CN102897942A - Integrated Fenton advanced oxidation system - Google Patents
Integrated Fenton advanced oxidation system Download PDFInfo
- Publication number
- CN102897942A CN102897942A CN2012102116569A CN201210211656A CN102897942A CN 102897942 A CN102897942 A CN 102897942A CN 2012102116569 A CN2012102116569 A CN 2012102116569A CN 201210211656 A CN201210211656 A CN 201210211656A CN 102897942 A CN102897942 A CN 102897942A
- Authority
- CN
- China
- Prior art keywords
- processing unit
- treatment unit
- integrated fenton
- oxidation system
- integrated
- 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.)
- Pending
Links
Images
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention provides an integrated Fenton advanced oxidation system. The integrated Fenton advanced oxidation system comprises a pH adjustment treatment unit, a high-efficiency reactor treatment unit connected to the pH adjustment treatment unit, an integrated Fenton treatment unit connected to the high-efficiency reactor treatment unit, a neutralization treatment unit connected to the integrated Fenton treatment unit, an air stripping treatment unit connected to the neutralization treatment unit, a flocculation reaction treatment unit connected to the air stripping treatment unit, a high-efficiency sedimentation treatment unit connected to the flocculation reaction treatment unit, and a discharge tank connected to the high-efficiency sedimentation treatment unit. Through a chemical oxidation method, the integrated Fenton advanced oxidation system can remove refractory organics in waste water treated by the traditional technology so that product water satisfies the latest national discharge standards.
Description
Technical field
The present invention relates to the processing of various waste water, be specifically related to various waste water advanced oxidization treatment systems.
Background technology
Along with the continuous attention of China to process water and blowdown, in order to practice the Scientific Outlook on Development, implement energy-saving and emission-reduction, the developing industry recycling economy, promoting enterprise is sustainable development rapidly and healthily.Along with country improves constantly the requirement of environment protection, domestic various wastewater discharge standards all will continue to promote at present, and the advanced treatment work of waste water is brought into play larger wider effect in the sewage disposal at home.The tradition sewage treatment technology process, after waste water processed through materialization, anaerobism, aerobic etc., water outlet has been difficult to reach national new standard, because water outlet BOD almost all is degraded, the biodegradability extreme difference, therefore conventional process flow is very large with the intractability that waste water carries out the degree of depth more, and economic serviceability is poor.Therefore, process the focus that used water difficult to degradate becomes research with high-level oxidation technology in recent years.
The Fenton oxidation technology is a kind of of high-level oxidation technology, and essence is to use Fe
2+And H
2O
2The Fenton reagent that forms, the OH with strong oxidizing property that produces by reaction comes organism or the reducing inorganic pollutent in the oxidative degradation waste water.Because traditional Fenton technology reaction zone lattice is less, unreasonable structure causes H
2O
2And FeSO
4Undercompounding, chemical feeding quantity is large, and it is more to produce iron mud, has not only wasted raw material but also additionally increase the processing costs of iron mud.To this, in the prior art Fenton oxidation technology also having been carried out many improvement, is the method that just relates to a kind of advanced person's degrading nitrobenzene waste water by polyphase electrocatalytic oxidation-Fenton coupling process in the patent of invention " method of degrading nitrobenzene waste water by polyphase electrocatalytic oxidation-Fenton coupling process and reactor thereof " of CN201010181115.7 such as the patent No..This invention belongs to the technical field that high concentrated organic wastewater is processed, and is specifically related to a kind of processing method of polyphase electrocatalytic oxidation degrading nitrobenzene class waste water, and the method cost that has solved existing nitrobenzene wastewater is high, the problem of length consuming time.And low for the efficient of electrolytic process in the existing high-concentration nitrobenzene-containing wastewater treatment process, energy consumption is high and the oxygenant usage quantity of Fenton method large, the high in cost of production problem, the main catalysed oxidn that adopts transition-metal catalyst under the electric field action, and in conjunction with the Fenton method, the efficient degradation high-concentration nitrobenzene-containing wastewater.Flow process is simple, and is easy to operate, and with respect to Based on Three-dimensional Electrode Method and electricity-Fenton method, the COD degradation rate is brought up to more than 95% by about 42% and about 64% respectively, has greatly reduced processing cost.Technique of the present invention not only can be used the processing of the various trade effluents of nitrobenzene-containing, also can be applicable to process various organic waste waters as containing phenolic wastewater, phenolic waste water, rosin waste water etc.But can find that according to its accompanying drawing such technique and equipment are only applicable to the small-scale production in laboratory, can't put in the industrialization and go.And look for again similar technology, also all be that the prescription that adopts in the technique is improved generally, and processing environment do not improved.So just cause large-scale F enton oxidation furnaces floor space large, maintenance cost is high, the bad situation that is difficult to popularize.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of integrated Fenton advanced oxidation system, hardly degraded organic substance after the processing of waste water process traditional technology is removed by the method for chemical oxidation, guaranteeing that effluent quality reaches under the prerequisite of up-to-date discharging standards, dwindle the occupation of land space of whole equipment, also reduced the use cost of whole equipment.
For solving the problems of the technologies described above, the present invention adopts following scheme: a kind of integrated Fenton oxidation system, comprise that pH adjusts processing unit, pH adjusts processing unit and connects the high efficiency reactor processing unit, the high efficiency reactor unit connects the integrated Fenton reaction treatment unit that combines, the neutralizing treatment unit, stripping processing unit and flocculation reaction processing unit, integrated Fenton reaction treatment unit, the neutralizing treatment unit, connect stripping processing unit and flocculation reaction processing unit and share same cell body, the flocculation reaction processing unit connects High-rate sedimentation processing unit and discharging pond.
As preferably, described highly effective reaction processing unit is provided with high efficiency reactor, and high efficiency reactor connects H
2O
2Chemicals dosing plant and FeSO
47H
2The O chemicals dosing plant is with H
2O
2And FeSO
47H
2Import to again after O fully mixes in the integrated Fenton reaction treatment unit, improved H
2O
2And FeSO
4Utilization ratio namely reduced both dosage, when saving operation cost, reduced the generation of iron mud.
As preferably, described integrated Fenton reaction treatment unit comprises that reactive tank, reactive tank front end are provided with a fast mixed agitator, reactive tank middle part and rear end are provided with a plurality of slowly mixed agitators, also be provided with the efficient backflow device on the described reactive tank, integrated Fenton reaction treatment unit connects pH by the efficient backflow device and adjusts processing unit.By such structure, raw material enters low rate mixing reaction zone sufficient reacting after mixing by rapid stirring first.Not only save the energy and raise the efficiency, also reduced the loss in the production process simultaneously.
As preferably, described neutralizing treatment unit is provided with for neutralising arrangement and the NaOH chemicals dosing plant of adjusting the pH value, described neutralising arrangement is the middle neutralization reaction groove that is provided with dividing plate, the NaOH chemicals dosing plant is comprised of medicament storage tank and dosing pump, also be provided with controller on the dosing pump, by adding NaOH and stirring wastewater pH be adjusted to neutrality.The NaOH chemicals dosing plant can be controlled chemical feeding quantity automatically by the parameter of actual pH, time, accomplishes unmanned.
As preferably, described stripping processing unit is provided with stripping device, and stripping device is comprised of blower fan and the perforated pipe that is arranged on stripping processing unit bottom, and the stripping direction upwards.Increased stripping device, the partial oxidation that reaction is produced blows out, and has avoided the precipitation of afterwards generation of flocculation and the problem that the bubble incorporation come-up is discharged with water outlet, and can will not participate in the Fe of reaction
2+Be oxidized to Fe
3+, reduce follow-up medicine dosage.
As preferably, described flocculation reaction processing unit is provided with whipping appts and PAM chemicals dosing plant.By this sampling device flocculation is processed again, guaranteed the quality that purifies.
As preferably, be provided with Scraping device in the described High-rate sedimentation processing unit, constant-current stabilizer and mud discharging device, Scraping device is comprised of cleaning shoe and frame, described cleaning shoe is adjacent to the bottom of High-rate sedimentation processing unit, constant-current stabilizer is comprised of center current stabilization bucket and horizontal baffle plate, and mud discharging device is comprised of mud collection tube and sludge pump.The continuous operation of Scraping device can focus on mud the mud collection tube, is convenient to mud and concentrates discharge.Constant-current stabilizer is used for eliminating the disturbance to High-rate sedimentation processing unit mud, improves sedimentation effect.
As preferably, described mud discharging device is provided with timer, and set timer was opened once in 2 hours.So also be in order to accomplish unmanned management.
Beneficial effect:
The present invention adopts technique scheme that a kind of various waste water chemical oxidation system is provided, running by unit in the system, reduced as far as possible construction land, and effluent quality reaches the standard after discharging standards improves, realize unmanned management, saved investment construction cost and operation energy consumption.
Figure of description
Fig. 1 is structural representation of the present invention;
Fig. 2 is use process flow sheet of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of integrated Fenton oxidation system of the present invention, comprise that pH adjusts processing unit 1, pH adjusts processing unit 1 and connects high efficiency reactor processing unit 2, high efficiency reactor unit 2 connects integrated Fenton reaction treatment unit 3, neutralizing treatment unit 4, stripping processing unit 5 and the flocculation reaction processing unit 6 that combines, and flocculation reaction processing unit 6 connects High-rate sedimentation processing unit 7 and discharging pond 8.Such structure can maximize to save takes up an area construction area, and has reduced construction cost.
Described highly effective reaction processing unit 2 is provided with high efficiency reactor 21, the H that is connected with high efficiency reactor 21
2O
2 Chemicals dosing plant 22 and FeSO
47H
2O chemicals dosing plant 23 is with H
2O
2And FeSO
47H
2After fully mixing, O imports to again in the integrated Fenton reaction treatment unit 3.Described integrated Fenton reaction treatment unit 3 comprises reactive tank 31, reactive tank 31 front ends are provided with a fast mixed agitator 32, reactive tank 31 middle parts and rear end are provided with a plurality of slowly mixed agitators 33, also be provided with efficient backflow device 34 on the described reactive tank 31, integrated Fenton reaction treatment unit 3 connects pH by efficient backflow device 34 and adjusts processing unit 1.Described neutralizing treatment unit 4 is provided with for neutralising arrangement 41 and the NaOH chemicals dosing plant 42 of adjusting the pH value, described neutralising arrangement 41 is the middle neutralization reaction groove that is provided with dividing plate, NaOH chemicals dosing plant 42 is comprised of medicament storage tank and dosing pump, also be provided with controller on the dosing pump, by adding NaOH and stirring wastewater pH be adjusted to neutrality.Described stripping processing unit 5 is provided with stripping device 51, and stripping device 51 is comprised of blower fan and the perforated pipe that is arranged on stripping processing unit 5 bottoms, and the stripping direction upwards.Described flocculation reaction processing unit 6 is provided with whipping appts 61 and PAM chemicals dosing plant 62.Be provided with Scraping device 71 in the described High-rate sedimentation processing unit 7, constant-current stabilizer 72 and mud discharging device 73, Scraping device 71 is comprised of cleaning shoe and frame, described cleaning shoe is adjacent to the bottom of High-rate sedimentation processing unit 7, constant-current stabilizer 72 is comprised of center current stabilization bucket and horizontal baffle plate, and mud discharging device 73 is comprised of mud collection tube and sludge pump.Described mud discharging device 73 is provided with timer, and set timer was opened once in 2 hours.
In the actual use procedure, waste water is introduced into pH by water-in 11 and adjusts pH adjustment tank in the processing unit 1, adopts dosing to adjust pH and processes, and makes into water pH to reach integrated Fenton advanced oxidation optimum reaction condition; The water outlet of adjust processing through pH is adopted and is added senior chemical reaction medicine again through highly effective reaction processing unit 2, and medicine is fully mixed with waste water; 2 enter integrated Fenton reaction treatment unit 3 after highly effective reaction is processed, and remove the Persistent organic pollutants in the waste water, and reduce colourity and turbidity; Integrated Fenton water outlet enters neutralizing treatment unit 4, and employing adds medicine pH is adjusted in the neutral range.The neutralisation unit water outlet enters stripping processing unit 5, carries out stripping by stripping device 51, and part divalent Fe is oxidized to 3 valency Fe, reduces the medicine dosage of follow-up unit.5 water outlets of stripping processing unit enter flocculation reaction processing unit 6, by adding flocculation agent SS in the waste water are flocculated into larger particles, are easy to sedimentation.6 water outlets of flocculation reaction processing unit enter High-rate sedimentation processing unit 7, and waste water is removed in this element sedimentation and by Scraping device and mud discharging device through the SS that the various reactions such as advanced oxidation produce, and guarantees that effluent quality reaches emission standard.After waste water is processed through system, High-rate sedimentation effluent quality COD≤50mg/l, SS≤10mg/l, BOD≤10mg/l, colourity≤30PCU.Reach the standard after discharging standards improves fully.
After adopting the present invention, it is tested, test situation is as follows:
Experimental scale: water production rate 1.0m
3/ h, 24h moves continuously, i.e. every water yield per day 24.0m
3/ d.
Test-results: test water inlet and effluent quality such as following table.
Such water treatment effect is considerably beyond the requirement of national standard.
The advantages such as the present invention is little by its occupation of land, and production cost is low are conducive to encourage enterprise to use, and can extensively promote, and have great practicality.
The above only is specific embodiments of the invention, but constitutional features of the present invention is not limited to this, and any those skilled in the art is in the field of the invention, and the variation of doing or modification all are encompassed among the claim of the present invention.
Claims (8)
1. integrated Fenton oxidation system, comprise that pH adjusts processing unit (1), pH adjusts processing unit (1) and connects high efficiency reactor processing unit (2), it is characterized in that: high efficiency reactor unit (2) connect integrated Fenton reaction treatment unit (3), neutralizing treatment unit (4), stripping processing unit (5) and the flocculation reaction processing unit (6) that combines, and flocculation reaction processing unit (6) connects High-rate sedimentation processing unit (7) and discharging pond (8).
2. integrated Fenton oxidation system according to claim 1, it is characterized in that: described highly effective reaction processing unit (2) is provided with high efficiency reactor (21), the H that is connected with high efficiency reactor (21)
2O
2Chemicals dosing plant (22) and FeSO
47H
2O chemicals dosing plant (23) is with H
2O
2And FeSO
47H
2After fully mixing, O imports to again in the integrated Fenton reaction treatment unit (3).
3. integrated Fenton oxidation system according to claim 1, it is characterized in that: described integrated Fenton reaction treatment unit (3) comprises reactive tank (31), reactive tank (31) front end is provided with a fast mixed agitator (32), reactive tank (31) middle part and rear end are provided with a plurality of slowly mixed agitators (33), also be provided with efficient backflow device (34) on the described reactive tank (31), integrated Fenton reaction treatment unit (3) connects pH by efficient backflow device (34) and adjusts processing unit (1).
4. integrated Fenton oxidation system according to claim 1, it is characterized in that: described neutralizing treatment unit (4) is provided with for neutralising arrangement (41) and the NaOH chemicals dosing plant (42) of adjusting the pH value, described neutralising arrangement (41) is the middle neutralization reaction groove that is provided with dividing plate, NaOH chemicals dosing plant (42) is comprised of medicament storage tank and dosing pump, also be provided with controller on the dosing pump, by adding NaOH and stirring wastewater pH be adjusted to neutrality.
5. integrated Fenton oxidation system according to claim 1, it is characterized in that: described stripping processing unit (5) is provided with stripping device (51), stripping device (51) is comprised of blower fan and the perforated pipe that is arranged on stripping processing unit (5) bottom, and the stripping direction upwards.
6. integrated Fenton oxidation system according to claim 1, it is characterized in that: described flocculation reaction processing unit (6) is provided with whipping appts (61) and PAM chemicals dosing plant (62).
7. integrated Fenton oxidation system according to claim 1, it is characterized in that: be provided with Scraping device (71) in the described High-rate sedimentation processing unit (7), constant-current stabilizer (72) and mud discharging device (73), Scraping device (71) is comprised of cleaning shoe and frame, described cleaning shoe is adjacent to the bottom of High-rate sedimentation processing unit (7), constant-current stabilizer (72) is comprised of center current stabilization bucket and horizontal baffle plate, and mud discharging device (73) is comprised of mud collection tube and sludge pump.
8. integrated Fenton oxidation system according to claim 7, it is characterized in that: described mud discharging device (73) is provided with timer, and set timer was opened once in 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102116569A CN102897942A (en) | 2012-06-21 | 2012-06-21 | Integrated Fenton advanced oxidation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102116569A CN102897942A (en) | 2012-06-21 | 2012-06-21 | Integrated Fenton advanced oxidation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102897942A true CN102897942A (en) | 2013-01-30 |
Family
ID=47570478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102116569A Pending CN102897942A (en) | 2012-06-21 | 2012-06-21 | Integrated Fenton advanced oxidation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102897942A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103755096A (en) * | 2014-01-17 | 2014-04-30 | 上海交通大学 | Coupled Fenton oxidation and anaerobic digestion reactor for treating surplus sludge |
| CN103755097A (en) * | 2014-01-17 | 2014-04-30 | 上海交通大学 | Advanced oxidation-biological treatment device for non-biodegradable waste water |
| CN104628202A (en) * | 2015-03-02 | 2015-05-20 | 沈阳工业大学 | Natural freezing-Fenton oxidation-coagulation combined method for treating TNT red water |
| CN104671579A (en) * | 2013-11-27 | 2015-06-03 | 山东方明药业集团股份有限公司 | Deep treatment method of antibiotic wastewater |
| CN106927602A (en) * | 2017-05-09 | 2017-07-07 | 周晓川 | A kind of waste oxidation basin and wastewater oxidation method |
| CN108017223A (en) * | 2016-11-03 | 2018-05-11 | 浙江水美环保工程有限公司 | A kind of steroid pharmacy wastewater treatment method |
| CN110655275A (en) * | 2019-09-30 | 2020-01-07 | 南通百川新材料有限公司 | Treatment system and treatment method for high-COD phenol-containing sewage |
| CN113233648A (en) * | 2021-05-18 | 2021-08-10 | 重庆宏大化工科技有限公司 | Sewage treatment tank for hydrogen peroxide production and using method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0352692A (en) * | 1989-07-19 | 1991-03-06 | Ebara Infilco Co Ltd | Fenton's treatment of waste water |
| WO2004110940A1 (en) * | 2003-06-11 | 2004-12-23 | Hiroaki Hasegawa | Wastewater treatment process |
| CN101519251A (en) * | 2009-04-09 | 2009-09-02 | 广西大学 | Process for treating bio-refractory waste water by up-flow multi-phase oxidation column |
| CN201358182Y (en) * | 2009-01-15 | 2009-12-09 | 杭州生源医疗保健技术开发有限公司 | Device for carrying out water treatment to field-generated Fenton reagents |
| CN102206011A (en) * | 2010-03-31 | 2011-10-05 | 中国石油天然气股份有限公司 | Coagulation-oxidation combined type method for processing sewage |
| CN202246301U (en) * | 2011-09-20 | 2012-05-30 | 湖南大地美环境科技股份有限公司 | Novel integral equipment for treating organic waste water by Fenton method |
| CN202594897U (en) * | 2012-06-21 | 2012-12-12 | 浙江水美环保工程有限公司 | Integrated Fenton oxidation system |
-
2012
- 2012-06-21 CN CN2012102116569A patent/CN102897942A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0352692A (en) * | 1989-07-19 | 1991-03-06 | Ebara Infilco Co Ltd | Fenton's treatment of waste water |
| WO2004110940A1 (en) * | 2003-06-11 | 2004-12-23 | Hiroaki Hasegawa | Wastewater treatment process |
| CN201358182Y (en) * | 2009-01-15 | 2009-12-09 | 杭州生源医疗保健技术开发有限公司 | Device for carrying out water treatment to field-generated Fenton reagents |
| CN101519251A (en) * | 2009-04-09 | 2009-09-02 | 广西大学 | Process for treating bio-refractory waste water by up-flow multi-phase oxidation column |
| CN102206011A (en) * | 2010-03-31 | 2011-10-05 | 中国石油天然气股份有限公司 | Coagulation-oxidation combined type method for processing sewage |
| CN202246301U (en) * | 2011-09-20 | 2012-05-30 | 湖南大地美环境科技股份有限公司 | Novel integral equipment for treating organic waste water by Fenton method |
| CN202594897U (en) * | 2012-06-21 | 2012-12-12 | 浙江水美环保工程有限公司 | Integrated Fenton oxidation system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671579A (en) * | 2013-11-27 | 2015-06-03 | 山东方明药业集团股份有限公司 | Deep treatment method of antibiotic wastewater |
| CN103755096A (en) * | 2014-01-17 | 2014-04-30 | 上海交通大学 | Coupled Fenton oxidation and anaerobic digestion reactor for treating surplus sludge |
| CN103755097A (en) * | 2014-01-17 | 2014-04-30 | 上海交通大学 | Advanced oxidation-biological treatment device for non-biodegradable waste water |
| CN103755096B (en) * | 2014-01-17 | 2015-03-04 | 上海交通大学 | Coupled Fenton oxidation and anaerobic digestion reactor for treating surplus sludge |
| CN103755097B (en) * | 2014-01-17 | 2015-05-20 | 上海交通大学 | Advanced oxidation-biological treatment device for non-biodegradable waste water |
| CN104628202A (en) * | 2015-03-02 | 2015-05-20 | 沈阳工业大学 | Natural freezing-Fenton oxidation-coagulation combined method for treating TNT red water |
| CN108017223A (en) * | 2016-11-03 | 2018-05-11 | 浙江水美环保工程有限公司 | A kind of steroid pharmacy wastewater treatment method |
| CN106927602A (en) * | 2017-05-09 | 2017-07-07 | 周晓川 | A kind of waste oxidation basin and wastewater oxidation method |
| CN110655275A (en) * | 2019-09-30 | 2020-01-07 | 南通百川新材料有限公司 | Treatment system and treatment method for high-COD phenol-containing sewage |
| CN113233648A (en) * | 2021-05-18 | 2021-08-10 | 重庆宏大化工科技有限公司 | Sewage treatment tank for hydrogen peroxide production and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102897942A (en) | Integrated Fenton advanced oxidation system | |
| CN106904795B (en) | Cow breeding wastewater treatment process | |
| CN101269901B (en) | Comprehensive approach for processing and cyclic utilization of sewage water | |
| CN102557359B (en) | Device for treating wastewater during production of pentaerythritol | |
| CN101967029B (en) | Method for treating ammonia nitrogen in garbage percolate by combining biological and chemical processes | |
| CN103011525A (en) | Anaerobic biochemical sewage treatment system and method | |
| CN213388228U (en) | Integrated device of solar photovoltaic power generation combined membrane bioreactor | |
| CN114084998A (en) | Rubbish transfer station waste water and domestic sewage cooperative processing system | |
| CN107055889A (en) | A kind of marine culture wastewater efficient electrolysis denitrification dephosphorization apparatus and method | |
| CN102249501A (en) | Device and method for treating wastewater produced by hair-product manufacturing | |
| CN202594897U (en) | Integrated Fenton oxidation system | |
| CN206580712U (en) | A kind of device for being used to handle livestock breeding wastewater | |
| CN102417272A (en) | Coking waste water treatment method and A / O technology apparatus | |
| CN114685014A (en) | Livestock and poultry breeding wastewater treatment circulating system | |
| CN203095792U (en) | Anaerobic biochemical sewage treatment system | |
| CN206927735U (en) | A kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus | |
| CN106007171A (en) | Integrated sludge reduction recycling and N2O emission reduction sewage treatment device and method for operating same | |
| CN206051804U (en) | Chemical wastewater treatment system | |
| CN102976482B (en) | Polymembrane bioreactor by in situ electrocoagulation and method for treating wastewater | |
| CN217103411U (en) | Mobile photoelectric complementary sewage deep purification system | |
| CN108996810B (en) | High-concentration degradation-resistant organic wastewater zero discharge system and treatment method | |
| CN107840528B (en) | Method for treating and recycling manure of large-scale pig farm | |
| CN203007021U (en) | In-situ electro-coagulated membrane bioreactor | |
| CN217103412U (en) | Movable integrated sewage treatment system | |
| CN210193608U (en) | Livestock and poultry breeding biogas slurry treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130130 |