CN100473615C - Integral film immobilization bioreactor for waste water treatment and operation method thereof - Google Patents

Integral film immobilization bioreactor for waste water treatment and operation method thereof Download PDF

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CN100473615C
CN100473615C CNB2006100034963A CN200610003496A CN100473615C CN 100473615 C CN100473615 C CN 100473615C CN B2006100034963 A CNB2006100034963 A CN B2006100034963A CN 200610003496 A CN200610003496 A CN 200610003496A CN 100473615 C CN100473615 C CN 100473615C
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liquid separation
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liquid
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CN101016185A (en
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刘俊新
李琳
谢珊
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Research Center for Eco Environmental Sciences of CAS
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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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract

本发明涉及处理高浓度有机废水的一体式膜固定化生物反应器。该反应器由工程菌或酶制剂附着在填料上的固定式反应区、工程菌或酶制剂悬浮在溶液中的升流式反应区、装有膜组件的固液分离区装置和菌种或酶制剂附着在填料上的气体处理生物反应区装置构成；固定式反应区和升流式反应区均为处理废水的生化反应区，两反应区上下连通，在空气带动下形成环流。在升流式反应区的外侧相接装有膜组件的固液分离区装置，升流式反应区的底端与固液分离区相通。气体处理生物反应区装置为处理废气的生化反应区，与固定式反应区连通。通过菌种或解毒酶的生物降解作用，可使处理废水的同时，废水中逸散到气相中的废气也得到净化。

Figure 200610003496

The invention relates to an integrated membrane-immobilized bioreactor for treating high-concentration organic wastewater. The reactor consists of a fixed reaction area where engineering bacteria or enzyme preparations are attached to the filler, an upflow reaction area where engineering bacteria or enzyme preparations are suspended in solution, a solid-liquid separation area device equipped with membrane modules, and bacteria or enzyme preparations. The gas treatment bio-reaction area device is composed of the agent attached to the filler; the fixed reaction area and the up-flow reaction area are both biochemical reaction areas for treating wastewater, and the two reaction areas are connected up and down to form a circulation driven by air. A solid-liquid separation zone device equipped with a membrane module is connected to the outside of the upflow reaction zone, and the bottom end of the upflow reaction zone communicates with the solid-liquid separation zone. The gas treatment biological reaction area device is a biochemical reaction area for treating waste gas, and is connected with a fixed reaction area. Through the biodegradation of bacterial strains or detoxification enzymes, the waste gas that escapes into the gas phase in the waste water can also be purified while the waste water is being treated.

Figure 200610003496

Description

The integral film immobilization bioreactor and the method for wastewater treatment that are used for wastewater treatment
Technical field
The invention belongs to and utilize bacterial classification, microbial inoculum biochemical technology and membrane separation technique to handle the equipment of waste water, particularly a kind of integral film immobilization bioreactor that is used for wastewater treatment and method of wastewater treatment of handling high concentrated organic wastewater.
Background technology
The research of dirty water living creature processing technique and use the history in existing more than 100 year, since the relative advantage such as simple of its economy with operation, the present agent technology that has become sewage disposal.The core of dirty water living creature processing technique is a microorganism, and therefore, the ability of microorganism has determined the efficient of bioreactor for sewage treatment.Along with industrialized development, the pollutants in sewage kind is more and more and complicated, and many organic compound are difficult to degraded with conventional microorganism, and the difficulty of wastewater treatment is increasing, requires also more and more higher to treatment technology.Since the seventies in 20th century, development along with genetically engineered, clone technology, rapid development has appearred in biological technical field, also driven simultaneously the innovation of dirty water living creature processing technique, the efficient engineering microbial inoculum that some are new and the application of zymin are improved the efficient of biological sewage treatment, the minimizing of facility floor space, investment and running cost reduces.Yet engineering microbial inoculum and zymin have stronger selectivity and specificity to substrate usually, and for dissimilar pollutents, the degradation rate of engineering microbial inoculum and zymin shows evident difference.In addition, the loss of engineering microbial inoculum and zymin also can bring the biological safety problem of environment.
