CN108557995A - Solid phase is sustained organic carbon source biological denitrification denitrogenation module - Google Patents
Solid phase is sustained organic carbon source biological denitrification denitrogenation module Download PDFInfo
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- CN108557995A CN108557995A CN201810122404.6A CN201810122404A CN108557995A CN 108557995 A CN108557995 A CN 108557995A CN 201810122404 A CN201810122404 A CN 201810122404A CN 108557995 A CN108557995 A CN 108557995A
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- Prior art keywords
- carrier
- carbon source
- denitrification
- solid phase
- organic carbon
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 42
- 239000007790 solid phase Substances 0.000 title claims abstract description 22
- 230000002459 sustained effect Effects 0.000 title claims abstract description 21
- 239000004814 polyurethane Substances 0.000 claims abstract description 24
- 229920002635 polyurethane Polymers 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000015556 catabolic process Effects 0.000 claims abstract description 8
- 238000006731 degradation reaction Methods 0.000 claims abstract description 8
- 241000894006 Bacteria Species 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- -1 poly- ammonia Ester Chemical class 0.000 claims 2
- 239000010865 sewage Substances 0.000 abstract description 20
- 244000005700 microbiome Species 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 7
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 5
- 239000000969 carrier Substances 0.000 abstract description 5
- 239000011496 polyurethane foam Substances 0.000 abstract description 5
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 208000028659 discharge Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000012223 aqueous fraction Substances 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
Abstract
The present invention provides solid phase and is sustained organic carbon source biological denitrification denitrogenation module, including denitrification denitrogenation ontology；Denitrification denitrogenation ontology includes envelope skeleton, the denitrification carrier made of PBS degradation materials, polyurethane foamed blocks；Denitrification carrier includes carrier element；Carrier element side wall is equipped with frosted line；Conducive to microorganism carry；Envelope skeletal internal envelope has several denitrification carriers and several polyurethane foamed blocks；PBS carriers while carbon source is provided, itself also can biofilm, be added polyurethane to improve activated bacterial quantity.The present invention mixes polyurethane foam block structure using denitrification carrier, increases carbon source and microorganism contact probability, on the one hand effectively avoids secondary pollution, on the other hand greatly reduce hand stock maintenance cost.Structure of the invention is reasonable, highly practical, is promoted and applied convenient for rural sewage treatment.
Description
Technical field
It is handled the present invention relates to the denitrification in water process more particularly to solid phase is sustained organic carbon source biological denitrification denitrogenation
Module.
Background technology
In terms of the development course of domestic and international pollution control, sewage disposal initial interest is mainly COD resolutions, but with people
Promotion to environmental quality requirement, sewage discharge require also gradually strictly getting up to the removal of nitrogen, phosphorus etc..In comparison, phosphorus
Chemical precipitation method can be utilized to remove, and the degradation of nitrogen then relies primarily on biological treatment, this requires sewage treatment process
Unit need to be reinforced considering Denitrogenation.
China's town sewage plant Effluent criteria is secondary discharge standard before 2002, wherein only ammonia nitrogen (NH3-N) refers to
Mark requires, and does not have total nitrogen index request, and in this case, NH3-N can be oxidized to nitrate nitrogen by aeration and biological processing procedure, realizes
Qualified discharge.But with people water quality is required it is increasingly strict, for cities and towns treatment plant treated foul water fraction
Side (city major river valley) has required to supplement water directly as landscape, in every water quality index, especially more with nitrogen discharged index
For harshness.
Currently, being typically employed in conventional two stage treatment for the domestic and international decentralized type sewage treatment facility of the removal of nitrogen in sewage
Depth denitrification is carried out afterwards and proposes mark transformation, and this technology is intended to the depth of the regional decentralized type sewage processing equipment such as key breakthrough rural area
Denitrification puies forward mark technology, and implementation focus engineering proposes mark transformation, completes utilization of wastewater resource degree.About denitrification denitrogenation：
The denitrogenation of waste water processing procedure that nitrate nitrogen in water is reduced into ammonia nitrogen using denitrifying bacteria and is removed it in turn.Denitrification
Bacterium is largely present in sewage, and reaction carries out under anoxic conditions, and oxygen in water should be less than 0.5mg/L.It is required that in sewage
There are a certain number of organic substances (can supplement and add secondary precipitation sludge, methanol, acetic acid etc.).
