CN103693740B - A kind of method of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof - Google Patents
A kind of method of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof Download PDFInfo
- Publication number
- CN103693740B CN103693740B CN201310751259.5A CN201310751259A CN103693740B CN 103693740 B CN103693740 B CN 103693740B CN 201310751259 A CN201310751259 A CN 201310751259A CN 103693740 B CN103693740 B CN 103693740B
- Authority
- CN
- China
- Prior art keywords
- aerobic
- zone
- waste water
- area
- anaerobic zone
- 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.)
- Active
Links
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention belongs to technical field of biological treatment of wastewater, the method being specifically related to a kind of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof.To being followed successively by outward anaerobic zone, aerobic area and aerobic zone in reaction tank；Wastewater inlet pipe is located at the top, anaerobic zone of reaction tank, and the top, aerobic zone of reaction tank is located at by outlet pipe；It is equipped with multiple micro-hole aerator bottom aerobic area and aerobic zone；Rectification wall radially it is respectively equipped with between anaerobic zone and aerobic area, aerobic area and aerobic zone, rectification wall both sides between anaerobic zone and aerobic area set the rectification wall both sides in anaerobic zone reserved opening and reflux pump, aerobic area and aerobic interval respectively and set aerobic area reserved opening and reflux pump respectively；Liquid impellers is set in anaerobic zone.The present invention arranges rectification wall in aerobic area and aerobic zone, waste water can be made to be run by self gravitation pulling flow type, effectively save energy consumption, be effectively improved treatment effect.The present invention overcomes prior art not enough, it is provided that a kind of technique is simple, and energy consumption is low, the technique of high treating effect.
Description
Technical field
The invention belongs to technical field of biological treatment of wastewater, the method being specifically related to a kind of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof.
Background technology
Anaerobism-oxygen-aerobic method of holding concurrently is a kind of conventional sewage treatment process, anaerobism-anoxic-aerobic process is being removed while organic carbon pollutes (BOD) in sewage, can also effectively remove nitrogen and phosphorus in sewage to pollute, new approach is opened for reusing sewage and resource, compared with it carries out three grades of materializing strategy again with after conventional activated sludge process two stage treatment, not only investment and operating cost are low, and without a large amount of reluctant chemical sludges, have good environmental benefit and economic benefit.Three workshop sections are provided separately by conventional anaerobism-anoxic-aerobic process, but this cell body carries out internal recycle when denitrogenation dephosphorizing between each workshop section need longer conveyance conduit and bigger energy consumption, the existing each workshop section of anaerobism-anoxic-aerobic process is for being thoroughly mixed formula simultaneously, waste water enters bottom reaction tank, under the lifting stirring action of surface aeration machine, it is sufficiently mixed with full pond mixed liquor, thus full pond water quality is substantially uniform, can not playing disposal ability completely, treatment effeciency is compared less high.For this phenomenon, biochemistry pool is carried out technological transformation by this patent, rectification wall is set reaction process is become pulling flow type, so that waste water is intake by head end in each interval of biochemistry pool, flow through whole reaction zone with Promoting Form along pond length direction, by outlet water at tail end, fully improve the haptoreaction time, improve treatment effeciency, it is possible to provide a kind of two sections of energy-efficient pulling flow type anaerobism-anoxic-aerobic process.
Summary of the invention
The technical problem to be solved in the present invention is to overcome deficiency in existing technique, the method that two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof is provided, by novelty, rectification wall is set, by full-mixing type (water inlet mixes with full pond mixed liquor), traditional handicraft is changed into pulling flow type (intake from head end, outlet water at tail end), energy consumption can be reduced, improve treatment effect.
In order to achieve the above object, the present invention adopts below scheme:
A kind of two sections of pulling flow type anaerobism-oxygen-aerobic reaction pond of holding concurrently, to being followed successively by outward anaerobic zone, aerobic area and aerobic zone in reaction tank；Wastewater inlet pipe is located at the top, anaerobic zone of reaction tank, and the top, aerobic zone of reaction tank is located at by outlet pipe；It is equipped with multiple micro-hole aerator bottom aerobic area and aerobic zone；Rectification wall radially it is respectively equipped with between anaerobic zone and aerobic area, aerobic area and aerobic zone, rectification wall both sides between anaerobic zone and aerobic area set the rectification wall both sides in anaerobic zone reserved opening and reflux pump, aerobic area and aerobic interval respectively and set aerobic area reserved opening and reflux pump respectively；Liquid impellers is set in anaerobic zone.
The bottom adjacent with rectification wall, described anaerobic zone is provided with anaerobic zone reserved opening, and the bottom adjacent with rectification wall, aerobic area is provided with aerobic area reserved opening.
Between described aerobic area and anaerobic zone, aerobic zone and aerobic area body of wall equipped with reflux pump under liquid carry out waste water from aerobic area, aerobic zone to anaerobic zone reflux.
Further, reactor includes the anaerobic zone being concentric circular and arranging to outer ring successively, aerobic area and aerobic zone, rectification wall it is respectively provided with between aerobic area and aerobic zone, it is provided with wastewater inlet pipe at top, anaerobic zone, top, aerobic zone is provided with outlet pipe, liquid impellers is set in anaerobic zone, in aerobic area, multiple micro-hole aerator it is provided with bottom aerobic zone, the latter end that aerobic area waste water flows through is provided with under liquid reflux pump by aerobic area effluent recycling to anaerobic zone, the latter end that aerobic zone waste water flows through is provided with under liquid reflux pump by aerobic zone effluent recycling to aerobic area entrance, described anaerobic zone reserved opening is arranged on anaerobic zone and rectification wall adjacent base position, waste water enters aerobic area through anaerobic zone reserved opening, aerobic area reserved opening is arranged on aerobic area and rectification wall adjacent base position, waste water enters aerobic zone through aerobic area reserved opening.Rectification wall is respectively provided with between aerobic area and aerobic zone, makes full-mixing type change pulling flow type into；Waste water is plug-flow operation under rectification wall and liquid self gravitation effect after the pre-buried mouth water outlet in anaerobic zone, and waste water is plug-flow operation under rectification wall and liquid self gravitation effect after the pre-buried mouth water outlet in Jian Yangyang district.
Described rectification wall is respectively provided with between aerobic area and aerobic zone, makes full-mixing type change pulling flow type into；Waste water is plug-flow operation under rectification wall and liquid self gravitation effect after the pre-buried mouth water outlet in anaerobic zone, and waste water is plug-flow operation under rectification wall and liquid self gravitation effect after the pre-buried mouth water outlet in Jian Yangyang district.
Waster water process flow process is as follows: the thing that adds processing waste water adds and anaerobic zone respectively, in aerobic area and aerobic zone, waste water is first entered by top water inlet pipe the full-mixing type anaerobic district at center again, rapid homogenizing after water inlet, stop 2-4h, then the aerobic area of pulling flow type is flowed to through anaerobic zone reserved opening, the time of staying is 7-8h, and utilize waste water plug-flow one under self gravitation and rectification wall effect to enclose to flow to aerobic zone through aerobic area reserved opening, and time of staying 15-16h, then under waste water reuse self gravitation and rectification wall effect, plug-flow one encloses and flows out through outlet, and then reach to process the purpose of waste water.
The mesosphere of anaerobism-anoxic-aerobic process system is anaerobic zone, and the Organic substance in waste water is converted into tunning by this interval facultative zymogenous bacteria, limited carbon source is first supplied to polyP bacteria simultaneously, is conducive to the phosphor-removing effect of raising system；Mesosphere is aerobic area, by controlling dissolved oxygen and the time of staying in this interval, can effectively realize aerobic area short-cut nitrification and denitrification, ammonia nitrogen be changed into nitrogen discharge in air, improves PROCESS FOR TREATMENT COD load simultaneously；Outmost turns is aerobic zone, the COD of residual in waste water is carried out aerobic nitrification by the sufficient oxygen that this interval is provided by micro-hole aerator, on the other hand aerobic from oxygen type Nitrite bacteria, ammonia nitrogen is carried out aerobic nitrification by what aerobic zone inoculated and cultured out, ammonia nitrogen is made to be changed into nitrate nitrogen and be back to double oxygen section and carry out anti-nitration reaction, to reach to remove the purpose of ammonia nitrogen.
