CN104528950A - Aqueous ecological material filter device with high specific surface area and preparation method thereof - Google Patents

Aqueous ecological material filter device with high specific surface area and preparation method thereof Download PDF

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Publication number
CN104528950A
CN104528950A CN201410828654.3A CN201410828654A CN104528950A CN 104528950 A CN104528950 A CN 104528950A CN 201410828654 A CN201410828654 A CN 201410828654A CN 104528950 A CN104528950 A CN 104528950A
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filter cloth
district
tight
specific surface
filtering device
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黄贤文
陆文霞
郭涵月
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Universtar Science and Technology Shenzhen Co Ltd
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Universtar Science and Technology Shenzhen Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • C02F3/325Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/342Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/004Apparatus and plants for the biological treatment of water, waste water or sewage comprising a selector reactor for promoting floc-forming or other bacteria
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Ecology (AREA)
  • Botany (AREA)
  • Filtering Materials (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention relates to the technical field of water treatment, and particularly relates to an aqueous ecological material filter device with a high specific surface area and a preparation method thereof. A filter cloth area is formed by a loose filter cloth area and a dense filter cloth area to form a split aqueous ecological material filter device, wherein the loose filter cloth area is suitable for apposition growth of algae with a relatively large size to realize co-growth of algae and bacteria on the loose filter cloth area, while the dense cloth area is suitable for apposition growth of massive bacteria; the loose filter cloth and the dense filter cloth are made of nano-fiber non-woven fabrics prepared by an electrostatic spinning method, nano-pores are formed in the surfaces of the nano-fibers, and a plurality of nano-micropores are formed among the nano-fibers, so that the loose filter cloth and the dense filter cloth have large specific surface areas and have strong adsorption capacity and excellent filtering and insulating properties; a nano-ceramic powder or ceramic particle layer is coated on the surfaces of the loose filter cloth area and the dense filter cloth area, so that the specific surface areas of the filter cloth areas can be further increased, and growth and reproduction of native bacteria and algae on the filter cloth areas can be facilitated.

Description

Water ecological substance filtering device of a kind of high-specific surface area and preparation method thereof
Technical field
The present invention relates to water-treatment technology field, particularly relate to water ecological substance filtering device of a kind of high-specific surface area and preparation method thereof.
Background technology
The water body of occurring in nature generally all has certain self-purification capacity, and when the pollutant discharge amount of source of pollution is less, water body can make the concentration of pollutent decline gradually by self-purification capacity, thus returns to original state.Organic pollutant and/or inorganic pollutant are mainly degraded to the inorganicss such as carbonic acid gas, water, nitrogen, phosphorus by the microorganism of original inhabitants in water by the self-cleaning of water body under aerobic and/or anaerobic condition, a material part after degraded is discharged in air, and a part is absorbed by the plant in water body, algae.But, along with the fast development of industry and the sharply expansion of population, the synthetic material that increasing pollutent, particularly nature do not have originally enters into water body, make the concentration of pollutent in water body substantially exceed the self-purification capacity of water body, destroy the original eubiosis of water body.Wherein, the water body stench etc. that causes of the body eutrophication that comparatively typically caused by the nitrogen phosphorus widely paid close attention in recent years and Organic pollutants is showed to obtain.
At present, the method for administering body eutrophication and Organic pollutants mainly contains Physical, chemical method and bio-ecological process etc.Wherein, chemical method easily produces secondary pollution, and dosage is difficult to grasp; Costly, and there are some disadvantages being difficult to overcome in physical method (as Sediment Dredging).Bio-ecological process improvement nitrogen, phosphorus, Organic pollutants water body is utilized to be current trend, as with ecological theory be instruct, water ecological substance filtering device is introduced in contaminated water body, good carrier using water ecological substance filtering device as beneficial microorganism growth in water body, mass propgation indigenous microorganism forms microbial film, utilize microbial film to retain and prey on algae and comprehensive degradation of contaminant, realizing the direct purification of water quality.But the purification efficiency of existing water ecological substance filtering device is lower, need to improve its purification efficiency further.
Summary of the invention
The present invention is directed to the problem that the purification efficiency of existing water ecological substance filtering device is lower, by improving structure and the material of water ecological substance filtering device, providing a kind of and there is the water ecological substance filtering device that specific surface area is high, purification efficiency is high.
