CN101838046A - Method for treating sewage by using biological membrane and equipment thereof - Google Patents
Method for treating sewage by using biological membrane and equipment thereof Download PDFInfo
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- CN101838046A CN101838046A CN201010160558A CN201010160558A CN101838046A CN 101838046 A CN101838046 A CN 101838046A CN 201010160558 A CN201010160558 A CN 201010160558A CN 201010160558 A CN201010160558 A CN 201010160558A CN 101838046 A CN101838046 A CN 101838046A
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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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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention belongs to the field of water treatment, and relates to a method for treating sewage by using a biological membrane and equipment thereof. In the method, a biological membrane carrier is adopted and floats on the water, and a material having capillary water absorption function is used as a medium for connecting the biological membrane carrier and a water body environment under the water. The pre-cultured mature biological membrane can be suspended above the water, and microbial strains can be transferred to the carrier to perform culture and enrichment by using the medium with strong capillary water absorption effect. Therefore, the formed biological membrane is directly contacted with the air, so the transfer speed of oxygen is high, soluble pollutants in the water are continuously transferred, and the technique of suspending the capillary mass-transfer biological membrane can fully meet the aerobic biodegradation of the high-concentration pollutants and belongs to a technique of naturally strengthening the aerated biological membrane. The method for treating the sewage by using the biological membrane has the advantages of high organic load, low oxygen supply cost, easy construction and management, flexible application and the like; and the method can be applied to in-situ treatment of polluted rivers, and can effectively and constantly perform sewage purification.
Description
Technical field
The invention belongs to water treatment field, be specifically related to a kind of method and equipment thereof that utilizes treating sewage by using biological membrane.
Background technology
Along with rapid economy development, urban infrastructure development does not catch up with the increase of population, and a large amount of sanitary sewages is unprocessed directly to enter near water body.Many town rivers are admitted large amount of sewage, considerably beyond its self-purification capacity, serious organic contamination causes oxygen in water to consume fast, and river is because anaerobism presents black smelly state, have a strong impact on town dweller's productive life and quality of the region's water, even hindered the development in city.Develop a kind of effective improvement technology, pollute, repair the river ecosystem of being damaged, become a kind of exigence with control.
In recent years, technology of biological membrane is the technology of a kind of pollution control of water of being widely studied and adopting.Since technology of biological membrane can be on unit space fixedly enrichment have the microorganism of degradation function in a large number, relatively help the removal of biodegradable pollutents such as organism, ammonia nitrogen in the flowing water environment, become one of the more and effective polluted river biology in situ improvement technology that adopts.But, present existing river microbial film in-situ treatment technical matters, mainly be the contact oxidation technology of using for reference in the sewage disposal, microbial film and carrier are submerged under water fully, and such processing mode is when the river organic concentration is higher, be subject to the restriction of low dissolved axygen in the water, anaerobic state occurs, the mode that improves oxygen in water at present mainly is to utilize mechanical aeration, and operation and handling cost are all than higher, be unfavorable for the application on the water body in large, also be difficult to administer long-term effectively.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, provide a kind of aeration that need not to handle, but the method for the treating sewage by using biological membrane of widespread use.
Another object of the present invention is to provide the equipment that is applied to this method.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
The invention provides a kind of method for the treatment of sewage by using biological membrane, it is characterized in that having adopted biofilm carrier, this biofilm carrier connects biofilm carrier and the water body environment water surface below by the material with capillary water absorption effect as medium by hanging on waterbornely by being suspended in frame supported on the water surface.
Microbial film can obtain by the dystopy biofilm, promptly at first forms initial microbial film with being positioned on the biofilm carrier in the pending sewage by traditional colonization method, and then is suspended on more than the water surface; Also can form by original position biofilm mode, promptly earlier biofilm carrier is suspended on the water surface, microorganism can be transferred to by wicking action with water gradually and cultivate enrichment on the carrier in the sewage, forms microbial film at carrier surface.Be suspended on the above microbial film of the water surface and directly contact with air, the oxygen transmission speed is fast, and the medium of solubility pollutent by the capillary water absorption effect constantly is transferred on the microbial film and reacts in the water.Hang capillary mass transfer technology of biological membrane by this, can satisfy high density pollution thing aerobic biodegradation fully, belong to nature enhanced aeration technology of biological membrane.