A certain number of floating stuffings are added in traditional denitrification filter pool, when sewage is continuously across reactor, specific surface
The larger filler of product gradually grows on its surface and is born because of stirring (aerobic reactor is air stirring) free movement in water
Object film, different oxygen and autotrophic microbe in biomembrane carry out metabolism using the nutriment in water, and then reach and decontaminate
The purpose of water pollutant, purified water；Because filler, water are all movements, therefore the mass transfer between gas and water, solid phase is preferable, on filler
The activity of biomembrane is higher, strong compared with traditional biological embrane method anti impulsion load, buffer capacity.
In domestic sewage in rural areas, because the case where pesticide or rainwater has that the more carbon of nitrogen are few, in sewage treatment filtering tank
Such as supplementary carbon source not in time, then total nitrogen removal effect is poor, and water outlet total nitrogen can not be up to standard；If according to traditional supplementary carbon source shape
Formula causes additive amount to mismatch because of amount of inlet water fluctuation, and carbon source, which adds, to be easy to excessively ultimately cause secondary pollution, another
The traditional biologic packing material of aspect such as denitrification carrier is granular or block structure, is unfavorable for microorganism attachment because surface area is small,
To be unfavorable for the slow release of carbon source, especially for rural sewage treatment because measuring little and unattended situation, need
Supplementary carbon source at regular time and quantity, manpower maintenance cost is high, is not easy to promotion and implementation.
Invention content
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide solid phases to be sustained organic carbon source biological denitrification
Denitrogenation module mixes polyurethane foam block structure using denitrification carrier, increases carbon source and microorganism contact probability, keeps carbon source slow
On The Drug Release, and absorbed by denitrifying bacteria rapidly, fast degradation nitrate, on the one hand effectively avoid secondary pollution, another party
Face greatly reduces hand stock maintenance cost.
The present invention provides solid phase and is sustained organic carbon source biological denitrification denitrogenation module, including denitrification denitrogenation ontology；It is described
Denitrification denitrogenation ontology includes envelope skeleton, the denitrification carrier made of PBS degradation materials, polyurethane foamed blocks；It is described
Envelope skeleton is the envelope ball that the hollow and surface made of plastics is equipped with several holes；The denitrification carrier includes carrier list
Member；The carrier element is hollow structure；The carrier element side wall is equipped with frosted line；If the envelope skeletal internal envelope has
Do the denitrification carrier and several polyurethane foamed blocks；Denitrifying bacteria biofilm is in the polyurethane foamed blocks and anti-nitre
Change on carrier, the denitrification carrier slow release carbon source.
Further, the carrier element is column, and the column surface is equipped with through-hole.
Further, the denitrification carrier is made of several carrier elements, phase between several carrier elements
It connects.
Further, the denitrification carrier is made of three carrier elements, and three carrier elements pass through triangle
Connector is connected with each other.
Further, the quantity of the through-hole is one, and the through-hole is located at column surface centre position.
Further, the polyurethane foamed blocks are rectangular block.
Further, the polyurethane foamed blocks wrap up the denitrification carrier.
Further, a diameter of 4mm-10mm of the through-hole.
Further, the wall thickness of the column is 2mm-4mm.
Further, the thickness of the column is 5mm-10mm.
Compared with prior art, the beneficial effects of the present invention are：
The present invention provides solid phase and is sustained organic carbon source biological denitrification denitrogenation module, including denitrification denitrogenation ontology；Anti- nitre
It includes envelope skeleton, the denitrification carrier made of PBS degradation materials, polyurethane foamed blocks to change denitrogenation ontology；Denitrification carries
Body includes carrier element；Carrier element side wall is equipped with frosted line；Conducive to microorganism carry；Envelope skeletal internal envelope has several anti-
Nitrify carrier and several polyurethane foamed blocks；PBS carriers while carbon source is provided, itself also can biofilm, be added polyurethane with
Improve activated bacterial quantity.The present invention mixes polyurethane foam block structure using denitrification carrier, increases carbon source and is connect with microorganism
Probability is touched, on the one hand secondary pollution is effectively avoided, on the other hand greatly reduces hand stock maintenance cost.Structure of the invention is closed
Reason, it is highly practical, it is promoted and applied convenient for rural sewage treatment.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
The specific implementation mode of the present invention is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is that the solid phase of the present invention is sustained organic carbon source biological denitrification denitrogenation modular structure schematic diagram；
Fig. 2 is that the solid phase of the present invention is sustained organic carbon source biological denitrification denitrogenation decomposition module structure schematic diagram；
Fig. 3 is a kind of carrier element structural schematic diagram of the present invention；
Fig. 4 is a kind of denitrification carrier structure schematic diagram of the present invention.
In figure：Denitrification denitrogenation ontology 1, polyurethane foamed blocks 2, envelope skeleton 3, denitrification carrier 10, carrier element 11,
Triangle connection element 12.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Solid phase is sustained organic carbon source biological denitrification denitrogenation module, as shown in Figure 1 and Figure 2, including denitrification denitrogenation ontology 1；
Denitrification denitrogenation ontology 1 includes envelope skeleton 3, the denitrification carrier 10 made of PBS degradation materials, polyurethane foamed blocks 2；
Envelope skeleton 3 is the envelope ball that the hollow and surface made of plastics is equipped with several holes；Denitrification carrier 10 includes carrier element
11；Carrier element 11 is hollow structure；11 side wall of carrier element is equipped with frosted line；As shown in Fig. 2, 3 inside envelope of envelope skeleton
There are several denitrification carriers 10 and several polyurethane foamed blocks 2；Denitrifying bacteria biofilm is carried in polyurethane foamed blocks 2 and denitrification
On body 10,10 slow release carbon source of denitrification carrier.Wherein, after denitrification carrier 10 is by PBS degradable biological particle fusions
Molding is made, surface frosted structure, adheres to convenient for microorganism, in domestic sewage in rural areas pipe network, because of the synthesis of rainwater and pesticide
Effect, causes nitrogen source excessive, and carbon source is relatively fewer, denitrifying bacteria biofilm on polyurethane foamed blocks 2 and denitrification carrier 10,
Denitrification carrier 10 is used as carbon source, denitrifying bacteria to be contacted with denitrification carrier 10 closely, 10 slow release carbon of denitrification carrier
Source makes denitrification denitrogenation reaction is lasting to carry out.In one embodiment, such as Fig. 2, polyurethane foamed blocks 2 are rectangular block, polyurethane foam
Foam block 2 wraps up denitrification carrier 10 so that denitrifying bacteria contacts even closer with denitrification carrier 10, and slow release effect is more preferably.
Usually, envelope skeleton 3 is made of plastics, is spliced by two hemisphere of the hollow and surface equipped with several through-holes, is convenient for anti-nitre
Change 1 fast assembling-disassembling of denitrogenation ontology.
As shown in figure 3, denitrification carrier 10 includes carrier element 11；Carrier element 11 is hollow structure；Carrier element 11
Side wall is equipped with frosted line；Denitrifying bacteria biofilm is reacted on 11 side wall of carrier element；The carrier being suspended in treatment sewage
Unit 11 carries out anti-nitration reaction；Flow runs through the hollow structure of carrier element 11 in filter tank.While increasing specific surface area,
The possibility that filler blocks is reduced, treatment effeciency is improved；On the other hand, the interior materials'use amount of unit volume is reduced, is reduced
PBS material costs.
In one embodiment, as shown in figure 3, carrier element 11 is column, column surface is equipped with through-hole.
In one embodiment, denitrification carrier is made of several carrier elements 11, is mutually interconnected between several carrier elements 11
It connects.As shown in figure 4, denitrification carrier is made of three carrier elements 11, three carrier elements 11 are mutual by triangle connection element 12
Connection.Specifically, the quantity of through-hole is one, and through-hole is located at column surface centre position.In general, in denitrification carrier 10
The aperture of hollow structure is 4mm-10mm, and the too small easy formation in aperture blocks, the excessive reduction for be easy to causeing denitrification efficiency in aperture；
The thickness of column is 5mm-10mm, and the wall thickness of column is 2mm-4mm.In one embodiment, a diameter of 6mm of through-hole, column
The thickness of shape body is 7mm, and the wall thickness of column is 3mm, and anti-nitration reaction efficiently and slow release, ensures denitrification efficiency,
Depth denitrification is realized without the case where manual maintenance or few manual maintenance.
Particularly, polyurethane foamed blocks 2 and denitrification carrier 10 are conducive to microorganism carry, to denitrification after microorganism carry
Carrier 10 carries out gnawing the slow release to be formed to carbon source；Denitrification carrier 10 is designed using tricyclic, denitrification carrier side wall
Equipped with frosted line, the more conducively biofilm of microorganism, so that film is formed, the time is shorter, and sustained release rate is very suitable for decentralized type sewage
Denitrogenation processing demand, concentration are reduced to 5mg/L hereinafter, the highest for meeting current rural domestic sewage treatment is wanted from 30-50mg/L
It asks, reaches national four class water quality standards.
The present invention provides solid phase and is sustained organic carbon source biological denitrification denitrogenation module, including denitrification denitrogenation ontology；Anti- nitre
It includes envelope skeleton, the denitrification carrier made of PBS degradation materials, polyurethane foamed blocks to change denitrogenation ontology；Denitrification carries
Body includes carrier element；Carrier element side wall is equipped with frosted line；Conducive to microorganism carry；Envelope skeletal internal envelope has several anti-
Nitrify carrier and several polyurethane foamed blocks；PBS carriers while carbon source is provided, itself also can biofilm, be added polyurethane with
Improve activated bacterial quantity.The present invention mixes polyurethane foam block structure using denitrification carrier, increases carbon source and is connect with microorganism
Probability is touched, on the one hand secondary pollution is effectively avoided, on the other hand greatly reduces hand stock maintenance cost.Structure of the invention is closed
Reason, it is highly practical, it is promoted and applied convenient for rural sewage treatment.
More than, only presently preferred embodiments of the present invention is not intended to limit the present invention in any form；All one's own professions
The those of ordinary skill of industry can be shown in by specification attached drawing and above and swimmingly implement the present invention；But all to be familiar with sheet special
The technical staff of industry without departing from the scope of the present invention, is made a little using disclosed above technology contents
The equivalent variations of variation, modification and evolution are the equivalent embodiment of the present invention；Meanwhile all substantial technologicals according to the present invention
To the variation, modification and evolution etc. of any equivalent variations made by above example, technical scheme of the present invention is still fallen within
Within protection domain.
Claims (10)
1. solid phase is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：Including denitrification denitrogenation ontology；It is described anti-
It includes envelope skeleton, the denitrification carrier made of PBS degradation materials, polyurethane foamed blocks to nitrify denitrogenation ontology；The packet
Network skeleton is the envelope ball that the hollow and surface made of plastics is equipped with several holes；The denitrification carrier includes carrier element；
The carrier element is hollow structure；The carrier element side wall is equipped with frosted line；The envelope skeletal internal envelope has several
The denitrification carrier and several polyurethane foamed blocks；Denitrifying bacteria biofilm is in the polyurethane foamed blocks and denitrification
On carrier, the denitrification carrier slow release carbon source.
2. solid phase as described in claim 1 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The carrier
Unit is column, and the column surface is equipped with through-hole.
3. solid phase as claimed in claim 2 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The anti-nitre
Change carrier to be made of several carrier elements, be connected with each other between several carrier elements.
4. solid phase as claimed in claim 3 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The anti-nitre
Change carrier to be made of three carrier elements, three carrier elements are connected with each other by triangle connection element.
5. as claim 2-4 any one of them solid phases are sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：
The quantity of the through-hole is one, and the through-hole is located at column surface centre position.
6. solid phase as claimed in claim 5 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The poly- ammonia
Ester foam block is rectangular block.
7. solid phase as claimed in claim 6 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The poly- ammonia
Ester foam block wraps up the denitrification carrier.
8. solid phase as claimed in claim 7 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The through-hole
A diameter of 10mm-20mm.
9. solid phase as claimed in claim 7 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The column
The wall thickness of body is 2mm-10mm.
10. solid phase as claimed in claim 7 is sustained organic carbon source biological denitrification denitrogenation module, it is characterised in that：The column
The thickness of shape body is 5mm-10mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122404.6A CN108557995A (en) | 2018-02-07 | 2018-02-07 | Solid phase is sustained organic carbon source biological denitrification denitrogenation module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122404.6A CN108557995A (en) | 2018-02-07 | 2018-02-07 | Solid phase is sustained organic carbon source biological denitrification denitrogenation module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233145A (en) * | 2020-01-16 | 2020-06-05 | 桂林理工大学 | Novel inorganic-organic material synergistic rapid-separation biochemical ball and preparation method thereof |
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