A kind of two sections of pulling flow type anaerobism-anoxic-aerobic process as above, it is characterised in that described waste water is nitrogen-containing wastewater, phosphorus-containing wastewater etc..
Methanation, denitrification and nitrifying sludge it is enriched with in anaerobic zone, aerobic area and aerobic zone.Described methanation, denitrification and nitrifying sludge can produce the facultative zymogenous bacteria of anaerobism, polyP bacteria, aerobic nitrification bacterium etc. by domestication.
In sum, this technique has an advantage in that relative to prior art:
1, rectification wall is set, makes waste water plug-flow under the effect of self gravitation and rectification wall run, traditional full-mixing type change pulling flow type into, be greatly saved energy consumption, improve treatment effect simultaneously.
2, by controlling aerobic area dissolved oxygen and the time of staying, and arrange between anaerobic zone and aerobic area, aerobic area and aerobic zone under water under liquid reflux pump reflux, it is possible to effectively realize short-cut nitrification and denitrification, improve technique COD load.Compared with traditional handicraft, there is saving carbon source, the features such as sludge yield is few, for nitrogenous higher and that carbon source is not enough waste water, there is very big actual application value.
3, by arranging micro-hole aerator in aerobic area and aerobic zone, in waste water, enough oxygen is effectively added.
4, by present invention process ammonia nitrogen removal frank 90%, dephosphorizing rate 90%, COD clearance 85%, more traditional A2O technique improves 5-6 percentage point.
Accompanying drawing explanation
Fig. 1 is a kind of two sections of pulling flow type anaerobism of the present invention-oxygen-aerobic reaction pond plane graph of holding concurrently.Wherein 1, water inlet pipe, 2, the pre-buried mouth in anaerobic zone, 3, the pre-buried mouth in aerobic area, 4, reflux pump under the liquid of aerobic zone, 5, reflux pump under the liquid of aerobic area, 6, micro-hole aerator, 7, rectification wall, 8, water inlet tube seat, 9, outlet pipe, 10, liquid impellers.
Fig. 2 be A shown in Fig. 1 to, B to C to profile.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are further described:
nullTwo sections of pulling flow type anaerobism of the one of the present invention-oxygen-aerobic reaction pond of holding concurrently，Mainly through concentric circular and successively to the anaerobic zone of outer ring setting，Aerobic area and aerobic zone are sequentially carried out biological treatment，First waste water enters center circle through top, anaerobic zone wastewater inlet pipe 1 and carries out anaerobic treatment，Anaerobic zone is for being thoroughly mixed，Rapid homogenizing under the effect of liquid impellers 10，Time of staying 2-4h,Waste water flows to mesosphere aerobic area through the pre-buried mouth 2 in anaerobic zone after anaerobic zone stays for some time，Waste water under rectification wall 7 and deadweight situation after plug-flow one circle bottom aerobic area and aerobic zone pre-buried mouth 3 flow to outmost turns aerobic zone,The time of staying is 7-8h，Waste water plug-flow one under aerobic zone rectification wall 7 and deadweight situation encloses and flows out through outlet pipe 9，Effluent part effect of reflux pump 5 under liquid in aerobic area is back to anaerobic zone，Aerobic zone effluent part under liquid under the effect of reflux pump 4 through being back to aerobic area，The aerobic zone time of staying is about 15-16h.Bottom described aerobic area, aerobic zone, it is provided with multiple micro-hole aerator 6, rectification wall 7 is set between aerobic area and aerobic zone.
Sludge acclimatization: according to volume ratio 50-60%, the second pond aerobic sludge taking from sewage treatment plant is added anaerobic zone, aerobic area, aerobic zone, at the culturing sludge initial stage, begins into producing waste water on a small quantity, inflow is less than the 20% of domestication pre-treatment ability.Supplement fresh water, feces water etc. simultaneously.After reaching better process, production waste water dosage can be increased, increase less than 10～20% every time, and adapt to after consolidation, be further continued for the indexs such as hypertrophy product waste water synchronous monitoring water outlet CODcr concentration until microorganism, and observe mixed liquor sludge character and carry out the biofacies microscopy of mud.Biofacies is good, illustrates that sludge acclimatization completes, can carry out wastewater treatment.
Embodiment 1
The second pond aerobic sludge taking from sewage treatment plant is added respectively by the 50-60% of anaerobic zone, aerobic area, the respective volume in aerobic zone.Wherein, specifically at the culturing sludge initial stage, beginning into producing waste water on a small quantity, inflow is less than the 20% of domestication pre-treatment ability.Supplement fresh water, feces water etc. simultaneously.After reaching better process, production waste water dosage can be increased, increase less than 10～20% every time, and adapt to after consolidation, be further continued for the indexs such as hypertrophy product waste water synchronous monitoring water outlet CODcr concentration until microorganism, and observe mixed liquor sludge character and carry out the biofacies microscopy of mud.Biofacies is good, illustrates that sludge acclimatization completes, can carry out wastewater treatment.
nullIt is 600mg/L by COD,Ammonia nitrogen 100mg/L,Total phosphorus 30mg/ waste water uses two sections of pulling flow type anaerobism-anoxic-aerobic process to process，First waste water is introduced anaerobic zone, center through top, anaerobic zone wastewater inlet pipe，Under the effect of liquid impellers, waste water mixes rapidly homogenizing，Organic substance in waste water is converted into tunning by this facultative zymogenous bacteria of interval anaerobism，Limited carbon source is first supplied to polyP bacteria simultaneously，Be conducive to the phosphor-removing effect of raising system，Waste water enters aerobic area through pre-buried mouth after anaerobic zone stops 2.5h，Waste water plug-flow one under the effect of rectification wall and self gravitation encloses，Aerobic area is by controlling the time of staying and dissolved oxygen，In the nitrate that can effectively realize utilizing aerobic zone mixed-liquor return and bring and waste water, biodegradable organic carries out short-cut nitrification and denitrification reaction，Reach to remove the purpose of organic carbon and denitrogenation simultaneously，Waste water is at aerobic area time of staying 7h,Waste water after process flows to aerobic zone through pre-buried mouth，This section of main COD to residual carries out aerobic oxidation，From oxygen type Nitrite bacteria, ammonia nitrogen is carried out aerobic nitrification by taming the aerobic of generation by this section on the other hand，Ammonia nitrogen is made to be changed into nitrate nitrogen and be back to double oxygen section and carry out anti-nitration reaction，Ammonia nitrogen is made to remove completely，Waste water is at aerobic zone time of staying 15h,After Aerobic Process for Treatment, waste water is discharged by outlet pipe，
The waste water index discharged after treatment is: ammonia nitrogen is 10mg/L, and total phosphorus is 0.5mg/L, COD is 85mg/L.
Embodiment 2
nullBy COD800mg/L,Ammonia nitrogen 150mg/L,Total phosphorus 40mg/L waste water uses two sections of pulling flow type anaerobism-anoxic-aerobic process to process，First waste water is introduced anaerobic zone, center through top, anaerobic zone wastewater inlet pipe，Under the effect of liquid impellers, waste water mixes rapidly homogenizing，Organic substance in waste water is converted into tunning by this facultative zymogenous bacteria of interval anaerobism，Limited carbon source is first supplied to polyP bacteria simultaneously，Be conducive to the phosphor-removing effect of raising system，Waste water enters aerobic area through pre-buried mouth after anaerobic zone stops 2.5h，Waste water plug-flow one under the effect of rectification wall and self gravitation encloses，Control aerobic area dissolved oxygen 1-1.5mg/L,Aerobic area is by controlling the time of staying and dissolved oxygen，In the nitrate that can effectively realize utilizing aerobic zone mixed-liquor return and bring and waste water, biodegradable organic carries out short-cut nitrification and denitrification reaction，Reach to remove the purpose of organic carbon and denitrogenation simultaneously，，Waste water is at aerobic area time of staying 7h,Waste water after process flows to aerobic zone through pre-buried mouth，This section of main COD to residual carries out aerobic oxidation，From oxygen type Nitrite bacteria, ammonia nitrogen is carried out aerobic nitrification by taming the aerobic of generation by this section on the other hand，Ammonia nitrogen is made to be changed into nitrate nitrogen and be back to double oxygen section and carry out anti-nitration reaction，Ammonia nitrogen is made to remove completely，Waste water is at aerobic zone time of staying 15h,After Aerobic Process for Treatment, waste water is discharged by outlet pipe，
The waste water index discharged after treatment is: ammonia nitrogen is 15mg/L, and total phosphorus 0.7mg/L, COD are 95mg/L.
Embodiment 3
nullIt is 1000mg/L by COD,Ammonia nitrogen 200mg/L,Total phosphorus is that 40mg/L waste water uses two sections of pulling flow type anaerobism-anoxic-aerobic process to process，First waste water is introduced anaerobic zone, center through top, anaerobic zone wastewater inlet pipe，Under the effect of liquid impellers, waste water mixes rapidly homogenizing，Organic substance in waste water is converted into tunning by this facultative zymogenous bacteria of interval anaerobism，Limited carbon source is first supplied to polyP bacteria simultaneously，Be conducive to the phosphor-removing effect of raising system，Waste water enters aerobic area through pre-buried mouth after anaerobic zone stops 2.5h，Waste water plug-flow one under the effect of rectification wall and self gravitation encloses，Aerobic area is by controlling the time of staying and dissolved oxygen，In the nitrate that can effectively realize utilizing aerobic zone mixed-liquor return and bring and waste water, biodegradable organic carries out short-cut nitrification and denitrification reaction，Reach to remove the purpose of organic carbon and denitrogenation simultaneously，Waste water is at aerobic area time of staying 7h,Waste water after process flows to aerobic zone through pre-buried mouth，This section of main COD to residual carries out aerobic oxidation，From oxygen type Nitrite bacteria, ammonia nitrogen is carried out aerobic nitrification by taming the aerobic of generation by this section on the other hand，Ammonia nitrogen is made to be changed into nitrate nitrogen and be back to double oxygen section and carry out anti-nitration reaction，Ammonia nitrogen is made to remove completely，Waste water is at aerobic zone time of staying 15h,After Aerobic Process for Treatment, waste water is discharged by outlet pipe，
The waste water index discharged after treatment is: ammonia nitrogen is 15mg/L, and total phosphorus is 0.8mg/L, COD is 90mg/L.
Claims (3)
1. two sections of pulling flow type anaerobism-oxygen-aerobic reaction pond of holding concurrently, it is characterised in that: to being followed successively by outward anaerobic zone, aerobic area and aerobic zone in reaction tank；Wastewater inlet pipe is located at the top, anaerobic zone of reaction tank, and the top, aerobic zone of reaction tank is located at by outlet pipe；It is equipped with multiple micro-hole aerator bottom aerobic area and aerobic zone；Rectification wall radially it is respectively equipped with between anaerobic zone and aerobic area, aerobic area and aerobic zone, rectification wall both sides between anaerobic zone and aerobic area set the rectification wall both sides in anaerobic zone reserved opening and reflux pump, aerobic area and aerobic interval respectively and set aerobic area reserved opening and reflux pump respectively；Liquid impellers is set in anaerobic zone；
The bottom adjacent with rectification wall, described anaerobic zone is provided with anaerobic zone reserved opening, and the bottom adjacent with rectification wall, aerobic area is provided with aerobic area reserved opening；
Between described aerobic area and anaerobic zone, aerobic zone and aerobic area body of wall equipped with reflux pump under liquid carry out waste water from aerobic area, aerobic zone to anaerobic zone reflux.
