CN1850651A - Semi-submergence type sewagte biological contacting oxidation prool and sewage treatment method - Google Patents
Semi-submergence type sewagte biological contacting oxidation prool and sewage treatment method Download PDFInfo
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- CN1850651A CN1850651A CNA2006100100414A CN200610010041A CN1850651A CN 1850651 A CN1850651 A CN 1850651A CN A2006100100414 A CNA2006100100414 A CN A2006100100414A CN 200610010041 A CN200610010041 A CN 200610010041A CN 1850651 A CN1850651 A CN 1850651A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to a semi-flooded sewage water biocontact oxidation tank and the sewage water processing method thereof. And it is separated by a nonflooded filling bearing layer into two parts, where the surfaces of the nonflooded and flooded fillings are attached with different microbes, and the sewage water entering in the tank is lower than the nonflooded filling bearing layer. And its processing method: firstly preprocessing the sewage water, feeding the sewage water into it and finally collecting the processed water, where the microbes on the surfaces of the nonflooded fillings are cultivated and acclimated by volatile smell-causing organic pollutants in the sewage water and those on the sufaces of the flooded fillings are cultivated and acclimated by the sewage water, and in the sewage water processing course, the sewage water is lower than the nonflooded filling bearing layer. And its removal rate of the volatile smell-causing organic pollutions is up to 90%-99%.
Description
Technical field
The present invention relates to a kind of waste disposal plant and sewage water treatment method thereof.
Background technology
Some volatility cause smelly organic pollutant (comprising some low-molecular-weight fatty acids, amine, ethers, halohydrocarbon and aliphatic, aromatic, heterocyclic nitrogen or sulphur compound) loss from sewage and come out in existing sewage aerobic biological treatment process, these gaseous pollutants distribute stench, atmosphere pollution, destroy environment, and can enter human body by approach such as breathing, diet, contacts, cause respiratory system, the recycle system, Digestive tract, endocrine system and neural disease.Sewage aerobic biological treatment facility and method can not be removed the volatility of distributing in the sewage effectively and cause smelly organic pollutant at present, cause volatility to cause smelly organic pollutant atmosphere pollution.
Summary of the invention
The objective of the invention is to remove the volatility of distributing in the sewage effectively and cause smelly organic pollutant in order to solve present sewage aerobic biological treatment facility and method, cause volatility to cause the defective of smelly organic pollutant atmosphere pollution, and a kind of semi-submergence type sewagte biological contacting oxidation prool and the sewage water treatment method thereof that provide.Semi-submergence type sewagte biological contacting oxidation prool of the present invention is divided into two portions up and down by non-submersion filler supporting layer, top is the non-submersion packing layer, the non-submersion filling surface is attached with the volatility of distributing and causes smelly organic pollutant cultivation acclimated microorganism in sewage, the bottom comprises floods packing layer, aerating apparatus, sewage water feed apparatus and treating water discharging device, floods filling surface and is attached with through sewage cultivation acclimated microorganism; The height of water inlet of biological contact oxidation pond sewage and discharging device is lower than non-submersion filler supporting layer.Semi-immersed saprobia catalytic oxidation sewage water treatment method of the present invention carries out pre-treatment with sewage earlier and feeds the last collection and treatment water of semi-submergence type sewagte biological contacting oxidation prool again, microorganism that its middle and upper part non-submersion filling surface adheres to causes the cultivation domestication of smelly organic pollutant through volatility in the sewage, the bottom flood the cultivation domestication of microorganism that filling surface adheres to through sewage; The dissolved oxygen content of sewage remains 2.5～6.0mg/L in the biological contact oxidation pond; The residence time of sewage in flooding packing layer is 2～12h, and the height of sewage in biological contact oxidation pond is lower than non-submersion filler supporting layer all the time.Apparatus of the present invention less investment, running cost is low, and the maintenance management difficulty is low; The inventive method is simple, can remove the volatility of distributing in 90%～99% the sewage by microbiological deterioration, filling adsorption and filling surface chemical action and cause smelly organic pollutant; And can reconstruct into device of the present invention with having waste disposal plant now, need not add equipment, less investment, effective, easy realization.