The material that wherein has the capillary water absorption effect is to have a superpower capillary water absorption effect and a corrosion resistant kind fabric material, preferred superfine chemical fiber.Biofilm carrier is particulate vector or chip carrier: particulate vector is zeolite, sand or haydite; Chip carrier is the plastic sheet of thickness 1-2mm.Biofilm carrier can invest on the carrier frame (being made of iron wire), and carrier frame the material that can be suspended on the water surface such as moulds owing to connected cystose, veneer or lightweight, makes bio-carrier be suspended on the water surface.
The present invention provides a kind of equipment for the treatment of sewage by using biological membrane simultaneously, comprise the suspending carrier that may float on the water surface and the carrier frame of top thereof, biofilm carrier invests on the carrier frame, and the fiber with capillary water absorption effect connects biofilm carrier and the following water body environment of the water surface respectively.
Comprise biofilm carrier and may float on the suspending carrier (can be in cystose, veneer or the light plastic a kind of) of the water surface and the carrier frame (can be iron wire) of top thereof, the biofilm carrier (particulate vector of zeolite, sand or haydite; Or the chip carrier of the thick plastic sheet of 1-2mm) invests on the carrier frame, fiber (superfine chemical fiber) with capillary water absorption effect connects biofilm carrier and the following water body environment of the water surface respectively, constantly the pollutent in the water is transferred on the microbial film thus, is degraded and purify.
The present invention passes through lot of experiments, having filtered out the stronger and corrosion resistant ultra-fine fibre of capillary water absorption effect from numerous fabrics with capillary water absorption effect weaves cotton cloth, as the capillary mass transfer media, in conjunction with traditional biofilm carrier, by following three kinds of approach super-fine fiber material and carrier are combined: (1) pastes on ultra-fine fibre cloth (as shown in Figure 2) uniformly with particulate vector, and the major part of cloth is suspended on more than the water surface; (2) the 2nd, particulate vector is bonded in nonwoven surface, and super-fine fiber material sticks on (as shown in Figure 3) on the particulate vector by sewing up with non-woven fabrics, is suspended on more than the water surface; (3) select chip carrier for use, ultra-fine fibre cloth parcel is sticked on its two sides (it is sewed up and connects as shown in Figure 4), be suspended on the water surface.These three kinds of modes all will allow the super-fine fiber material lower end immerse in the sewage, microorganism and pollutent upwards are delivered to more than the water surface with ultra-fine fibre cloth to the core sucting action of water in the sewage, microorganism can be attached on the carrier, utilize pollutents such as airborne dioxygen oxidation degradation of organic substances ammonia nitrogen, form the microbial film unit that pollutent is had stable degradation capability gradually, can select the microbial film unit number to be suspended on according to concrete management task and construct concrete treatment unit on the suspension support framework.
Compared with prior art, the present invention has following beneficial effect:
(1) method for the treatment of sewage by using biological membrane provided by the present invention has the organic loading height, and the oxygen supply cost is low, makes up management easily, uses advantages such as flexible.
(2) method and apparatus provided by the present invention has solved the problem of present technology of biological membrane low dissolved axygen restriction, can be applied to the in-situ treatment of polluted river.
(3) method and apparatus provided by the present invention, operation and preparation cost are low, carry out sewage purification sustainably, the decontamination effect improving continuous and effective.
(4) method and apparatus provided by the present invention is applied to the advantage that the residential area has zero noise owing to need not the adding of aerating apparatus.
Description of drawings
Fig. 1 is the synoptic diagram of present device;
Fig. 2 is that particulate vector is pasted the synoptic diagram at capillary medium (fiber with capillary water absorption effect) uniformly, and wherein 4 is fibers of capillary water absorption effect, the 5th, and carrier granule;
Fig. 3 is the synoptic diagram of capillary medium (fiber with capillary water absorption effect) by non-woven fabrics connection particulate vector, and wherein 4 is fibers of capillary water absorption effect, the 5th, and carrier granule, the 6th, non-woven fabrics;
Fig. 4 is the synoptic diagram that capillary medium (fiber with capillary water absorption effect) is sutured in chip carrier, and wherein 4 is fibers of capillary water absorption effect, the 7th, and chip carrier, 8 expression suture lines;
Fig. 5 is that the present invention hangs the removal result of microbial film to COD in the sanitary sewage;
Fig. 6 is that the present invention hangs the removal result of microbial film to ammonia nitrogen in the sanitary sewage.
Embodiment
Below further specify technical scheme of the present invention by specific embodiment.
Embodiment 1
The ultra-fine fibre fabric of wide cut 20cm is cut into the long cloth of long 15cm, the zeolite granular about particle diameter 1cm is evenly pasted on the two sides, construct and hang microbial film mass transfer and carrier element; Make up length and width high 30cm, 25cm, 50cm rectangular frame respectively with angle steel; The plastic box (length and width height: 25cm, 20cm, 40cm) that framework is arranged on the full sanitary sewage of splendid attire all around, hang the microbial film unit and in sanitary sewage, use traditional method aeration biofilm earlier, after the biofilm success, each cloth upper end, unit is fixed with iron wire, be suspended on the framework, in the water in the cloth lower end 5cm immersion plastic box, 15 unit be set altogether be suspended on the sewage top uniformly, about the 1-2cm of interval, sanitary sewage in the plastic box is carried out sequence batch (handle between the unit.The sanitary sewage that uses dilute as the resident living area cesspool sewage, per 8 hours one-period, per 2 hours sampling and measuring once, behind the end cycle, sewage goes out clearly in the case, the new sewage of packing into after chest scrubs clean begins next cycle, carries out 4 cycles altogether, and contrast is not hang biomembranous system.This hangs microbial film to the removal result of COD, ammonia nitrogen in the sewage as shown in Figure 5 and Figure 6, and clearance is basicly stable about 80%, 65%.
Ultra-fine fibre fabric and the non-woven fabrics of wide cut 20cm are cut into the long cloth of long 15cm respectively, sand grains about particle diameter 1cm is evenly pasted on the non-woven fabrics two sides, two ultra-fine fibre fabrics are wrapped up non-woven fabrics, and be fixed together, construct and hang microbial film mass transfer and carrier element with suturing with thread management; Make up length and width high 30cm, 25cm, 50cm rectangular frame respectively with angle steel; Framework is arranged on plastic box (the length and width height: 25cm of the full sanitary sewage of splendid attire, 20cm, 40cm) all around, hang the microbial film unit and in sanitary sewage, use traditional method aeration biofilm earlier, after the biofilm success, each cloth upper end, unit is fixed with iron wire, be suspended on the framework, in the water in the cloth lower end 5cm immersion plastic box, 15 unit are set altogether are suspended on the sewage top uniformly, between the unit at interval about 1-2cm, sanitary sewage in the plastic box is carried out sequence batch (handle, this hangs microbial film to COD in the sewage, ammonia-N removal rate is basicly stable 85%, about 50%.
Embodiment 3
The ultra-fine fibre fabric of wide cut 20cm is cut into the long cloth of long 15cm, with semi-rigid plastic sheet surface finish coarse after, be cut into onesize, with two ultra-fine fibre fabrics parcel plastic sheets, and be fixed together with suturing with thread management, construct and hang microbial film mass transfer and carrier element; Make up length and width high 30cm, 25cm, 50cm rectangular frame respectively with angle steel; Framework is arranged on plastic box (the length and width height: 25cm of the full sanitary sewage of splendid attire, 20cm, 40cm) all around, hang the microbial film unit and in sanitary sewage, use traditional method aeration biofilm earlier, after the biofilm success, each cloth upper end, unit is fixed with iron wire, be suspended on the framework, in the water in the cloth lower end 5cm immersion plastic box, 15 unit are set altogether are suspended on the sewage top uniformly, between the unit at interval about 1-2cm, sanitary sewage in the plastic box is carried out sequence batch (handle, this hangs microbial film to COD in the sewage, ammonia-N removal rate is basicly stable 70%, about 45%.
Claims (10)
1. the method for a treating sewage by using biological membrane is characterized in that having adopted biofilm carrier, and this biofilm carrier is suspended on more than the water surface, connects biofilm carrier and the water body environment below the water surface by the material with capillary water absorption effect as medium.
2. the method for the treatment of sewage by using biological membrane as claimed in claim 1, it is characterized in that: described material with capillary water absorption effect is the superfine chemical fiber; Described biofilm carrier is particulate vector or chip carrier.
3. the method for the treatment of sewage by using biological membrane as claimed in claim 2, it is characterized in that: described particulate vector is zeolite, sand or haydite; Described chip carrier is the plastic sheet of thickness 1-2mm.
4. the method for the treatment of sewage by using biological membrane as claimed in claim 2, it is characterized in that: described biofilm carrier is to hang on waterborne by investing the carrier frame that is suspended on the water surface.
5. the method for the treatment of sewage by using biological membrane as claimed in claim 4, it is characterized in that: described carrier frame is made of iron wire, is suspended in the water surface by being connected on cystose, veneer or the light plastic plate.
6. the equipment of a treating sewage by using biological membrane, comprise biofilm carrier, it is characterized in that also comprising the suspending carrier (2) that may float on the water surface and the carrier frame (1) of top thereof, biofilm carrier (3) invests on the carrier frame (1), and the fiber (4) with capillary water absorption effect connects biofilm carrier (3) and the following water body environment of the water surface respectively.
7. the equipment for the treatment of sewage by using biological membrane as claimed in claim 6 is characterized in that described fiber (4) with capillary water absorption effect is the superfine chemical fiber.
8. the equipment for the treatment of sewage by using biological membrane as claimed in claim 6 is characterized in that described biofilm carrier (3) is the particulate vector of zeolite, sand or haydite; Or the chip carrier of the thick plastic sheet of 1-2mm.
9. the equipment for the treatment of sewage by using biological membrane as claimed in claim 6 is characterized in that described suspending carrier (2) is a kind of in cystose, veneer, the light plastic; Carrier frame (1) is an iron wire.
10. the equipment for the treatment of sewage by using biological membrane as claimed in claim 8, it is characterized in that described fiber (4) with capillary water absorption effect is connected with biofilm carrier (3) by following arbitrary method: method one, particulate vector (5) is pasted uniformly on ultra-fine fibre cloth (4), and the major part of cloth is suspended on more than the water surface; Method two is bonded in non-woven fabrics (6) surface with particulate vector (5), and super-fine fiber material (4) sticks on the particulate vector by sewing up with non-woven fabrics, is suspended on more than the water surface; Method three selects for use chip carrier (7) that ultra-fine fibre cloth (4) parcel is sticked on its two sides, is suspended on the water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101605588A CN101838046B (en) | 2010-04-23 | 2010-04-23 | Method for treating sewage by using biological membrane and equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101605588A CN101838046B (en) | 2010-04-23 | 2010-04-23 | Method for treating sewage by using biological membrane and equipment thereof |
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| CN101838046A true CN101838046A (en) | 2010-09-22 |
| CN101838046B CN101838046B (en) | 2012-08-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283642A (en) * | 2013-05-10 | 2013-09-11 | 中国水产科学研究院南海水产研究所 | Water quality control method for indoor high-density temporary shrimp seed culture |
| CN104192986A (en) * | 2014-08-01 | 2014-12-10 | 浙江大学 | Short-cut nitrification reactor with seepage and self-oxygenation bacterial blanket and wastewater treatment method of short-cut nitrification reactor |
| CN108217982A (en) * | 2018-03-17 | 2018-06-29 | 凌建军 | A kind of method and device of packaged type Spawn incubation processing country sewage |
| CN109371937A (en) * | 2018-10-30 | 2019-02-22 | 江苏省农业科学院 | A kind of agricultural ecological irrigation canals and ditches based on periphyton |
| CN109867365A (en) * | 2019-03-11 | 2019-06-11 | 河海大学 | A kind of double triangle pipe valve control renewable ecological repair systems |
| CN113845288A (en) * | 2021-09-28 | 2021-12-28 | 无锡德林海环保科技股份有限公司 | Drying device and drying method thereof |
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| JPS644292A (en) * | 1987-06-25 | 1989-01-09 | Kohjin Co | Carrier for water treatment biofilm |
| CN1250751A (en) * | 1998-10-09 | 2000-04-19 | 盐城市环境保护新技术研究中心 | Frame-type woven high-molecular biomembane as filler in sewage treatment |
| CN201296708Y (en) * | 2008-11-24 | 2009-08-26 | 谢小东 | Complex type purification water treating apparatus |
| CN201334390Y (en) * | 2009-01-19 | 2009-10-28 | 李颖 | Stable suspended-type water quality eco-purification biological membrane zone |
-
2010
- 2010-04-23 CN CN2010101605588A patent/CN101838046B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644292A (en) * | 1987-06-25 | 1989-01-09 | Kohjin Co | Carrier for water treatment biofilm |
| CN1250751A (en) * | 1998-10-09 | 2000-04-19 | 盐城市环境保护新技术研究中心 | Frame-type woven high-molecular biomembane as filler in sewage treatment |
| CN201296708Y (en) * | 2008-11-24 | 2009-08-26 | 谢小东 | Complex type purification water treating apparatus |
| CN201334390Y (en) * | 2009-01-19 | 2009-10-28 | 李颖 | Stable suspended-type water quality eco-purification biological membrane zone |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283642A (en) * | 2013-05-10 | 2013-09-11 | 中国水产科学研究院南海水产研究所 | Water quality control method for indoor high-density temporary shrimp seed culture |
| CN103283642B (en) * | 2013-05-10 | 2015-08-19 | 中国水产科学研究院南海水产研究所 | A kind of prawn shrimp seedling indoor high-density supports regulating and controlling water quality method temporarily |
| CN104192986A (en) * | 2014-08-01 | 2014-12-10 | 浙江大学 | Short-cut nitrification reactor with seepage and self-oxygenation bacterial blanket and wastewater treatment method of short-cut nitrification reactor |
| CN104192986B (en) * | 2014-08-01 | 2016-01-20 | 浙江大学 | Seepage flow is from oxygenation bacterium blanket short distance nitration reactor and method of wastewater treatment thereof |
| CN108217982A (en) * | 2018-03-17 | 2018-06-29 | 凌建军 | A kind of method and device of packaged type Spawn incubation processing country sewage |
| CN109371937A (en) * | 2018-10-30 | 2019-02-22 | 江苏省农业科学院 | A kind of agricultural ecological irrigation canals and ditches based on periphyton |
| CN109867365A (en) * | 2019-03-11 | 2019-06-11 | 河海大学 | A kind of double triangle pipe valve control renewable ecological repair systems |
| CN109867365B (en) * | 2019-03-11 | 2021-09-28 | 河海大学 | Renewable ecological restoration system controlled by double triangular pipes through valves |
| CN113845288A (en) * | 2021-09-28 | 2021-12-28 | 无锡德林海环保科技股份有限公司 | Drying device and drying method thereof |
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| CN101838046B (en) | 2012-08-22 |
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