Membrane bioreactor is a kind of water technology that is replaced secondary sedimentation basins and sand filter in traditional biochemical processing by membrane filtration.The appearance of membrane bioreactor has improved mud-water separation efficient, simultaneously because the appearance of special efficacy bacterium in the increase of activated sludge concentration and the mud in the aeration tank has improved biochemical reaction rate.Simultaneously, reduce the excess sludge generation by reducing sludge loading.Membrane bioreactor can utilize the sludge concentration in the concentrated property raising bio-reactor of the height of membrane sepn, thereby increase the organic matter removal ability of bio-reactor, but higher sludge concentration can produce negative influence to membrane flux, but also easily causes film to pollute.No matter early stage detachable membrane bioreactor still is existing integral type film biological reactor, all be to obtain filtered liquid by vacuum pump or other type of pump, thereby the energy consumption height.What conventional membrane bioreactor adopted is common micro-organisms, and its shortcoming is low to the removal ability of the hazardous contaminant of high density.Shown in Fig. 2～3.
At organic waste water, especially in the treating processes of the organic waste water of high density, have a large amount of volatile organic contaminants or repugnant substance and produce, these pollutents spill in the air, and HUMAN HEALTH and ecotope are caused serious harm.Some developed countries are in design during Waste Water Treatment, and the processing of volatile organic contaminant or repugnant substance also as important component part, and has been carried out a large amount of R﹠D works.Compare with other physico-chemical process, handle the waste gas less investment with biological process, working cost is low, and pollutent can not be transferred to other place, does not produce secondary pollution.The biological treatment of waste gas is to utilize microorganism with the degraded of organic pollutant in the waste gas or repugnant substance or be converted into the process of harmless or low harmful class material.Waste gas biological treating equipment in the past mainly is divided into three kinds of biological filter, biological washing tower and bio-trickling filters.Wherein the biological filter is most widely used, but that its shortcoming is a floor space is bigger, need add the gas equipment of prewetting before bio-reactor.Shown in Fig. 4～6.
Summary of the invention
A purpose of the present invention is to overcome the defective that existing biologic treating technique exists in handling the high concentrated organic wastewater process, a kind of integral film immobilization bioreactor that is suitable for the processing high concentrated organic wastewater of engineering strain growth and zymin reaction is provided, by the efficient degradation effect of engineering bacteria (or zymin), the waste water that contains high concentration organic contaminant is effectively handled; Reactor effluent adopting membrane filtration prevents that engineering bacteria or zymin run off; When handling waste water, the organic volatile that spills in the gas phase also is purified, and effectively handles when realizing waste water and gas.And compact construction, structure are succinctly, and operation is simple with maintenance, and operation energy consumption is low, and investment cost is few.
Another object of the present invention provides the method for wastewater treatment of the integral film immobilization bioreactor that is used for wastewater treatment of purpose one.
The integral film immobilization bioreactor that is used for wastewater treatment of the present invention is by engineering bacteria or zymin is suspended in the flow lifting type reaction zone in the solution, the solid-liquid separation zone device that membrane module is housed and bacterial classification attached to fixed reaction zone, engineering bacteria or zymin on the filler or zymin constitutes attached to the gas processing biological respinse zone device on the filler;
One reactor is divided into fixed reaction zone and flow lifting type reaction zone by dividing plate with reactor, is respectively equipped with the liquid guide flow mouth that fixed reaction zone is connected with the flow lifting type reaction zone in the upper and lower of dividing plate, and liquid is to flow downward in fixed reaction zone;
On the outer side wall on fixed reaction zone top, have water-in, and water-in is higher than the liquid guide flow mouth on dividing plate top, bottom at fixed reaction zone has mud discharging mouth, in fixed reaction zone, be filled with filler, and filler is between the liquid guide flow mouth of the liquid guide flow mouth on dividing plate top and the lower partition;
The one solid-liquid separation zone device that membrane module is housed joins in the outside of flow lifting type reaction zone, the solid-liquid displacement zone height of devices is lower than the flow lifting type reaction zone, the bottom of flow lifting type reaction zone communicates with the solid-liquid separation zone device, at flow lifting type reaction zone and solid-liquid separation zone device is that the top of a sidewall is provided with the liquid guide flow hole altogether, the flow lifting type reaction zone is connected with the solid-liquid separation zone device by the fluid passage of liquid guide flow hole and bottom, and liquid is upwards to flow in the flow lifting type reaction zone;
Top at the outer side wall of solid-liquid separation zone device has water outlet, and the bottom has inlet mouth, and inlet mouth the inner is provided with aeration tube, and the bottom of solid-liquid separation zone device is provided with mud discharging mouth;
One gas processing biological respinse zone device docks with the upper end of fixed reaction zone, has the inlet mouth that is communicated with fixed reaction zone in the bottom of gas processing biological respinse zone device, and gas is upwards to flow in the gas processing bio-reaction zone;
Top at gas processing biological respinse zone device has venting port, and band foraminous dividing plate is installed in gas processing biological respinse zone device, is filled with filler on the dividing plate.
