CN105330108B - Utilize anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method and processing unit - Google Patents
Utilize anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method and processing unit Download PDFInfo
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- CN105330108B CN105330108B CN201510808776.0A CN201510808776A CN105330108B CN 105330108 B CN105330108 B CN 105330108B CN 201510808776 A CN201510808776 A CN 201510808776A CN 105330108 B CN105330108 B CN 105330108B
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- 239000010865 sewage Substances 0.000 title claims abstract description 100
- 230000003647 oxidation Effects 0.000 title claims abstract description 25
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000004062 sedimentation Methods 0.000 claims abstract description 35
- 230000001112 coagulant Effects 0.000 claims abstract description 18
- 239000000701 coagulant Substances 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 18
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 13
- 231100000719 pollutant Toxicity 0.000 claims abstract description 13
- 239000002244 precipitate Substances 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000006228 supernatant Substances 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims abstract description 3
- 238000011068 load Methods 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 9
- 230000002153 concerted Effects 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K Iron(III) chloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004065 wastewater treatment Methods 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 229910052698 phosphorus Inorganic materials 0.000 description 12
- 239000011574 phosphorus Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000005755 formation reaction Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000000813 microbial Effects 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 238000005842 biochemical reaction Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000006396 nitration reaction Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 244000052616 bacterial pathogens Species 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 241000276438 Gadus morhua Species 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 235000019516 cod Nutrition 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Abstract
The invention discloses a kind of using anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method, and this method includes following processing step：1) the small towns sewage being collected into water is carried out in high level storage pond to regulate and store and preformed precipitate；2) sewage enters anaerobic reaction area by flow by gravity, and anaerobic reaction area is provided with anaerobic organism filler；3) sewage flows upwardly into aerobic reactor zone by hydraulic pressure, and aerobic reactor zone is provided with biological rotating disk, and the sewage after Anaerobic Treatment into aerobic reactor zone is reacted with biofilm contact, realizes the pollutant removal effect of higher efficiency；4) sewage is introduced into High-rate sedimentation area, hybrid reaction is carried out by dosing coagulant, mixed liquor is after mud-water separation is handled, supernatant qualified discharge, excess sludge extraction.Sanitary sewage is handled using the method for the present invention, the conventional index of effluent quality meets《Urban wastewater treatment firm pollutant emission standard》(GB 18918-2002) level-one emission standard A meets the demand that the denitrogenation dephosphorizing of efficient stable is carried out to waste water.
Description
Technical field
It is specifically a kind of to utilize anaerobism-catalytic oxidation biology the present invention relates to a kind of process for handling sanitary sewage
Membrane reactor handles sanitary sewage method and processing unit.
Background technique
Samll cities and towns' water environment has gradually showed contaminated serious trend in the case where being lacked concern for a long time.By
Economic or other factors influence, and many samll cities and towns of China are difficult to handle sanitary wastewater.A large amount of sanitary sewage is direct
The water bodys such as rivers lake are discharged into, biggish pollution is caused to environment.
There is town domestic sewage discharge to disperse, sewage water is less than normal, change of water quality fluctuation is big, because using chemical fertilizer, pesticide
And make containing a certain amount of nitrogen, phosphorus and other organic matter and biodegradabilities are strong the features such as, integrated wastewater treatment equipment is special
Sanitary wastewater suitable for this dispersibility is handled.
In recent years China start gradually using integrated sewage treating apparatus technology to small town sewage into
Row processing, these integration apparatus and its technique gradually develop to a variety of sides from original single activated sludge process or biofilm
The combination process that method combines.It has the characteristics of occupied area is small, technique is complete, control is flexible and Integral movable.But it is existing
Equipment and the technique applicability of use limit to that larger, technique setting is generally relatively simple, not to the final process effect of sewage
Enough ideals, are especially difficult to reach requirement in terms of denitrogenation dephosphorizing, also do not have the ability of good reply influent quality fluctuation.
Summary of the invention
Anaerobism-catalytic oxidation biofilm reactor processing life is utilized technical problem to be solved by the invention is to provide a kind of
Sewage method and processing unit living, this method and device can be improved sanitary sewage disposal efficiency, and intensified denitrification and dephosphorization acts on, and
Ability is fluctuated with enough reply influent qualities.