For achieving the above object, the present invention by the following technical solutions,
A kind of water ecological substance filtering device of high-specific surface area, comprise casing suspension, filter cloth district and broadband bar, described casing suspension is located at the upper end in filter cloth district, described broadband bar is located at the lower end in filter cloth district, described filter cloth district is made up of loosen filter cloth district and tight filter cloth district, described loose filter cloth district is made up of the filter cloth that loosens, and described tight filter cloth district is made up of tight filter cloth; The aperture of described loose filter cloth is greater than the aperture of tight filter cloth; Described loose filter cloth and tight filter cloth are nano fiber non-woven fabric.
All containing biological enzyme promotor and the affine material of microorganism in described loose filter cloth and tight filter cloth.Preferably, described biological enzyme promotor is iron powder; Material is in bone meal, starch and Mierocrystalline cellulose at least one that described microorganism is affine.
The surface in described loose filter cloth district and tight filter cloth district all scribbles one deck nano ceramic powder or ceramic particle.
Described loose filter cloth district is made up of the 6-20 floor filter cloth that loosens, and described tight filter cloth district is made up of the tight filter cloth of 6-20 floor.
The lower end in described tight filter cloth district is also provided with the heavy pipe fitting of pendant.
Described broadband bar is nano fiber non-woven fabric, and broadband bar is connected with the lower edge in tight filter cloth district, and the heavy pipe fitting of described pendant is positioned at the top of broadband bar.
The preparation method of the water ecological substance filtering device of the above high-specific surface area, comprises the following steps:
S1, high molecular weight hydrophilic polymer is dissolved in organic solvent forms spinning solution, then by electrostatic spinning machine, spinning solution is made nano fibrous membrane; Then by water acupuncture manipulation, nano fibrous membrane is made loose filter cloth and tight filter cloth.
Preferably, described high molecular weight hydrophilic polymer is at least one in trevira, tynex, polyvinyl alcohol, ethylene-vinyl alcohol copolymer; Containing biological enzyme promotor and the affine material of microorganism in described spinning solution, the total mass of described biological enzyme promotor and the affine material of microorganism is the 2-10% of spinning solution quality.
S2, the lower end of loose filter cloth is seamed in the upper end of tight filter cloth together with form filter cloth district, then make casing suspension in the upper end of loose filter cloth, shear formation broadband, the lower end bar made at tight filter cloth in the lower end of tight filter cloth from lower to upper.
Preferably, the filter cloth that loosened by 6-20 floor stacks and is used as loose filter cloth district, is stacked by tight for 6-20 floor filter cloth as tight filter cloth district, forms filter cloth district together with being then seamed in the upper end in tight filter cloth district the lower end in loose filter cloth district.
Preferably, a transverse joint line is established at the shearing stop portion of broadband bar, for reinforcing the connection in broadband bar and tight filter cloth district, and preventing the shearing stop portion of use procedure middle width strip bar from upwards tearing by External Force Acting, causing that broadband bar is more and more longer and height that is closely filter cloth district is shorter and shorter.
Preferably, step S3 and S4 is also comprised:
S3, at loose filter cloth district and closely surface coated one deck nano ceramic powder in filter cloth district or ceramic particle.
S4, above the lower end and broadband bar in tight filter cloth district, install the heavy pipe fitting of pendant.
Compared with prior art, the invention has the beneficial effects as follows: filter cloth district of the present invention is made up of loosen filter cloth district and tight filter cloth district two portions, form the water ecological substance filtering device of sectional type, loose filter cloth district is applicable to the relatively large algae apposition growth of volume, make helotisn in loose filter cloth district, closely filter cloth district then can a large amount of mushroom of apposition growth.Loose filter cloth and tight filter cloth are all the nano fiber non-woven fabrics obtained by method of electrostatic spinning, not only there is nanometer pore in nanofiber surface, also form many nanometer micropores between nanofiber, make loose filter cloth and tight filter cloth have very large specific surface area, and there is very strong adsorptive power and good filterableness and heat retaining property.At surface coated one deck nano ceramic powder or the ceramic particle in loose filter cloth district and tight filter cloth district, the specific surface area in filter cloth district can be increased further, be more conducive to the indigenous bacterial classification in water body and algae growth and breeding in filter cloth district.Filter cloth district is superposed by the nano fiber non-woven fabric of 6-20 floor and forms, and has both significantly increased the specific surface area in filter cloth district, can not affect again the flowing of water body.Contained biological enzyme promotor and the affine material of microorganism in loose filter cloth and tight filter cloth, make loose filter cloth and tight filter cloth have better microorganism affinity.Broadband bar and the heavy pipe fitting of pendant are set, water ecological substance filtering device can be made to be stabilized in water, do not rushed by current or aeration gas flow, do not float in water and shake, the training being conducive to species diversity is grown, make water ecological substance filtering device formed in the process of disposing of sewage top based on algae the ecological degeneration system of bottom based on mushroom.Water ecological substance filtering device of the present invention scientific and reasonable for structure, simple to operate, can be applicable to the process of the improvement of the water body such as lake, river course and sanitary wastewater, trade effluent, purification efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of water ecological substance filtering device in embodiment 1.
Embodiment
In order to more fully understand technology contents of the present invention, below in conjunction with specific embodiment, technical scheme of the present invention being described further and being illustrated.
Embodiment 1
With reference to Fig. 1, the present embodiment provides a kind of water ecological substance filtering device of high-specific surface area, and the preparation method of this kind of water ecological substance filtering device.Described water ecological substance filtering device comprises a tight filter cloth district 22, of the loose filter cloth district 21, of casing suspension 1, and falls heavy pipe fitting 3 and some broadbands bar 4.
Loose filter cloth district 21 is square, and height is 600mm, and wide is 2000mm, and it is superimposed together by the loose filter cloth (600mm × 2000mm) that 10 layers are square and forms.Tight filter cloth district 22 is square, and height is 1100mm, and wide is 2000mm, and it is superimposed together by the tight filter cloth (1100mm × 2000mm) that 10 layers are square and forms.Loose filter cloth and tight filter cloth are nano fiber non-woven fabric, and containing biological enzyme promotor and the affine material of microorganism, the aperture of loose filter cloth is greater than the aperture of tight filter cloth simultaneously.Filter cloth district 2 is formed together with the lower end in loose filter cloth district 21 is seamed in the upper end in tight filter cloth district 22.In addition, one deck nano ceramic powder is all scribbled on the surface in loose filter cloth district 21 and tight filter cloth district 22.
In the upper end in filter cloth district 2, namely a casing suspension 1 is made in the upper end in loose filter cloth district 21, this casing suspension 1 for wire rope handling or bar, so that water ecological substance filtering device is fixed in water.In the lower end in filter cloth district 2, namely closely the lower end in filter cloth district 22 arranges some broadbands bar 4 (high is 800mm, and wide is 300mm), and broadband bar 4 is also made up of nano fiber non-woven fabric.Making a suture 5 at broadband bar 4 and the junction in tight filter cloth district 22, for reinforcing broadband bar 4, preventing broadband bar 4 from up tearing.The heavy pipe fitting 3 of a pendant is set in the lower end in tight filter cloth district 22 and the top of suture 5 (or broadband bar 4), makes water ecological substance filtering device Absorbable organic halogens in water, do not rushed by current or aeration gas flow, shake of not floating in water.
The water ecological substance filtering device of the high-specific surface area of the present embodiment is obtained by following methods:
(1) loose filter cloth and tight filter cloth is made
Get iron powder, starch and bone meal respectively and add in the aqueous solution (volume ratio of propyl alcohol and water is 7:3) of propyl alcohol, mixing to obtain first liquid; Then in first liquid, add ethylene-vinyl alcohol copolymer, after dissolving, form the spinning solution containing biological enzyme promotor and the affine material of microorganism.In described spinning solution, the mass percent of ethylene-vinyl alcohol copolymer is 80%, and the mass percent sum of iron powder, starch and bone meal is 5%.
Adopt method of electrostatic spinning that spinning solution is made nano fibrous membrane.Be specially: by volume pump by spinning solution squeeze in the nozzle of high-voltage electrostatic spinning machine, in spinning process, spinning voltage is set to 10-40kV, and orifice plate distance is set to 20-30cm.Spinning solution sprays from the capillary nozzle of high-voltage electrostatic spinning machine under the effect of electrical forces, to split point in the process of motion, form countless tiny fiber, simultaneously because the volatilization of organic solvent forms nanofiber and is collected on copper plate electrode, the ultra-fine fibre be adsorbed on battery lead plate is wound around mutually, forms the nano fibrous membrane containing biological enzyme promotor and biocompatible material.In obtained nano fibrous membrane, the diameter range of nanofiber is 80-400nm, and specification is 50-100g/m 2.
Then, water acupuncture manipulation (spun laced process) is adopted nano fibrous membrane to be made two kinds of different filter clothes of pore size, i.e. loose filter cloth and tight filter cloth.The design parameter of the loose filter cloth of preparation is: water thorn pressure is set to 6MPa, and the time by liquid drugs injection effect is 6min, and the aperture on pinhole plate is 200 μm, and the macropore density on water needle plate is 24/cm, and the aperture of obtained loose filter cloth is 180 ~ 200 μm.The design parameter preparing tight filter cloth is: water thorn pressure is set to 30MPa, and the time by liquid drugs injection effect is 15min, and the aperture on pinhole plate is 80 μm, and the macropore density on water needle plate is 2/cm, and the aperture of obtained tight filter cloth is 60 ~ 80 μm.Obtained tight filter cloth and the fabric width of loose filter cloth are 2m, and length is 50m.With winding machine, obtained tight filter cloth and loose filter cloth are wound around rolling respectively, for subsequent use.
(2) loose filter cloth is cut into the dice of 600mm × 2000mm, then 10 pieces of loose filter layer of cloth are stacked and be used as loose filter cloth district 21, tight filter cloth is cut into the dice of 1100mm × 2000mm, then 10 pieces of tight filter layer of cloth is stacked as tight filter cloth district 22.Filter cloth district 2 is formed together with being seamed in the upper end in tight filter cloth district 22 lower end in loose filter cloth district 21.
Arrange casing suspension 1 in the upper end in filter cloth district 2, the loose filter cloth being about to upper end, loose filter cloth district 21 folds and is sewn into a casing suspension 1.Arrange some broadbands bar 4 in the lower end in filter cloth district 2, namely on the tight filter cloth of lower end, tight filter cloth district 22, bottom right is up sheared, and makes the lower end of tight filter cloth form some cloths (long is 800mm, and wide is 300mm), i.e. broadband bar 4.Then a suture 5 is made at broadband bar 4 and the junction in tight filter cloth district 22, namely the suture 5 of a transverse direction is established at the shearing stop portion of broadband bar 4, for reinforcing the connection of broadband bar 4 and tight filter cloth district 22, and prevent from shearing in use procedure stop portion and upwards tear by External Force Acting, cause that broadband bar 4 is more and more longer and height that is closely filter cloth district 22 is shorter and shorter.Clean totally, obtained work in-process.
(3) 10g/m is pressed on half-finished surface 2amount even spread one deck nano ceramic powder, enlarge markedly half-finished specific surface area.
(4) above the lower end and broadband bar 4 in tight filter cloth district 22, the heavy pipe fitting 3 of pendant is installed, obtained water ecological substance filtering device.Fall heavy sleeve pipe 3 for installing falling weight, the effect of wide band 4 and the heavy sleeve pipe 3 of pendant is that water ecological substance filtering device is not rushed by current or aeration gas flow.
Because water surface can be exposed to sunlight, and dissolved oxygen concentration is higher, be conducive to algae reproduction, top is set to loose filter layer of cloth, for algal grown provides favourable condition, the growth of algae can absorb nitrogen, phosphorus in water, the indigenous mushroom of symbiosis nitrogen, phosphorus and organic pollutant also in degradable water; Water bottom is due to contamination build-up, and Pollutant levels are higher, and dissolved oxygen concentration is lower, and be applicable to mushroom breeding, bottom is set to tight filter layer of cloth, to develop mushroom microorganism in a large number, and fast degradation pollutent.
Embodiment 2
The present embodiment provides a kind of water ecological substance filtering device of high-specific surface area, and the preparation method of this kind of water ecological substance filtering device.The structure of the water ecological substance filtering device of the present embodiment is identical with the structure of the water ecological substance filtering device of embodiment 1, preparation method is also basically identical, difference is only: when preparing loose filter cloth and tight filter cloth, the total mass of the iron powder in spinning solution, starch and bone meal is 2% of spinning solution quality.
Embodiment 3
The present embodiment provides a kind of water ecological substance filtering device of high-specific surface area, and the preparation method of this kind of water ecological substance filtering device.The structure of the water ecological substance filtering device of the present embodiment is identical with the structure of the water ecological substance filtering device of embodiment 1, preparation method is also basically identical, difference is only: when preparing loose filter cloth and tight filter cloth, the total mass of the iron powder in spinning solution, starch and bone meal is 10% of spinning solution quality.
In other embodiments, loose filter cloth district and tight filter cloth district can also be made up of the loose filter cloth of 6-20 floor or tight filter cloth; And in filter cloth district surface coated can also be ceramic particle.And the high molecular weight hydrophilic polymer in spinning solution can also be at least one in trevira, tynex, polyvinyl alcohol, ethylene-vinyl alcohol copolymer; Material can also be in bone meal, starch and Mierocrystalline cellulose at least one that the microorganism of adding in spinning solution is affine.The length of made loose filter cloth and tight filter cloth and fabric width can also be other sizes, and the size of made filter cloth is determined according to need of production, if fabric width is 1.6-3.5m.
Comparative example 1
This comparative example provides a kind of water ecological substance filtering device of high-specific surface area, and the preparation method of this kind of water ecological substance filtering device.The structure of the water ecological substance filtering device of the present embodiment is identical with the structure of the water ecological substance filtering device of embodiment 1, preparation method is also basically identical, difference is only: when preparing loose filter cloth and tight filter cloth, the total mass of the iron powder in spinning solution, starch and bone meal is 13% of spinning solution quality.
Comparative example 2
This comparative example provides a kind of water ecological substance filtering device of high-specific surface area, and the preparation method of this kind of water ecological substance filtering device.The structure of the water ecological substance filtering device of the present embodiment is identical with the structure of the water ecological substance filtering device of embodiment 1, preparation method is also basically identical, difference is only: when preparing loose filter cloth and tight filter cloth, in spinning solution, iron powder, starch and bone meal are substituted by ethylene-vinyl alcohol copolymer, namely do not contain iron powder, starch and bone meal in spinning solution.
Comparative example 3
This comparative example provides a kind of water ecological substance filtering device of high-specific surface area, the structure of this water ecological substance filtering device, size and material are substantially identical with the water ecological substance filtering device of embodiment, difference is only: filter cloth district is tight filter cloth district, makes by the tight filter cloth in loose filter cloth district described in embodiment 1.
Comparative example 4
This comparative example provides a kind of water ecological substance filtering device of high-specific surface area, the structure of this water ecological substance filtering device, size and material are substantially identical with the water ecological substance filtering device of embodiment, difference is only: filter cloth district is loose filter cloth district, makes by the loose filter cloth in the tight filter cloth district described in embodiment 1.
The water ecological substance filtering device of application above-described embodiment 1-3 and comparative example 1-4 carries out managemental experiment.The water quality of the water body administered is bad V class water, during improvement, and the area (m that comes into operation of water ecological substance filtering device 2) and water body volume (m 3) ratio be 1:10.Water ecological substance filtering device is thrown in one week, observes the biofilm situation of water ecological substance filtering device.The indices of water body is detected after 3 months.Before and after administering, the indices of water body is as shown in the table.
DO CODcr BOD 5 Ammonia nitrogen TP TN Biofilm situation
Before construction 0 74 40 30 1.89 34
Embodiment 1 1.7 21.9 8.1 4.5 0.37 5.8 Biofilm
Embodiment 2 1.4 22.5 8.5 5.3 0.51 6.4 Biofilm
Embodiment 3 1.5 22.1 8.5 4.9 0.49 6.1 Biofilm
Comparative example 1 1.3 25.1 9.3 5.9 0.66 7.5 Biofilm
Comparative example 2 0.6 32 15 7.8 0.84 11 Non-biofilm
Comparative example 3 0.7 28.4 12.1 6.9 0.71 9 Biofilm
Comparative example 4 0.7 27.3 10.7 6.4 0.73 10 Biofilm
In upper table, before and after construction, the unit of the indices of water quality is mg/mL.
The above only further illustrates technology contents of the present invention with embodiment, so that reader is easier to understand, but does not represent embodiments of the present invention and is only limitted to this, and any technology done according to the present invention extends or recreation, all by protection of the present invention.

Claims (10)

1. the water ecological substance filtering device of a high-specific surface area, comprise casing suspension, filter cloth district and broadband bar, described casing suspension is located at the upper end in filter cloth district, described broadband bar is located at the lower end in filter cloth district, it is characterized in that, described filter cloth district is made up of loosen filter cloth district and tight filter cloth district, and described loose filter cloth district is made up of the filter cloth that loosens, and described tight filter cloth district is made up of tight filter cloth; The aperture of described loose filter cloth is greater than the aperture of tight filter cloth; Described loose filter cloth and tight filter cloth are nano fiber non-woven fabric.
2. the water ecological substance filtering device of a kind of high-specific surface area according to claim 1, is characterized in that, all containing biological enzyme promotor and the affine material of microorganism in described loose filter cloth and tight filter cloth.
3. the water ecological substance filtering device of a kind of high-specific surface area according to claim 2, it is characterized in that, described biological enzyme promotor is iron powder; Material is in bone meal, starch and Mierocrystalline cellulose at least one that described microorganism is affine.
4. the water ecological substance filtering device of a kind of high-specific surface area according to claim 2, it is characterized in that, the surface in described loose filter cloth district and tight filter cloth district all scribbles one deck nano ceramic powder or ceramic particle.
5. a kind of water ecological substance filtering device of high-specific surface area according to any one of claim 1-4, is characterized in that, the lower end in described tight filter cloth district is also provided with the heavy pipe fitting of pendant.
6. the water ecological substance filtering device of a kind of high-specific surface area according to claim 5, it is characterized in that, described broadband bar is nano fiber non-woven fabric, and broadband bar is connected with the lower edge in tight filter cloth district, and the heavy pipe fitting of described pendant is positioned at the top of broadband bar.
7. a preparation method for the water ecological substance filtering device of high-specific surface area as claimed in claim 1, is characterized in that, comprise the following steps:
S1, high molecular weight hydrophilic polymer is dissolved in organic solvent forms spinning solution, then by electrostatic spinning machine, spinning solution is made nano fibrous membrane; Then by water acupuncture manipulation, nano fibrous membrane is made loose filter cloth and tight filter cloth;
S2, the lower end of loose filter cloth is seamed in the upper end of tight filter cloth together with form filter cloth district, then make casing suspension in the upper end of loose filter cloth, shear formation broadband, the lower end bar made at tight lower filter cloth in the lower end of tight filter cloth from lower to upper.
8. the preparation method of a kind of water ecological substance filtering device of high-specific surface area according to claim 7, it is characterized in that, in step S1, containing biological enzyme promotor and the affine material of microorganism in described spinning solution, the total mass of described biological enzyme promotor and the affine material of microorganism is the 2-10% of spinning solution quality.
9. the preparation method of a kind of water ecological substance filtering device of high-specific surface area according to claim 8, is characterized in that, also comprise step S3, at surface coated one deck nano ceramic powder or the ceramic particle in tight filter cloth district and loose filter cloth district.
10. the preparation method of a kind of water ecological substance filtering device of high-specific surface area according to claim 9, is characterized in that, also comprise step S4, installs the heavy pipe fitting of pendant above the lower end and broadband bar in tight filter cloth district.
CN201410828654.3A 2014-12-26 2014-12-26 Aqueous ecological material filter device with high specific surface area and preparation method thereof Pending CN104528950A (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN108249576A (en) * 2018-01-17 2018-07-06 南昌大学 The device of nitrogen, phosphorus and organic matter resource reclaim in a kind of sewage
CN111099745A (en) * 2019-12-26 2020-05-05 厦门纳莱科技有限公司 Efficient electrospun fiber biological membrane and preparation method thereof
CN114044576A (en) * 2021-12-01 2022-02-15 北京林业大学 Method for purifying pig-raising wastewater by scenedesmus attachment culture

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