CN107297103A - A kind of dust-filtering base material, its preparation method and application - Google Patents
A kind of dust-filtering base material, its preparation method and application Download PDFInfo
- Publication number
- CN107297103A CN107297103A CN201710628243.3A CN201710628243A CN107297103A CN 107297103 A CN107297103 A CN 107297103A CN 201710628243 A CN201710628243 A CN 201710628243A CN 107297103 A CN107297103 A CN 107297103A
- Authority
- CN
- China
- Prior art keywords
- denitrating catalyst
- base material
- aramid fiber
- dust
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
- D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/4334—Polyamides
- D04H1/4342—Aromatic polyamides
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0631—Electro-spun
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of dust-filtering base material and preparation method thereof, the base material carries out electrostatic spinning by denitrating catalyst and aramid fiber mixed solution and is prepared from, and its preparation method includes following steps connected in order：1）Prepare denitrating catalyst aramid fiber mixed solution：Denitrating catalyst and aramid fiber mixture are dissolved in N N dimethyl acetamides and stirred；2）Electrostatic spinning：By step 1）Obtained denitrating catalyst aramid fiber mixed solution carries out electrostatic spinning, and is received using long filament plain cloth, that is, obtains the dust-filtering base material with catalytic denitration function.Dust-filtering base material of the present invention with catalytic denitration function, it is the fiber film material for the high porosity high-specific surface area prepared using electrostatic spinning technique, denitrating catalyst is attached to fiber surface, and fiber is not to the complete cladding of catalyst, the contact area of catalyst and nitrogen oxides is added, catalytic denitration efficiency is improved.
Description
Technical field
The invention belongs to electrostatic spinning field, and in particular to a kind of preparation method and applications of dust-filtering base material.
Background technology
Functional industrial flue gas ash removal filtrate is the new direction of filtrate development, and the dedusting filtrate with denitration function is even more to inhale
The research of every field experts and scholars is drawn.It is attached on the basis of traditional filter material dedusting with denitration dust collecting functional filter material
Add denitration function, not only can further remove remaining nitrogen oxides in flue gas, reduce pollutant emission, can also be fully sharp
The excessive ammonia produced with preceding road denitrification apparatus, effectively prevent the secondary pollution caused in denitrification process, with great society
Can benefit.At present, much had been reported that on denitration dust collecting filtrate, preparation method is broadly divided into following several：One is by denitration
Catalyst, which is loaded to fiber surface and then prepared by way of immersion coating, turns into filtering material, and two be to add catalyst fines
It is added in fiber master batch, preparing turns into the fiber containing catalyst, and three be that catalyst fines is added in polytetrafluoroethylene (PTFE) powder,
Preparing turns into the polytetrafluoroethylene film containing denitrating catalyst.The not foot point existed using upper type as：Catalyst buildup is assembled,
Only it is attached to one layer of catalyst of filter material surface to contact with nitrogen oxides in effluent, the catalytic denitration effect played is very little,
So denitration dust collecting filtrate does not have good engineer applied at present.Aramid fiber is a kind of high-performance polymer, high temperature resistant, chemically-resistant
Corrosive nature is excellent, can fully meet industrial smoke deduster environment and use for a long time, be currently widely used for industrial smoke high
Warm filtration art.
The content of the invention
Goal of the invention：The invention aims to the catalyst buildup for solving to mention in background technology aggregation, denitration effect
Really poor the problem of, there is provided a kind of dust-filtering base material, its preparation method and application with catalytic denitration function.
The present invention provides a kind of dust-filtering base material, and electrostatic spinning preparation is carried out by denitrating catalyst and aramid fiber mixed solution
Form.
Specific preparation method includes following steps connected in order：
1）Prepare denitrating catalyst-aramid fiber mixed solution：Denitrating catalyst and aramid fiber mixture are dissolved in N-N dimethyl acetamides
In stir, whipping temp is 100 DEG C ~ 110 DEG C, and 10 ~ 15 minutes are stood after stirring, obtains concentration for 0.11 ~ 0.20g/ml
Denitrating catalyst-aramid fiber mixed solution, the denitrating catalyst accounts for denitrating catalyst and the quality percentage of aramid fiber mixture contains
Measure as 10 ~ 35%.
2）Electrostatic spinning：By step 1）Obtained denitrating catalyst-aramid fiber mixed solution carries out electrostatic spinning, and using length
Silk plain cloth is received, that is, obtains the dust-filtering base material with catalytic denitration function.
To prepare the catalyst support materials with large specific surface area and high porosity, regulating step 2）In electrostatic
Spinning technology parameter is：Receive 10 ~ 20cm of distance, 25 ~ 35KV of power station voltage, 0.5 ~ 1.0ml/h of spinning speed.
Long filament plain cloth damages small in acupuncture course, can be used as reinforcement as the reinforcement of needle fabric
Static Spinning micro-nano fiber membrane material, to prepare the catalyst support materials with suitable specific surface area and porosity, the length
Silk plain cloth is polyphenyl thioether filament plain weave base fabric, aramid filament plain weave base fabric or fiberglass filament plain weave base fabric.
The present invention also provides a kind of application of dust-filtering base material dedusting denitration in industrial smoke.
Beneficial effect：Dust-filtering base material of the present invention, is the high porosity prepared using electrostatic spinning technique
The fiber film material of high-specific surface area, denitrating catalyst is attached to fiber surface, and fiber is not to the complete cladding of catalyst, increase
The contact area of catalyst and nitrogen oxides, improves catalytic denitration efficiency.
Brief description of the drawings
Fig. 1 is the stereoscan photograph of dust-filtering base material prepared by embodiment 1；Fibre diameter 150nm, catalyst granules
Particle diameter is 550nm, and fiber is not to the complete cladding of catalyst, and catalyst particles can fully be contacted with nitrogen oxides in effluent, reached
Higher catalytic efficiency.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, is not intended to limit the scope of the present invention..
Embodiment 1
Weigh 0.15g manganese cerium titanium class denitrating catalysts and 1.35g aramid fibers are dissolved in 10ml N-N dimethylacetamide solutions, obtain
Mass volume ratio levels are 15%（m/V）Denitrating catalyst-aramid fiber mixed solution, the quality of denitrating catalyst and aramid fiber
Than for 10：90, solution is stirred at 105 DEG C to being completely dissolved, electrostatic spinning after static 10min.Static Spinning parameter：Electric field electricity
25KV is pressed, receives apart from 15cm, spinning speed 0.6ml/h, is received with polyphenyl thioether filament plain cloth, compound fibre is finally given
Membrane material, i.e. the dust-filtering base material with catalytic denitration function are tieed up, catalytic denitration efficiency can reach more than 35%.
Embodiment 2
Weigh 0.3g vanadium titanium class denitrating catalyst and 1.2g aramid fibers are dissolved in 10ml N-N dimethylacetamide solutions, obtain quality
Volume by volume concentration content is 15%（m/V）Removing nitrogen oxides denox catalyst-aramid fiber mixed solution, denitrating catalyst and aramid fiber
Mass ratio be 20：80, solution is stirred at 103 DEG C to being completely dissolved, electrostatic spinning after 20min is stood.Static Spinning parameter：
Voltage of electric field 22KV, receives apart from 16cm, spinning speed 0.5ml/h, is received, finally given compound with aramid filament plain cloth
Fiber film material, i.e. the dust-filtering base material with catalytic denitration function, catalytic denitration efficiency can reach more than 35%.
Embodiment 3
Weigh 0.48g manganese cerium titanium class denitrating catalysts and 1.12g aramid fibers are dissolved in 10ml N-N dimethylacetamide solutions, obtain
Mass volume ratio levels are 15%（m/V）Denitrating catalyst-aramid fiber mixed solution, the quality of denitrating catalyst and aramid fiber
Than for 30：70, solution is stirred at 100 DEG C to being completely dissolved, electrostatic spinning after 15min is stood.Static Spinning parameter：Electric field electricity
20KV is pressed, is received apart from 12cm, spinning speed 0.7ml/h, is received with fiberglass filament plain cloth, finally give composite cellulosic membrane
Material, i.e. the dust-filtering base material with catalytic denitration function, catalytic denitration efficiency can reach 50%.