The present invention solves above-mentioned technical problem with following technical solution：
Using anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method and processing unit, it includes the present invention
Following processing step：
1) the small towns sewage being collected into water is carried out in high level storage pond to regulate and store and preformed precipitate；
2) step 1) treated sewage is entered into anaerobic reaction area by flow by gravity, anaerobic reaction area is provided with anaerobism
Biologic packing material is for anaerobe apposition growth；
3) step 2) treated sewage is flowed upwardly into aerobic reactor zone by hydraulic pressure, aerobic reactor zone is provided with biology and turns
Disk, the sewage after Anaerobic Treatment into aerobic reactor zone are reacted with biofilm contact, realize that the pollutant of higher efficiency is gone
Except effect；
4) after the biochemical treatment of step 3), sewage is introduced into High-rate sedimentation area, the entrance in High-rate sedimentation area is equipped with coagulation
Agent adds mouth, carries out hybrid reaction by dosing coagulant, and mixed liquor is after mud-water separation is handled, supernatant qualified discharge, remains
Remaining sludge extraction.
There are the differential water pressures of 1~3m between the high level storage pond of step 1) and the anaerobic reaction area of step 2).
The storage capacity in the high level storage pond is 6h inflow.
Anaerobic organism media-filling rate in the anaerobic reaction area of step 2) is that 50~80%, HRT is 4~6 hours.
The anaerobic reaction area dissolved oxygen concentration is in 0.5mg/L hereinafter, pH control is 6.5~7.2.
Biological rotating disk revolving speed in the step 3) aerobic reactor zone is 1.5~3 revs/min, the periphery linear speed of biological rotating disk
Degree is set as 15 ms/min, and the HRT of aerobic reactor zone is 8~10 hours.
The dish axle of the biological rotating disk is higher by the water surface, and disk has 40% to soak in water, and 60% exposes in air, biomembrane
Overall thickness reaches 0.5~1.0mm.
It is equipped with circulation loop channel between the aerobic reactor zone and anaerobic reaction area, makes the sewage backflow of aerobic reactor
To anaerobic reaction area, the sewage of reflux, which cuts anaerobic organism filler, to be dispersed, and a wide range of turbulent flow is formed in anaerobic reaction area,
Form concerted reaction.
The internal circulating load in the circulation loop channel controls between 50~200%, can take the circumstances into consideration to increase in the case where water quality situation is special
Add interior internal circulating load and extends the reaction time 2~5 hours to promote treatment effect.
In step 4), the coagulant added is polyaluminum ferric chloride, and dosage is 5~10mg/L.
The method of the present invention use anaerobism-catalytic oxidation biofilm reactor include the anaerobic reaction area 2 successively to connect, it is good
Oxygen reaction zone 6 and High-rate sedimentation area 13, anaerobic reaction area 2 is located at the lower section of reactor, and is equipped with water inlet 1, interior to be equipped with anaerobism
Biologic packing material；Aerobic reactor zone 6 is connected and is located at the top of anaerobic reaction area 2 with aerobic reactor zone 6, and the interior biology that is equipped with turns
Disk；The outlet of aerobic reactor zone 6 is connected with High-rate sedimentation area 13, and the entrance in High-rate sedimentation area 13 is equipped with coagulant dosage
Mouth 10, the top in High-rate sedimentation area 13 are equipped with water outlet 14, and bottom is equipped with excess sludge discharge outlet 15.
Processing method of the present invention compared with prior art, has the advantages that：
(1) low energy consumption：Pass through the energy storage in high level storage pond first, system can realize ultralow power operation；Its subsystem without
It needs to be aerated, is not required to returned sludge, minimize system operation energy consumption, ton water consume electricity is minimum can be down to 0.1kWh.
(2) tupe can flexible choice control：Ultralow power conventional operation mould is selected according to view demand the case where water inlet
Formula, or the operational mode of the efficient decarburization dephosphorization of selection, there is circulation loop between aerobic reactor zone and anaerobic reaction area
Channel achievees the purpose that intensified denitrification and dephosphorization efficiency by internal circulation system.
(3) anti impulsion load ability is strong：There is Regulation Function in high level storage pond first, if influent quality has fluctuation
Situation, controllable adjustable handle water；Secondly it is furnished with light filler in Anaerobic Treatment area, in conjunction with the interior circulation formed with aerobic zone
System has extremely strong adaptability and operation stability to the variation of influent quality, water.
(4) treatment process is to sanitary sewage disposal excellent effect, the five basic conventional indexs of water quality of sewage after processing
(including pH, COD, ammonia nitrogen, SS, total phosphorus) meets《Urban wastewater treatment firm pollutant emission standard》(GB 18918-2002) one
Grade emission standard A.
Detailed description of the invention
Fig. 1 is that the present invention is illustrated using anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method and process process
Figure.
Fig. 2 is anaerobism-catalytic oxidation biofilm reactor structural schematic diagram that the method for the present invention uses.
In figure：1- water inlet, 3- anaerobic organism filler, the input end of the vertical water inlet pipe of 4-, follows in 5- 2- anaerobic reaction area
Ring pump, the aerobic reactor zone 6-, 7- biological rotating disk, 8- check valve, the water inlet of 9- efficient settler, 10- coagulant dosage mouth,
11- pipe-line mixer, 12- water distributor, 13- High-rate sedimentation area, 14- water outlet, 15- excess sludge discharge outlet, 16- are vertically intake
Pipe.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Fig. 2, anaerobism of the present invention-catalytic oxidation biofilm reactor is in vertical structure, it includes successively connecting
Anaerobic reaction area 2, aerobic reactor zone 6 and High-rate sedimentation area 13, anaerobic reaction area 2 are located at the lower section of reactor, and left side is equipped with
The water inlet 1 being connected with high level storage pond, there is the differential water pressures of 1-3m between high level storage pond and anaerobic reaction area 2, a high position is adjusted
The storage capacity of reservoir is 6h inflow.Anaerobic organism filler 3 is provided in anaerobic reaction area 2, positioned at 1 other side of water inlet
Internal circulation pump 5 is fixedly mounted by guide rod in water outlet, and is provided with vertical water inlet pipe 16, internal circulation pump 5 and vertical water inlet pipe 16
Outlet be connected with aerobic reactor zone 6, the input end 4 of vertical water inlet pipe is located in anaerobic reaction area 2, vertical water inlet pipe
Outlet end is located at 6 top of aerobic reactor zone, and the sewage of aerobic reactor zone 6 enters aerobic reactor zone 6 by hydraulic pressure, thus hands-free liter
Power reduces operation power source.
Aerobic reactor zone 6 is located at the top of anaerobic reaction area 2, and aerobic reactor zone 6 is provided with several biological rotating disks 7, biology
7 apposition growth biomembrane of turntable, 1.5~3 revs/min of biological rotating disk revolving speed, the periphery linear velocity of disk is set as 15 ms/min or so.Disk
Axis is higher by the water surface, and disk 40% is under water, and 60% exposure is in air.When dish axle rotates, disk alternating and useless water and air
Contact.Disk grows the membranoid substance to be formed for attached microbial and is covered, and adheres to liquid film, aerobe film, simultaneous from outside to inside
Oxygen biomembrane, anaerobe film, biomembrane overall thickness can reach 0.5~1.0mm.The HRT of aerobic reactor zone is 8~10 small
When.Sewage after Anaerobic Treatment into aerobic reactor zone reacts the pollutant, it can be achieved that higher efficiency with biofilm contact
Removal effect.
Aerobic reactor zone 6 is equipped with the check valve 8 being connected with anaerobic reaction area 2 in its water outlet side, makes aerobic reactor zone 6
It can be formed between anaerobic reaction area 2 and communicate up and down and form circulation loop channel.High-rate sedimentation area 13 is located at aerobic reaction
The side in area 6 is arranged partition and separates between the top and aerobic reactor zone 6 in High-rate sedimentation area 13, the middle part in High-rate sedimentation area 13
It is connected with the water outlet of aerobic reactor zone 6, the water outlet of aerobic reactor zone 6 flows into High-rate sedimentation area, can be gone out with some
Water passes back into anaerobic reaction area 2 by check valve 8.13 top of High-rate sedimentation area is provided with the High-rate sedimentation of inclined plate or other structures
Device makes mixed liquor carry out mud-water separation.The input end of pipe-line mixer 11 is connected with the water outlet of aerobic reactor zone 6, and sets
There is coagulant dosage mouth 10, coagulant puts into pipe-line mixer 11 by coagulant dosage mouth 10.Pipe-line mixer 11 goes out
Mouth end is connect with water distributor 12, and the outlet of water distributor 12 and the water inlet 9 of efficient settler connect.The top in High-rate sedimentation area 13
Equipped with water outlet 14, the supernatant in High-rate sedimentation area 13 is emitted through water outlet 14, and the bottom in High-rate sedimentation area 13 is equipped with surplus
Remaining mud discharging mouth 15.
Depending on sewage quality situation, start internal circulation pump 5 when selection starting internal circulation system when sewerage nitrogen and phosphor concentration is higher,
And check valve 4 is opened, the sewage of aerobic reactor zone effluent recycling to anaerobic reaction area, reflux divides the cutting of anaerobic organism filler
It dissipates, forms a wide range of turbulent flow in anaerobic reaction area, being conducive to, which contacts sewage more uniformly with anaerobe, occurs a system
Complicated and diversified biochemical reaction is arranged, phosphorus and generating unit are released in decomposition, aminating reaction, thermophilic phosphorus bacterium including larger molecular organics
The anti-nitration reaction and Anammox of component react, the concerted reaction of formation.Internal circulating load and reaction time realize flexibly control,
Control can be taken the circumstances into consideration to increase interior internal circulating load and be prolonged in the case where water quality situation is special between 50~200% under interior internal circulating load regular situation
2~5 hours long reaction time is to promote treatment effect.Both intensified denitrification and dephosphorization efficiency, and increase reactor assembly microbial species
The complexity of class, when coping with different influent quality situations, the anti-fluctuation ability of system, i.e. stability is guaranteed.
Sewage enters aerobic reactor zone 6 automatically by vertical water inlet pipe 16 when selection does not start internal circulation system.
The method of the present invention is described further in conjunction with Fig. 1 and following instance：
Embodiment 1：
Certain township sanitary sewage, sewage original water quality situation are handled using the method for the present invention：pH：7.2,CODcr：280mg/L,
BOD5：150mg/L,SS：58mg/L,NH4 +-N：28mg/L,TP：5.5mg/L.
Start the high-efficient denitrification and dephosphorization mode of internal circulation system：
1) the small towns sewage being collected into carries out water in high level storage pond and regulates and stores and preformed precipitate, with subsequent step 2) react
The differential water pressures of device formation 3m.
2) sewage of the control Jing Guo step 1) preformed precipitate enters anaerobism-catalytic oxidation biofilm reactor by gravity stream.
Sewage initially enters reactor anaerobic reaction area, and anaerobic organism filler is arranged for anaerobe apposition growth in anaerobic reaction area,
It is 6 hours that anaerobic organism filler, which is 80%, HRT in anaerobic reaction area filling rate, and anaerobic reaction area dissolved oxygen concentration is 0.3mg/
L, pH control are 6.5；The sewage being recycled back in into the sewage mixing aerobic zone of anaerobic zone by biologic packing material cutting dispersion, from
And a wide range of turbulent flow is formed in anaerobic reaction area, a series of complex occurs conducive to sewage is contacted more uniformly with anaerobe
The biochemical reaction of multiplicity, decomposition, aminating reaction, thermophilic phosphorus bacterium including larger molecular organics release phosphorus and partial amount occur
Anti-nitration reaction and Anammox reaction, the concerted reaction of formation.
The sewage of anaerobic reaction area enters aerobic reactor zone by the vertical water inlet pipe risen by hydraulic pressure.
Biological rotating disk is arranged in aerobic reactor zone, and 3 revs/min of biological rotating disk revolving speed, disk 40% is under water, and 60% is exposed to
In air.When dish axle rotates, disk is alternately contacted with useless water and air.Disk grows the membranoid substance to be formed institute for attached microbial
Covering, adheres to liquid film, aerobe film, facultative aerobic character biomembrane, anaerobe film from outside to inside, and biomembrane overall thickness reaches
1.0mm.The HRT of aerobic reactor zone is 10 hours.Enter the sewage and biofilm contact of aerobic reactor zone after Anaerobic Treatment
Reaction is, it can be achieved that the pollutant removal of higher efficiency acts on.
It recycles in activation system, aerobic reactor zone effluent recycling to anaerobic reaction area, is controlled under interior internal circulating load regular situation
Between 50%, and extend the reaction time 2 hours to promote treatment effect.Both intensified denitrification and dephosphorization efficiency, and increase reaction
The complexity of device system microbe species, when coping with different influent quality situations, the anti-fluctuation ability of system, i.e. stability is obtained
To guarantee.
After biochemical treatment, sewage enters anaerobism-catalytic oxidation biofilm reactor High-rate sedimentation area, settling zone into
Coagulant dosage is arranged in water pipe section, adds medicament and selects novel coagulant polyaluminum ferric chloride, dosage 5mg/L, in pipeline
Hybrid reaction in mixer, from settling zone, water distributor water distribution enters efficient sedimentation tank.Sedimentation basin fills inclined plate, and mixed liquor carries out mud
After water separation, supernatant qualified discharge.
After processing, effluent quality is sewage：pH：7.0,CODcr：45mg/L,BOD5：10mg/L,SS：10mg/L,NH4 +-
N：4.5mg/L,TP：0.5mg/L.Meet《Urban wastewater treatment firm pollutant emission standard》(GB 18918-2002) level-one A row
Put standard.
Embodiment 2：
Certain township's sanitary sewage, sewage original water quality situation are handled using the method for the present invention：CODcr：160mg/L,BOD5：
100mg/L、NH4 +-N：16mg/L,TP：3mg/L.
Using super low energy consumption operational mode, i.e., do not start internal circulation system.
1) the small towns sewage being collected into carries out water in high level storage pond and regulates and stores and preformed precipitate, with subsequent step 2) react
The differential water pressures of device formation 1m.
2) sewage of the control Jing Guo step 1) preformed precipitate enters anaerobism-catalytic oxidation biofilm reactor by gravity stream.
Sewage initially enters reactor anaerobic reaction area, and anaerobic organism filler is arranged for anaerobe apposition growth in anaerobic reaction area,
It is 4 hours that anaerobic organism filler, which is 50%, HRT in anaerobic reaction area filling rate, and anaerobic reaction area dissolved oxygen concentration is in 0.5mg/
L, pH 7.2；The sewage being recycled back in into the sewage mixing aerobic zone of anaerobic zone by biologic packing material cutting dispersion, to
Anaerobic reaction area forms a wide range of turbulent flow, and a series of complex multiplicity occurs conducive to sewage is contacted more uniformly with anaerobe
Biochemical reaction, decomposition, aminating reaction, thermophilic phosphorus bacterium including larger molecular organics release phosphorus and occur partial amount anti-nitre
Change reaction and Anammox reaction, the concerted reaction of formation.
The sewage of anaerobic reaction area enters aerobic reactor zone by the vertical water inlet pipe risen by hydraulic pressure.Aerobic reactor zone is raw
1.5 revs/min of object rotary speed.When dish axle rotates, disk is alternately contacted with useless water and air.Disk grows shape for attached microbial
At membranoid substance covered, from outside to inside adhere to liquid film, aerobe film, facultative aerobic character biomembrane, anaerobe film, biology
Film overall thickness can reach 0.5mm.The HRT of aerobic reactor zone is 8 hours.Enter the sewage of aerobic reactor zone after Anaerobic Treatment
It is reacted with biofilm contact, realizes the pollutant removal effect of higher efficiency.
After biochemical treatment, sewage enters anaerobism-catalytic oxidation biofilm reactor High-rate sedimentation area, from settling zone cloth
Water pipe water distribution enters efficient sedimentation tank.Sedimentation basin fills inclined plate, after mixed liquor carries out mud-water separation, supernatant qualified discharge.
Sewage after processing, CODcr：35mg/L,BOD5：8mg/L,NH4 +-N：4.6mg/L,TP：0.45mg/L.Meet《City
Town Wastewater Treatment discharge standard》(GB 18918-2002) level-one emission standard A.
Embodiment 3：
Certain urban wastewater treatment firm sanitary sewage, sewage original water quality situation are handled using the method for the present invention：pH：7.1,
CODcr：350mg/L,BOD5：190mg/L,SS：70mg/L,NH4 +-N：35mg/L,TP：5mg/L.
Start the high-efficient denitrification and dephosphorization mode of internal circulation system：
1) the small towns sewage being collected into carries out water in high level storage pond and regulates and stores and preformed precipitate, with subsequent step 2) react
The differential water pressures of device formation 2m.
2) sewage of the control Jing Guo step 1) preformed precipitate enters anaerobism-catalytic oxidation biofilm reactor by gravity stream.
Sewage initially enters reactor anaerobic reaction area, and anaerobic organism filler is arranged for anaerobe apposition growth in anaerobic reaction area,
It is 5 hours that anaerobic organism filler, which is 60%, HRT in anaerobic reaction area filling rate, and anaerobic reaction area dissolved oxygen concentration is 0.4mg/
L, pH control are 6.7；The sewage being recycled back in into the sewage mixing aerobic zone of anaerobic zone by biologic packing material cutting dispersion, from
And a wide range of turbulent flow is formed in anaerobic reaction area, a series of complex occurs conducive to sewage is contacted more uniformly with anaerobe
The biochemical reaction of multiplicity, decomposition, aminating reaction, thermophilic phosphorus bacterium including larger molecular organics release phosphorus and partial amount occur
Anti-nitration reaction and Anammox reaction, the concerted reaction of formation.
The sewage of anaerobic reaction area enters aerobic reactor zone by the vertical water inlet pipe risen by hydraulic pressure.
Biological rotating disk is arranged in aerobic reactor zone, and 2.5 revs/min of biological rotating disk revolving speed, disk 40% is under water, 60% exposure
In air.When dish axle rotates, disk is alternately contacted with useless water and air.Disk grows the membranoid substance to be formed for attached microbial
It is covered, adheres to liquid film, aerobe film, facultative aerobic character biomembrane, anaerobe film from outside to inside, biomembrane overall thickness reaches
To 0.8mm.The HRT of aerobic reactor zone is 9 hours.Enter the sewage and biofilm contact of aerobic reactor zone after Anaerobic Treatment
Reaction is, it can be achieved that the pollutant removal of higher efficiency acts on.
It recycles in activation system, aerobic reactor zone effluent recycling to anaerobic reaction area, is controlled under interior internal circulating load regular situation
It is 200%, and extends the reaction time 5 hours to promote treatment effect.Both intensified denitrification and dephosphorization efficiency, and increase reactor system
The complexity of system microbe species, when coping with different influent quality situations, the anti-fluctuation ability of system, i.e. stability is protected
Card.
After biochemical treatment, sewage enters anaerobism-catalytic oxidation biofilm reactor High-rate sedimentation area, settling zone into
Coagulant dosage is arranged in water pipe section, adds medicament and selects novel coagulant polyaluminum ferric chloride, dosage 10mg/L, in pipeline
Hybrid reaction in mixer, from settling zone, water distributor water distribution enters efficient sedimentation tank.Sedimentation basin fills inclined plate, and mixed liquor carries out mud
After water separation, supernatant qualified discharge.
After processing, effluent quality is sewage：pH：7.0,CODcr：39mg/L,BOD5：8mg/L,SS：9mg/L,NH4 +-N：
3.5mg/L,TP：0.42mg/L.Meet《Urban wastewater treatment firm pollutant emission standard》(GB 18918-2002) level-one A row
Put standard.
Embodiment 4：
Certain residential block sewage treatment plant sanitary sewage, sewage original water quality situation are handled using the method for the present invention：pH：6.8,
CODcr：330mg/L,BOD5：200mg/L,SS：63mg/L,NH4 +-N：28mg/L,TP：4mg/L.
Start the high-efficient denitrification and dephosphorization mode of internal circulation system：
1) the small towns sewage being collected into carries out water in high level storage pond and regulates and stores and preformed precipitate, with subsequent step 2) react
The differential water pressures of device formation 1m.
2) sewage of the control Jing Guo step 1) preformed precipitate enters anaerobism-catalytic oxidation biofilm reactor by gravity stream.
Sewage initially enters reactor anaerobic reaction area, and anaerobic organism filler is arranged for anaerobe apposition growth in anaerobic reaction area,
It is 5 hours that anaerobic organism filler, which is 60%, HRT in anaerobic reaction area filling rate, and anaerobic reaction area dissolved oxygen concentration is 0.4mg/
L, pH control are 6.8；The sewage being recycled back in into the sewage mixing aerobic zone of anaerobic zone by biologic packing material cutting dispersion, from
And a wide range of turbulent flow is formed in anaerobic reaction area, a series of complex occurs conducive to sewage is contacted more uniformly with anaerobe
The biochemical reaction of multiplicity, decomposition, aminating reaction, thermophilic phosphorus bacterium including larger molecular organics release phosphorus and partial amount occur
Anti-nitration reaction and Anammox reaction, the concerted reaction of formation.
The sewage of anaerobic reaction area enters aerobic reactor zone by the vertical water inlet pipe risen by hydraulic pressure.
Biological rotating disk is arranged in aerobic reactor zone, and 3 revs/min of biological rotating disk revolving speed, disk 40% is under water, and 60% is exposed to
In air.When dish axle rotates, disk is alternately contacted with useless water and air.Disk grows the membranoid substance to be formed institute for attached microbial
Covering, adheres to liquid film, aerobe film, facultative aerobic character biomembrane, anaerobe film from outside to inside, and biomembrane overall thickness reaches
1.0mm.The HRT of aerobic reactor zone is 8 hours.Sewage and biofilm contact after Anaerobic Treatment into aerobic reactor zone is anti-
It answers, it can be achieved that the pollutant removal of higher efficiency acts on.
It recycles in activation system, aerobic reactor zone effluent recycling to anaerobic reaction area, is controlled under interior internal circulating load regular situation
It is 100%, and extends the reaction time 3 hours to promote treatment effect.Both intensified denitrification and dephosphorization efficiency, and increase reactor system
The complexity of system microbe species, when coping with different influent quality situations, the anti-fluctuation ability of system, i.e. stability is protected
Card.
After biochemical treatment, sewage enters anaerobism-catalytic oxidation biofilm reactor High-rate sedimentation area, settling zone into
Coagulant dosage is arranged in water pipe section, adds medicament and selects novel coagulant polyaluminum ferric chloride, dosage 6mg/L, in pipeline
Hybrid reaction in mixer, from settling zone, water distributor water distribution enters efficient sedimentation tank.Sedimentation basin fills inclined plate, and mixed liquor carries out mud
After water separation, supernatant qualified discharge.
After processing, effluent quality is sewage：pH：7.1,CODcr：36mg/L,BOD5：10mg/L,SS：8mg/L,NH4 +-
N：4mg/L,TP：0.46mg/L.Meet《Urban wastewater treatment firm pollutant emission standard》(GB 18918-2002) level-one A row
Put standard.
Claims (7)
1. utilizing anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method, which is characterized in that it includes following place
Manage step：
1) sanitary sewage being collected into water is carried out in high level storage pond to regulate and store and preformed precipitate；
2) step 1) treated sewage is entered into anaerobic reaction area by flow by gravity, anaerobic reaction area is provided with anaerobic organism
Filler is for anaerobe apposition growth；Anaerobic organism media-filling rate in the anaerobic reaction area is that 50~80%, HRT is
4~6 hours；
3) step 2) treated sewage being flowed upwardly into aerobic reactor zone by hydraulic pressure, aerobic reactor zone is provided with biological rotating disk,
Sewage after Anaerobic Treatment into aerobic reactor zone is reacted with biofilm contact, realizes that the pollutant removal of higher efficiency is made
With；
4) after the biochemical treatment of step 3), sewage is introduced into High-rate sedimentation area, the entrance in High-rate sedimentation area is thrown equipped with coagulant
Add mouth, hybrid reaction is carried out by dosing coagulant, mixed liquor is after mud-water separation is handled, supernatant qualified discharge, remaining dirty
Mud extraction；
It is equipped with circulation loop channel between the aerobic reactor zone and anaerobic reaction area, makes the sewage backflow of aerobic reactor to detesting
In oxygen reaction zone, the sewage of reflux, which cuts anaerobic organism filler, to be dispersed, and is formed a wide range of turbulent flow in anaerobic reaction area, is formed
Concerted reaction；The internal circulating load in the circulation loop channel controls between 50~200%；The anaerobic reaction area dissolved oxygen concentration
In 0.5mg/L hereinafter, pH control is 6.5~7.2.
2. utilizing anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method, feature according to claim 1
It is there are the differential water pressures of 1~3m between the high level storage pond of step 1) and the anaerobic reaction area of step 2).
3. utilizing anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method, feature according to claim 2
It is, the storage capacity in the high level storage pond is 6h inflow.
4. utilizing anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method, feature according to claim 1
It is, the biological rotating disk revolving speed in the step 3) aerobic reactor zone is 1.5~3 revs/min, and the periphery linear velocity of biological rotating disk is set
It is 15 ms/min, the HRT of aerobic reactor zone is 8~10 hours.
5. utilizing anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method, feature according to claim 4
It is, the dish axle of the biological rotating disk is higher by the water surface, and disk has 40% to soak in water, and in air, biomembrane is total for 60% exposure
Thickness reaches 0.5~1.0mm.
6. utilizing anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method, feature according to claim 1
It is, in step 4), the coagulant added is polyaluminum ferric chloride, and dosage is 5~10mg/L.
7. implementing anaerobism-catalytic oxidation biofilm reactor that claim 1 the method uses, which is characterized in that it includes
The anaerobic reaction area (2) that successively connects, aerobic reactor zone (6) and High-rate sedimentation area (13), anaerobic reaction area (2) are located at reactor
Lower section, and be equipped with water inlet (1), it is interior be equipped with anaerobic organism filler；It is set between aerobic reactor zone (6) and anaerobic reaction area (2)
There is circulation loop channel, make in the sewage backflow to anaerobic reaction area of aerobic reactor, the sewage of reflux is by anaerobic organism filler
Cutting dispersion forms a wide range of turbulent flow in anaerobic reaction area, forms concerted reaction；Aerobic reactor zone (6) is located at anaerobic reaction
The top in area (2), it is interior to be equipped with biological rotating disk；The outlet of aerobic reactor zone (6) is connected with High-rate sedimentation area (13), efficiently heavy
The entrance in shallow lake area (13) is equipped with coagulant dosage mouth (10), and the top of High-rate sedimentation area (13) is equipped with water outlet (14), bottom
Portion is equipped with excess sludge discharge outlet (15).
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| CN105712592A (en) * | 2016-05-04 | 2016-06-29 | 四川格瑞斯环境科技有限公司 | Novel domestic sewage treatment main station |
| CN105712590A (en) * | 2016-05-04 | 2016-06-29 | 四川格瑞斯环境科技有限公司 | Two-stage comprehensive biochemical reaction tank |
| CN106007178A (en) * | 2016-06-17 | 2016-10-12 | 阿斯旺（北京）环保科技有限公司 | Distributed and structured town sewage pelletization treatment process and pelletization reactor |
| CN106007200A (en) * | 2016-07-04 | 2016-10-12 | 宜兴市永加化工有限公司 | Method for treating wastewater |
| CN109205955B (en) * | 2018-10-31 | 2021-03-19 | 浙江工业大学上虞研究院有限公司 | Method for treating ammonia nitrogen-containing wastewater by chemical precipitation method and biological method |
| CN109354335A (en) * | 2018-12-14 | 2019-02-19 | 谢绍舜 | The optimum organization technique of town domestic sewage processing |
| CN110526396A (en) * | 2019-07-24 | 2019-12-03 | 华电电力科学研究院有限公司 | A kind of desulfurization wastewater and sanitary sewage Coordination Treatment technique and its integrated apparatus |
| CN112499883A (en) * | 2020-10-09 | 2021-03-16 | 江苏大学 | Integrated treatment device for rural wastewater in alpine and anoxic regions |
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Application publication date: 20160217 Assignee: Jingshan boshike environmental protection equipment manufacturing Co., Ltd Assignor: Guangxi Bosch Environmental Technology Co.,Ltd. Contract record no.: X2020450000045 Denomination of invention: Treatment of domestic sewage by anaerobic contact oxidation biofilm reactor Granted publication date: 20181130 License type: Common License Record date: 20201104 |
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