Description of drawings
Fig. 1 is the structural representation of biological contact oxidation pond of the present invention, Fig. 2 is the synoptic diagram of biological contact oxidation pond in the embodiment 22, Fig. 3 is the synoptic diagram of biological contact oxidation pond in the embodiment 23, and Fig. 4 is the synoptic diagram of biological contact oxidation pond in the embodiment 24.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, the present embodiment semi-submergence type sewagte biological contacting oxidation prool is divided into two portions up and down by non-submersion filler supporting layer 1, top is non-submersion packing layer 12, non-submersion filler 14 surface attachment have the volatility of distributing in sewage to cause smelly organic pollutant cultivation acclimated microorganism, the bottom comprises floods packing layer 2, aerating apparatus 9, sewage water feed apparatus and treating water discharging device, and flooding filler 15 surface attachment has through sewage cultivation acclimated microorganism; The height of water inlet of biological contact oxidation pond sewage and discharging device is lower than non-submersion filler supporting layer 1.
Present embodiment non-submersion filler supporting layer 1 and top non-submersion filler 14 hide the bottom fully, making volatility in the sewage cause smelly organic pollutant can not be emitted in the air, non-submersion filler supporting layer 1 has ventilation property, and the volatility of distributing in the sewage causes smelly organic pollutant and is removed by microbiological deterioration, filling adsorption and filling surface chemical action.The aperture of the air outlet of the water outlet 5-1 of present embodiment sewage water feed apparatus and sewage pretreatment unit gas introduction tube line is all less than the particle diameter that floods filler 15.Non-submersion filler supporting layer 1 is for polyvinyl chloride plastic flitch, the armoured concrete slab of perforation or be brushed with the woven wire of rust-inhibiting paint, and the aperture of polyvinyl chloride plastic flitch and the mesh size of woven wire are all less than the particle diameter of non-submersion filler 14.
Embodiment two: the difference of present embodiment and embodiment one is: non-submersion filler 14 is made up of in coke, gac, haydite, hard coal, rubble, gravel, zeolite, perlite, peat, wood chip, wood shavings, bamboo bits, sand, slag, porcelain ring, baton round, broken shell, textile fibres, the sponge one or more; The thickness of non-submersion filler is 0.5～1.2m.Other is identical with embodiment one.
Embodiment three: the difference of present embodiment and embodiment one is: non-submersion filler 14 is made up of coke, gac, haydite, hard coal, baton round, broken shell, cotton, sponge and textile fibres; The thickness of non-submersion filler is 0.6～1.1m.Other is identical with embodiment one.
Embodiment four: the difference of present embodiment and embodiment one is: non-submersion filler 14 is made up of gac, haydite, hard coal, baton round, Wingdale and sponge; The thickness of non-submersion filler is 0.7～1.0m.Other is identical with embodiment one.
Embodiment five: the difference of present embodiment and embodiment one is: non-submersion filler 14 is coke, gac, haydite, hard coal, rubble, gravel, zeolite, perlite, peat, wood chip, wood shavings, bamboo bits, sand, slag, porcelain ring, baton round, broken shell, sponge or textile fibres; The thickness of non-submersion filler is 0.8～0.9m.Other is identical with embodiment one.
Embodiment six: the difference of present embodiment and embodiment one is: flood filler 15 and be made up of in coke, gac, haydite, hard coal, rubble, gravel, zeolite, slag, porcelain ring, baton round, foam block, soft fiber, medium-soft fiber, waved plate, the perforated plate one or more; Flooding depth of packing is 1.5～3.5m.Other is identical with embodiment one.
Embodiment seven: the difference of present embodiment and embodiment one is: flood filler 15 and be coke, gac, haydite, hard coal, rubble, gravel, zeolite, slag, porcelain ring, baton round, foam block, soft fiber, medium-soft fiber, waved plate or perforated plate; Flooding depth of packing is 1.6～3.4m.Other is identical with embodiment one.
Embodiment eight: the difference of present embodiment and embodiment one is: flood filler 15 and be made up of coke, gac, haydite, hard coal, rubble, gravel, zeolite, slag, baton round, foam block and perforated plate; Flooding depth of packing is 2.0～3.3m.Other is identical with embodiment one.
Embodiment nine: the difference of present embodiment and embodiment one is: flood filler 15 and be made up of coke, gac, hard coal, gravel, zeolite, slag and baton round; Flooding depth of packing is 2.2～3.2m.Other is identical with embodiment one.
Embodiment ten: the difference of present embodiment and embodiment two is: the particle diameter of non-submersion filler 14 coke, gac, haydite, hard coal, rubble, gravel, zeolite, perlite, slag and peat is 2～15mm, and the diameter of porcelain ring, baton round is 10～20mm.Other is identical with embodiment two.
Embodiment 11: the difference of present embodiment and embodiment six is: flooding filler 15 coke, gac, haydite, hard coal, rubble, gravel, zeolite, scoriaceous particle diameter is 8～40mm, and the diameter of baton round is that 10～60mm, foam block are of a size of 20 * 20 * 20mm～50 * 50 * 50mm.Other is identical with embodiment six.
Embodiment 12: the difference of present embodiment and embodiment one is: the upper surface cladding thickness at biological contact oxidation pond is the soil layer of 0.1～0.2m, and soil property is a ventilation property non-cohesive soil preferably.Other is identical with embodiment one.
Present embodiment can prevent further that volatility from causing smelly organic pollutant and spilling in the air, keeps the humidity of non-submersion filler; Can plant the flowers and plants greening environment at the soil layer upper surface, soil layer and plant cause smelly organic pollutant to volatility simultaneously also the removal effect.
Embodiment 13: present embodiment semi-immersed saprobia catalytic oxidation sewage water treatment method carries out pre-treatment with sewage earlier and feeds the last collection and treatment water of semi-submergence type sewagte biological contacting oxidation prool again, the microorganism of its middle and upper part non-submersion filler 14 surface attachment is tamed through the cultivation that volatility in the sewage causes smelly organic pollutant, and the microorganism of flooding filler 15 surface attachment of bottom is through the cultivation domestication of sewage; The dissolved oxygen content of sewage remains 2.5～6.0mg/L in the biological contact oxidation pond; The residence time of sewage in flooding packing layer 2 is 2～12h, and second-stage treatment BOD-volumetric loading rate is 0.8～4.0kgBOD/m
3D, tertiary treatment BOD-volumetric loading rate is 0.12～0.25kgBOD/m
3D, the sewage height in biological contact oxidation pond is lower than non-submersion filler supporting layer 1 all the time.
Present embodiment non-submersion filler 14 all comes from the treatment sewage active sludge with the microorganism of flooding filler 15 surface attachment.Present embodiment can remove volatile low-molecular-weight fatty acid of distributing in the sewage, amine, ethers, halohydrocarbon and aliphatic, aromatic, heterocyclic nitrogen or sulphur compound etc. cause smelly organism, and clearance reaches 90%～99%.
Embodiment 14: the difference of present embodiment and embodiment 13 is: the sewage pre-treatment comprises grid processing, sand setting, heavy, coagulating sedimentation, filtration just, hold concurrently that oxygen is handled, in the anaerobic treatment one or more.Other is identical with embodiment 13.
Embodiment 15: the difference of present embodiment and embodiment 13 is: non-submersion filler 14 adopts asynchronous cultivation method for domesticating, synchronized culture method for domesticating or inoculation culture method for domesticating with the microorganism of flooding filler 15 surface attachment, and cultivating the domestication time is 0.5～3 month.Other is identical with embodiment 13.
Embodiment 16: the difference of present embodiment and embodiment 13 is: biological contact oxidation pond is that continuous aeration or intermittent aeration are 2.6～3.4mg/L with the dissolved oxygen content that keeps sewage in the biological contact oxidation pond.Other is identical with embodiment 13.
Embodiment 17: the difference of present embodiment and embodiment 13 is: in non-submersion packing layer 12, add nutritive medium with the humidity that keeps non-submersion filler 14 be 40%～95%, the pH value is 6～8.Other is identical with embodiment 13.
Nutritive medium in the present embodiment is the fresh liquid dung or the sewage of dilution, and usable acid, alkaline solution are regulated the pH value.
Embodiment 18: the difference of present embodiment and embodiment 13 is: the sewage current are upward flow, following to stream, lateral flow or radial flow; The residence time of sewage in flooding packing layer 2 is 2.5～11h.Other is identical with embodiment 13.
Embodiment 19: the difference of present embodiment and embodiment 13 is: partly flood the biological contact oxidation pond water outlet and enter the second pond precipitation, second pond is rectangular sedimentation tank, vertical sedimentation basin, radical sedimentation basin or inclined-plate clarifying basin.Other is identical with embodiment 13.
Embodiment 20: the difference of present embodiment and embodiment 13 is: the gas in the sewage pretreatment unit is imported biological contact oxidation pond by pipeline, import the pipeline air outlet and be lower than non-submersion filler supporting layer 1.Other is identical with embodiment 13.
Embodiment 21: in conjunction with Fig. 1 present embodiment is described, present embodiment is for down partly flooding biological contact oxidation pond to stream.Semi-submergence type sewagte biological contacting oxidation prool is divided into two portions up and down by non-submersion filler supporting layer 1 in the present embodiment, top is that the gac of 3～4mm and hard coal are formed, thickness is the non-submersion packing layer 12 of 0.5～1.2m by particle diameter, non-submersion filler 14 surface attachment have the volatility of distributing in sanitary sewage to cause smelly organic pollutant cultivation acclimated microorganism, comprise some genus bacillus, pseudomonas, acinetobacter calcoaceticus, thiobacillus, yeast, candidiasis, aspergillus tubigensis etc.; The bottom comprise form by the haydite of particle diameter 10～20mm, thickness be 2.0～3.0m flood packing layer 2, flooding filler 15 surface attachment has through sanitary sewage cultivation acclimated microorganism, comprises bacterium and microfaunas such as ciliate, nematode such as some genus bacillus, moving glue bacillus, pseudomonas, micrococci, colon bacillus, bacterium nitrobacter, nitrococcus; Sewage water inlet main 4 and sewage water inlet arm 5 are at the top of flooding packing layer 2, the aperture of sewage water inlet arm 5 water outlet 5-1 is less than the particle diameter that floods filler 15, have aerating apparatus 9 flooding filler supporting layer 3, and be the soil layer 13 of 0.1～0.2m at the upper surface cladding thickness of biological contact oxidation pond.
The domestication of microorganism synchronized culture is 0.5～1 month in the present embodiment; When the dissolution of contaminated water oxygen level was lower than 2.5mg/L in the biological contact oxidation pond, carrying out aeration, to make the dissolution of contaminated water oxygen level be 2.5～5.0mg/L; Enter biological contact oxidation pond through pretreated sanitary sewage employing by sewage water inlet main 4 and sewage water inlet arm 5, the sewage current are down to stream, the residence time of sewage in flooding filler is 2～6h, and the height of sewage in biological contact oxidation pond is lower than non-submersion filler supporting layer 1 all the time; Treating water 10 is discharged by rising pipe 6 through the catchment area, and the mud of pond bottom sediments is discharged by shore pipe 7; The nutritive medium that in non-submersion packing layer 12, adds the fresh liquid dung of 15～25 times of dilutions and acid, alkaline solution configuration with the humidity that keeps non-submersion filler 14 be 40%～95%, the pH value is 6～8 and the wherein required nutrition of microorganism.The volatility of distributing in the present embodiment sanitary sewage causes smelly organic pollutant removal rate and reaches 90～99%.
Embodiment 22: in conjunction with Fig. 2 present embodiment is described, present embodiment be radial flow partly flood biological contact oxidation pond.Semi-submergence type sewagte biological contacting oxidation prool is divided into two portions up and down by non-submersion filler supporting layer 1 in the present embodiment, top is that the gac of 3～4mm and hard coal are formed, thickness is the non-submersion packing layer 12 of 0.5～1.2m by particle diameter, non-submersion filler 14 surface attachment have the volatility of distributing in food processing wastewater to cause smelly organic pollutant cultivation acclimated microorganism, comprise some genus bacillus, pseudomonas, acinetobacter calcoaceticus, thiobacillus, yeast, candidiasis, aspergillus tubigensis etc.; The bottom comprise form by the haydite of particle diameter 10～20mm, thickness be 2.0～3.5m flood packing layer 2, rising pipe 6 and filtering net 16, flooding filler 15 surface attachment has through food processing wastewater and cultivates acclimated microorganism, comprises microfaunas such as bacterium such as some genus bacillus, moving glue bacillus, pseudomonas, micrococci, colon bacillus, bacterium nitrobacter, nitrococcus and ciliate; Sewage water inlet main 4 and sewage water inlet arm 5 are at the edge that floods packing layer 2, filtering net 16 crosses catchment area 10 in the central authorities of flooding packing layer 2, rising pipe 6 stretches into catchment area 10, the aperture of sewage water inlet arm 5 water outlet 5-1 is less than the particle diameter that floods filler 15, have aerating apparatus 9 flooding filler supporting layer 3, and be the soil layer 13 of 0.1～0.2m at the upper surface cladding thickness of biological contact oxidation pond.
Microbial inoculant is cultivated domestication 0.5～1.5 month in the present embodiment; When the dissolution of contaminated water oxygen level was lower than 2.5mg/L in the biological contact oxidation pond, carrying out aeration, to make the dissolution of contaminated water oxygen level be 2.5～6.0mg/L; Enter biological contact oxidation pond through pretreated food processing wastewater employing by sewage water inlet main 4 and sewage water inlet arm 5, the sewage current are radial flow, the residence time of sewage in flooding filler is 3～12h, and the height of sewage in biological contact oxidation pond is lower than non-submersion filler supporting layer 1 all the time; Treating water 10 is discharged by rising pipe 6 through the catchment area, and the mud of pond bottom sediments is discharged by shore pipe 7; The nutritive medium that in non-submersion packing layer 12, adds the sanitary sewage of 10～20 times of dilutions and acid, alkaline solution configuration with the humidity that keeps non-submersion filler 14 be 40%～95%, the pH value is 6～8 and the wherein required nutrition (as nitrogen, phosphorus etc.) of microorganism.Present embodiment causes smelly organic pollutant removal rate to the volatility of distributing in the food processing wastewater and reaches 90～98%.
Embodiment 23: in conjunction with Fig. 3 present embodiment is described, present embodiment be upward flow partly flood biological contact oxidation pond.Semi-submergence type sewagte biological contacting oxidation prool is divided into two portions up and down by non-submersion filler supporting layer 1 in the present embodiment, top is that the coke of 3～5mm is formed, thickness is the non-submersion packing layer 12 of 0.5～1.2m by particle diameter, non-submersion filler 14 surface attachment have the volatility of distributing in brewage waste water to cause smelly organic pollutant cultivation acclimated microorganism, comprise some genus bacillus, pseudomonas, acinetobacter calcoaceticus, thiobacillus, yeast, candidiasis, aspergillus tubigensis etc.; The bottom comprise form by the gravel of particle diameter 10～20mm, thickness be 2.0～3.0m flood packing layer 2, flooding filler 15 surface attachment has through brewage waste water cultivation acclimated microorganism, comprises bacterium and microfaunas such as ciliate, nematode such as some genus bacillus, moving glue bacillus, pseudomonas, micrococci, colon bacillus, bacterium nitrobacter, nitrococcus; Sewage water inlet main 4 and sewage water inlet arm 5 are in the bottom of flooding packing layer 2, the aperture of sewage water inlet arm 5 water outlet 5-1 is less than the particle diameter that floods filler 15, have aerating apparatus 9 flooding filler supporting layer 3, and be the soil layer 13 of 0.1～0.2m at the upper surface cladding thickness of biological contact oxidation pond.
The domestication of microorganism synchronized culture is 0.5～1.5 month in the present embodiment; When the dissolution of contaminated water oxygen level was lower than 2.5mg/L in the biological contact oxidation pond, carrying out aeration, to make the dissolution of contaminated water oxygen level be 2.5～4.5mg/L; Enter biological contact oxidation pond through pretreated brewage waste water employing by sewage water inlet main 4 and sewage water inlet arm 5, the sewage current are upward flow, the residence time of sewage in flooding filler is 4～10h, and the height of sewage in biological contact oxidation pond is lower than non-submersion filler supporting layer 1 all the time; Treating water is discharged by rising pipe 6, and the mud of pond bottom sediments is discharged by shore pipe 7; The nutritive medium that in non-submersion packing layer 12, adds the sanitary sewage of 15～20 times of dilutions and acid, alkaline solution configuration with the humidity that keeps non-submersion filler 14 be 40%～95%, the pH value is 6～8 and the wherein required nutrition of microorganism.Present embodiment causes smelly organic pollutant removal rate to the volatility of distributing in the brewage waste water and reaches 90～97%.
Embodiment 24: present embodiment is described in conjunction with Fig. 4, present embodiment be lateral flow partly flood biological contact oxidation pond, the semi-submergence type sewagte biological contacting oxidation prool cross section is a rectangle or trapezoidal in the present embodiment, vertically be divided into two portions up and down by non-submersion filler supporting layer 1, top is to be the gac of 3～4mm by particle diameter, hard coal and rubble are formed, thickness is the non-submersion packing layer 12 of 0.5～1.2m, non-submersion filler 14 surface attachment have the volatility of distributing in sanitary sewage to cause smelly organic pollutant cultivation acclimated microorganism, comprise some genus bacillus, pseudomonas, acinetobacter calcoaceticus, thiobacillus, yeast, candidiasis, aspergillus tubigensis etc.; The bottom comprise form by the haydite of particle diameter 10～20mm, rubble, thickness be 2.0～3.5m flood packing layer 2 and filtering net 16, flooding filler 15 surface attachment has through sanitary sewage cultivation acclimated microorganism, comprises bacterium and microfaunas such as ciliate, nematode such as some genus bacillus, moving glue bacillus, pseudomonas, micrococci, colon bacillus, bacterium nitrobacter, nitrococcus; Sewage water inlet main 4 and sewage water inlet arm 5 are flooding a side of packing layer 2, filtering net 16 is at the opposite side that floods packing layer 2, the aperture of sewage water inlet arm 5 water outlet 5-1 is less than the particle diameter that floods filler 15, have aerating apparatus 9 flooding filler supporting layer 3, and be the soil layer 13 of 0.1～0.2m at the upper surface cladding thickness of biological contact oxidation pond.
Asynchronous microbiological is cultivated domestication 0.5～1 month in the present embodiment; When the dissolution of contaminated water oxygen level was lower than 2.5mg/L in the biological contact oxidation pond, carrying out aeration, to make the dissolution of contaminated water oxygen level be 2.5～6.0mg/L; Enter biological contact oxidation pond through pretreated sanitary sewage employing by sewage water inlet main 4 and sewage water inlet arm 5, the sewage current are lateral flow, the residence time of sewage in flooding filler is 4～10h, and the height of sewage in biological contact oxidation pond is lower than non-submersion filler supporting layer 1 all the time; Treating water is discharged by rising pipe 6 through filter screen 16, and the mud of pond bottom sediments is discharged by shore pipe 7; The nutritive medium that in non-submersion packing layer 12, adds the fresh liquid dung of 15～25 times of dilutions and acid, alkaline solution configuration with the humidity that keeps non-submersion filler 14 be 40%～95%, the pH value is 6～8 and the wherein required nutrition of microorganism.Present embodiment causes smelly organic pollutant removal rate to volatility in the sanitary sewage and reaches 90～98%.
Claims (10)
1, semi-submergence type sewagte biological contacting oxidation prool, it is characterized in that semi-submergence type sewagte biological contacting oxidation prool is divided into two portions up and down by non-submersion filler supporting layer (1), top is non-submersion packing layer (12), non-submersion filler (14) surface attachment has the volatility of distributing in sewage to cause smelly organic pollutant cultivation acclimated microorganism, the bottom comprises floods packing layer (2), aerating apparatus (9), sewage water feed apparatus and treating water discharging device, and flooding filler (15) surface attachment has through sewage cultivation acclimated microorganism; The height of water inlet of biological contact oxidation pond sewage and discharging device is lower than non-submersion filler supporting layer (1).
2, semi-submergence type sewagte biological contacting oxidation prool according to claim 1 is characterized in that non-submersion filler (14) is made up of in coke, gac, haydite, hard coal, rubble, gravel, zeolite, perlite, peat, wood chip, wood shavings, bamboo bits, sand, slag, porcelain ring, baton round, broken shell, textile fibres, the sponge one or more; The thickness of non-submersion filler is 0.5～1.2m.
3, semi-submergence type sewagte biological contacting oxidation prool according to claim 1 is characterized in that flooding filler (15) and is made up of in coke, gac, haydite, hard coal, rubble, gravel, zeolite, slag, porcelain ring, baton round, foam block, soft fiber, medium-soft fiber, waved plate, the perforated plate one or more; Flooding depth of packing is 1.5～3.5m.
4, semi-submergence type sewagte biological contacting oxidation prool according to claim 2, the particle diameter that it is characterized in that non-submersion filler (14) coke, gac, haydite, hard coal, rubble, gravel, zeolite, perlite, slag, broken shell and peat is 2～15mm, and the diameter of porcelain ring, baton round is 10～20mm.
5, semi-submergence type sewagte biological contacting oxidation prool according to claim 3, it is characterized in that flooding filler (15) coke, gac, haydite, hard coal, rubble, gravel, zeolite, scoriaceous particle diameter is 8～40mm, and the diameter of baton round is that 10～60mm, foam block are of a size of 20 * 20 * 20mm～50 * 50 * 50mm.
6, semi-submergence type sewagte biological contacting oxidation prool according to claim 1 is characterized in that the upper surface cladding thickness at biological contact oxidation pond is the soil layer of 0.1～0.2m.
7, semi-immersed saprobia catalytic oxidation sewage water treatment method, semi-immersed saprobia catalytic oxidation sewage water treatment method carries out pre-treatment with sewage earlier and feeds the last collection and treatment water of semi-submergence type sewagte biological contacting oxidation prool again, the microorganism that it is characterized in that top non-submersion filler (14) surface attachment is tamed through the cultivation that volatility in the sewage causes smelly organic pollutant, and the microorganism of flooding filler (15) surface attachment of bottom is through the cultivation domestication of sewage; The dissolved oxygen content of sewage remains 2.5～6.0mg/L in the biological contact oxidation pond; The residence time of sewage in flooding packing layer (2) is 2～12h, and the height of sewage in biological contact oxidation pond is lower than non-submersion filler supporting layer (1) all the time.
8, semi-immersed saprobia catalytic oxidation sewage water treatment method according to claim 7, the microorganism that it is characterized in that non-submersion filler (14) and flood filler (15) surface attachment is adopted asynchronous cultivation method for domesticating, synchronized culture method for domesticating or inoculation culture method for domesticating, and cultivating the domestication time is 0.5～3 month.
9, semi-immersed saprobia catalytic oxidation sewage water treatment method according to claim 7, it is characterized in that in non-submersion packing layer (12) adding nutritive medium with the humidity that keeps non-submersion filler (14) be 40%～95%, the pH value is 6～8.
10, semi-immersed saprobia catalytic oxidation sewage water treatment method according to claim 7 is characterized in that the sewage current are upward flow, following to stream, lateral flow or radial flow; The residence time of sewage in flooding packing layer (2) is 4～10h.
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| CN2157189Y (en) * | 1992-12-16 | 1994-02-23 | 宜兴市屺亭第六环保设备厂 | Improved biologic contact oxidizing bath |
| CN2507858Y (en) * | 2001-10-31 | 2002-08-28 | 李洪旺 | Integral sewage treating device |
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| CN102639449A (en) * | 2009-09-04 | 2012-08-15 | 威立雅水务技术支持公司 | Packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes |
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| CN105585121A (en) * | 2016-02-03 | 2016-05-18 | 安徽乙地生态科技有限公司 | Unit-type bionic oxygen-carrying technological sewage purification device |
| CN106047854A (en) * | 2016-07-20 | 2016-10-26 | 申昱环保科技股份有限公司 | Preparation method of sewage treatment bactericide with rod-shaped activated carbon |
| CN108002524A (en) * | 2017-11-23 | 2018-05-08 | 浙江海洋大学 | A kind of modified biological aerated filter compounded mix and preparation method thereof |
| CN108002524B (en) * | 2017-11-23 | 2020-11-10 | 浙江海洋大学 | Modified aeration biological filter composite filler and preparation method thereof |
| CN108986947A (en) * | 2018-08-17 | 2018-12-11 | 西南科技大学 | A kind of combined type uranium-bearing low level waste water cleaning treatment system and processing method |
| CN111875050A (en) * | 2020-08-07 | 2020-11-03 | 华夏碧水环保科技有限公司 | Contact oxidation reactor |
| CN112807950A (en) * | 2020-12-25 | 2021-05-18 | 首创爱华(天津)市政环境工程有限公司 | Biological deodorization method for sewage plant |
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| CN100410186C (en) | 2008-08-13 |
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