUSTRY | |
| CN102757161B (en) | Low-carbon double-effect nitrogen removing sewage treatment system and process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20200324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |