CN209039143U - A kind of combined bio filler of nickel foam and iron carbon - Google Patents
A kind of combined bio filler of nickel foam and iron carbon Download PDFInfo
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- CN209039143U CN209039143U CN201821403794.6U CN201821403794U CN209039143U CN 209039143 U CN209039143 U CN 209039143U CN 201821403794 U CN201821403794 U CN 201821403794U CN 209039143 U CN209039143 U CN 209039143U
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Abstract
The utility model discloses the combined bio filler of a kind of nickel foam and iron carbon, including nickel foam, iron carbon particle is coated in the nickel foam；The nickel foam is ultra-thin knitmesh type laminated structure；The iron carbon particle matrix is cylindrical pellet, and appearance is covered with iron element spicule；The needle-shaped net uniform fold of irony is in iron carbon particle surface.Using technical solutions of the utility model, the energy consumption of waste water, waste gas cleaning system can be substantially reduced, process treatment process is not related to secondary pollution, and can sufficiently improve the purification efficiency of persistent organic pollutants.
Description
Technical field
The utility model belongs to electrochemical method processing organic wastewater, organic exhaust gas technical field, and in particular to a kind of bubble
The combined bio filler of foam nickel and iron carbon.
Background technique
Water and atmosphere are the important foundations of human lives' production, are the indispensable resources of the mankind.However, from twentieth century
Since, with industrial boom, more and more industrial wastes that are unprocessed or being partly processed permeate the ground, inject river
Surface water bodies, the type and quantity of waste water such as stream or lake rapidly increase, and seriously affect the water quality of aquifer and surface water body, add
The crisis of water resource is weighed, world's Water quality is generally on the hazard.Due to the complicated component of industrial wastewater, treatment of Organic Wastewater
It is more difficult also more important than municipal sewage treatment.Organic wastewater not only complicated component, contain toxicant, but also it is organic in waste water
Object is in the majority with aromatic compound and heterocyclic compound, more to contain sulfide, toxic organic compound.And coloration is high, there is peculiar smell.Have
A little waste water give out pungent stench, cause adverse effect to ambient enviroment, generate threat to the health and safety of the mankind.In addition,
The large number of chemical company gushed out with economic development, all discharges a large amount of industrial waste gas every year, a large amount of industry organic wastes
The discharge of gas, so that atmosphere quality sharply declines, industrial gas emission not up to standard leads to the organic of atmosphere into atmosphere
Compound is more and more, this substance is often with stench, not only to the irritating effect of the various sense organs of human body, and also it is many organic
Compound has certain toxicity, has seriously affected the health and safety of human lives, this constrains the existence of human society significantly
And expanding economy.
For the processing for solving the problems, such as the organic wastewater increased significantly and organic exhaust gas, water quality and sky are especially seriously destroyed
The hazardous contaminant difficult to degrade of makings amount, must just seek to invest low, operating cost is low, it is efficient, stable, have to dirt
The multi-functional characteristic of object removal is contaminated, especially there is good performance to the waste water of difficult for biological degradation, the processing of exhaust gas field even depth
Sewage treatment advanced technologies, for a long time bio-refractory organic wastewater, organic exhaust gas processing technique be always environment
Difficult point in improvement, traditional bioanalysis seem helpless when handling these organic matters, see with regard to present circumstances, to difficult to degrade
There are also raisings yet-to-be developed for the purification process of organic pollutant.
The wastewater processing technology currently existed includes physical method, chemical method, biological treatment etc., with other methods phase
Than, bioanalysis due to have many advantages, such as operating cost is low, processing capacity is big, it is applied widely and it is without secondary pollution and by pass
Note；Already existing exhaust gas treatment technology includes absorption method, absorption process, oxidizing process, biological treatment etc., with other processing techniques
It compares, biological treatment technology for waste gas high, at low cost and advantages of environment protection with treatment effeciency, therefore extensive by people
Concern.But since Components of Organic Pollutants is complicated, exists in waste water and be much difficult to biodegradable hazardous contaminant, it passes
The bioanalysis of system seems helpless in terms of handling these organic pollutants；Biological treatment technology for waste gas is related to organic matter
Gas-liquid mass transferring problem, mass-transfer efficiency is lower when the organic exhaust gas of traditional Biochemical method complicated component, imitates to the purification of exhaust gas
Rate is not high.So scholars have done numerous studies and improved on the basis of bioanalysis, discovery biofilm-electrode process is not only saved
Cost, moreover it is possible to improve the purification efficiency of organic pollutant.And advanced oxidation processes are because it is fast with reaction speed, has handled in the recent period
Entirely, the advantages that nuisanceless, applied widely, also gradually causes the attention of countries in the world, and has carried out the research of the direction in succession
With development.Electro-fenton process as a kind of high-level oxidation technology, because its technique relative maturity, it is simple, do not need special dress
Setting can be realized, and reactant and catalyst of the iron as oxidation reaction, there is economic advantages, so being widely used in difficult biology
The field of wastewater of degradation.Domestic and foreign scholars have done a lot of research work to biofilm-electrode process and electric Fenton technology, compared to biography
The advantages of electrode is utilized in the bioanalysis of system, biofilm-electrode process and electric Fenton technology, not only has that process is short, small investment, fortune
The advantages that row expense is low, convenient operation and management, electron donor also enhances microorganism to the degradation efficiency of organic pollutant, into one
Step has pushed organic wastewater, organic exhaust gas purifying system to develop to efficient low-consume direction, and future in engineering applications is very wide.
The Chinese utility model patent of Patent No. ZL201020166785.7 discloses a kind of Raschig ring filler, including ring
Ontology is equipped with 2~5 circular holes on the ring wall of ring body, improves the porosity of Raschig ring and the circulation of fluid, make flow
Disperse more uniform, to improve the working efficiency of filler, but the secured intensity of the Raschig ring declines, and the Raschig ring
Packing specific area is smaller, in bio-trickling device, is unfavorable for bio-film colonization, and it is higher and cause also to have packing pressure drop
The problem of bio-trickling device blocks.The Raschig ring filler is relatively suitable as chemical filler.
The Chinese utility model patent application of Publication No. CN102060374A discloses a kind of system of composite biological packing
Preparation Method, using organic filler polyvinyl chloride as skeleton, organic filler polyvinyl chloride skeleton is polyhedron empty ball shape or Bauer annular；
By by organic filler polyvinyl chloride skeleton immerse mass concentration be 25%~35% poly-vinyl alcohol solution, then by zeolite with it is swollen
Swollen vermiculite granule (40~60 mesh) is adhered to processed polyvinyl chloride skeleton surface after mixing by a certain percentage, after aeration-drying
Composite biological packing is made；The composite biological packing is the combination of inorganic filler and organic filler, and rough surface shortens micro- life
The time of object biofilm improves the impact resistance of microbial population.Although the composite biological packing is in organic filler polychlorostyrene second
Inorganic filler zeolite and expanded vermiculite particle are adhered in alkene skeleton surface, so that microorganism is easy biofilm, but to packing pressure drop
It has little effect, compares and be suitable for use in processing organic wastewater, when being used in processing organic exhaust gas in bio-trickling device, ratio
Surface area is smaller, causes biofilm biomass few, and does not ensure that the stability of composite surface material, may be multiple because of surface
Condensation material and falling off for biomembrane cause the obstructing problem of bio-trickling device.
Good biologic packing material should have the peeling that large specific surface area, porosity are high, are conducive to aging biomembrane update, is honest and clean
The features such as valence is easy to get and support strength is good.Therefore, for current industrial organic exhaust gas, the emission performance of waste water, research and development
Biologic packing material efficiently, applicable out, the long-term efficiently, stable operation by the biological treatment device for becoming industrial organic exhaust gas, waste water
One step of key.
Either biofilm-electrode process or electric Fenton technology, require suitable biologic packing material, can load well
Biomembrane, and have stronger electric conductivity.In previous electrochemical method processing waste water, exhaust gas, since electrode material utilization is low,
It is difficult to attached biological film and greatly reduces the degradation efficiency of organic pollutant.So seeking more appropriate electrode material extremely
It is important.
Utility model content
For the deficiency of current waste water, exhaust emission characteristic and existing biotechnology, the utility model provides a kind of bubble
The combined bio filler of foam nickel and iron carbon can substantially reduce the energy consumption of waste water, waste gas cleaning system, process mistake
Journey is not related to secondary pollution, and can sufficiently improve the purification efficiency of persistent organic pollutants.
A kind of combined bio filler of nickel foam and iron carbon, including nickel foam are coated with iron carbon in the nickel foam
Particle.The combined bio filler of nickel foam and iron carbon particle in waste water, exhaust gas purifying treatment system, including several
It is coated with iron carbon particle, the nickel foam based on the needle-shaped net support of irony, is stacked in electro-Fenton reactor in state at random, accumulation
Density is small, and with large specific surface area, porosity is high, unit volume biomass is big and settleability is good, electric conductivity is strong, bulk density
Small, resistance coefficient is low, support strength is good and is conducive to the characteristics such as fluid liquid Uniform Flow.
Preferably, the nickel foam be ultra-thin continuous foam nickel, the nickel foam be it is three-dimensional netted, greatly increase
The specific surface area of the nickel foam produces H2O2Ability, and be conducive to the Uniform Flow of fluid liquid.Further preferably, described
The aperture of nickel foam is 0.5mm~1mm, and with a thickness of 1mm~2mm, geometric dimension is 15mm × 15mm.To the aperture of nickel foam and
Thickness limit is in suitable range, so that nickel foam size is based on nickel foam size, to the big of iron carbon particle in suitable range
Small and shape is further to be limited, and supports nickel foam in the iron carbon particle surface needle-shaped net of distribution irony, make it is practical
The combined bio filler of novel foam nickel and iron carbon have large specific surface area, easy bio-film colonization, settleability it is good, it is active it is strong, lead
Electrically strong and production H2O2And Fe2+Ability it is strong, be conducive to fluid liquid Uniform Flow.
The iron carbon particle is entity made of iron carbon dust, cylindrical, it is described it is cylindrical be substantially in circle
Cylinder, however not excluded that some irregular cylindrical bodies, the needle-shaped net of iron carbon particle surface distribution irony are supported and are coated in nickel foam,
To enhance the intensity and settleability of nickel foam.The cylindric iron carbon particle has and is easy to generate Fe2+Characteristic, and can have
Effect reduces impedance caused by the transmitting of substance and electronics in reaction process, has the characteristics that settling property is good, electric conductivity is strong.
Preferably, the internal diameter of the iron carbon particle is 10mm~12mm, the height of the iron carbon particle be 8mm~
10mm.The needle-shaped net of irony on iron carbon particle surface, material is irony, with needle-shaped cross-distribution, the length is 1.5mm~
2.5mm.With large specific surface area, the characteristic for being easy to microorganism attachment and growing, active strong, taking off conducive to aging biomembrane
It falls, update, have settling property good, the feature that current density is big, electric conductivity is strong.
The combined bio filler of a kind of nickel foam based on the utility model and iron carbon provides a kind of nickel foam and iron carbon
Combined bio filler preparation method, iron carbon particle is fully wrapped around in sheet-formed foam nickel, and shape is spherical in shape, foam
Nickel is supported in iron carbon particle surface by the needle-shaped net of irony；
Wherein, nickel foam is prepared using electro-deposition techniques, and nickel foam is the polyester polyurethane using mechanical explosion aperture
Foamed plastics, foamed plastics are made of the dodecahedron structure unit with pentagon window；
The cylindric iron carbon particle that the iron carbon particle is combined by iron and carbon, is put into Hi-Stren steel water and connects
It is continuous to be cooled into.
Compared with prior art, the utility model has the advantages that
A kind of preparation and application of the combined bio filler of nickel foam and iron carbon of the utility model, can not only active set
Impedance caused by the transmitting of junction current, during the reaction substance and electronics is smaller, greatly strengthens the conduction of reactor system
Property, and there is biggish specific surface area and higher porosity, is easy to that bio-film colonization, unit volume biomass are big, accumulation is close
It spends small, the degradation efficiency of organic pollutant can be effectively improved, especially suitable in biofilm-electrode process.Gu Zhen Australia et al. passes through ratio
H is produced compared with graphite, carbon fiber felt, foam copper, foamed nickel catalyst2O2Amount, discovery nickel foam H is produced in 1h2O2Amount is remaining electrode
Produce H2O2Three times of amount.Nickel foam has relatively good H2O2Catalytic effect, especially suitable for electric Fenton technical treatment organic waste
In the system of water.
Nickel foam is tridimensional network, has excellent cathode performance, but its quality is lighter, in water in floating
State is unfavorable for the electric conductivity of enhancing reactor system, is less useful for bio-film colonization, so the settleability and conduction of improvement nickel foam
Property is particularly significant.The utility model highlights, the production method of a kind of nickel foam and the combined bio filler of iron carbon with it is excellent
Point, it is intended to seek more suitable biologic packing material.Therefore, it for current organic wastewater, Organic Waste Gas Pollution characteristic, researchs and develops
Efficiently, applicable biologic packing material will become the long-term efficient, stable operation of persistent organic pollutants processing unit in waste water and gas
One step of key.
The combined bio filler of the utility model nickel foam and iron carbon is using nickel foam and the table being coated in nickel foam
The iron carbon particle of the needle-shaped net of EDS maps irony combines, and manufacture craft is simpler, and material requested is cheap and easy to get, has property and structure
The advantages that stabilization, large specific surface area, electric conductivity are strong, settleability is good and support strength is high.The utility model nickel foam and surface
The combined bio filler for being distributed the iron carbon particle of the needle-shaped net of irony is led using organic wastewater, the exhaust gas in difficult for biological degradation
Domain, practical value are larger.
The combined bio filler of the utility model nickel foam and iron carbon has the advantage that 1) large specific surface area, hole
Rate is high, can accommodate active material to greatest extent；2) bulk density is small, airstream drag coefficient is low, there is uniform surface density；3)
Unit volume biomass is big, pollutant removal load is high；4) support strength height, stable structure, be not easy to be compacted, have it is good can
Weldering property；5) it can guarantee the Uniform Flow characteristic of fluid liquid, and be conducive to falling off, updating for aging biomembrane；6) current density
Greatly, electric conductivity is strong；7) settling property is good, treatment process stable system；8) H is produced2O2And Fe2+Ability it is strong.
Polyester urethtme foam of the continuous foam nickel using mechanical explosion aperture, continuous foam nickel
Electro-deposition manufacturing technology can be divided by electricity conduction method: chemically coated nickel method, dip-coating conducting resinl method, vaccum gas phase sedimentation method.It presses
Electro-deposition mode can be divided into two kinds of electrodeposition process (wet process) and vapour deposition process (dry method).And electrodeposition process is divided into flat plating and erects
Plate two kinds of forms.
The silk that the continuous foam nickel constitutes nickel foam reticular structure is ducted body, and section is triangular in shape, hollow
The volume of celled portion accounts for the 1.5%~3.0% of overall porosity；Products obtained therefrom porosity is all larger than 95.8% under the conditions of each.
The combined bio filler of the utility model nickel foam and iron carbon is suitable for waste water, organic waste gas purifying treatment system
In, it being handled in organic wastewater with difficult degradation thereby device particularly suitable for electro-fenton process, various aspects of performance is superior to common biologic packing material,
So as to substantially reduce the energy consumption of electric Fenton device, and it can sufficiently improve the purification efficiency of hardly degraded organic substance.Therefore, it steeps
Foam nickel and the combined bio filler of the iron carbon of the surface distribution needle-shaped net of irony are huge in field of wastewater application prospect difficult to degrade.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the combined bio filler of the utility model nickel foam and iron carbon.
Attached drawing mark: iron carbon particle 1, nickel foam 2, the needle-shaped net 3 of irony.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model provides the combined bio filler of a kind of nickel foam and iron carbon, including nickel foam 2,
Iron carbon particle 1 is coated in the nickel foam 2.Nickel foam and iron carbon particle in waste water, exhaust gas purifying treatment system
Combined bio filler, the nickel foam 2 for being coated with iron carbon particle 1 including several, being supported based on the needle-shaped net 3 of irony, in electricity
It is stacked in Fenton reactor in state at random, bulk density is small, has large specific surface area, porosity height, unit volume biomass
Big and settleability is good, electric conductivity is strong, and bulk density is small, and resistance coefficient is low, support strength is good and is conducive to fluid liquid Uniform Flow
Etc. characteristics.
Claims (7)
1. the combined bio filler of a kind of nickel foam and iron carbon, including nickel foam (2), which is characterized in that the nickel foam (2)
Inside it is coated with iron carbon particle (1).
2. the combined bio filler of a kind of nickel foam according to claim 1 and iron carbon, which is characterized in that the foam
Nickel (2) is ultra-thin knitmesh type laminated structure.
3. the combined bio filler of a kind of nickel foam according to claim 1 and iron carbon, which is characterized in that the iron carbon
Particle (1) matrix is cylindrical pellet, and appearance is covered with the needle-shaped net of irony (3).
4. the combined bio filler of a kind of nickel foam according to claim 3 and iron carbon, which is characterized in that the irony
Needle-shaped net (3) uniform fold is in iron carbon particle (1) surface.
5. the combined bio filler of a kind of nickel foam according to claim 1 and iron carbon, which is characterized in that the foam
Nickel (2) aperture is 0.5mm~1mm, and the nickel foam (2) is highly 1mm~2mm, and nickel foam (2) length is 15mm, institute
Stating nickel foam (2) width is 15mm.
6. the combined bio filler of a kind of nickel foam according to claim 1 and iron carbon, which is characterized in that the iron carbon
Particle (1) matrix is cylindrical pellet, and iron carbon particle (1) base diameter is 10mm~12mm, and the iron carbon particle (1) is high
Degree is 8mm~10mm.
7. the combined bio filler of a kind of nickel foam according to claim 1 and iron carbon, which is characterized in that the iron carbon
The needle-shaped net of irony (3) on particle (1) surface, material is irony, and with needle-shaped cross-distribution, the length is 1.5mm~2.5mm.
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| CN201821403794.6U CN209039143U (en) | 2018-08-29 | 2018-08-29 | A kind of combined bio filler of nickel foam and iron carbon |
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| CN201821403794.6U CN209039143U (en) | 2018-08-29 | 2018-08-29 | A kind of combined bio filler of nickel foam and iron carbon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748380A (en) * | 2018-08-29 | 2019-05-14 | 郑州轻工业学院 | A kind of combined bio filler and preparation method thereof of nickel foam and iron carbon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748380A (en) * | 2018-08-29 | 2019-05-14 | 郑州轻工业学院 | A kind of combined bio filler and preparation method thereof of nickel foam and iron carbon |
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