Described aeration tube is a perforated tube, and its aperture is 2～5mm.
Described band foraminous dividing plate is more than one, and its aperture is 2～5mm.
Fixed reaction zone and flow lifting type reaction zone are the biochemical reaction zone of handling waste water, and two reaction zones are communicated with up and down, form circulation under air driven.Main living things system is engineering bacteria or zymin in the reaction zone.Engineering bacteria in the fixed reaction zone or zymin are attached on the filler; Engineering bacteria or zymin in the flow lifting type reaction zone are suspended in the solution.The solid-liquid separation zone device that membrane module is housed that joins in the outside of flow lifting type reaction zone, the bottom of flow lifting type reaction zone communicates with solid-liquid displacement zone.Dock with gas processing biological respinse zone device the upper end of fixed reaction zone, and gas processing biological respinse zone device is for handling the biochemical reaction zone of waste gas, and the bottom has an inlet mouth, is communicated with fixed reaction zone.Main living things system is engineering bacteria or zymin in the reaction zone, on filler.Gas processing biological respinse zone device is positioned at the top of fixed reaction zone, is communicated with fixed reaction zone, for handling the biochemical reaction zone of waste gas.Main living things system is bacterial classification or zymin in the reaction zone, on filler.
The method of wastewater treatment that is used for the integral film immobilization bioreactor of wastewater treatment of the present invention is: waste water enters in the fixed reaction zone from the water-in of fixed reaction zone, flow downward, via the fixed reaction zone that has engineering bacteria or zymin, the major objective pollutent in the waste water is attached engineering bacteria or the enzyme preparation degrades on filler; The liquid guide flow mouth of pollutent that is not degraded and metabolic intermediate the lower partition between fixed reaction zone and flow lifting type reaction zone enters in the flow lifting type reaction zone, partially mixed liquid is installed in the gas lift that the aeration tube of solid-liquid separation zone device enters, upwards flow, be back to fixed reaction zone from the liquid guide flow mouth on dividing plate top, like this, liquid circulation in two reaction zones flows, and so moves in circles, and pollutants in waste water is by engineering bacteria or enzyme preparation degrades.
Another part mixed solution enters the solid-liquid separation zone device that membrane module is housed from flow lifting type reaction zone bottom, and the membrane module in the solid-liquid separation zone device can separate the pollutent, engineering bacteria or the zymin that are not degraded effectively to be held back; The pollutent that is not degraded, engineering bacteria or the zymin held back by membrane sepn, under the carrying of gas, be that liquid guide flow hole on the sidewall is back in the flow lifting type reaction zone altogether by flow lifting type reaction zone and solid-liquid separation zone device, entering circulation flows, pollutent is further processed, and has avoided the loss of engineering bacteria or zymin simultaneously.
Be located at the aeration tube of membrane module bottom, can wash away the film surface, mud can not be adhered on it.Fixed reaction zone and flow lifting type reaction all are higher than solid-liquid displacement zone, and the film water outlet drives continuous effluent, the water outlet suction pump of saving the conventional film bio-reactor by the gravity head of membrane module top.Water after the purification is discharged from the water outlet of solid-liquid displacement zone, and excess sludge is discharged from the mud discharging mouth of solid-liquid displacement zone bottom.
The waste gas that produces in the wastewater treatment process enters gas processing biological respinse zone device from the inlet mouth of gas processing bio-reaction zone bottom of device, upwards flow, behind band foraminous dividing plate, disperse to enter in the filler, pollutent in the waste gas is attached bacterial classification or the enzyme preparation degrades on filler, and purified gas is discharged from the venting port at top.Gas processing biological respinse zone device is installed in the upper end of fixed reaction zone, gas is entered before the gas processing biological respinse zone device, flow through fixed reaction zone and flow lifting type reaction zone, these two reaction zones all have humidification to gas, the gas that the saves traditional waste gas biological filter equipment of prewetting.
After the loss of activity of engineering bacteria or zymin, its mud discharging mouth from the immobilized reactant district is discharged, and add new engineering bacteria or zymin.
Equipment of the present invention has following advantage:
1. utilize various bacterial classifications or zymin can handle high concentrated organic wastewater effectively, structure of reactor is simple, easy and simple to handle.
2. the biologic packing material in the fixed reaction zone provides good environment for the growth and the enzyme preparation reaction of engineering bacteria, improves contact efficiency.Fixed reaction zone adopts dark bed mode can improve the degradation rate of pollutent, reduces floor space, improves oxygen-transfer efficiency, cuts down the consumption of energy.
3. liquid circulation in fixed reaction zone and flow lifting type reaction zone flows, by mixing and circulation of mixed solution in the reactor and the waste water that enters, high density pollution thing in the waste water had diluting effect, but the pollution abatement thing makes reactor have the ability of stronger anti-shock loading to the toxicity and the restraining effect of engineering bacteria and zymin.
4. oxygenic aeration in the flow lifting type reaction zone utilizes aeration to promote liquid simultaneously, realizes that aeration rate efficiently utilizes.
5. fixed reaction zone and flow lifting type reaction zone all are higher than the solid-liquid separation zone device, and the film water outlet drives continuous effluent by the gravity head of membrane module top, does not need pumping equipment, reduces investment cost.
6. reactor effluent adopting membrane filtration prevents the loss of engineering bacteria or zymin, reduces the dosage of engineering bacteria or zymin.
7. when handling waste water, adopt biological method to purify the waste gas that produces, effectively handle when realizing waste water, waste gas.
8. fixed reaction zone and flow lifting type reaction zone also have humidification to gas when handling waste water, the gas that the saves traditional waste gas biological filter equipment of prewetting.
Description of drawings
Fig. 1. equipment synoptic diagram of the present invention.
Fig. 2. existing detachable membrane bioreactor synoptic diagram.
Fig. 3. existing integral type film biological reactor synoptic diagram.
Fig. 4. existing biological filter equipment synoptic diagram.
Fig. 5. existing biological washing tower equipment synoptic diagram.
Fig. 6. existing bio-trickling pool equipment synoptic diagram.
Reference numeral
1. fixed reaction zone 2. flow lifting type reaction zones 3. solid-liquid separation zone devices
4. filler 5. water-ins 6. mud discharging mouths
7. flow-guiding mouth 8. flow-guiding mouths 9. membrane modules
10. water outlet 11. inlet mouths 12. aeration tubes
13. pod apertures 14. mud discharging mouths 15. gases biological treatment zone device
16. inlet mouth 17. dividing plates 18. fillers
19. venting port 20. biochemical reactors 21. pumps
Equipment 24. bio-reactors 22. returned sluge 23. gases are prewetted
25. shower nozzle 26. gravels 27. recycle pumps
28. inert filler 29. washers 30. activated sludge reactors
31. settling tank
Embodiment
Embodiment 1:
See also Fig. 1.The integral film immobilization bioreactor that is used for wastewater treatment mainly is made of fixed reaction zone 1, flow lifting type reaction zone 2, the solid-liquid separation zone device 3 that membrane module is housed and gas processing biological respinse zone device 15 3 parts;
Fixed reaction zone 1 and flow lifting type reaction zone 2 are the biochemical reaction zone of handling waste water, and living things system is engineering bacteria or zymin.Engineering bacteria in the fixed reaction zone 1 or zymin are attached on the filler 4; Engineering bacteria or zymin in the flow lifting type reaction zone 2 are suspended in the solution.
Fixed reaction zone 1 inside is filled with filler 4, and outer side wall top has a water-in 5, and the bottom has a mud discharging mouth 6; The upper and lower of dividing plate is provided with liquid guide flow mouth 7 and flow-guiding mouth 8 between fixed reaction zone 1 and flow lifting type reaction zone 2, and fixed reaction zone 1 is communicated with flow lifting type reaction zone 2 by liquid guide flow mouth 7 and flow-guiding mouth 8.Liquid is to flow downward in fixed reaction zone 1.
The bottom of flow lifting type reaction zone 2 communicates with solid-liquid separation zone device 3.Liquid is upwards to flow in flow lifting type reaction zone 2.
The inside of solid-liquid separation zone device 3 is equipped with membrane module 9; Outer side wall top has a water outlet 10, and the bottom has an inlet mouth 11, and inlet mouth 11 the inners are provided with the aeration tube 12 that the aperture is 2～5mm; At flow lifting type reaction zone and solid-liquid separation zone device is that top on the sidewall has pod apertures 13 altogether, and pod apertures 13 is communicated with flow lifting type reaction zone 2; The bottom of solid-liquid separation zone device 3 is provided with a mud discharging mouth 14.
Dock with gas processing biological respinse zone device 15 upper end of fixed reaction zone 1, and gas processing biological respinse zone device 15 is for handling the biochemical reaction zone of waste gas, and the bottom has an inlet mouth 16, and inlet mouth 16 is communicated with fixed reaction zone 1; The top has venting port 19, and the more than one dividing plate 17 that the aperture is 2～5mm that has is installed in gas processing biological respinse zone device 15, is filled with filler 18 on the dividing plate 17.
Waste water enters in the fixed reaction zone 1 from the water-in 5 of fixed reaction zone 1, flows downward, and via the fixed reaction zone 1 that has engineering bacteria (or zymin), the major objective pollutent in the waste water is attached engineering bacteria or the enzyme preparation degrades on filler 4; Pollutent that is not degraded and metabolic intermediate are in lower guide head piece 8 enters flow lifting type reaction zone 2, the gas lift that partially mixed liquid is entered by the aeration tube 12 from inlet mouth 11 the inners, upwards flow, be back to fixed reaction zone 1 from the flow-guiding mouth 7 on top, like this, liquid circulation in two reaction zones flows, and so moves in circles, and pollutants in waste water is by engineering bacteria or enzyme preparation degrades.
Another part mixed solution enters solid-liquid separation zone device 3 from flow lifting type reaction zone 2 bottoms, and the membrane module 9 in the solid-liquid separation zone device 3 can separate the pollutent, engineering bacteria or the zymin that are not degraded effectively to be held back; The pollutent that is not degraded, engineering bacteria or the zymin held back by membrane sepn are back in the flow lifting type reaction zone 2 by pod apertures 13 under the carrying of gas, import circulation and flow, and pollutent is further processed, and has avoided the loss of engineering bacteria or zymin simultaneously.
Be located at the aeration tube 12 of membrane module 9 bottoms, can wash away the film surface, mud can not be adhered on it.Fixed reaction zone 1 and flow lifting type reaction 2 all are higher than solid-liquid separation zone device 3, and the film water outlet drives continuous effluent, the water outlet suction pump of saving the conventional film bio-reactor by the gravity head of membrane module top.Water after the purification is discharged from the water outlet 10 of solid-liquid separation zone device 3, and excess sludge is discharged from the mud discharging mouth 14 of solid-liquid separation zone device 3 bottoms.
The waste gas that produces in the wastewater treatment process is from the inlet mouth 16 of gas processing biological respinse zone device 15 bottoms, enter gas processing biological respinse zone device 15, upwards flow, behind band foraminous dividing plate 17, disperse to enter in the filler 18, pollutent in the waste gas is attached bacterial classification or the enzyme preparation degrades on filler 18, and purified gas is discharged from the venting port 19 at top.
After the loss of activity of engineering bacteria or zymin, its mud discharging mouth 6 from immobilized reactant district 1 is discharged, and add new engineering bacteria or zymin.
Contain SD-1750, parathion-methyl, thiophos, Profenofos etc. are mixed with the waste water of machine phosphorus insecticide, and the concentration of blended is 200ppm, enters integral film immobilization bioreactor from water-in, and the residence time is 1～3mins, and room temperature condition is operation down.Adhere to or be suspended with the super engineering bacteria BL21 of degradable organophosphorus pesticide in immobilized reactant district and the flow lifting type reaction zone, test-results shows that the clearance of various organophosphorus pesticides reaches more than 90%, and clearance is higher than the bio-reactor of common bacterium.Mould material is selected microfiltration membrane for use, and the rejection of super engineering bacteria can reach 100%.Produce the waste gas of sulfurous pollutants such as main sulfide hydrogen, mercaptan in the wastewater treatment process, the thiobacillus that adheres to the degradable organic sulfide in the gas biological treatment reaction zone device, hydrogen sulfide, mercaptan average removal rate can reach more than 98%, effectively handle when can realize waste water, waste gas.

Claims (4)

1.一种用于废水处理的一体式膜固定化生物反应器，由工程菌或酶制剂附着在填料上的固定式反应区、工程菌或酶制剂悬浮在溶液中的升流式反应区、装有膜组件的固液分离区装置和菌种或酶制剂附着在填料上的气体处理生物反应区装置构成；其特征是：1. An integrated membrane-immobilized bioreactor for wastewater treatment, a fixed reaction zone where engineering bacteria or enzyme preparations are attached to fillers, an upflow reaction zone where engineering bacteria or enzyme preparations are suspended in solution, It consists of a solid-liquid separation zone device equipped with membrane modules and a gas treatment biological reaction zone device with bacteria or enzyme preparations attached to the filler; its characteristics are: 一反应器，由隔板将反应器分成固定式反应区和升流式反应区，在隔板的上部和下部分别设有固定式反应区与升流式反应区相连通的液体导流口；A reactor, the reactor is divided into a fixed reaction zone and an upflow reaction zone by a partition, and a liquid diversion port connecting the fixed reaction zone and the upflow reaction zone is respectively provided on the upper part and the lower part of the partition; 在固定式反应区上部的外侧壁上开有进水口，且进水口高于隔板上部的液体导流口，在固定式反应区的底部开有排泥口，在固定式反应区内装填有填料，且填料是在隔板上部的液体导流口和隔板下部的液体导流口之间；There is a water inlet on the outer wall of the upper part of the fixed reaction area, and the water inlet is higher than the liquid diversion port on the upper part of the partition, and there is a mud discharge port at the bottom of the fixed reaction area, and the fixed reaction area is filled with Filling, and the filling is between the liquid diversion port on the upper part of the partition and the liquid diversion port on the lower part of the partition; 一装有膜组件的固液分离区装置相接于升流式反应区的外侧，固液分离区装置的高度低于升流式反应区，升流式反应区的底端与固液分离区装置相通，在升流式反应区与固液分离区装置共为一侧壁的上部设有液体导流孔；A solid-liquid separation zone device equipped with membrane modules is connected to the outside of the upflow reaction zone, the height of the solid-liquid separation zone device is lower than the upflow reaction zone, and the bottom of the upflow reaction zone The devices are connected, and a liquid guide hole is provided on the upper part of the side wall of the upflow reaction zone and the solid-liquid separation zone; 在固液分离区装置的外侧壁的上部开有出水口，下部开有进气口，进气口内端设有曝气管，固液分离区装置的底部设有排泥口；There is a water outlet on the upper part of the outer wall of the solid-liquid separation zone device, an air inlet is opened on the lower part, an aeration pipe is provided at the inner end of the air inlet, and a mud discharge port is provided at the bottom of the solid-liquid separation zone device; 一气体处理生物反应区装置与固定式反应区的上端对接，在气体处理生物反应区装置的底部开有与固定式反应区连通的进气口；A gas treatment biological reaction zone device is docked with the upper end of the fixed reaction zone, and an air inlet connected to the fixed reaction zone is opened at the bottom of the gas treatment biological reaction zone device; 在气体处理生物反应区装置的顶部开有排气口，在气体处理生物反应区装置内安装有带有孔的隔板，隔板上装填有填料。An exhaust port is opened on the top of the gas treatment biological reaction zone device, and a separator with holes is installed in the gas treatment biological reaction zone device, and the separator is filled with fillers. 2.根据权利要求1所述的反应器，其特征是：所述的曝气管为多孔管，其孔径为2～5mm。2. The reactor according to claim 1, characterized in that: said aeration pipe is a porous pipe with a pore diameter of 2-5 mm. 3.根据权利要求1所述的反应器，其特征是：所述的带有孔的隔板是一个以上，其孔径为2～5mm。3. The reactor according to claim 1, characterized in that: there are more than one partitions with holes, and the diameter of the holes is 2-5mm. 4.一种利用权利要求1～3任一项所述的用于废水处理的一体式膜固定化生物反应器的废水处理方法，其特征是：废水从固定式反应区的进水口进入固定式反应区内，经由带有工程菌或酶制剂的固定式反应区，废水中的主要目标污染物被附着在填料上的工程菌或酶制剂降解；未被降解的污染物和代谢中间产物经固定式反应区和升流式反应区之间隔板下部的液体导流口进入升流式反应区内，部分混合液被安装在固液分离区装置的曝气管进入的气体提升，从隔板上部的液体导流口回流至固定式反应区，液体在两个反应区内环流流动；4. A waste water treatment method using the integrated membrane immobilized bioreactor for waste water treatment according to any one of claims 1 to 3, characterized in that: waste water enters the fixed type reaction zone from the water inlet of the fixed type reaction zone. In the reaction zone, through the fixed reaction zone with engineering bacteria or enzyme preparations, the main target pollutants in the wastewater are degraded by engineering bacteria or enzyme preparations attached to the filler; undegraded pollutants and metabolic intermediates are fixed The liquid guide port at the lower part of the partition between the upflow reaction zone and the upflow reaction zone enters the upflow reaction zone, and part of the mixed liquid is lifted by the gas entering the aeration tube installed in the solid-liquid separation zone device, and flows from the upper part of the partition The liquid diversion port flows back to the fixed reaction area, and the liquid circulates in the two reaction areas; 另一部分混合液从升流式反应区底部进入装有膜组件的固液分离区装置，被膜分离截留的未被降解的污染物、工程菌或酶制剂，在气体的携带下通过升流式反应区与固液分离区装置共为一侧壁上的液体导流孔回流至升流式反应区内，进入环流流动；The other part of the mixed liquid enters the solid-liquid separation zone device equipped with membrane modules from the bottom of the upflow reaction zone, and the undegraded pollutants, engineering bacteria or enzyme preparations that are trapped by the membrane separation are carried by the gas through the upflow reaction. The device of the solid-liquid separation zone and the solid-liquid separation zone is the liquid diversion hole on the side wall, which flows back into the upflow reaction zone and enters the circulation flow; 膜出水靠膜组件上方的重力水头驱动连续出水，净化后的水从固液分离区的出水口排出，剩余污泥从固液分离区底部的排泥口排出；The membrane outlet is driven by the gravity head above the membrane module to continuously discharge the water, the purified water is discharged from the outlet of the solid-liquid separation area, and the remaining sludge is discharged from the sludge discharge port at the bottom of the solid-liquid separation area; 废水处理过程中产生的废气从气体处理生物反应区装置底部的进气口进入气体处理生物反应区装置，向上流动，经带有孔的隔板后分散进入填料内，废气中的污染物被附着在填料上的菌种或酶制剂降解，净化后的气体从顶部的排气口排出。Waste gas generated during wastewater treatment enters the gas treatment biological reaction zone device from the air inlet at the bottom of the gas treatment biological reaction zone device, flows upward, and disperses into the packing after passing through the partition with holes, and the pollutants in the waste gas are attached The bacteria or enzymes on the filler degrade, and the purified gas is discharged from the exhaust port on the top.
CNB2006100034963A 2006-02-10 2006-02-10 Integral film immobilization bioreactor for waste water treatment and operation method thereof Expired - Fee Related CN100473615C (en)

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