Application examples
Composite fiber membrane material prepared by example 1-3 methods, with bigger serface, high porosity and certain catalytic denitration effect
Rate, at 150 ~ 200 DEG C, catalytic denitration efficiency can reach 50%, can be used as industrial smoke denitration dust collecting material.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (6)
1. a kind of dust-filtering base material, it is characterised in that electrostatic spinning preparation is carried out by denitrating catalyst and aramid fiber mixed solution
Form.
2. a kind of preparation method of dust-filtering base material, it is characterised in that including following steps connected in order：
1）Prepare denitrating catalyst-aramid fiber mixed solution：Denitrating catalyst and aramid fiber mixture are dissolved in N-N dimethyl acetamides
In stir, obtain denitrating catalyst-aramid fiber mixed solution that concentration is 0.11 ~ 0.20g/ml, the denitrating catalyst accounts for
The weight/mass percentage composition of denitrating catalyst and aramid fiber mixture is 10 ~ 35%；
2）Electrostatic spinning：By step 1）Obtained denitrating catalyst-aramid fiber mixed solution carries out electrostatic spinning, and is put down using long filament
Pattern fabric is received, that is, obtains the dust-filtering base material with catalytic denitration function.
3. preparation method according to claim 2, it is characterised in that the step 2）In electrostatic spinning process parameter
For：Receive 10 ~ 20cm of distance, 25 ~ 35KV of power station voltage, 0.5 ~ 1.0ml/h of spinning speed.
4. preparation method according to claim 2, it is characterised in that the step 1）The whipping temp of middle mixture is
100 DEG C ~ 110 DEG C, 10 ~ 15 minutes are stood after stirring.
5. preparation method according to claim 2, it is characterised in that the long filament plain cloth is flat for polyphenyl thioether filament
Line base fabric, aramid filament plain weave base fabric or fiberglass filament plain weave base fabric.
6. a kind of application of dust-filtering base material dedusting denitration in industrial smoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628243.3A CN107297103B (en) | 2017-07-28 | 2017-07-28 | Dust filtering base material, preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628243.3A CN107297103B (en) | 2017-07-28 | 2017-07-28 | Dust filtering base material, preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107297103A true CN107297103A (en) | 2017-10-27 |
| CN107297103B CN107297103B (en) | 2020-05-15 |
Family
ID=60134236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710628243.3A Active CN107297103B (en) | 2017-07-28 | 2017-07-28 | Dust filtering base material, preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107297103B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107815791A (en) * | 2017-11-16 | 2018-03-20 | 东华大学 | A kind of preparation method of the composite nano fiber non-woven fabrics of supported catalyst |
| CN113041862A (en) * | 2021-04-02 | 2021-06-29 | 上海洁晟环保科技有限公司 | Composite membrane material, preparation method thereof, filtering membrane and storage device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806221A (en) * | 2014-02-24 | 2014-05-21 | 东华大学 | Preparation method for multi-component net-shaped nanofiber membrane |
| CN105603585A (en) * | 2016-02-05 | 2016-05-25 | 扬州大学 | Preparation method of hollow carbon fibers with controllable scale |
| CN106111209A (en) * | 2016-06-17 | 2016-11-16 | 扬州纳佰成纳米科技有限公司 | The preparation method of tail gas denitration sub-micron fibers material |
| CN106914064A (en) * | 2015-12-28 | 2017-07-04 | 厦门三维丝环保股份有限公司 | A kind of ultra-clean filtering has fire resistant filter material of low-temperature catalyzed denitration and preparation method thereof concurrently |
-
2017
- 2017-07-28 CN CN201710628243.3A patent/CN107297103B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806221A (en) * | 2014-02-24 | 2014-05-21 | 东华大学 | Preparation method for multi-component net-shaped nanofiber membrane |
| CN106914064A (en) * | 2015-12-28 | 2017-07-04 | 厦门三维丝环保股份有限公司 | A kind of ultra-clean filtering has fire resistant filter material of low-temperature catalyzed denitration and preparation method thereof concurrently |
| CN105603585A (en) * | 2016-02-05 | 2016-05-25 | 扬州大学 | Preparation method of hollow carbon fibers with controllable scale |
| CN106111209A (en) * | 2016-06-17 | 2016-11-16 | 扬州纳佰成纳米科技有限公司 | The preparation method of tail gas denitration sub-micron fibers material |
Non-Patent Citations (1)
| Title |
|---|
| 刘珍珍等: "PMIA纤维负载MnOx催化剂的制备及性能研究", 《高科技纤维与应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107815791A (en) * | 2017-11-16 | 2018-03-20 | 东华大学 | A kind of preparation method of the composite nano fiber non-woven fabrics of supported catalyst |
| CN113041862A (en) * | 2021-04-02 | 2021-06-29 | 上海洁晟环保科技有限公司 | Composite membrane material, preparation method thereof, filtering membrane and storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107297103B (en) | 2020-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109012164A (en) | It is a kind of can room temperature decomposing formaldehyde micro/nano fibrous membrane material and its preparation method and application | |
| Sun et al. | Rational design of electrospun nanofibers for gas purification: Principles, opportunities, and challenges | |
| CN106622380B (en) | A kind of denitrating catalyst and its preparation method and application | |
| CN111790355B (en) | Metal organic framework-zirconia fiber composite material and preparation method and application thereof | |
| CN107486132A (en) | A kind of preparation method of the porous heavy-metal adsorption material of nano ferriferrous oxide | |
| CN107297103A (en) | A kind of dust-filtering base material, its preparation method and application | |
| CN110652974A (en) | Adsorption type composite nanofiber membrane with photocatalytic function and preparation method | |
| CN109847580A (en) | Denitration filtrate and preparation method thereof based on plasma pre-treatment and infusion process | |
| Zhang et al. | Recent advances in applications for air pollutants purification and perspectives of electrospun nanofibers | |
| CN113663416B (en) | Load type PTFE fiber filter material and preparation method thereof | |
| Satilmis | Electrospinning Polymers of Intrinsic Microporosity (PIMs) ultrafine fibers; preparations, applications and future perspectives | |
| CN104138752B (en) | The process units of the compound silica aerogel photochemical catalyst of a kind of nano-titanium oxide and rare earth solid solution | |
| CN107447292A (en) | A kind of preparation method and applications of micro-nano spiral porous fibre | |
| CN108815954A (en) | A kind of cellulose/polyamide antistatic air purification composite membrane and preparation method | |
| CN109833856A (en) | Photocatalytic fiber material and preparation method thereof | |
| CN113308753A (en) | High-temperature adsorbable porous polyimide nanofiber and preparation method and application thereof | |
| CN106925034B (en) | A kind of preparation method of denitration function polyphenylene sulfide composite filtering material | |
| Alizadeh et al. | Functionalized nanofibrous mats for gas separation applications | |
| CN106521686A (en) | Silica nanoparticle-loaded fiber electret material and preparation method thereof | |
| CN111013272A (en) | PVDF (polyvinylidene fluoride) dendritic structure nanofiber air filtering material and preparation method thereof | |
| CN107051578B (en) | Niobium-cerium supported iron exchange molecular sieve low-temperature denitration catalyst and preparation method and application thereof | |
| CN107890706A (en) | A kind of composite filtering material for loading hollow structure denitration sulfur resistant catalyst and preparation method thereof | |
| CN105401240A (en) | Nano-fiber preparation method capable of catalyzing exhaust gas and absorbing dust particles and based on static spinning technology | |
| CN108032572A (en) | A kind of fire resistant filter material and preparation method thereof | |
| CN203971956U (en) | The process units of the silica aerogel photochemical catalyst that a kind of nano-titanium oxide and rare earth solid solution are compound |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |