CN204874205U - Kitchen garbage effluent disposal system - Google Patents
Kitchen garbage effluent disposal system Download PDFInfo
- Publication number
- CN204874205U CN204874205U CN201520582576.3U CN201520582576U CN204874205U CN 204874205 U CN204874205 U CN 204874205U CN 201520582576 U CN201520582576 U CN 201520582576U CN 204874205 U CN204874205 U CN 204874205U
- Authority
- CN
- China
- Prior art keywords
- waste
- reaction vessel
- kitchen garbage
- water
- pond
- 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)
Abstract
The utility model discloses a kitchen garbage effluent disposal system, its characterized in that: float dross removal mechanism, SHARON reactor, hydrolysis -acidification pool, oxygen deficiency pond, good oxygen pond, sedimentation tank and MBR membrane bioreactor, wherein partial waste water in the good oxygen pond and the some return sludge in the sedimentation tank to oxygen deficiency pond including the breakdown of emulsion coagulation air who communicates in proper order. The utility model discloses technology advanced technology, operation up to standard is reliable, the construction investment is reasonable, the working costs is low, can improve economic benefits, environmental benefit and the social of enterprise.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, particularly a kind of kitchen garbage, waste-water treatment system.
Background technology
Food garbage waste water is mainly derived from the moisture moisture produced during the fermentation with rubbish in food garbage itself, the complicated component of food and drink waste water, organic content is high, mainly contains foodstuff fibre, starch, fat, animals and plants oil, all kinds of seasoning matter, washing composition and protein etc.; The lipid acid resolved under pyrohydrolysis effect due to food garbage is not degraded further, the COD mass concentration of generation waste water is raised, and in food garbage solid substance, there is rich in protein, protein at digestive process by ammonification, food waste fermentation waste water is caused to have high-caliber ammonia nitrogen and total nitrogen concentration, cause carbon-nitrogen ratio (C/N scope 5.2 ~ 9.0 on the low side, average out to 7.3), not only there is impact to digestion, also impact is brought to follow-up wastewater biochemical process, due to the restraining effect of high ammonia nitrogen, biochemical treatment has larger difficulty.
Enter high-temperature anaerobic fermentation tank after kitchen waste oil removing fragmentation, the fermentation raffinate after fermentation dewaters through centrifuge, and mud is for the production of organic chemical fertilizer, and waste water enters waste water processing station.Collect the changing food waste entered the station and be roughly solid body, mainly based on starch, protein, fat, also contain salt simultaneously, free state fat etc., water ratio 70 ~ 90%, average in 80%, according to zymotechnique, the dry solid content in digester mixed solution is 12.5%, therefore need the solid substance thin up entering tank, roughly thinning ratio is 1:1 (water: solid substance).Residue centrifuge dehydration, the aqueous phase after mud-water separation and so-called food waste fermentation waste water after digestion.
This waste water has following features:
1. be rich in vegetable and animals oils
2. contain protein and humic acid ammonia nitrogen and total nitrogen concentration high
3. containing volatility Fructus Zanthoxyli oil and capsaicine
Due to the feature that wastewater flow rate is less relative to trade effluent, water-quality constituents is complicated, intractability is large produced after changing food waste fermentation.Develop the smooth enforcement that one can ensure engineering design, what reduce engineering risk is the current extremely urgent problem needing to solve to this waste water effective art breading route.
Utility model content
For existing problem, the purpose of this utility model is to provide a kind for the treatment of system that can ensure the effective kitchen garbage, waste-water of engineering construction, after treatment can qualified discharge.
To achieve these goals, the technical solution of the utility model is: a kind of kitchen garbage, waste-water treatment system, it is characterized in that: comprise the Demulsification and coagulant air supporting deslagging device, SHARON reactor, hydrolysis acidification pool, anoxic pond, Aerobic Pond, settling tank and the MBR membrane bioreactor that are communicated with successively, wherein the effluent part in Aerobic Pond and the partial sludge in settling tank are back to anoxic pond.
Its technical process is:
(1), the physico-chemical pretreatment stage: waste water enters Demulsification and coagulant air supporting deslagging device, suspended matter in the vegetable and animals oils in main removing waste water and water quality;
(2), the biochemical treatment stage: comprising:
The step of a:SHARON short-cut nitrification-denitrification;
After b:SHARON short-cut nitrification-denitrification is complete, waste water enters hydrolysis acidification pool and to be hydrolyzed acidifying;
C: the waste water after acidication enters organics removal, denitrogenation in A/O system;
D: enter MBR membrane bioreactor through settling tank from A/O system waste water out, after treatment final qualified discharge.
After the utility model process, the requirement of " sewage enters sewers water quality standard " (CJ343-2010) can be reached, up to standard reliable, construction investment rationally, the lowest coursing cost.
Above-mentioned: in the stage (1), add in Demulsification and coagulant air supporting deslagging device: emulsion splitter iron trichloride, coagulating agent PAC, flocculation agent PAM.
Concrete: the add-on of described iron trichloride is 1-2g/L waste water, and the add-on of described PAC is 0.8-1.5g/L waste water, and the add-on of described PAM is 10 ~ 50mg/L.Adopt above-mentioned medicament, after the physico-chemical pretreatment stage, the clearance that the clearance of COD can reach about 20%, SS is 95.4%-96.3%, and the clearance of vegetable and animals oils can reach 91.1%-94.2%.
In such scheme, described SHARON reactor comprises reaction vessel body, aerator is provided with in the bottom of reaction vessel body, described aerator is connected with compressed air source by tracheae, the bottom of described reaction vessel body is still provided with mud exhauster, described reaction vessel body is provided with water inlet pipe, is provided with agitator in described reaction vessel body.
In such scheme, described tracheae is provided with air robot under meter.
In such scheme, described water inlet pipe is provided with feed water flow gauge.
In such scheme, in described reaction vessel body, be provided with temperature sensor.Easier can monitor short-cut nitrification-denitrification reaction.
The step of SHARON short-cut nitrification-denitrification adopts the period treatment mode of water inlet-intermittent aeration-row's mixed solution, water temperature 30-35 DEG C, pH value controls at 7-8.5, dissolved oxygen controls at 1.0-1.5mg/L, the concentration of free ammonia controls at 5-10mg/L, mud is with ammonia load for 0.02-1.67kg/ (kg.d), and mud 1-2.5 days in age, total hrt is 30-40h.Through this step, the clearance of COD can reach 40%, and ammonia nitrogen can reach nearly 50%, more than TN50%, BOD60%.
In such scheme: described A/O system comprises anoxic pond, Aerobic Pond, and waste water first enters Aerobic Pond after anoxic pond, after finally entering settling tank precipitation, enter next link; Effluent part wherein in the partial sludge of settling tank and Aerobic Pond is back to anoxic pond again.
Denitrification reactor (anoxic pond) is arranged on the front end of A/O system, remove COD, carry out the rear end that the comprehensive aerobic reactor (Aerobic Pond) of nitration reaction is then arranged on flow process, raw waste water enters anoxic pond and Aerobic Pond and settling tank successively, simultaneously by the mixed solution of Aerobic Pond and the sludge reflux of settling tank to anoxic pond, therefore, organism in raw waste water can be utilized when realizing anti-nitration reaction directly as organic carbon source, becoming nitrogen by what return from aerobic reactor containing the nitrate denitrification in the mixed solution of nitrate.The basicity produced due to anti-nitration reaction in denitrification reactor can enter aerobic nitrification reactor with water outlet, about compensating the half of required consumption basicity in nitration reaction process.Aerobic nitrator is arranged on the rear end of flow process, and the residual organism of denitrification process also can be made to be able to further removal.
The beneficial effects of the utility model are: the utility model technical process is simple, by SHARON reactor successful Application in kitchen garbage, waste-water process, Technology is advanced, up to standard reliable, construction investment is reasonable, working cost is low, can improve the economic benefit of enterprise, environmental benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the utility model process flow sheet.
Fig. 2 is the structural representation of SHARON reactor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Embodiment 1
The waste water of the utility model process is filtrate after kitchen rubbish high temperature anaerobically fermenting, containing not by the organism such as oils, pericarp, vegetables, rice and flour, fish, meat that thermophilic fermentation decomposes in waste water, in changing food waste, protein is by the nitrogenous compound stayed after ammonification, the suspended substance etc. that dehydration is remaining.This waste water has that the water yield relatively large (but smaller again compared with trade effluent), draining are uneven, organism and ammonia nitrogen concentration is high, impurity and suspended substance is many, biodegradability is general feature, is a kind of high concentrated organic wastewater.
Fermentation waste water general nature is:
1, the inclined black of waste water;
2, wastewater through organic matter content is high, not by the larger molecular organics such as protein, Mierocrystalline cellulose, fat that thermophilic fermentation decomposes;
3, in waste water, suspension content is higher, also containing a small amount of capsicum, and Chinese prickly ash etc.;
4, containing a large amount of vegetable and animals oils and lipid;
5, nitrogen, phosphorus, potassium, calcium and all kinds of trace element is rich in;
6, containing higher NH3-N and TN concentration, mainly caused through anaerobic ammoniation effect by itrogenous organic substance.
Water-quality guideline of the present utility model and analytical procedure are in table 1:
Table 1
| Water quality analysis index | Analytical procedure |
| CODcr | Potassium dichromate process |
| KN | Distillation volumetry |
| NH 3-N | Distillation volumetry |
| TN | Peroxide potassium sulfate-ultraviolet spectrophotometry |
| TP | Molybdenum-antimony anti-spectrophotometric method |
| BOD 5 | Dilution inoculation method |
| pH | PH meter |
| Total acidity | Acid-base titration |
| CL - | Silver nitrate titration method |
Note: assay method: except COD adopts rapid method, other method is shown in " water and waste water method for monitoring and analyzing " (the 4th edition) (State Environmental Protection Administration's volume)
The utility model design processing technological flow as Fig. 1, by the Demulsification and coagulant air supporting deslagging device 1, SHARON reactor 2, hydrolysis acidification pool 3, anoxic pond 4, Aerobic Pond 5, settling tank 6 and the MBR membrane bioreactor 7 that connect successively.
Anoxic pond 4, Aerobic Pond 5 form A/O system, waste water first enters Aerobic Pond 5 after anoxic pond 4, finally enter after settling tank 6 precipitates and enter next link MBR membrane bioreactor 7, the effluent part wherein in the partial sludge of settling tank 6 and Aerobic Pond 5 is back to anoxic pond 4 again.
1, coagulation oil removal and air supporting breakdown of emulsion (physico-chemical pretreatment stage)
Waste water introduces Demulsification and coagulant air supporting deslagging device 1, and this device is prior art, and add the oil in water emulsion in emulsion splitter iron trichloride removal waste water, emulsion splitter add-on is 1-2g/L waste water.
And then adding coagulating agent PAC and flocculation agent PAM, PAC add-on is 0.8-1.5g/L waste water, the add-on of PAM is 10 ~ 50mg/L.To de-steady, the cohesion of the charge neutrality of the colloidal particle in sewage, wetting ability pollutent, the flocculation of hydrophobic organic compound and small suspended substance, above-mentioned microcosmic particle is formed macroscopic alumen ustum, then floated by gravity settling or molten gas and realize mud-water separation, to remove COD in water, BOD, SS, colourity, heavy metal element etc.
The water and waste water out that enter Demulsification and coagulant air supporting deslagging device are detected, obtains the data of table 2
Table 2
As can be seen from Table 2, coagulation demulsification, air supporting are 19 ~ 27% to the clearance of COD, removal effect is more stable, average removal rate is 22.4%, to the clearance of SS be 95.4 ~ 96.3%, average removal rate is 95.9%, to the clearance of vegetable and animals oils be 91.1 ~ 94.2%, average removal rate is 93.0%, after coagulation demulsification, air supporting, turbidity of wastewater is obviously improved.Colourity is less than 70, SS and vegetable and animals oils reaches emission standard substantially.
The principal pollutant limit value that table 3 lists " sewage enters municipal sewage system water quality standard " (CJ343-2010).
Principal pollutant limit value in table 3CJ343-2010 standard
2, SHARON short-cut nitrification-denitrification
SHARON reactor is entered from Demulsification and coagulant air supporting slagging-off unit waste water out, as shown in Figure 2, SHARON reactor comprises reaction vessel body 2-1, aerator 2-2 is provided with in the bottom of reaction vessel body 2-1, described aerator 2-2 is connected with compressed air source by tracheae, described tracheae is provided with air robot under meter 2-8, the bottom of described reaction vessel body 2-1 is still provided with mud exhauster 2-3, described reaction vessel body 2-1 is provided with water inlet pipe 2-4, described water inlet pipe 2-4 is provided with feed water flow gauge 2-5, agitator 2-6 and temperature sensor 2-7 is provided with in described reaction vessel body 2-1.
Waste water after physico-chemical pretreatment enters reaction vessel body 2-1, (ammonia nitrogen waste water temperature itself is very high for temperature 30 ~ 35 DEG C, control to be easy to realize at 30-35 DEG C), pH value controls at 7-8.5, Dissolved Oxygen concentration Control is in 1.0 ~ 1.5mg/L scope, and keeping mode adopts intermittent aeration.The regulation and control of matrix free ammonia concentration are within the scope of 5 ~ 10mg/L, and mud is 0.02 ~ 1.67kg/ (kg.d) in (with VSS) ammonia load, and mud age was at 1 ~ 2.5 day.A large amount of experiments shows, being 30-40h, being washed away by Nitromonas slower for growth velocity, Nitrosomas is accumulated in a large number, making short distance nitration successful operation by controlling hydraulic detention time.After treatment, the front and back change of its water quality is as table 4
Table 4
As can be seen from Table 4, through SHARON short-cut nitrification-denitrification, the clearance of COD can reach 44.8%, and the clearance of ammonia nitrogen can reach 49.9%, and the clearance of total nitrogen can reach 54.1%, BOD and can reach 60%.
SHARON short-cut nitrification-denitrification technique has little significance for most of public works, can not Successful utilization, because large water gaging heats up, is incubated and is difficult to realize at 30-40 DEG C.And waste water of the present utility model is compared with trade effluent, belong to the process of high ammonia-nitrogen wastewater biological denitrificaion, and wastewater flow rate is less comparatively speaking, wastewater temperature is easy to control at 30-35 DEG C.SHARON reactor is made successfully to be applied in the treatment process of kitchen garbage, waste-water.
3, acidication
Hydrolysis acidification pool is entered from SHARON reactor waste water out, in this step, the insoluble organism (comprising polymkeric substance) of some complexity is converted into simple deliquescent monomer or dimer compound in Hydrolysis Acidification, as starch is hydrolyzed to glucose in water body, protein is hydrolyzed to dipeptides or amino acid etc.After hydrolysis reaction occurs, the polarity of organic molecule and solubleness etc. all can change, and have good promoter action to follow-up biochemical treatment, and Hydrolysis Acidification also has certain clearance to COD simultaneously.
This experiment acidication total hrt is 30h, continuous flow, carries out under the condition of micro-oxygen.After this step process, the front and back change of its water quality is as table 5
Table 5
As can be seen from Table 5, through acidication, the clearance of COD can reach 47.6%, and the clearance of ammonia nitrogen can reach 9.4%, BOD and can reach 46%.
4, A/O system is entered from hydrolysis acidification pool waste water out, described A/O system comprises anoxic pond 4, Aerobic Pond 5, waste water first enters Aerobic Pond 5 after anoxic pond 4, finally enter after settling tank 6 precipitates and enter next link, the effluent part wherein in the partial sludge of settling tank 6 and Aerobic Pond 5 is back to anoxic pond 4 again.
Waste water enters anoxic pond 4, Aerobic Pond 5 and settling tank 6 successively, simultaneously by the sludge reflux of the mixed solution of Aerobic Pond 5 and settling tank 6 to anoxic pond 4, organism in raw waste water can be utilized when realizing anti-nitration reaction directly as organic carbon source, becoming nitrogen by what return from aerobic reactor containing the nitrate denitrification in the mixed solution of nitrate.The basicity produced due to anti-nitration reaction in denitrification reactor (anoxic pond) can enter aerobic nitrification reactor (Aerobic Pond) with water outlet, about compensating the half of required consumption basicity in nitration reaction process.Aerobic nitrator is arranged on the rear end of flow process, and the residual organism of denitrification process also can be made to be able to further removal.After this system, its change of water quality is as table 6
Table 6
5, enter MBR membrane bioreactor from A/O system waste water out
The Novel state Waste Water Treatment that film-bioreactor (MembraneBio-Reactor is called for short MBR) organically combines for membrane separation technique and biologic treating technique.Replace traditional biological treatment technology end second pond with membrane module, in bio-reactor, keep high reactivity sludge concentration, improve biological treatment organic loading, reduce sewage treatment facility floor space, and by keeping low sludge loading to reduce surplus sludge volume.In membrane bioreactor system, can be promoted to 8000 ~ 12,000mg/L even higher for active sludge (MLSS) concentration; Sludge age (SRT) can extend to more than 30 days.
Membrane bioreactor because of its effective crown_interception, can retain the halophilic bacterium that easily runs off and the generation cycle longer microorganism as nitrifier, guarantee effect is played to the activity of biochemical system.
Membrane structure is mainly flat sheet membrane, hollow-fibre membrane and tubular membrane etc., external placed type (separated type) and integral type (namely built-in) is divided into again according to technique, membrane module and biochemical reactor are provided separately by the former, and membrane module is placed in bio-reactor by the latter.What this experiment adopted is external membrane assembly.This is prior art, does not repeat at this.
After film-bioreactor process, its water quality situation is as table 7
Table 7
As can be seen from the table, finally can qualified discharge after film-bioreactor process.
The whole biochemical treatment stage is detected for a long time, obtains table 8
Table 8
As can be seen from Table 8, the waste water after materialization is again after biochemical test process, and water outlet COD average out to 615mg/L, average removal rate reaches 93.7%, water outlet NH
3-N average out to 25mg/L, average removal rate reaches 97.8%, water outlet TN average out to 60mg/L, average removal rate reaches 97.3%, water outlet can steady running, reach processing target, illustrate and adopt the process of SHARON short distance nitration+acidication+A/0 device+MBR membrane bioreactor biochemical processing process to meal kitchen diafiltration waste water to be effective.
The utility model is not limited to above-described embodiment, should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (5)
1. a kitchen garbage, waste-water treatment system, it is characterized in that: comprise the Demulsification and coagulant air supporting deslagging device, SHARON reactor, hydrolysis acidification pool, anoxic pond, Aerobic Pond, settling tank and the MBR membrane bioreactor that are communicated with successively, wherein the effluent part in Aerobic Pond and the partial sludge in settling tank are back to anoxic pond.
2. kitchen garbage, waste-water treatment system according to claim 1, is characterized in that:
Described SHARON reactor comprises reaction vessel body, aerator is provided with in the bottom of reaction vessel body, described aerator is connected with compressed air source by tracheae, the bottom of described reaction vessel body is still provided with mud exhauster, described reaction vessel body is provided with water inlet pipe, is provided with agitator in described reaction vessel body.
3. kitchen garbage, waste-water treatment system according to claim 2, is characterized in that: described tracheae is provided with air robot under meter.
4. kitchen garbage, waste-water treatment system according to Claims 2 or 3, is characterized in that: described water inlet pipe is provided with feed water flow gauge.
5. kitchen garbage, waste-water treatment system according to claim 4, is characterized in that: be provided with temperature sensor in described reaction vessel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582576.3U CN204874205U (en) | 2015-08-05 | 2015-08-05 | Kitchen garbage effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582576.3U CN204874205U (en) | 2015-08-05 | 2015-08-05 | Kitchen garbage effluent disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204874205U true CN204874205U (en) | 2015-12-16 |
Family
ID=54818602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520582576.3U Active CN204874205U (en) | 2015-08-05 | 2015-08-05 | Kitchen garbage effluent disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204874205U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541045A (en) * | 2016-01-29 | 2016-05-04 | 广西贵港市宏利生物能源科技有限公司 | Treatment method and device of waste vegetable juice and waste fruit juice |
| CN108178454A (en) * | 2018-01-22 | 2018-06-19 | 重庆市环卫集团有限公司 | A kind of non-membrane treating method of kitchen garbage, waste-water |
| CN108191159A (en) * | 2018-01-22 | 2018-06-22 | 重庆市环卫集团有限公司 | A kind of non-embrane method processing system of kitchen garbage, waste-water |
| CN108726812A (en) * | 2018-07-24 | 2018-11-02 | 湖南汉臻环境科技有限公司 | A kind of Intelligent sewage processing system and its processing method |
| CN109052827A (en) * | 2018-08-21 | 2018-12-21 | 重庆中标环保集团有限公司 | Food waste percolate enhanced processing method and system |
| CN111762961A (en) * | 2020-06-19 | 2020-10-13 | 苏州市双利环保工程有限公司 | Kitchen wastewater treatment method |
| CN115818845A (en) * | 2023-02-24 | 2023-03-21 | 苏州苏科环保科技有限公司 | Garbage transfer station sewage treatment system and process |
-
2015
- 2015-08-05 CN CN201520582576.3U patent/CN204874205U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541045A (en) * | 2016-01-29 | 2016-05-04 | 广西贵港市宏利生物能源科技有限公司 | Treatment method and device of waste vegetable juice and waste fruit juice |
| CN108178454A (en) * | 2018-01-22 | 2018-06-19 | 重庆市环卫集团有限公司 | A kind of non-membrane treating method of kitchen garbage, waste-water |
| CN108191159A (en) * | 2018-01-22 | 2018-06-22 | 重庆市环卫集团有限公司 | A kind of non-embrane method processing system of kitchen garbage, waste-water |
| CN108191159B (en) * | 2018-01-22 | 2021-01-12 | 重庆市环卫集团有限公司 | Kitchen garbage waste water non-membrane method processing system |
| CN108178454B (en) * | 2018-01-22 | 2021-01-15 | 重庆市环卫集团有限公司 | Non-membrane treatment method for kitchen waste wastewater |
| CN108726812A (en) * | 2018-07-24 | 2018-11-02 | 湖南汉臻环境科技有限公司 | A kind of Intelligent sewage processing system and its processing method |
| CN109052827A (en) * | 2018-08-21 | 2018-12-21 | 重庆中标环保集团有限公司 | Food waste percolate enhanced processing method and system |
| CN111762961A (en) * | 2020-06-19 | 2020-10-13 | 苏州市双利环保工程有限公司 | Kitchen wastewater treatment method |
| CN115818845A (en) * | 2023-02-24 | 2023-03-21 | 苏州苏科环保科技有限公司 | Garbage transfer station sewage treatment system and process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204874205U (en) | Kitchen garbage effluent disposal system | |
| CN105084653A (en) | Kitchen garbage and wastewater treatment method | |
| Deng et al. | Anaerobic digestion and post-treatment of swine wastewater using IC–SBR process with bypass of raw wastewater | |
| CN106430562B (en) | A kind of processing method of poultry discharged wastewater met the national standard | |
| CN104098227B (en) | A kind of method utilizing short-cut nitrification and denitrification process meal kitchen waste water fermentation | |
| CN105036489B (en) | Livestock/poultry culture wastewater deep denitrification and dephosphorization standard treatment device and process | |
| CN101880111A (en) | Real-time control device and method for deep denitrification and dephosphorization of A2/O-BAF (Biological Aerated Filter) process | |
| CN106115920A (en) | Fermented sludge is utilized to realize municipal sewage part short distance nitration and the method and apparatus of Anammox | |
| CN103922538A (en) | Livestock and poultry breeding wastewater treatment method | |
| CN103086583A (en) | Device and method of enhancing sludge stability and sludge digestion liquid treatment | |
| CN113233592B (en) | Treatment device and method for realizing synchronous deep denitrification and decarbonization of advanced landfill leachate and domestic sewage | |
| CN113461145A (en) | Device and method for deep denitrification and synchronous sludge reduction of secondary effluent of sewage treatment plant | |
| CN114835250A (en) | Process method for supplementing carbon source by SBR (sequencing batch reactor) by using kitchen waste phase change liquid | |
| CN105541008A (en) | An efficient denitrifying and carbon-removing device for culture wastewater anaerobic biogas slurry with a low C/N ratio and a process thereof | |
| CN108383320A (en) | A kind of integrated processing method of livestock breeding wastewater | |
| CN110697905B (en) | Rapid culture of short-range denitrifying bacteria and NO production by using fermented sludge as carbon source2-In a semiconductor device | |
| CN109809630B (en) | Method for removing multiple pollutants in nitrogen fertilizer wastewater with synergistic low consumption | |
| CN110183031B (en) | High-concentration livestock and poultry breeding wastewater and manure residue co-treatment system and treatment method | |
| CN101693583A (en) | Biochemical comprehensive treatment method for 1, 3-propylene glycol fermentation organism waste water | |
| CN106830325A (en) | Using the A of fermented sludge2/ O BCO improved technologies | |
| CN104828945B (en) | A kind of method that low-carbon high-nitrogen starch wastewater is handled based on Modified SBR method | |
| CN217398562U (en) | High-concentration nitrogen-containing wastewater treatment system | |
| Wang et al. | Acidification during aerobic treatment of digested swine wastewater and its effect on pollutant removal | |
| CN108178454A (en) | A kind of non-membrane treating method of kitchen garbage, waste-water | |
| CN201737811U (en) | A2/O-BAF technique deep denitrification and dephosphorization real-time control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |