CN202829701U - Biofilm carrier - Google Patents
Biofilm carrier Download PDFInfo
- Publication number
- CN202829701U CN202829701U CN2012204353988U CN201220435398U CN202829701U CN 202829701 U CN202829701 U CN 202829701U CN 2012204353988 U CN2012204353988 U CN 2012204353988U CN 201220435398 U CN201220435398 U CN 201220435398U CN 202829701 U CN202829701 U CN 202829701U
- Authority
- CN
- China
- Prior art keywords
- biofilm carrier
- fin
- cylinder
- separation
- lower cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a biofilm carrier which comprises an upper cylindrical surface (11) and a lower cylindrical surface (12), and further comprises a separation fin. The upper cylindrical surface (11) and the lower cylindrical surface (12) correspond to each other along the length direction and are mutually separated. The upper portion and the lower portion of the separation fin are respectively connected with the inner walls of the upper cylindrical surface and the lower cylindrical surface, and are respectively divided into a plurality of separated spaces. According to the technical scheme, the biofilm carrier is two cylindrical surfaces which are mutually connected through the intersected separation fin. By means of the structure, the biofilm carrier possesses ideal voidage, ventilation performance and water passing performance. Furthermore, the specific surface area of the biofilm carrier is increased, the microorganism loading capacity of the carrier in unit volume is increased, the volumetric loading of a biological reaction tank is enhanced, different attaching spaces can also be supplied for microorganisms of different populations so that different biochemical reaction functional zones are formed, and the adaptability of the biofilm carrier to water impact is improved.
Description
Technical field
The utility model relates to a kind of biofilm carrier, particularly, relates to a kind of biofilm carrier for wastewater treatment.
Background technology
Biological contact oxidation process is a kind of biological effluent treatment that derives from from biomembrance process, it is the biologic treating technique between activated sludge process and biological filter, namely in biological contact oxidation pond, load the biofilm carrier of some amount, utilization is grown in microbial film on the carrier and the oxygen of ample supply, pass through biological oxidation, pollutant oxidation in the waste water is decomposed, reach the purification of waste water purpose.Biological contact oxidation process has the advantage of activated sludge process and biomembrance process concurrently, energy-efficient, the characteristics such as floor space is little, anti impulsion load, operational management convenience that this technique has, since occurring, obtain more and more investigators' attention, be widely used in the Sewage treatment systems of all trades and professions at present.
The place that biofilm carrier is rely and perched as microorganism is the core of biological contact oxidation process, and its performance quality is directly determining treatment effect and the returns of investment of technique.Usually, the suspending carrier density that biological contact oxidation process uses is close to water, directly place during use with biological contact oxidation pond in, microorganism grows at carrier surface, form the microbial film of one deck complexity, carrier is fixed or is suspended in water when aeration, and film, liquid, gas three-phase are fully contacted, thus so that pollution substance fast degradation.
The biofilm carrier shape of biological contact oxidation process is generally ring-type or three-dimensional spherical etc., regular shape, and voidage is large, and specific surface area does not wait to several thousand from hundreds of.Carrier adopts the plastics such as polyolefins (such as polyethylene, polypropylene) and material modified, polyvinyl chloride thereof and material modified, polyurethane foam thereof to make more.At present, bio-carrier mainly contains fixed carrier, suspension type carrier (soft, half soft, built-up type carrier), suspending carrier and new bio carrier etc.But in actual applications, these carriers are Shortcomings aspect the tightness of biofilm speed, biofilm amount and film and carrier.
The utility model content
The purpose of this utility model provides a kind of biofilm carrier, and this biofilm carrier has larger specific surface area and good carrier surface forming biofilm property.
To achieve these goals, the utility model provides a kind of biofilm carrier, wherein, this biofilm carrier comprises upper cylinder and lower cylinder relative along short transverse and that be separated from each other, upward cylinder and lower cylinder are total to cylinder and spacing H2, described biofilm carrier also comprises the separation fin, and this upper and lower of separating fin is connected with the inwall of described upper cylinder and lower cylinder respectively, and described separation fin is divided into respectively a plurality of compartments with described upper cylinder and lower cylinder.
Preferably, each described compartment part between cylinder and the lower cylinder on described is in communication with the outside.
Preferably, the height of described upper cylinder and lower cylinder equates to be H
1, the height H=2H of described biofilm carrier
1+ H
2
Preferably, outside surface and/or the internal surface of the sidewall of described upper cylinder and lower cylinder, and/or described separation fin is corrugated surface and/or is the bossed surface of tool.
Preferably, H
1/ H is 0.1-0.4.
Preferably, the sidewall of described upper cylinder and lower cylinder, and the thickness of described separation fin is 0.05mm-3mm.
Preferably, the proportion of described biofilm carrier is 0.90-0.99.
Preferably, described upper cylinder and lower cylinder are that cylindrical surface and diameter all are D.
Preferably, this biofilm carrier comprises that first separates fin and the second separation fin, and this first separation fin is along the diameter setting of described upper cylinder and lower cylinder, and this second separation fin is perpendicular to this first separation fin setting.
Preferably, described the second separation fin is 3 and arranges equally spacedly.
Preferably, H/D is 0.2-4.
Preferably, described upper cylinder and lower cylinder are that quadrangular face and the length of side all are D.
Preferably, this biofilm carrier comprises that first separates fin and the second separation fin, and this first separation fin is parallel to one group of opposing sidewalls setting of described upper cylinder and lower cylinder, and this second separation fin is perpendicular to this first separation fin setting.
Preferably, described the first separation fin is 3 and arranges equally spacedly, described second separates fin comprises that 1 long second is separated fin and 4 weak points the second separation fins, described length second is separated fin and is vertically divided 3 described the first separation fins equally, and 4 described weak points second are separated fins and divided equally respectively along 4 described compartments at the two ends of described length the second separation finned length direction.
Preferably, H/D is 0.2-4.
By technique scheme, biofilm carrier of the present utility model is interconnective two cylinders of separation fin by intersecting.Pass through said structure, make this biofilm carrier have desirable voidage, venting capability and mistake water-based energy, and increased the specific surface area of this biofilm carrier, strengthened the load of microorganisms amount of unit volume carrier, improved the volumetric loading of biological reaction tank, the different spaces of adhering to can also be provided for the microorganism of different population, form different biochemical reaction functional zone, improve biofilm carrier to the adaptive faculty of water slug.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification sheets, is used from explanation the utility model with following embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the side-view of the biofilm carrier of a kind of embodiment of the utility model;
Fig. 2 is the vertical view of the biofilm carrier of a kind of embodiment of the utility model;
Fig. 3 is the side-view of the biofilm carrier of the another kind of embodiment of the utility model;
Fig. 4 is the vertical view of the biofilm carrier of the another kind of embodiment of the utility model.
Description of reference numerals
12 times cylinders of cylinder on 11
21 first separate fin 22 second separates fin
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, do not doing in the situation of opposite explanation, the noun of locality that uses is normally indicated the direction as shown in the Figure of description such as " upper and lower, left and right ", and " inside and outside " typically refers to the inside and outside of space that the body of biofilm carrier of the present utility model encloses.
The utility model provides a kind of biofilm carrier, and wherein, this biofilm carrier comprises upper cylinder 11 and lower cylinder 12 relative along short transverse and that be separated from each other, and cylinder 11 and lower cylinder 12 are total to cylinder and spacing H on this
2, described biofilm carrier also comprises the separation fin, and this upper and lower of separating fin is connected with the inwall of described upper cylinder 11 and lower cylinder 12 respectively, and described separation fin is divided into respectively a plurality of compartments with described upper cylinder 11 and lower cylinder 12.
At first need to prove, as shown in figs. 1 and 3, upper cylinder 11 of the present utility model and lower cylinder 12 refer to cylindrical side, and should upper cylinder 11 relative along short transverse with lower cylinder 12, the line that refers to the center of cylinder 11 and lower cylinder 12 is the central axis of cylinder 11 and lower cylinder 12, so upper cylinder 11 and lower cylinder 12 is coplanar.Like this, biofilm carrier of the present utility model has desirable voidage, and fluid can pass through this biofilm carrier comparatively swimmingly, and can also increase the specific surface area of carrier, strengthens the charge capacity of microorganism, and improves the speed of biochemical reaction.
Shown in Fig. 2 and 4, separate the upper and lower of fin 2 respectively at the inwall connection of upper cylinder 11 and lower cylinder 12 for two.Preferably, the upper side edge of separation fin and the upper limb of described upper cylinder 11 are coplanar, and the lower rim of lower side and described lower cylinder 12 is coplanar.Separate fin for these two and in biofilm carrier of the present utility model, played main connection and supporting role.
Upper right cylinder 11 and lower right cylinder 12 are separated fin and are divided into a plurality of compartments, and has a determining deviation between upper right cylinder 11 and the lower right cylinder 12, that is to say the part between upper right cylinder 11 and lower right cylinder 12, sewage can contact with the separation fin from the side, so not only increase the specific surface area of biofilm carrier, and divided out a plurality of spaces that are separated from each other so that the space of adhering to of different microbial population to be provided in carrier inside.
By technique scheme, biofilm carrier of the present utility model is interconnective two cylinders of separation fin by intersecting.Pass through said structure, make this biofilm carrier have desirable voidage, venting capability and mistake water-based energy, and increased the specific surface area of this biofilm carrier, strengthened the load of microorganisms amount of unit volume carrier, improved the volumetric loading of biological reaction tank, the different spaces of adhering to can also be provided for the microorganism of different population, form different biochemical reaction functional zone, improve biofilm carrier to the adaptive faculty of water slug.
Preferably, each described compartment part between cylinder 11 and the lower cylinder 12 on described is in communication with the outside.
The gapped purpose of tool is and can forms the gap in the side of biofilm carrier between upper cylinder 11 and the lower cylinder 12, so that allow the interior water of biological reaction tank fully contact with the structure of biofilm carrier inside.Therefore in this preferred implementation, each compartment is in communication with the outside, and so not only so that water is more abundant with contacting of biofilm carrier, and utilizes more fully all compartments.
Preferably, the height of described upper cylinder 11 and lower cylinder 12 equates to be H
1, the height H=2H of described biofilm carrier
1+ H
2
The height of upper cylinder 11 and lower cylinder 12 is preferably equal, and whole biofilm carrier also can be regarded a cylinder as, the inside of this cylinder is provided with a plurality of separation fins and brachypterism sheet, the centre of cylinder have circumferential hoop around the slit, current can flow into from the part in the two ends of carrier and middle slit.
Preferably, outside surface and/or the internal surface of the sidewall of described upper cylinder 11 and lower cylinder 12, and/or described separation fin is corrugated surface and/or is the bossed surface of tool.
Outside surface and/or the internal surface of the sidewall of cylinder 11 and lower cylinder 12 can and/or be the bossed surface of tool for corrugated surface on described in the utility model.Separate in addition fin and also can and/or be the bossed surface of tool for corrugated surface.And corrugated surface also can adopt various ways, such as zig-zag, circular arc or other undulatory surfaces etc.In addition, upper cylinder 11, lower cylinder 12 and separation fin can have different surface characteristic, and the first separation fin 21 and the second separation fin 22, and also can have different surface characteristic between long the second separation fin and weak point the second separation fin.
Such format surface can suitably increase the specific surface area of biofilm carrier as required.And also can play good shock absorption for the surging force of current, thereby so that the microbial film on biofilm carrier surface be difficult for running off.
Preferably, H
1/ H is 0.1-0.4.Preferably, the sidewall of described upper cylinder 11 and lower cylinder 12, and the thickness of described separation fin is 0.05mm-3mm.
More than exemplify the dimensional parameters of the preferred implementation of biofilm carrier of the present utility model, preferably in above-mentioned scope, selected the manufacturing dimension of biofilm carrier, can obtain preferably wastewater treatment efficiency.But the utility model is not limited to this, can make according to actual needs.
Preferably, the proportion of described biofilm carrier is 0.90-0.99.Because biofilm carrier of the present utility model need to be suspended in the water usually, the material of therefore selecting proportion to be slightly less than water is made, thereby so that this biofilm carrier can be suspended in the sewage preferably.Usually, biofilm carrier of the present utility model is selected organic polymer material, generally adopts the materials such as polyethylene or polypropylene.
Preferably, described upper cylinder 11 and lower cylinder 12 are that cylindrical surface and diameter all are D.In this preferred implementation, upper cylinder 11 and lower cylinder 12 are preferably the cylindrical surface, and the diameter on two cylindrical surface all is D, and two cylindrical surface are total to central axis and concyclic cylinder, therefore can regard a large cylindrical surface as, disconnect at middle portion, upper cylindrical surface 11 is corresponding with lower cylindrical surface 12.
Preferably, this biofilm carrier comprises that first separates fin 21 and the second separation fin 22, and this first separation fin 21 is along the diameter setting of described upper cylinder 11 and lower cylinder 12, and this second separation fin 22 arranges perpendicular to this first separation fin 21.
This preferred implementation has exemplified a kind of set-up mode of separating fin, this separation fin comprises that first separates fin 21 and the second separation fin 22, first separates fin 21 along the diameter setting of described upper cylinder 11 and lower cylinder 12, second separates fin 22 perpendicular to this first separation fin 21, because first separates fin 21 along the diameter setting, and in the cylindrical surface, only have a diameter perpendicular to known diameter, that is to say that described the second separation fin 22 may radially not arrange.
Preferably, described the second separation fin 22 is 3 and arranges equally spacedly.
In this preferred implementation, this second separation fin 22 is 3, and arranges equally spacedly.Certainly, the utility model is not limited to above-described each embodiment, and the kind of separation fin and set-up mode and quantity can arrange according to actual needs.
Preferably, H/D is 0.2-4.More than exemplify the dimensional parameters of the preferred implementation of biofilm carrier of the present utility model, preferably in above-mentioned scope, selected the manufacturing dimension of biofilm carrier, can obtain preferably wastewater treatment efficiency.But the utility model is not limited to this, can make according to actual needs.
In addition, preferably, described upper cylinder 11 and lower cylinder 12 are that quadrangular face and the length of side all are D.
In another preferred implementation of the present utility model, upper cylinder 11 and lower cylinder 12 are preferably the quadrangular face, and the diameter of two quadrangular faces all is D, and two quadrangular faces are total to central axis and concyclic cylinder, therefore can regard a large quadrangular face as, disconnect at middle portion, upper quadrangular face 11 is corresponding with lower quadrangular face 12.
Preferably, this biofilm carrier comprises that first separates fin 21 and the second separation fin 22, and this first separation fin 21 is parallel to one group of opposing sidewalls setting of described four- prism face 11 and 12, and this second separation fin 22 arranges perpendicular to this first separation fin 21.
This preferred implementation has exemplified a kind of set-up mode of separating fin, this separation fin comprises that first separates fin 21 and the second separation fin 22, first separates one group of relative sidewall that fin 21 is parallel to the four-prism face, second separates fin 22 perpendicular to this first separation fin 21, namely perpendicular to the relative sidewall of another group.
Preferably, described the first separation fin 21 is 3 and arranges equally spacedly, described second separates fin 22 comprises that 1 long second is separated fin and 4 weak points the second separation fins, described length the second separation fin is vertically divided 21,4 described weak points the second separation fins of 3 described the first separation fins equally and is divided equally respectively along 4 described compartments at the two ends of described length the second separation fin.
Shown in Fig. 2 and 4, for the space with biofilm carrier inside is divided into a plurality of as far as possible, in preferred implementation of the present utility model, the first separation fin 21, the second separation fins 22 that are provided with 3 spaced sets comprise that 1 long second is separated fin and 4 weak points the second separation fins.Wherein, long second separates fin vertically divides 3 first separation fins 21 equally, 8 compartments biofilm carrier inside have been divided into, among 4 compartments at the two ends of separating fin along length second, 4 weak points second are set respectively and separate fin, so that these 4 compartments are separated into 8 compartments again, whole like this biofilm carrier inside just is divided into 4 larger compartments and 8 less compartments, and, these 12 compartments can both be on described part between four-prism face 11 and the lower four-prism face 12 all be in communication with the outside.
Certainly, only provided preferred embodiment a kind ofly herein, separation fin of the present utility model can be arranged to arbitrarily suitable form, and according to actual needs the separated by spaces of biofilm carrier inside is become any a plurality of compartment.
Preferably, H/D is 0.2-4.More than exemplify the dimensional parameters of the preferred implementation of biofilm carrier of the present utility model, preferably in above-mentioned scope, selected the manufacturing dimension of biofilm carrier, can obtain preferably wastewater treatment efficiency.But the utility model is not limited to this, can make according to actual needs.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible array modes.
In addition, also can carry out arbitrary combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (15)
1. a biofilm carrier is characterized in that, this biofilm carrier comprises upper cylinder (11) and lower cylinder (12) relative along short transverse and that be separated from each other, and cylinder on this (11) and lower cylinder (12) be cylinder and spacing H altogether
2Described biofilm carrier also comprises the separation fin, this upper and lower of separating fin is connected with the inwall of described upper cylinder (11) with lower cylinder (12) respectively, and described separation fin is divided into respectively a plurality of compartments with described upper cylinder (11) and lower cylinder (12).
2. biofilm carrier according to claim 1 is characterized in that, each described compartment part between cylinder (11) and the lower cylinder (12) on described is in communication with the outside.
3. biofilm carrier according to claim 1 is characterized in that, the height of described upper cylinder (11) and lower cylinder (12) equates to be H
1, the height H=2H of described biofilm carrier
1+ H
2
4. biofilm carrier according to claim 1 is characterized in that, outside surface and/or the internal surface of the sidewall of described upper cylinder (11) and lower cylinder (12), and/or described separation fin is corrugated surface and/or is the bossed surface of tool.
5. biofilm carrier according to claim 1 is characterized in that, H
1/ H is 0.1-0.4.
6. biofilm carrier according to claim 1 is characterized in that, the sidewall of described upper cylinder (11) and lower cylinder (12), and the thickness of described separation fin is 0.05mm-3mm.
7. biofilm carrier according to claim 1 is characterized in that, the proportion of described biofilm carrier is 0.90-0.99.
8. the described biofilm carrier of any one is characterized in that according to claim 1-7, and described upper cylinder (11) and lower cylinder (12) are that cylindrical surface and diameter all are D.
9. biofilm carrier according to claim 8, it is characterized in that, this biofilm carrier comprises that first separates fin (21) and the second separation fin (22), this first separation fin (21) is along the diameter setting of described upper cylinder (11) and lower cylinder (12), and this second separation fin (22) arranges perpendicular to this first separation fin (21).
10. biofilm carrier according to claim 9 is characterized in that, described the second separation fin (22) is 3 and arranges equally spacedly.
11. biofilm carrier according to claim 8 is characterized in that, H/D is 0.2-4.
12. the described biofilm carrier of any one is characterized in that according to claim 1-7, described upper cylinder (11) and lower cylinder (12) are that quadrangular face and the length of side all are D.
13. biofilm carrier according to claim 12, it is characterized in that, this biofilm carrier comprises that first separates fin (21) and the second separation fin (22), one group of opposing sidewalls that this first separation fin (21) is parallel to described upper cylinder (11) and lower cylinder (12) arranges, and this second separation fin (22) arranges perpendicular to this first separation fin (21).
14. biofilm carrier according to claim 13, it is characterized in that, described the first separation fin (21) is 3 and arranges equally spacedly, described second separates fin (22) comprises that 1 long second is separated fin and 4 weak points the second separation fins, described length second is separated fin and is vertically divided 3 described the first separation fins (21) equally, and 4 described weak points second are separated fins and divided equally respectively along 4 described compartments at the two ends of described length the second separation finned length direction.
15. biofilm carrier according to claim 12 is characterized in that, H/D is 0.2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204353988U CN202829701U (en) | 2012-04-13 | 2012-08-29 | Biofilm carrier |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220159742.5 | 2012-04-13 | ||
| CN201220159618 | 2012-04-13 | ||
| CN201220159618.9 | 2012-04-13 | ||
| CN201220159742 | 2012-04-13 | ||
| CN2012204353988U CN202829701U (en) | 2012-04-13 | 2012-08-29 | Biofilm carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202829701U true CN202829701U (en) | 2013-03-27 |
Family
ID=47941456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204353988U Expired - Lifetime CN202829701U (en) | 2012-04-13 | 2012-08-29 | Biofilm carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202829701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015136535A1 (en) * | 2014-03-11 | 2015-09-17 | Aqwise - Wise Water Technologies Ltd. | Biomass carrier and a method of manufacturing thereof |
-
2012
- 2012-08-29 CN CN2012204353988U patent/CN202829701U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015136535A1 (en) * | 2014-03-11 | 2015-09-17 | Aqwise - Wise Water Technologies Ltd. | Biomass carrier and a method of manufacturing thereof |
| CN106232224A (en) * | 2014-03-11 | 2016-12-14 | 艾克维斯智慧水务技术有限公司 | Biomass carrier and manufacture method thereof |
| US10196597B2 (en) | 2014-03-11 | 2019-02-05 | Aqwise-Wise Water Technologies Ltd | Biomass carrier and a method of manufacturing thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203498167U (en) | Microbial carrier and filler carrier | |
| CA2550121A1 (en) | Biomass carrier promoting simultaneous nitrification-de-nitrification | |
| CN103073108A (en) | Moving bed type purification tank | |
| CN115028264A (en) | Preposed anoxic sludge film composite biological nitrogen and phosphorus removal reactor and sewage treatment method | |
| CN202688098U (en) | Suspended biological filler for biological fluidized bed with sewage treatment function | |
| CN102225322A (en) | Reactor with interval filling bed | |
| CN203256030U (en) | Anaerobic bioreactor for enhancing wastewater treatment | |
| CN202594844U (en) | Biofilm carrier | |
| CN202482128U (en) | Biofilm carrier | |
| CN202829701U (en) | Biofilm carrier | |
| CN212050740U (en) | Integrated AO biofilm reactor | |
| KR100951109B1 (en) | A microorganism carrier and its manufacturing method | |
| CN202785790U (en) | Bio-film carrier | |
| CN202265487U (en) | Integrated efficient energy-saving sewage treatment device | |
| CN202297237U (en) | Biological film carrier | |
| CN202785789U (en) | Bio-film carrier | |
| CN202246220U (en) | Biomembrane carrier | |
| CN202246219U (en) | Biomembrane carrier | |
| CN202297236U (en) | Biofilm carrier | |
| CN103951061B (en) | A kind of refinery sewage in-situ upgrading qualified discharge treatment process | |
| CN202246218U (en) | Biomembrane carrier | |
| CN202246217U (en) | Biomembrane carrier | |
| CN110498509B (en) | High ammonia nitrogen sewage treatment device and sewage treatment method using same | |
| CN202482127U (en) | Biomembrane carrier | |
| CN202022791U (en) | Aerobic biological reactor applied to sewage treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |