CN109748380A - A kind of combined bio filler and preparation method thereof of nickel foam and iron carbon - Google Patents
A kind of combined bio filler and preparation method thereof of nickel foam and iron carbon Download PDFInfo
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- CN109748380A CN109748380A CN201910240934.5A CN201910240934A CN109748380A CN 109748380 A CN109748380 A CN 109748380A CN 201910240934 A CN201910240934 A CN 201910240934A CN 109748380 A CN109748380 A CN 109748380A
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- 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
- C02F3/005—Combined electrochemical biological processes
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- 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
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
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Abstract
The invention discloses the combined bio filler and preparation method thereof of a kind of nickel foam and iron carbon, a kind of combined bio filler of nickel foam and iron carbon, including nickel foam is coated with iron carbon particle in nickel foam；Nickel foam is ultra-thin knitmesh type laminated structure；Iron carbon particle matrix is cylindrical pellet, and appearance is covered with iron element spicule；A kind of preparation method of the combined bio filler of nickel foam and iron carbon, iron carbon particle is fully wrapped around in sheet-formed foam nickel, and shape is spherical in shape, and nickel foam 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 using the polyester urethtme foam of mechanical explosion aperture, and foamed plastics is made of the dodecahedron structure unit with pentagon window；Using technical solution of the present invention, 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 invention belongs to electrochemical methods to handle organic wastewater, organic exhaust gas technical field, and in particular to a kind of nickel foam
With the combined bio filler of iron carbon and preparation method thereof.
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 invention patent application of Publication No. CN102060374A discloses a kind of preparation side of composite biological packing
Method, using organic filler polyvinyl chloride as skeleton, organic filler polyvinyl chloride skeleton is polyhedron empty ball shape or Bauer annular；Pass through
Organic filler polyvinyl chloride skeleton is immersed into the poly-vinyl alcohol solution that mass concentration is 25%~35%, then by zeolite and expands leech
Stone particle (40~60 mesh) is adhered to processed polyvinyl chloride skeleton surface after mixing by a certain percentage, is made after aeration-drying
Composite biological packing；The composite biological packing is the combination of inorganic filler and organic filler, and rough surface shortens microorganism extension
The time of film improves the impact resistance of microbial population.Although the composite biological packing is in organic filler polyvinyl chloride bone
Inorganic filler zeolite and expanded vermiculite particle are adhered in frame surface, so that microorganism is easy biofilm, but almost to packing pressure drop
It does not influence, compares and be suitable for use in processing organic wastewater, when being used in processing organic exhaust gas in bio-trickling device, specific surface
Product is smaller, causes biofilm biomass few, and do not ensure that the stability of composite surface material, may be because of surface recombination material
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.
Summary of the invention
For the deficiency of current waste water, exhaust emission characteristic and existing biotechnology, the present invention provides a kind of nickel foams
With the combined bio filler of iron carbon and preparation method thereof, the energy consumption of waste water, waste gas cleaning system, work can be substantially reduced
Skill treatment process 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 in iron carbon particle surface distribution irony needle-shaped net support nickel foam, make the present invention
The combined bio filler of nickel foam and iron carbon has that large specific surface area, easy bio-film colonization, settleability be good, active strong, electric conductivity
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.
It is the present invention also provides the preparation method of a kind of nickel foam and the combined bio filler of iron carbon, iron carbon particle is complete
It wraps up in sheet-formed foam nickel, shape is spherical in shape, and nickel foam 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 present invention has the advantage that
A kind of preparation and application of the combined bio filler of nickel foam and iron carbon of the invention, can not only effectively assemble electricity
Stream, impedance caused by the transmitting of substance and electronics is smaller during the reaction, greatly strengthens the electric conductivity of reactor system, and
And there is biggish specific surface area and higher porosity, it is easy to that bio-film colonization, unit volume biomass is big, bulk density is small,
The degradation efficiency that organic pollutant can be effectively improved, especially suitable in biofilm-electrode process.Gu Zhen Australia et al. is by comparing stone
Ink, carbon fiber felt, foam copper, foamed nickel catalyst produce H2O2Amount, discovery nickel foam H is produced in 1h2O2Amount is that remaining electrode produces
H2O2Three times of amount.Nickel foam has relatively good H2O2Catalytic effect, especially suitable for electric Fenton technical treatment organic wastewater
System in.
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 present invention highlights, a kind of production method and advantage of nickel foam and the combined bio filler of iron carbon, purport
Seeking more suitable biologic packing material.Therefore, for current organic wastewater, Organic Waste Gas Pollution characteristic, research and develop efficiently,
Applicable biologic packing material will become long-term efficient, stable operation the pass of persistent organic pollutants processing unit in waste water and gas
One step of key.
The combined bio filler of nickel foam of the present invention and iron carbon is using nickel foam and the surface being coated in nickel foam point
The iron carbon particle of the needle-shaped net of cloth irony combines, and manufacture craft is simpler, and material requested is cheap and easy to get, has property and structure steady
Calmly, the advantages that large specific surface area, electric conductivity is strong, settleability is good and support strength is high.Nickel foam of the present invention and surface are distributed iron
The combined bio filler of the iron carbon particle of the needle-shaped net of matter is practical using the organic wastewater in difficult for biological degradation, exhaust gas field
It is worth larger.
The combined bio filler of nickel foam of the present invention and iron carbon has the advantage that 1) large specific surface area, porosity are high,
Active material can be accommodated 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 good solderable
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 is big,
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 nickel foam of the present invention and iron carbon suitable for waste water, organic waste gas purifying treatment system,
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, from
And the energy consumption of electric Fenton device can be substantially reduced, and can sufficiently improve the purification efficiency of hardly degraded organic substance.Therefore, foam
The combined bio filler of nickel and the iron carbon of the surface distribution needle-shaped net of irony is 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 nickel foam of the present invention and iron carbon.
Attached drawing mark: iron carbon particle 1, nickel foam 2, the needle-shaped net 3 of irony.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides the combined bio filler of a kind of nickel foam and iron carbon, including nickel foam 2, it is described
Nickel foam 2 in be coated with iron carbon particle 1.The group of nickel foam and iron carbon particle in waste water, exhaust gas purifying treatment system
Box-like biologic packing material, 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 electric Fenton
Stacked in reactor in state at random, bulk density is small, have that large specific surface area, porosity are high, unit volume biomass is 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 the spies such as fluid liquid Uniform Flow
Property.
The nickel foam 2 be ultra-thin continuous foam nickel, the nickel foam 2 be it is three-dimensional netted, considerably increase the bubble
The specific surface area of foam nickel 2 produces H2O2Ability, and be conducive to the Uniform Flow of fluid liquid.Further preferably, the foam
The aperture of nickel 2 is 0.5mm~1mm, and with a thickness of 1mm~2mm, geometric dimension is 15mm × 15mm.Aperture and thickness to nickel foam 2
Degree is limited to suitable range, so that 2 size of nickel foam is based on 2 size of nickel foam, to iron carbon particle 1 in suitable range
Size and shape is further is limited, and support nickel foam 2 in the needle-shaped net 3 of 1 surface of iron carbon particle distribution irony, make this
The combined bio filler of inventive foam nickel 2 and iron carbon 1 have large specific surface area, easy bio-film colonization, settleability it is good, it is active it is strong,
Electric conductivity is strong and produces H2O2And Fe2+Ability it is strong, be conducive to fluid liquid Uniform Flow.
The iron carbon particle 1 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 3 of 1 surface of iron carbon particle distribution irony support and be coated on nickel foam 2
In, to enhance the intensity and settleability of nickel foam 2.The cylindric iron carbon particle 1 has and is easy to generate Fe2+Characteristic, and
Impedance caused by the transmitting of substance and electronics in reaction process can be effectively reduced, has the characteristics that settling property is good, electric conductivity is strong.
The internal diameter of the iron carbon particle 1 is 10mm~12mm, and the height of the iron carbon particle 1 is 8mm~10mm.It is described
The needle-shaped net 3 of the irony on 1 surface of iron carbon particle, material is irony, and with needle-shaped cross-distribution, the length is 1.5mm~2.5mm.Tool
The characteristic for having large specific surface area, being easy to microorganism attachment and growth, it is active it is strong, conducive to the falling off of aging biomembrane, update,
It is good with settling property, the feature that current density is big, electric conductivity is strong.
It is the present invention also provides the preparation method of a kind of nickel foam and the combined bio filler of iron carbon, iron carbon particle 1 is complete
In full package to sheet-formed foam nickel 2, shape is spherical in shape, and nickel foam 2 is supported in 1 surface of iron carbon particle by the needle-shaped net 3 of irony；
Wherein, the preparation method of nickel foam 2 is more, has foaming, carbonyl nickel method, leaching nickel salt pyrolysismethod, low-temperature gaseous phase heavy
Area method, sintering process, electroless plating method, the conductive slurry processes of painting, plasma and magnetron sputtering method etc..Industrialized production mainly uses coating electric
Slurry processes, electroless plating method and plasma sputtering method etc. are to carry out conducting through these three methods using polyurethane foam plastics as skeleton
Processing, then carry out electro-deposition and heat treatment.
The preparation process of nickel foam 2 are as follows: polyurethane foam → roughening → sensitization → activation → chemical nickel plating → electroformed nickel →
Pyrolysis → heat treatment.Roughening uses KMnO4+H2SO4Technique makes percent opening reach 99% or more；Sensitization, activation are using conventional chlorinating
Stannous and palladium chloride technique, chemical nickel plating use the alkaline low-temperature nickel plating technology using sodium hypophosphite as reducing agent；Electroformed nickel is adopted
With nickel sulfate system solution, anode uses electrolytic nickel, the foam after chemical nickel plating is fixed on conductive frame and makees cathode, power supply is adopted
With can constant pressure and flow control silicon controlled rectifier (SCR)；Heat resolve defoams core model skeleton, is then heat-treated in the case where restoring atmosphere
Obtain nickel foam 2.
Nickel foam 2 specific steps are as follows:
1. polyurethane foam plastics matrix is immersed in dehydrated alcohol, stirs extruding repeatedly with glass bar, grasp at room temperature
Make 15min.It takes out, three times with distilled water flushing.Foamed plastics is immersed into 1molL at room temperature-1In sodium hydroxide solution
15min is constantly squeezed with glass bar, is allowed to impregnate uniform taking-up, three times with distilled water flushing, foamed plastics is immersed 1mol
L-115min in hydrochloric acid solution, is constantly squeezed with glass bar, is allowed to impregnate uniform.It takes out, three times with distilled water flushing, 30 DEG C of bakings
It does spare.
2. activating solution (Salt-Based Colloid Palladium) is preheated, it is put into the foamed plastics of drying, is constantly squeezed and is stirred with glass bar, with
Afterwards wash with distilled water until distilled water is in colourless.The then dispergation 5min in solution glue, wash with distilled water.
3. by the foam matrix after activation low-temperature alkali condition elder generation chemical nickel plating 20min (condition: nickel sulfate 30~
40g·L-1, 30~40gL of sodium hypophosphite-1, three kinds of 24~28gL of complexing agent-1, 15~20gL of ammonium chloride-1, triethanolamine
10~16mlL-1, 15~20mgL of Potassiumiodate-1, 25~30 DEG C of temperature, pH8.0~8.5)；Then electronickelling 100min (item
Part: 80~90gL of nickel sulfate-1, 90~100gL of nickel chloride-1, 40~45gL of boric acid-1, Isosorbide-5-Nitrae-butynediols 0.4~
0.8g·L-1, 1.0~1.4gL of saccharin-1, 80~120mgL of lauryl sodium sulfate-1, pH3~4,35~40 DEG C of temperature,
1~1.5Adm of current density-2).Nickel foam 2 can be obtained.
Embodiment 1
As shown in Figure 1, the combined bio filler of nickel foam of the present invention and iron carbon particle, including nickel foam 2, nickel foam 2
Interior fixation is coated with the iron carbon particle 1 of the surface distribution needle-shaped net 3 of irony, and nickel foam 2 is continuous foam nickel, the aperture of nickel foam 2
For 0.5mm~1mm, nickel foam 2 with a thickness of 1mm~2mm, 2 geometric dimension of nickel foam is 15mm × 15mm.In iron carbon particle 1
Diameter is 10mm~12mm, and the height of iron carbon particle 1 is 8mm~10mm.It is needle-shaped that piece of foam nickel 2 coats a surface distribution irony
3 iron carbon particle 1 of net, the needle-shaped net 3 of irony are used to support nickel foam 2.Nickel foam 2 is super-thin sheet-shaped nickel foam 2, and iron carbon particle 1 is
The cylindric solid that iron carbon dust is mixed.
The technical indicator class table content of the present embodiment is as follows:
Embodiment 2
Reactor is that will contain 100mgNm respectively under normal temperature condition-3And 120mgNm-3Dimethylbenzene and ethyl acetate
Hybrid analog-digital simulation exhaust gas 100Lh-1It is passed through in the Electrode-biofilm membrane reactor of this built-in biologic packing material, residence time 1min, detection
The tail gas purified, as a result are as follows: dimethylbenzene and ethyl acetate removal efficiency are respectively 91.1% and 95.5%.
Embodiment 3
Reactor is to contain 10mgL for 20 DEG C of mean temperature under normal temperature condition-1Waste water from dyestuff 20Lh-1It is passed through built-in
In the Electrode-biofilm membrane reactor of this biologic packing material, residence time 20min detects reactor outlet COD, as a result are as follows: COD removal
Efficiency is 83.7%.
Embodiment 4
Reactor is to contain 210mgNm for 20 DEG C of mean temperature under normal temperature condition-3Dimethylbenzene simulated exhaust 120Lh-1In the Electrode-biofilm membrane reactor of this biologic packing material, residence time 1min detects reactor outlet tail gas, as a result are as follows: dimethylbenzene
Removal efficiency is 77.2%.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
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 iron element spicule (3).
4. the combined bio filler of a kind of nickel foam according to claim 1 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.
8. the preparation method based on nickel foam a kind of in claim 1,2 or 3 Yu the combined bio filler of iron carbon, feature exist
In iron carbon particle (1) is fully wrapped around interior to sheet-formed foam nickel (2), and shape is spherical in shape, and nickel foam (2) is by the needle-shaped net of irony
(3) it is supported in iron carbon particle (1) surface；
Wherein, nickel foam (2) is prepared using electro-deposition techniques, and nickel foam (2) is the poly- ammonia of polyester-type using mechanical explosion aperture
Ester foamed plastic, foamed plastics are made of the dodecahedron structure unit with pentagon window；
The iron carbon particle (1) is the cylindric iron carbon particle being combined by iron and carbon, is put into Hi-Stren steel water
Continuous coo1ing is formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997290.XA CN108996662A (en) | 2018-08-29 | 2018-08-29 | A kind of combined bio filler and preparation method thereof of nickel foam and iron carbon |
| CN201810997290X | 2018-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109748380A true CN109748380A (en) | 2019-05-14 |
| CN109748380B CN109748380B (en) | 2021-07-06 |
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| CN116060006A (en) * | 2021-10-30 | 2023-05-05 | 中国石油化工股份有限公司 | Integrated slow-release iron-carbon catalytic material and preparation method and application thereof |
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| CN108996662A (en) * | 2018-08-29 | 2018-12-14 | 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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| CN109748380B (en) | 2021-07-06 |
| CN108996662A (en) | 2018-12-14 |
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