CN103332833A - Anaerobic granular sludge expanded bed-gravity flow membrane filter sewage treatment system and method utilizing same to treat sewage - Google Patents
Anaerobic granular sludge expanded bed-gravity flow membrane filter sewage treatment system and method utilizing same to treat sewage Download PDFInfo
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Abstract
The invention relates to an anaerobic granular sludge expanded bed-gravity flow membrane filter sewage treatment system and a method utilizing the same to treat the sewage. The invention relates to a sewage and waste water treatment system and a method utilizing the same to treat the sewage, which aims at solving the problems of the aerobic active sludge process of the existing sewage treatment plant that the energy consumption is high, the floor occupied area is large and the energy recycling is poor. The system consists of a water inlet pipe, a sewage lifting pump, a water inlet valve, a water inlet flow meter, a high-level water tank, a floating ball valve constant-level device, an anaerobic granular sludge expanded bed, a sludge discharging valve, a three-phase separator, an inner cycling pipe, an inner cycling flow meter, an inner cycling pump, a wet-type flow meter, a backflow pipe, a backflow pump, a backflow valve, a backflow flow meter, a constant-level overflowing device, a gravity-flow membrane filter device, a membrane assembly and a water outlet flow meter. The system is low in energy consumption, small in floor occupied area and high in energy recycling capacity. The system is used for treating the domestic sewage and the industrial waste water.
Description
Technical field
The present invention relates to sewage and wastewater treatment system and utilize the method for this system handles sewage.
Background technology
The treatment process that the most sewage work of China adopts is aerobic activated sludge process, and this method is handled the energy consumption height of municipal wastewater, and floor space is big, runs counter to the energy-saving and emission-reduction of China and the national conditions of land used anxiety; Simultaneously, along with the emission standard of trade effluent is more and more stricter, dirty wastewater zero discharge has become the target of each enterprise.Therefore, be the problem that municipal wastewater or trade effluent all are faced with the energy and resource recovery in the problem that improves the sewage effluent quality and the treating processes.Under such national conditions and background, research and develop novel dirty waste water treatment process and have bigger meaning.The little energy that Anaerobic Microbiological Treatment Technology is not only obtained from the external world also can produce a part of energy gas simultaneously, as: methane and hydrogen etc.Through converting, the COD of every removal 1kg can produce 0.35m
3Methane, the synthetic about 21-23MJ/m of thermal value
3Therefore, be that the dirty waste water treatment process of core has a good application prospect and is worth with the High-efficient Anaerobic Technology.
The emission standard of dirty waste water is more and more stricter to make the independent use of anaerobic technique be difficult to reach emission standard, and therefore, it is imperative that anaerobic treatment combines with other aftertreatment technologys.21 century is the epoch of membrane science and technology, and particulate matter, microorganism, bacterium, colloid and larger molecular organics etc. in the efficient trap water of membrane treatment process energy have replaced the effect of sewage work second pond unit.Therefore, the selective membrane filtering technique is that the aftertreatment technology of anaerobic treatment process has good advantage and prospect.
Summary of the invention
The present invention will solve energy consumption height in the aerobic activated sludge process technology of existing sewage work, floor space is big and the problem of energy recovery difference, and the sewage and wastewater treatment system of anaerobic grain sludge expanded bed-gravity streaming membrane filtration is provided and utilizes the method for this system handles sewage.
The sewage and wastewater treatment system of anaerobic grain sludge expanded bed-gravity streaming membrane filtration, this system is made up of water inlet pipe, sewage pump, inlet valve, flooding velocity meter, elevated tank, the permanent position of float(ing)valve device, anaerobic grain sludge expanded bed, spoil disposal valve, triphase separator, inner circulating tube, internal recycle under meter, internal circulation pump, wet flow indicator, return line, reflux pump, return valve, return flow meter, permanent position overflow device, gravity streaming membrane filter appts, membrane module and water flow meter;
Wherein water inlet pipe is communicated with elevated tank, on water inlet pipe, set gradually sewage pump according to water (flow) direction, inlet valve and flooding velocity meter, elevated tank is communicated with the permanent position of float(ing)valve device, the water outlet of the permanent position of float(ing)valve device is communicated with anaerobic grain sludge expanded bed water-in, the anaerobic grain sludge expanded bed is divided into clear water zone and mud district, the lower end in mud district is provided with mud discharging mouth and spoil disposal valve, be provided with triphase separator between clear water zone and the mud district, the air outlet of the air outlet of triphase separator and anaerobic grain sludge expanded bed all is communicated with wet flow indicator, two water outlets are set in the lower end of clear water zone, wherein first water outlet is communicated with by return line with the water-in of anaerobic grain sludge expanded bed, on return line, set gradually reflux pump according to water (flow) direction, return valve and return flow meter, second water outlet of clear water zone is communicated with permanent position overflow device water-in, overflow device upper end, permanent position is provided with overflow port, overflow device lower end, permanent position water outlet is communicated with gravity streaming membrane filter appts water-in, gravity streaming membrane filter appts inside is provided with membrane module, gravity streaming membrane filter appts is provided with two water outlets, wherein first water outlet is communicated with by inner circulating tube with the water-in of anaerobic grain sludge expanded bed, set gradually internal recycle under meter and internal circulation pump according to water (flow) direction on inner circulating tube, gravity streaming membrane filter appts second water outlet is provided with the water flow meter.
The method of utilizing the sewage and wastewater treatment system of anaerobic grain sludge expanded bed-gravity streaming membrane filtration to dispose of sewage, specifically carry out according to following steps:
Sewage enters elevated tank by sewage pump through the flooding velocity meter, enters the permanent position of float(ing)valve device by elevated tank again, enters the anaerobic grain sludge expanded bed then, and by the triphase separator water outlet in the anaerobic grain sludge expanded bed;
Part water enters the anaerobic grain sludge expanded bed by first water outlet again through reflux pump, return valve and return flow meter; Another part water enters permanent position overflow device by second water outlet, enter gravity streaming membrane filter appts again, filter by membrane module, part water enters the anaerobic grain sludge expanded bed again through internal recycle under meter and internal circulation pump, outside another part water discharge system, finish the method that the sewage and wastewater treatment system that utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration is disposed of sewage;
Wherein the gas that fermentation produces in the anaerobic grain sludge expanded bed is discharged collection by the air outlet of anaerobic grain sludge expanded bed and the air outlet of triphase separator through wet flow indicator; Excess sludge in the anaerobic grain sludge expanded bed is discharged by mud discharging mouth.
Native system is combined by anaerobic grain sludge expanded bed (EGSB) and gravity streaming membrane filter unit (GDM), dirty waste water carries out organic acidication and anaerobically fermenting by the EGSB reactor earlier, and collects methane and the hydrogen equal energy source gas that produces in the reactor; The anaerobism water outlet enters the ultrafiltration membrance filter unit by action of gravity, and particulate matter, microorganism, bacterium, colloid and larger molecular organics etc. are held back and removed, and water outlet can be discharged or reuse.
The particle diameter control granule sludge particle size range of the carrier of anaerobic grain sludge expanded bed of the present invention inside is 0.5mm～3mm; Membrane module regularly carries out waterpower and cleans, and it is 0.3～1 time/month that waterpower is cleaned the frequency.
The invention has the beneficial effects as follows:
1, owing to adopt anaerobic reactor efficiently, the residence time of Sewage treatment systems shortens greatly.
2, the present invention introduces the ultrafiltration membrance filter unit, the particle in the anaerobism water outlet, microorganism, bacterium, colloid and macromolecular organism almost all can be held back, and improves dirty wastewater effluent water quality greatly.Simultaneously, the backflow effect has improved the residence time of anaerobic sludge.
3, membrane filter unit has replaced the second pond of traditional wastewater factory, has therefore reduced the floor space of Sewage treatment systems, makes the total system compact construction.
4, the energy consumption of process system is lower, and produces available energy gas.
5, the membrane filter unit among the present invention adopts the constant voltage water-out manners of gravity streaming, can save the part energy consumption.And process is washed in non-recoil, reduces the complexity of film system operation greatly.
The present invention is for the treatment of sewage.