2. the method that the two sections of pulling flow type anaerobism utilized described in claim 1-oxygen-aerobic reaction pond of holding concurrently processes waste water, it is characterized in that: the thing that adds processing waste water adds and anaerobic zone respectively, in aerobic area and aerobic zone, waste water is first entered by top water inlet pipe the full-mixing type anaerobic district at center again, rapid homogenizing after water inlet, stop 2-4h, then the aerobic area of pulling flow type is flowed to through anaerobic zone reserved opening, the time of staying is 7-8h, and utilize waste water plug-flow one under self gravitation and rectification wall effect to enclose to flow to aerobic zone through aerobic area reserved opening, and time of staying 15-16h, then under waste water reuse self gravitation and rectification wall effect, plug-flow one encloses and flows out through outlet, and then reach to process the purpose of waste water.
3. by the method utilizing two sections of pulling flow type anaerobism-oxygen-aerobic reaction pond of holding concurrently to process waste water described in claim 2, it is characterised in that: described waste water is containing ammonia nitrogen, phosphorus-containing wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751259.5A CN103693740B (en) | 2013-12-31 | 2013-12-31 | A kind of method of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751259.5A CN103693740B (en) | 2013-12-31 | 2013-12-31 | A kind of method of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103693740A CN103693740A (en) | 2014-04-02 |
| CN103693740B true CN103693740B (en) | 2016-07-06 |
Family
ID=50355437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310751259.5A Active CN103693740B (en) | 2013-12-31 | 2013-12-31 | A kind of method of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103693740B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541041A (en) * | 2016-01-25 | 2016-05-04 | 广西梧州市碧清源环保投资有限公司 | AOOC combined equipment for treating sewage and realizing renewable water and sewage treatment method |
| CN109133513A (en) * | 2018-09-12 | 2019-01-04 | 泰山学院 | Septic tank wastewater recycling centralized processing system after a kind of transformation of rural pit toilet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065645A (en) * | 1992-05-22 | 1992-10-28 | 中国纺织大学 | Aerobic-the hold concurrently oxygen-anaerobic purifing method and the device of high concentrated organic wastewater |
| CN102145960A (en) * | 2011-02-24 | 2011-08-10 | 江苏省环境科学研究院 | Device and method for denitrifying and dephosphorizing ecological protection multi-level filtration wall in water source area on rural land surface |
| CN102161554A (en) * | 2011-04-14 | 2011-08-24 | 上海市城市建设设计研究院 | Anaerobic hydrolysis-acidification and anoxic-aerobic process-sequencing batch reactor (AO-SBR) integrated sewage treatment reaction tank |
| CN102616997A (en) * | 2012-04-06 | 2012-08-01 | 中国中化股份有限公司 | Method for treating wastewater generated in production process of iron oxide pigment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4292610B2 (en) * | 1999-01-22 | 2009-07-08 | 栗田工業株式会社 | Organic wastewater treatment equipment |
-
2013
- 2013-12-31 CN CN201310751259.5A patent/CN103693740B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065645A (en) * | 1992-05-22 | 1992-10-28 | 中国纺织大学 | Aerobic-the hold concurrently oxygen-anaerobic purifing method and the device of high concentrated organic wastewater |
| CN102145960A (en) * | 2011-02-24 | 2011-08-10 | 江苏省环境科学研究院 | Device and method for denitrifying and dephosphorizing ecological protection multi-level filtration wall in water source area on rural land surface |
| CN102161554A (en) * | 2011-04-14 | 2011-08-24 | 上海市城市建设设计研究院 | Anaerobic hydrolysis-acidification and anoxic-aerobic process-sequencing batch reactor (AO-SBR) integrated sewage treatment reaction tank |
| CN102616997A (en) * | 2012-04-06 | 2012-08-01 | 中国中化股份有限公司 | Method for treating wastewater generated in production process of iron oxide pigment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103693740A (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110143725B (en) | Device and method for treating urban sewage by using mixed sludge fermentation liquor as carbon source through continuous flow short-cut denitrification coupling anaerobic ammonia oxidation process | |
| CN106006967B (en) | The method of short distance nitration-ANAMMOX- short-cut denitrification technique advanced treating anaerobic sludge digestion liquid and municipal sewage | |
| CN102557356B (en) | Process and method for denitrification and phosphorus removal of municipal sewage by half shortcut nitrification and anaerobic ammonium oxidation | |
| CN101289264B (en) | Combined denitrification apparatus and method by shortcut nitrification and anaerobic ammonium oxidation of sludge-digestion liquid | |
| CN102515350B (en) | Apparatus and method for nitrogen removal by combining garbage leachate SBR and anaerobic ammoxidation | |
| CN101284697B (en) | Device and method for realizing shortcut nitrification of sludge-digestion liquid by combined control of FA and FNA | |
| CN110436704B (en) | Urban sewage treatment upgrading and reforming process based on anaerobic ammonia oxidation | |
| CN109574218B (en) | Device and method for treating late landfill leachate through shortcut nitrification-fermentation/denitrification-anaerobic ammonia oxidation process | |
| CN104045156A (en) | Integrated efficient autotrophic nitrogen removal reactor | |
| CN101250009B (en) | Device and method for realizing shortcut nitrification of sludge digestive fluid by continuous flow suspended carrier | |
| CN105217786B (en) | Based on DEAMOX reinforcing improvement subsection water inflow As2The apparatus and method of/O technique biological carbon and phosphorous removals | |
| CN104944701B (en) | Based on intermission aeration strengthening sewage denitrification and dephosphorization and energy-saving method | |
| CN105776775A (en) | Anaerobic-autotrophic nitrogen removal-ozone oxidation coupling landfill leachate whole flow process zero emission processing process | |
| CN106430565B (en) | It is a kind of directly converted based on carbon source, the sewage low consumption processing of nitrogen biological eliminating and energy recovery combined treatment process | |
| CN102583883B (en) | Technology and method for treating urban sewage by sectional parallel anaerobic ammonia oxidation | |
| CN201264957Y (en) | Sludge digestive fluid short-range nitration and anaerobic ammoxidation combined denitrification apparatus | |
| CN202542997U (en) | Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage | |
| CN108585347A (en) | A kind of device and method that segmental influent oxidation ditch process adjusts low C/N municipal sewages | |
| CN102531290A (en) | Method and device for sludge digestive fluid two-level biological denitrification | |
| CN108101310B (en) | Device and method for treating desulfurization and denitrification wastewater of thermal power plant | |
| CN202492432U (en) | Device for denitrification by SBR combined with anaerobic ammoxidation of landfill leachate | |
| CN203999266U (en) | Low ratio of carbon to ammonium municipal effluent denitrification system based on Anammox | |
| CN203999133U (en) | A kind of integrated high-efficiency self-supported denitrification reactor | |
| CN103435227A (en) | Device and method for biological denitrification of landfill leachate through SBR (Sequencing Batch Reactor) short-cut nitrification-SBBR anaerobic ammonia oxidation combined process | |
| CN103693740B (en) | A kind of method of two sections of pulling flow type anaerobism-hold concurrently oxygen-aerobic reaction pond and process sewage thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110021 No. 8 Shen Liaodong Road, Tiexi District, Liaoning, Shenyang Co-patentee after: Sinochem Environmental Technology Engineering Co., Ltd Patentee after: Shenyang Chemical Research Institute Co., Ltd. Address before: 110021 No. 8 Shen Liaodong Road, Tiexi District, Liaoning, Shenyang Co-patentee before: Shenyang Research Institute of Chemical Industry Design Engineering Co., Ltd. Patentee before: Shenyang Chemical Research Institute Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |