CN1331780C - Integrative bioreactor for treating refuse leachate - Google Patents
Integrative bioreactor for treating refuse leachate Download PDFInfo
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- CN1331780C CN1331780C CNB2004100888067A CN200410088806A CN1331780C CN 1331780 C CN1331780 C CN 1331780C CN B2004100888067 A CNB2004100888067 A CN B2004100888067A CN 200410088806 A CN200410088806 A CN 200410088806A CN 1331780 C CN1331780 C CN 1331780C
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Abstract
The invention relates to an integral bioreactor for treating garbage leachate, which belongs to the environmental protection technology. The present invention is composed of two biological reaction zones and a regulating zone, wherein biological stuffing is filled in each biological reaction zone to form an aerobic zone and an anaerobic zone; in the aerobic zone, organic matters are degraded into inorganic carbon by aerobic heterotrophic bacteria, the nitrifying process of ammonia nitrogen is controlled in the nitrosification stage, 50 percent of ammonia nitrogen is oxidized into nitrite, and the effluent water in the aerobic zone is uniformly mixed with a PH regulating agent in the adjustment zone to enter the anaerobic zone; in the anaerobic zone, anaerobic ammonia-oxidizing bacteria reduces nitrite with the ammonia nitrogen as electron donor and oxygenizes the ammonia nitrogen with the nitrite as electron acceptor, the ammonia nitrogen and the nitrite nitrogen are converted to nitrogen gas, parts of organic matters are absorbed or degraded by other anaerobic microorganism. The present invention can remove the ammonia nitrogen and the organic matters under the water quality with low ratio of carbon to nitrogen of the garbage leachate, adjusts impact load of water quality and water quantity of the garbage leachate, and has the advantage of high-efficiency and stable operation.
Description
Technical field
The present invention relates to environmental technology field, relate to integrated bioreactor, particularly a kind of bio-reactor for the treatment of refuse percolate.
Background technology
Percolate is the high-concentration ammonia nitrogenous wastewater that a kind of harm is big, intractability is bigger.It contains multiple pollution substance, main water quality characteristic: the ammonia nitrogen concentration height, and carbon nitrogen (C/N) is out of proportion; BOD
5/ CODcr ratio changes greatly, the time of the water quality and the water yield and region variability.The major technique of handling percolate at present both at home and abroad has biological treatment and materialization to handle, though the materialization treatment technology has treatment effect preferably, the cost costliness, energy consumption is big, easily produce secondary pollution, biologic treating technique is generally adopted owing to have advantage such as economical and convenient.
Traditional biological denitrificaion comprises two steps of biology aerobic nitrification and denitrification, and technical process as shown in Figure 5.After sewage is input into the processing of denitrification pond, entering complete nitrification tank handles, the mixed solution that complete nitrification tank comes out, a part passes back into the secondary treatment of denitrification pond, a part enters the second pond precipitation, and bottom mud is exported by the below, and a part passes back into the secondary treatment of denitrification pond, a part is discharged, and the upper strata qualified water is discharged by the top.
There is following subject matter in this technical finesse percolate:
(1) energy consumption is big, the complete nitrated oxygen consumption 4.57g that needs of 1g ammonia nitrogen.
(2) denitrification process needs enough organic carbon sources could guarantee denitrification percent as electron donor.And, be difficult to denitrification effectively for the percolate of high ammonia nitrogen, low ratio of carbon to ammonium (C/N), and make nitric efficiency lower, and additional carbon not only increase processing cost, also easily cause secondary pollution
(3) technical process complexity, mud reflux and mixed-liquor return increases power charge.
Percolate has the time and the region variability of the water quality and the water yield, and present biological treatment facility and reaction unit can not be regulated the load impact of the water quality and the water yield well, have fluctuation of service, the low main drawback that waits of processing efficiency.
Summary of the invention
The objective of the invention is to, overcome the problem that existing treatment facility faces, nitrosification is combined with the Anammox technology, propose the integrated bioreactor of stable, the efficient treating refuse percolate of a kind of energy.
For achieving the above object, technical solution of the present invention provides a kind of integrated bioreactor for the treatment of refuse percolate, container for sealing, form by aerobe reaction zone, anaerobe reaction zone and regulatory region three parts, subregion filled biomass filler is all arranged in each bio-reaction zone, and under aerobic and anaerobic condition, move respectively, regulatory region is between aerobic zone and anaerobic zone;
Top, central structure in aerobe reaction zone and the anaerobe reaction zone cavity volume are identical, in two district's cavity volumes, each level of top, top is provided with a horizontal support, horizontal support two ends and sidewall are affixed, the middle part respectively is provided with triphase separator, triphase separator is made of central tube and inversed taper platform, central tube is an inverted T shape, upper end cylinder and mid-stent are affixed, the lower end is a hydraucone, central tube hydraucone lower horizontal is provided with inversed taper platform, and edge and cavity volume inwall are affixed around the inversed taper platform, and the triphase separator below respectively is provided with the ball-type filler;
Upper portion side wall in the anaerobe reaction zone cavity volume is provided with rising pipe;
The top of aerobe reaction zone and anaerobe reaction zone all is provided with manhole cover, and wherein side is connected with gas outlet pipe in the heart, another termination gas processing device of two gas outlet pipes;
The bottom upper horizontal is provided with sewage water inlet pipe in the aerobe reaction zone cavity volume, and the sewage water inlet pipe lower horizontal is provided with aeration board, and a plurality of holes are arranged on the aeration board, and edge and cavity volume inwall are affixed around it, and its lower sidewalls is provided with inlet pipe;
The bottom upper horizontal is provided with water distribution board in the anaerobe reaction zone cavity volume, and a plurality of water distributing pores are arranged on the water distribution board, and edge and cavity volume inwall are affixed around it, and its lower horizontal is provided with heating tube, and heating tube passes the back from sidewall and links to each other with heating installation;
There is water outlet the sidewall top that aerobe reaction zone and regulatory region are adjacent, and aerobe reaction zone and regulatory region are communicated with;
There is water-in the sidewall below that anaerobe reaction zone and regulatory region are adjacent, and anaerobe reaction zone and regulatory region are communicated with;
The cavity volume top of regulatory region is provided with chemical feed pipe, and the chemical feed pipe outer end communicates with medicine machine.
Described integrated bioreactor also is provided with socket on the outer side wall of its described aerobe reaction zone, dissolved oxygen monitoring meter electrode is installed on the socket;
On the outer side wall of anaerobe reaction zone, the rising pipe of top communicates with the sewage water inlet pipe of reactor aerobic zone, is provided with reflux pump on rising pipe and pipeline that sewage water inlet pipe is communicated with, and the below is provided with pH and temperature monitoring meter, redox potential monitoring meter;
In the cavity volume of regulatory region, be provided with water-distributing device.
Described integrated bioreactor, its described heating tube is a plurality of, imports a house steward, house steward passes the back from sidewall and links to each other with heating installation.
Described integrated bioreactor, its described water-distributing device is made up of effluent trough and water distributing pipe, and water distributing pipe is divided into distributing main, range pipe again; Water-distributing device has three kinds of structures.
Described integrated bioreactor, three kinds of structures of its described water-distributing device, first kind is middle part in the cavity volume of regulatory region, in the below of aerobe reaction zone water outlet, level is established an effluent trough, and a plurality of holes are arranged on the effluent trough bottom surface, hole cistron device diagonal or radial array, hole below vertically is connected with range pipe, and the length of range pipe extends to the other end gradually according to an end of reactor diagonal lines or diameter;
Second kind is middle part in the cavity volume of regulatory region, and in the below of aerobe reaction zone water outlet, level is established an effluent trough, a plurality of holes are arranged on the effluent trough bottom surface, the hole is arranged in delegation, and the below, hole vertically is connected with distributing main, and the distributing main in the vertical direction equidistantly is horizontally disposed with a plurality of range pipes;
The third is to be combined by several second kind of water-distributing device.
Described integrated bioreactor, the range pipe in its described second kind of water-distributing device, its two ends are upturned.
Described integrated bioreactor, the water-distributing device of its described regulatory region can be selected different structures for use according to different needs; When designed water is big, when reactor volume is big, select first kind or the third water-distributing device for use; Aerobic reactor zone water outlet sidewall is wide during less than 1～1.5 meter, selects second kind of water-distributing device; Water distributing pipe in the water-distributing device can be according to the corresponding increase of actual amount of water.
Described integrated bioreactor, its described reflux pump, constitute return-flow system, the effluent recycling of part anaerobe reaction zone is to reactor water inlet place, be mixed into aerobic reactor zone with percolate, to reduce the load impact of high density pollution thing, quantity of reflux is decided on Pollutant levels in the percolate, when ammonia nitrogen concentration was lower than 1000mg/L in the water inlet, backflow stopped.
Described integrated bioreactor is characterized in that:
In the described aerobe reaction zone, the microorganism of degradation of organic substances and nitrococcus apposition growth are on biologic packing material, organism is degraded to inorganic carbon by aerobic heterotrophic bacterium, and the nitrifying process of control ammonia nitrogen is in the nitrosification stage, and keeps 50%～55% ammonia nitrogen to be oxidized to nitrite;
In the described anaerobe reaction zone, cultivate the anaerobic ammonia oxidizing bacteria apposition growth on filler, anaerobic ammonia oxidizing bacteria is that electron donor reduces nitrite with the ammonia nitrogen, with the nitrite is that electron acceptor(EA) comes the oxidation ammonia nitrogen, ammonia nitrogen and nitrite nitrogen are transformed into nitrogen, and partial organic substances is absorbed by other anaerobion or degrades;
The water-distributing device of regulatory region, adjustable water saving matter makes aerobe reaction zone water outlet thorough mixing in the pre-mixing district of different periods, and the pH value of regulating water simultaneously is to guarantee the stable of water quality and to make the anaerobic reaction district at optimum.
The integrated reactor of the treating refuse percolate among the present invention has the following advantages:
(1) microorganism variation mutually, long microorganism generation time can survive.
(2) nitric efficiency height need not to add organic carbon source.
(3) technical process is simple, need not mud and refluxes, and energy consumption is low, need not to be provided with separately settling tank, moves easy.
(4) stable, the load impact of water-fast matter, the water yield
(5) processing set-up compactness is taken up an area of and is lacked, and initial cost is economized.
(6) reactor closed operation, the gas centralized collection of generation is discharged, and guarantees the environmental health of disposal field.
Description of drawings
The integrated bioreactor structure iron of Fig. 1 a kind for the treatment of refuse percolate of the present invention.
Fig. 2 water-distributing device 23A of the present invention synoptic diagram.
Fig. 3 water-distributing device 23B of the present invention synoptic diagram.
Fig. 4 water-distributing device 23C of the present invention synoptic diagram.
The biological denitrification process schema that Fig. 5 is traditional.
Embodiment
As shown in Figure 1, be the integrated bioreactor structure iron of a kind for the treatment of refuse percolate of the present invention.Integrated bioreactor is the container of sealing, form by two bio-reaction zones and a regulatory region, three zones are interconnected in the sealed whole body container, equal filled biomass filler in each bio-reaction zone, form aerobic zone 1 and anaerobic zone 3, regulatory region 2 is between aerobic zone 1 and anaerobic zone 3.
Top, central structure in aerobe reaction zone 1 and anaerobe reaction zone 3 cavity volumes are identical, but the component parts of aerobe reaction zone 1 is less than the component parts of anaerobe reaction zone 3.In two district's cavity volumes, each level of top, top is provided with a horizontal support 17,17a, horizontal support 17,17a two ends and sidewall are affixed, the middle part respectively is provided with triphase separator, triphase separator is by central tube 16,16a and inversed taper platform 8,8a constitutes, central tube 16,16a is an inverted T shape, upper end cylinder and support 17, the 17a middle part is affixed, the lower end is a hydraucone, bell-mouthed horizontal side angle is 60 °, central tube 16,16a hydraucone lower horizontal is provided with inversed taper platform 8,8a, inversed taper platform 8, edge and cavity volume inwall are affixed around the 8a, inversed taper platform 8,8a bottom surface and side angle are 120 °, and the triphase separator below respectively is provided with ball-type filler 7,7a; Upper portion side wall in anaerobe reaction zone 3 cavity volumes is provided with rising pipe 22.
The top of aerobe reaction zone 1 and anaerobe reaction zone 3 all is provided with manhole cover 10,10a, and wherein side is connected with gas outlet pipe 20 in the heart, another termination gas processing device of gas outlet pipe 20.
Substructure in aerobe reaction zone 1 and anaerobe reaction zone 3 cavity volumes is different.The bottom upper horizontal is provided with sewage water inlet pipe 4 in aerobe reaction zone 1 cavity volume, and sewage water inlet pipe 4 lower horizontal are provided with aeration board 5, and a plurality of holes are arranged on the aeration board 5, and edge and cavity volume inwall are affixed around it, and its lower sidewalls is provided with inlet pipe 21.
The bottom upper horizontal is provided with water distribution board 13 in anaerobe reaction zone 3 cavity volumes, a plurality of water distributing pores are arranged on the water distribution board 13, and edge and cavity volume inwall are affixed around it, and its lower horizontal is provided with a plurality of heating tubes 19, a plurality of heating tubes 19 import a house steward, and house steward passes the back from sidewall and links to each other with heating installation.
There is water outlet 9 aerobe reaction zone 1 and regulatory region 2 adjacent sidewall tops, and aerobe reaction zone 1 and regulatory region 2 are communicated with.
There is water-in 12 anaerobe reaction zone 3 and regulatory region 2 adjacent sidewall belows, and anaerobe reaction zone 3 and regulatory region 2 are communicated with.
Also be provided with socket 6 on the outer side wall of aerobe reaction zone 1, dissolved oxygen monitoring meter (DO) electrode is installed on the socket 6.
On the outer side wall of anaerobe reaction zone 3, the rising pipe 22 of top communicates with the sewage water inlet pipe 4 of reactor aerobic zone 1, be provided with reflux pump 18 on rising pipe 22 and pipeline that sewage water inlet pipe 4 is communicated with, the below is provided with pH and temperature monitoring meter 14, redox potential (ORP) monitoring meter 15.
The cavity volume top of regulatory region 2 is provided with chemical feed pipe 11, and chemical feed pipe 11 outer ends communicate with medicine machine.
In the cavity volume of regulatory region 2, be provided with water-distributing device 23, water-distributing device 23 is made up of effluent trough 231 and water distributing pipe, and water distributing pipe is divided into distributing main 232, range pipe 233 again.Water-distributing device 23 has three kinds of structures: water-distributing device 23A, water-distributing device 23B and water-distributing device 23C.
As shown in Figure 2, be water-distributing device 23A, it is middle part in the cavity volume of regulatory region 2, in the below of aerobe reaction zone 1 water outlet 9, level is established an effluent trough 231, and effluent trough has a plurality of holes on 231 bottom surfaces, hole cistron device diagonal (or radially) is arranged, hole below vertically is connected with range pipe 233, and the length of range pipe 233 extends to the other end gradually according to an end of reactor diagonal lines (or diameter).
As shown in Figure 4, be water-distributing device 23C, it is middle part in the cavity volume of regulatory region 2, in the below of aerobe reaction zone 1 water outlet 9, level is established an effluent trough 231, and effluent trough has a plurality of holes on 231 bottom surfaces, the hole is arranged in delegation, the below, hole vertically is connected with distributing main 232, and distributing main 232 in the vertical directions equidistantly are horizontally disposed with a plurality of range pipes 233, and range pipe 233 two ends are upturned.
As shown in Figure 3, be water-distributing device 23B, water-distributing device 23B is combined by several water-distributing devices 23C.
Water-distributing device 23 can be selected different water-distributing devices for use according to different needs.When designed water is big, when reactor volume is big, need select water-distributing device 23A and 23B for use, aerobic reactor zone 1 water outlet sidewall is wide during less than 1～1.5 meter, selects water-distributing device 23C; Water distributing pipe among water-distributing device 23A and the 23B can be according to the corresponding increase of actual amount of water; The range pipe 233 of water-distributing device 23A is arranged according to the reactor diagonal lines, to reach the purpose of water distribution uniformity.
Aerobic reactor zone 1 in the reactor and anaerobic reaction district 3 all adopt upward flow static bed biomembrane reactor structure, and ball-type filler 7,7a install in lower floor.Manhole cover 10,10a are installed in the top of reactor, and the smell in the reactor is not escaped, and all gases centralized collection aftertreatment of generation effluxes, and guarantee the environmental health of disposal field.
Percolate flows into aerobe reaction zone 1 by the bottom, by water distributor 4 to the reaction zone water distribution uniformity, pass through aerating apparatus 5 to the reactor air feed by the air feed facility, provide the biology aerobic reaction required oxygen, in the operational process, dissolved oxygen monitoring meter (DO) electrode is installed on socket 6, dissolved oxygen in the monitoring reaction district, according to the different influent qualities and the water yield, promptly different water inlet pollutant loads is regulated aeration rate, reaches the nitrosifying purpose of control.The microbial film of growth contacts the part ammonia nitrogen (NH in the percolate on waste water and the filler 7
4-N) be oxidized to nitrite nitrogen (NO
2-N), the organism of most of readily biodegradable is degraded to inorganic carbon by aerobic heterotrophic bacterium, the waste water after the biological degradation and the mixed solution of suspended sludge are through behind the triphase separator 8, gas mainly is collected in the central upper portion tube 16, upwards through gas outlet pipe 20 dischargings, the mud flocculation, precipitation, primary water flows out from water outlet 9, enter regulatory region 2, the water outlet thorough mixing that makes the different periods by water-distributing device 23 evenly after, flow to anaerobe reaction zone 3 automatically through anaerobe reaction zone 3 below water-ins 12, waste water flows by water distribution board 13 from bottom to top, under anaerobic, the microorganism that filler 7a goes up growth carries out biological metabolism, and anaerobic ammonia oxidizing bacteria is with ammonia nitrogen (NH
4-N) reduce nitrite, with nitrite (NO for electron donor
2-N) come oxidation ammonia nitrogen (NH for electron acceptor(EA)
4-N), ammonia nitrogen and nitrite nitrogen are transformed into nitrogen (N
2), partial organic substances is absorbed by other anaerobion or degrades.To after the separating of gas, water and mud, supernatant liquor effluxes waste water after the biological degradation by triphase separator 8a, and water outlet guarantees that by water seal air does not enter in the reactor.The on-line Control interface of pH and temperature monitoring meter 14, redox potential (ORP) monitoring meter 15 is installed in the anaerobic reaction district 3, in service, the pH of waste water is lower than 8 in the reaction zone, dosing pump in the on-line control system starts, alkaline agent is pumped into regulatory region 2 through chemical feed pipe 11, with the water outlet thorough mixing of aerobic zone 1 evenly after, flow to anaerobic zone 3 automatically by below water-in 12, the pH that regulates in the anaerobic zone 3 reaches operating requirement, ensures normally carrying out of Anammox biological respinse; Because the Anammox biological respinse is to the requirement of temperature, heating tube 19 is installed in anaerobic zone 3 bottoms, when envrionment temperature reduces, the waste water in the reactor is heated.The rising pipe 22 of anaerobic zone 3 links to each other with the sewage water inlet pipe 4 of reactor aerobic zone 2, water quality change when percolate, when Pollutant levels increase greatly, enter aerobic zone 1 after using reflux pump 18 with the effluent recycling of reactor and percolate mixed diluting, to reduce the water inlet pollutant load, minimizing ensures the steady running of reactor to the impact of reactor.
Manhole cover 10 and 10a are installed in the top of reactor, and the gas that biological respinse produces is delivered to treatment facility through gas outlet pipe 20 and discharged after being collected by reactor head.
The treatment technology principle that reactor adopts among the present invention is: about 50% ammonia nitrogen in the percolate is oxidized to nitrite nitrogen, and promptly nitrifying process only proceeds to the nitrosification stage, removes the organism of most of readily biodegradable simultaneously; Microorganism under anaerobic as electron donor, as electron acceptor(EA), is converted into nitrogen with ammonia nitrogen and nitrite nitrogen with nitrite nitrogen with remaining 50% ammonia nitrogen.
Treatment technology of the present invention has the following advantages:
(1) nitration reaction only proceeds to the nitrosification stage, and only the ammonia nitrogen of need about 50% is oxidized to nitrite nitrogen, saves energy consumption 62.5%.。
(2) save 100% denitrification organic carbon source.
Embodiment 1
See also accompanying drawing 1.
With percolate as handling waste water.The whole process flow continous-stable moves nearly four months, and the treatment effect of reactor is as follows:
Ammonia nitrogen (NH
4-N) influent concentration: 1282.9mg/L goes out water concentration: 108.6mg/L, clearance: 91.5%; The influent concentration of TN: 1424.6mg/L goes out water concentration: 260.1mg/L, clearance: 81.6%; The influent concentration of CODcr: 1035.5mg/L goes out water concentration: 279mg/L, clearance: 73%.
Claims (9)
1. the integrated bioreactor of a treating refuse percolate, container for sealing, form by aerobe reaction zone, anaerobe reaction zone and regulatory region three parts, subregion filled biomass filler is all arranged in each bio-reaction zone, and under aerobic and anaerobic condition, move respectively, regulatory region is between aerobic zone and anaerobic zone; It is characterized in that:
Top, central structure in aerobe reaction zone and the anaerobe reaction zone cavity volume are identical, in two district's cavity volumes, each level of top, top is provided with a horizontal support, horizontal support two ends and sidewall are affixed, the middle part respectively is provided with triphase separator, triphase separator is made of central tube and inversed taper platform, central tube is an inverted T shape, upper end cylinder and mid-stent are affixed, the lower end is a hydraucone, central tube hydraucone lower horizontal is provided with inversed taper platform, and edge and cavity volume inwall are affixed around the inversed taper platform, and the triphase separator below respectively is provided with the ball-type filler;
Upper portion side wall in the anaerobe reaction zone cavity volume is provided with rising pipe;
The top of aerobe reaction zone and anaerobe reaction zone all is provided with manhole cover, and wherein side is connected with gas outlet pipe in the heart, another termination gas processing device of two gas outlet pipes;
The bottom upper horizontal is provided with sewage water inlet pipe in the aerobe reaction zone cavity volume, and the sewage water inlet pipe lower horizontal is provided with aeration board, and a plurality of holes are arranged on the aeration board, and edge and cavity volume inwall are affixed around it, and its lower sidewalls is provided with inlet pipe;
The bottom upper horizontal is provided with water distribution board in the anaerobe reaction zone cavity volume, and a plurality of water distributing pores are arranged on the water distribution board, and edge and cavity volume inwall are affixed around it, and its lower horizontal is provided with heating tube, and heating tube passes the back from sidewall and links to each other with heating installation;
There is water outlet the sidewall top that aerobe reaction zone and regulatory region are adjacent, and aerobe reaction zone and regulatory region are communicated with;
There is water-in the sidewall below that anaerobe reaction zone and regulatory region are adjacent, and anaerobe reaction zone and regulatory region are communicated with;
The top of regulatory region is provided with chemical feed pipe, and the chemical feed pipe outer end communicates with medicine machine.
2. integrated bioreactor as claimed in claim 1 is characterized in that: also be provided with socket on the outer side wall of described aerobe reaction zone, dissolved oxygen monitoring meter electrode is installed on the socket;
On the outer side wall of anaerobe reaction zone, the rising pipe of top communicates with the sewage water inlet pipe of reactor aerobic zone, is provided with reflux pump on rising pipe and pipeline that sewage water inlet pipe is communicated with, and the below is provided with pH and temperature monitoring meter, redox potential monitoring meter;
In the cavity volume of regulatory region, be provided with water-distributing device.
3. integrated bioreactor as claimed in claim 1 is characterized in that: described heating tube is a plurality of, imports a house steward, and house steward passes the back from sidewall and links to each other with heating installation.
4. integrated bioreactor as claimed in claim 2 is characterized in that: described water-distributing device, to form by effluent trough and water distributing pipe, and water distributing pipe is divided into distributing main, range pipe again; Water-distributing device has three kinds of structures.
5. integrated bioreactor as claimed in claim 4, it is characterized in that: three kinds of structures of described water-distributing device, first kind is middle part in the cavity volume of regulatory region, in the below of aerobe reaction zone water outlet, level is established an effluent trough, and a plurality of holes are arranged on the effluent trough bottom surface, hole cistron device diagonal or radial array, hole below vertically is connected with range pipe, and the length of range pipe extends to the other end gradually according to an end of reactor diagonal lines or diameter;
Second kind is middle part in the cavity volume of regulatory region, and in the below of aerobe reaction zone water outlet, level is established an effluent trough, a plurality of holes are arranged on the effluent trough bottom surface, the hole is arranged in delegation, and the below, hole vertically is connected with distributing main, and the distributing main in the vertical direction equidistantly is horizontally disposed with a plurality of range pipes;
The third is to be combined by several second kind of water-distributing device.
6. integrated bioreactor as claimed in claim 5 is characterized in that: the range pipe in described second kind of water-distributing device, its two ends are upturned.
7. integrated bioreactor as claimed in claim 5 is characterized in that: the water-distributing device of described regulatory region, can select different structures for use according to different needs; When designed water is big, when reactor volume is big, select first kind or the third water-distributing device for use; Aerobic reactor zone water outlet sidewall is wide during less than 1～1.5 meter, selects second kind of water-distributing device; Water distributing pipe in the water-distributing device can be according to the corresponding increase of actual amount of water.
8. integrated bioreactor as claimed in claim 2, it is characterized in that: described reflux pump, constitute return-flow system, the effluent recycling of part anaerobe reaction zone is to reactor water inlet place, be mixed into aerobic reactor zone with percolate, to reduce the load impact of high density pollution thing, quantity of reflux is decided on Pollutant levels in the percolate, when ammonia nitrogen concentration was lower than 1000mg/L in the water inlet, backflow stopped.
9. as claim 1,2,3,4,5,6 or 7 described integrated bioreactors, it is characterized in that:
In the described aerobe reaction zone, the microorganism of degradation of organic substances and nitrococcus apposition growth are on biologic packing material, organism is degraded to inorganic carbon by aerobic heterotrophic bacterium, and the nitrifying process of control ammonia nitrogen is in the nitrosification stage, and keeps 50%～55% ammonia nitrogen to be oxidized to nitrite;
In the described anaerobe reaction zone, cultivate the anaerobic ammonia oxidizing bacteria apposition growth on filler, anaerobic ammonia oxidizing bacteria is that electron donor reduces nitrite with the ammonia nitrogen, with the nitrite is that electron acceptor(EA) comes the oxidation ammonia nitrogen, ammonia nitrogen and nitrite nitrogen are transformed into nitrogen, and partial organic substances is absorbed by other anaerobion or degrades;
The water-distributing device of regulatory region, adjustable water saving matter makes aerobe reaction zone water outlet thorough mixing in the pre-mixing district of different periods, and the pH value of regulating water simultaneously is to guarantee the stable of water quality and to make the anaerobic reaction district at optimum.
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| FR2889180B1 (en) * | 2005-08-01 | 2008-04-04 | Suez Environnement Sa | PROCESS AND PLANT FOR TREATING NITROGEN CONCENTRATE EFFLUENTS IN A FRACTIONAL CYCLE SEQUENTIAL BIOLOGICAL REACTOR |
| CN100429164C (en) * | 2006-12-26 | 2008-10-29 | 南京大学 | Method of treating domestic sewage dispersively and its reactor |
| CN101717169B (en) * | 2009-12-07 | 2012-06-13 | 浙江大学 | In-situ denitrification method of percolate of domestic refuse landfill |
| CN101804417B (en) * | 2010-05-10 | 2013-01-23 | 北京昊业怡生科技有限公司 | Active landfill method of urban domestic garbage |
| CN102583743B (en) * | 2012-03-02 | 2013-10-23 | 北京工业大学 | Dual-sludge denitrification dephosphorizing and denitrifying A/A-O device and method |
| SG10201914003SA (en) * | 2012-09-13 | 2020-03-30 | D C Water & Sewer Authority | Method and apparatus for nitrogen removal in wastewater treatment |
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| CN108751415A (en) * | 2018-06-28 | 2018-11-06 | 盐城市青鸟环保设备有限公司 | A kind of organic wastewater innocuity disposal system and technique |
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| GB2344815A (en) * | 1998-12-14 | 2000-06-21 | County Environmental Services | Landfill leachate treatment |
| KR20010076873A (en) * | 2000-01-27 | 2001-08-17 | 김창원 | Organic and nitrogen compound removal methods from landfill leachate using an anaerobic-aerobic-anoxic system |
| CA2320525A1 (en) * | 2000-03-08 | 2001-09-08 | Waste Management, Inc. | Facultative landfill bioreactor |
| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
| CN1433978A (en) * | 2003-03-10 | 2003-08-06 | 湖南大学 | Method for treating refuse percolation liquid |
| CN1456521A (en) * | 2003-03-28 | 2003-11-19 | 北京市肇麟环境技术开发公司 | Process and apparatus for urban refuse cite penetrating liquid by three stage plus one process |
-
2004
- 2004-11-04 CN CNB2004100888067A patent/CN1331780C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2344815A (en) * | 1998-12-14 | 2000-06-21 | County Environmental Services | Landfill leachate treatment |
| KR20010076873A (en) * | 2000-01-27 | 2001-08-17 | 김창원 | Organic and nitrogen compound removal methods from landfill leachate using an anaerobic-aerobic-anoxic system |
| CA2320525A1 (en) * | 2000-03-08 | 2001-09-08 | Waste Management, Inc. | Facultative landfill bioreactor |
| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
| CN1433978A (en) * | 2003-03-10 | 2003-08-06 | 湖南大学 | Method for treating refuse percolation liquid |
| CN1456521A (en) * | 2003-03-28 | 2003-11-19 | 北京市肇麟环境技术开发公司 | Process and apparatus for urban refuse cite penetrating liquid by three stage plus one process |
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| Publication number | Publication date |
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| CN1769211A (en) | 2006-05-10 |
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