Description of drawings
Fig. 1 is the synoptic diagram of the sewage and wastewater treatment system of anaerobic grain sludge expanded bed of the present invention-gravity streaming membrane filtration.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: the sewage and wastewater treatment system of present embodiment anaerobic grain sludge expanded bed-gravity streaming membrane filtration is by water inlet pipe 1, sewage pump 1-1, inlet valve 1-2, flooding velocity meter 1-3, elevated tank 2, the permanent position of float(ing)valve device 3, anaerobic grain sludge expanded bed 4, spoil disposal valve 5, triphase separator 6, inner circulating tube 7, internal recycle under meter 7-1, internal circulation pump 7-2, wet flow indicator 8, return line 9, reflux pump 9-1, return valve 9-2, return flow meter 9-3, permanent position overflow device 11, gravity streaming membrane filter appts 12, membrane module 13 and water flow meter 15 are formed;
Wherein water inlet pipe 1 is communicated with elevated tank 2, on water inlet pipe 1, set gradually sewage pump 1-1 according to water (flow) direction, inlet valve 1-2 and flooding velocity meter 1-3, elevated tank 2 is communicated with the permanent position of float(ing)valve device 3, the water outlet 3-1 of the permanent position of float(ing)valve device 3 is communicated with anaerobic grain sludge expanded bed 4 water-in 4-4, anaerobic grain sludge expanded bed 4 is divided into clear water zone 4-6 and mud district 4-7, the lower end of mud district 4-7 is provided with mud discharging mouth 4-3 and spoil disposal valve 5, be provided with triphase separator 6 between clear water zone 4-6 and the mud district 4-7, the air outlet 6-1 of triphase separator 6 and the air outlet 4-5 of anaerobic grain sludge expanded bed 4 are communicated with wet flow indicator 8, two water outlets are set in the lower end of clear water zone 4-6, wherein the first water outlet 4-1 is communicated with by return line 9 with the water-in 4-4 of anaerobic grain sludge expanded bed 4, on return line 9, set gradually reflux pump 9-1 according to water (flow) direction, return valve 9-2 and return flow meter 9-3, the second water outlet 4-2 of clear water zone 4-6 is communicated with permanent position overflow device 11 water-in 11-1, overflow device 11 upper ends, permanent position are provided with overflow port 11-3, permanent position overflow device 11 lower end water outlet 11-2 are communicated with gravity streaming membrane filter appts 12 water-in 12-1, gravity streaming membrane filter appts 12 inside are provided with membrane module 13, gravity streaming membrane filter appts 12 is provided with two water outlets, wherein the first water outlet 12-2 is communicated with by inner circulating tube 7 with the water-in 4-4 of anaerobic grain sludge expanded bed 4, set gradually internal recycle under meter 7-1 and internal circulation pump 7-2 according to water (flow) direction on inner circulating tube 7, gravity streaming membrane filter appts 12 second water outlet 12-3 are provided with water flow meter 15.
Embodiment two: what present embodiment and embodiment one were different is: the carrier of 4-7 inside, anaerobic grain sludge expanded bed 4 mud district is powder activated carbon, grain active carbon or zeolite, and the control particle diameter is 0.1mm～2mm.Other is identical with embodiment one.
Embodiment three: what present embodiment and embodiment one were different is: the material of membrane module 13 is polyvinylidene difluoride (PVDF), polyvinyl chloride, polyethersulfone, polyacrylonitrile or polypropylene ultra-filtration membrane; The film hole diameter of membrane module 13 is 0.01 μ m～0.1 μ m; Membrane module 13 is shaped as flat or the tubular fibre formula.Other is identical with embodiment one.
Embodiment four: what present embodiment and embodiment one were different is: the difference in level between permanent position overflow device 11 and the gravity streaming membrane filter appts 12 is H, and the scope of H is 0.5m～4m.Other is identical with embodiment one.
Embodiment five: what present embodiment and embodiment one were different is: the backflow direction for from gravity streaming membrane filter appts 12 to anaerobic grain sludge expanded bed 4.Other is identical with embodiment one.
Embodiment six: the method for utilizing the sewage and wastewater treatment system of embodiment one described anaerobic grain sludge expanded bed-gravity streaming membrane filtration to dispose of sewage, specifically carry out according to following steps:
Sewage enters elevated tank 2 by sewage pump 1-1 through flooding velocity meter 1-3, enters the permanent position of float(ing)valve device 3 by elevated tank 2 again, enters anaerobic grain sludge expanded bed 4 then, and by triphase separator 6 water outlets in the anaerobic grain sludge expanded bed 4;
Part water enters anaerobic grain sludge expanded bed 4 by the first water outlet 4-1 again through reflux pump 9-1, return valve 9-2 and return flow meter 9-3; Another part water enters permanent position overflow device 11 by the second water outlet 4-2, enter gravity streaming membrane filter appts 12 again, filter by membrane module 13, part water enters anaerobic grain sludge expanded bed 4 again through internal recycle under meter 7-1 and internal circulation pump 7-2, outside another part water discharge system, finish the method that the sewage and wastewater treatment system that utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration is disposed of sewage;
Wherein the gas that fermentation produces in anaerobic grain sludge expanded bed 4 is discharged collection by the air outlet 4-5 of anaerobic grain sludge expanded bed 4 and the air outlet 6-1 of triphase separator 6 through wet flow indicator 8; Excess sludge in anaerobic grain sludge expanded bed 4 is discharged by mud discharging mouth 4-3.
Embodiment seven: what present embodiment and embodiment six were different is: the upflow velocity of water is 1m/h～15m/h in the reflux pump 9-1 control anaerobic grain sludge expanded bed 4.Other is identical with embodiment six.
Embodiment eight: what present embodiment and embodiment six were different is: the hydraulic detention time of anaerobic grain sludge expanded bed 4 is 2h～10h, and the dissolved oxygen concentration in the anaerobic grain sludge expanded bed 4 is 0mg/L～1mg/L.Other is identical with embodiment six.
Embodiment nine: what present embodiment and embodiment six were different is: the filtration flux of gravity streaming membrane filter appts 12 internal membrane assemblies 13 is 5L/m
2H～30L/m
2H.Other is identical with embodiment six.
Embodiment ten: what present embodiment and embodiment six were different is: the hydraulic detention time of gravity streaming membrane filter appts 12 is 0.5h～2h, and the dissolved oxygen concentration in the gravity streaming membrane filter appts 12 is 0mg/L～1mg/L.Other is identical with embodiment six.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment one:
The sewage and wastewater treatment system of present embodiment anaerobic grain sludge expanded bed-gravity streaming membrane filtration, this system is by water inlet pipe 1, sewage pump 1-1, inlet valve 1-2, flooding velocity meter 1-3, elevated tank 2, the permanent position of float(ing)valve device 3, anaerobic grain sludge expanded bed 4, spoil disposal valve 5, triphase separator 6, inner circulating tube 7, internal recycle under meter 7-1, internal circulation pump 7-2, wet flow indicator 8, return line 9, reflux pump 9-1, return valve 9-2, return flow meter 9-3, permanent position overflow device 11, gravity streaming membrane filter appts 12, membrane module 13 and water flow meter 15 are formed;
Wherein water inlet pipe 1 is communicated with elevated tank 2, on water inlet pipe 1, set gradually sewage pump 1-1 according to water (flow) direction, inlet valve 1-2 and flooding velocity meter 1-3, elevated tank 2 is communicated with the permanent position of float(ing)valve device 3, the water outlet 3-1 of the permanent position of float(ing)valve device 3 is communicated with anaerobic grain sludge expanded bed 4 water-in 4-4, anaerobic grain sludge expanded bed 4 is divided into clear water zone 4-6 and mud district 4-7, the lower end of mud district 4-7 is provided with mud discharging mouth 4-3 and spoil disposal valve 5, be provided with triphase separator 6 between clear water zone 4-6 and the mud district 4-7, the air outlet 6-1 of triphase separator 6 and the air outlet 4-5 of anaerobic grain sludge expanded bed 4 are communicated with wet flow indicator 8, two water outlets are set in the lower end of clear water zone 4-6, wherein the first water outlet 4-1 is communicated with by return line 9 with the water-in 4-4 of anaerobic grain sludge expanded bed 4, on return line 9, set gradually reflux pump 9-1 according to water (flow) direction, return valve 9-2 and return flow meter 9-3, the second water outlet 4-2 of clear water zone 4-6 is communicated with permanent position overflow device 11 water-in 11-1, overflow device 11 upper ends, permanent position are provided with overflow port 11-3, permanent position overflow device 11 lower end water outlet 11-2 are communicated with gravity streaming membrane filter appts 12 water-in 12-1, gravity streaming membrane filter appts 12 inside are provided with membrane module 13, gravity streaming membrane filter appts 12 is provided with two water outlets, wherein the first water outlet 12-2 is communicated with by inner circulating tube 7 with the water-in 4-4 of anaerobic grain sludge expanded bed 4, set gradually internal recycle under meter 7-1 and internal circulation pump 7-2 according to water (flow) direction on inner circulating tube 7, gravity streaming membrane filter appts 12 second water outlet 12-3 are provided with water flow meter 15.
The method of utilizing said system to dispose of sewage, specifically carry out according to following steps:
Sewage enters elevated tank 2 by sewage pump 1-1 through flooding velocity meter 1-3, enters the permanent position of float(ing)valve device 3 by elevated tank 2 again, enters anaerobic grain sludge expanded bed 4 then, and by triphase separator 6 water outlets in the anaerobic grain sludge expanded bed 4;
Part water enters anaerobic grain sludge expanded bed 4 by the first water outlet 4-1 again through reflux pump 9-1, return valve 9-2 and return flow meter 9-3; Another part water enters permanent position overflow device 11 by the second water outlet 4-2, enter gravity streaming membrane filter appts 12 again, filter by membrane module 13, part water enters anaerobic grain sludge expanded bed 4 again through internal recycle under meter 7-1 and internal circulation pump 7-2, outside another part water discharge system, finish the method that the sewage and wastewater treatment system that utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration is disposed of sewage;
Wherein the gas that fermentation produces in anaerobic grain sludge expanded bed 4 is discharged collection by the air outlet 4-5 of anaerobic grain sludge expanded bed 4 and the air outlet 6-1 of triphase separator 6 through wet flow indicator 8; Excess sludge in anaerobic grain sludge expanded bed 4 is discharged by mud discharging mouth 4-3.
The water distribution of manual simulation's sewage is adopted in system's water inlet in the present embodiment, it is as follows to fill a prescription: glucose, sodium acetate, sodium bicarbonate, ammonium chloride, potassium primary phosphate and trace element make that the sewage of allotting is following condition of water quality: COD-400mg/L, TN-40mg/L, TP-5mg/L, pH:7.5-8.0
The mud of anaerobic grain sludge expanded bed 4 inoculations is anaerobic grain sludge, and concentration is 10g/L.The hydraulic detention time HRT that adopts is 4h, and dissolved oxygen DO controls at 0.4～0.8mg/L.
Membrane module 13 adopts polyethersulfone (PES) flat sheet membrane, and membrane flux adopts 10L/m
2H, residence time 6h.
The effluent quality that present embodiment is disposed of sewage such as following table:
Claims (10)
1. the sewage and wastewater treatment system of anaerobic grain sludge expanded bed-gravity streaming membrane filtration is characterized in that this system is by water inlet pipe (1), sewage pump (1-1), inlet valve (1-2), flooding velocity meter (1-3), elevated tank (2), the permanent position of float(ing)valve device (3), anaerobic grain sludge expanded bed (4), spoil disposal valve (5), triphase separator (6), inner circulating tube (7), internal recycle under meter (7-1), internal circulation pump (7-2), wet flow indicator (8), return line (9), reflux pump (9-1), return valve (9-2), return flow meter (9-3), permanent position overflow device (11), gravity streaming membrane filter appts (12), membrane module (13) and water flow meter (15) are formed;
Wherein water inlet pipe (1) is communicated with elevated tank (2), upward set gradually sewage pump (1-1) according to water (flow) direction at water inlet pipe (1), inlet valve (1-2) and flooding velocity meter (1-3), elevated tank (2) is communicated with float(ing)valve permanent position device (3), the water outlet (3-1) of float(ing)valve permanent position device (3) is communicated with anaerobic grain sludge expanded bed (4) water-in (4-4), anaerobic grain sludge expanded bed (4) is divided into clear water zone (4-6) and mud district (4-7), the lower end in mud district (4-7) is provided with mud discharging mouth (4-3) and spoil disposal valve (5), be provided with triphase separator (6) between clear water zone (4-6) and mud district (4-7), the air outlet (6-1) of triphase separator (6) and the air outlet (4-5) of anaerobic grain sludge expanded bed (4) all are communicated with wet flow indicator (8), in the lower end of clear water zone (4-6) two water outlets are set, wherein first water outlet (4-1) is communicated with by return line (9) with the water-in (4-4) of anaerobic grain sludge expanded bed (4), upward set gradually reflux pump (9-1) according to water (flow) direction at return line (9), return valve (9-2) and return flow meter (9-3), second water outlet (4-2) of clear water zone (4-6) is communicated with permanent position overflow device (11) water-in (11-1), permanent position overflow device (11) upper end is provided with overflow port (11-3), permanent position overflow device (11) lower end water outlet (11-2) is communicated with gravity streaming membrane filter appts (12) water-in (12-1), gravity streaming membrane filter appts (12) inside is provided with membrane module (13), gravity streaming membrane filter appts (12) is provided with two water outlets, wherein first water outlet (12-2) is communicated with by inner circulating tube (7) with the water-in (4-4) of anaerobic grain sludge expanded bed (4), upward set gradually internal recycle under meter (7-1) and internal circulation pump (7-2) according to water (flow) direction at inner circulating tube (7), gravity streaming membrane filter appts (12) second water outlets (12-3) are provided with water flow meter (15).
2. the sewage and wastewater treatment system of anaerobic grain sludge expanded bed according to claim 1-gravity streaming membrane filtration; it is characterized in that the inner carrier in anaerobic grain sludge expanded bed (4) mud district (4-7) is powder activated carbon, grain active carbon or zeolite, the control particle diameter is 0.1mm～2mm.
3. the sewage and wastewater treatment system of anaerobic grain sludge expanded bed according to claim 1-gravity streaming membrane filtration, the material that it is characterized in that membrane module (13) is polyvinylidene difluoride (PVDF), polyvinyl chloride, polyethersulfone, polyacrylonitrile or polypropylene ultra-filtration membrane; The film hole diameter of membrane module (13) is 0.01 μ m～0.1 μ m; Membrane module (13) is shaped as flat or the tubular fibre formula.
4. the sewage and wastewater treatment system of anaerobic grain sludge expanded bed according to claim 1-gravity streaming membrane filtration, it is characterized in that the difference in level between permanent position overflow device (11) and the gravity streaming membrane filter appts (12) is H, the scope of H is 0.5m～4m.
5. the sewage and wastewater treatment system of anaerobic grain sludge expanded bed according to claim 1-gravity streaming membrane filtration, the direction that it is characterized in that refluxing for from gravity streaming membrane filter appts (12) to anaerobic grain sludge expanded bed (4).
6. the method for utilizing the sewage and wastewater treatment system of the described anaerobic grain sludge expanded bed of claim 1-gravity streaming membrane filtration to dispose of sewage, the method that it is characterized in that utilizing the sewage and wastewater treatment system of anaerobic grain sludge expanded bed-gravity streaming membrane filtration to dispose of sewage, specifically carry out according to following steps:
Sewage enters elevated tank (2) by sewage pump (1-1) through flooding velocity meter (1-3), enter the permanent position of float(ing)valve device (3) by elevated tank (2) again, enter anaerobic grain sludge expanded bed (4) then, and by triphase separator (6) water outlet in the anaerobic grain sludge expanded bed (4);
Part water enters anaerobic grain sludge expanded bed (4) by first water outlet (4-1) again through reflux pump (9-1), return valve (9-2) and return flow meter (9-3); Another part water enters permanent position overflow device (11) by second water outlet (4-2), enter gravity streaming membrane filter appts (12) again, filter by membrane module (13), part water enters anaerobic grain sludge expanded bed (4) again through internal recycle under meter (7-1) and internal circulation pump (7-2), outside another part water discharge system, finish the method that the sewage and wastewater treatment system that utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration is disposed of sewage;
Wherein the gas that fermentation produces in anaerobic grain sludge expanded bed (4) is discharged collection by the air outlet (4-5) of anaerobic grain sludge expanded bed (4) and the air outlet (6-1) of triphase separator (6) through wet flow indicator (8); Excess sludge in anaerobic grain sludge expanded bed (4) is discharged by mud discharging mouth (4-3).
7. the sewage and wastewater treatment system that the utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration according to claim 6 method of disposing of sewage is characterized in that the upflow velocity of the interior water of reflux pump (9-1) control anaerobic grain sludge expanded bed (4) is 1m/h～15m/h.
8. the sewage and wastewater treatment system that the utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration according to claim 6 method of disposing of sewage, the hydraulic detention time that it is characterized in that anaerobic grain sludge expanded bed (4) is 2h～10h, and the dissolved oxygen concentration in the anaerobic grain sludge expanded bed (4) is 0mg/L～1mg/L.
9. the sewage and wastewater treatment system that the utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration according to claim 6 method of disposing of sewage, the filtration flux that it is characterized in that gravity streaming membrane filter appts (12) internal membrane assembly (13) is 5L/m
2H～30L/m
2H.
10. the sewage and wastewater treatment system that the utilizes anaerobic grain sludge expanded bed-gravity streaming membrane filtration according to claim 6 method of disposing of sewage, the hydraulic detention time that it is characterized in that gravity streaming membrane filter appts (12) is 0.5h～2h, and the dissolved oxygen concentration in the gravity streaming membrane filter appts (12) is 0mg/L～1mg/L.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254114A (en) * | 2015-07-22 | 2016-01-20 | 武汉美法生物科技有限公司 | Simple membrane bioreactor and use method thereof |
| CN105600924A (en) * | 2015-12-22 | 2016-05-25 | 浙江大学 | Device and method for strengthening anaerobic MBR (membrane bioreactor) process performance by adding bamboo charcoal particles |
| CN107010718A (en) * | 2017-05-22 | 2017-08-04 | 哈尔滨工业大学 | A kind of ultrafiltration biofilm reactor device of gravity-driven and the method that low temperature low ammonia nitrogen waste water is handled with it |
| WO2020104944A1 (en) * | 2018-11-20 | 2020-05-28 | King Abdullah University Of Science And Technology | Waste water treatment system using aerobic granular sludge gravity-driven membrane system |
| CN114195262A (en) * | 2021-10-29 | 2022-03-18 | 清华大学 | Anaerobic swing membrane bioreactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102642926A (en) * | 2012-04-28 | 2012-08-22 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Sewage treatment system and sewage treatment method of anaerobic fluidized bed-micro aerobic membrane bioreactor |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102642926A (en) * | 2012-04-28 | 2012-08-22 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Sewage treatment system and sewage treatment method of anaerobic fluidized bed-micro aerobic membrane bioreactor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254114A (en) * | 2015-07-22 | 2016-01-20 | 武汉美法生物科技有限公司 | Simple membrane bioreactor and use method thereof |
| CN105254114B (en) * | 2015-07-22 | 2017-12-05 | 武汉美法生物科技有限公司 | A kind of simple membrane bioreactor and application method |
| CN105600924A (en) * | 2015-12-22 | 2016-05-25 | 浙江大学 | Device and method for strengthening anaerobic MBR (membrane bioreactor) process performance by adding bamboo charcoal particles |
| CN107010718A (en) * | 2017-05-22 | 2017-08-04 | 哈尔滨工业大学 | A kind of ultrafiltration biofilm reactor device of gravity-driven and the method that low temperature low ammonia nitrogen waste water is handled with it |
| WO2020104944A1 (en) * | 2018-11-20 | 2020-05-28 | King Abdullah University Of Science And Technology | Waste water treatment system using aerobic granular sludge gravity-driven membrane system |
| CN114195262A (en) * | 2021-10-29 | 2022-03-18 | 清华大学 | Anaerobic swing membrane bioreactor |
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Application publication date: 20131002 |