CN103341289A - Preparation method of nano-TiO2-loaded terylene-needled filtering material - Google Patents
Preparation method of nano-TiO2-loaded terylene-needled filtering material Download PDFInfo
- Publication number
- CN103341289A CN103341289A CN2013103177901A CN201310317790A CN103341289A CN 103341289 A CN103341289 A CN 103341289A CN 2013103177901 A CN2013103177901 A CN 2013103177901A CN 201310317790 A CN201310317790 A CN 201310317790A CN 103341289 A CN103341289 A CN 103341289A
- Authority
- CN
- China
- Prior art keywords
- nano
- tio
- filter material
- needle punched
- 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
Images
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a preparation method of a nano-TiO2-loaded terylene-needled filtering material. The preparation method is characterized by comprising the following process steps of: (1) preparing a nano-TiO2 stable-water dispersing solution; (2) preparing a nano TiO2/PTFE (Poly Tetra Fluoro Ethylene) composite finishing solution; (3) pretreating a needled filtering material; and (4) completely impregnating the needled filtering material obtained in the step (3) into the composite finishing solution prepared in the step (2) by adopting an impregnation method to obtain the nano-TiO2-loaded terylene-needled filtering material with a photocatalytic function. The preparation method disclosed by the invention has the advantages that measured by a photocatalytic degradation experiment, the photocatalytic degradation rate of the nano-TiO2-loaded terylene-needled filtering material to a methylene blue solution can reach more than 90%, and the once filtering and degradation rate of the nano-TiO2-loaded terylene-needled filtering material to formaldehyde is near 50%. The preparation method can be used for purifying air, treating sewage and the like. According to the preparation method, the functional needled filtering material with simple process and excellent photocatalytic effect can be obtained.
Description
Technical field
The present invention relates to a kind of loaded with nano TiO
2The preparation method of terylene needle punched filter material belongs to environmental technology field.
Background technology
Needling non-woven technology preparation forms fiber random alignment, the netted structure of layer stereo, hole is little and non-woven material that porosity is big, has more superior strainability than the two-dimensional structure filtrate made from woven fabric, and can contain powder dust particle to the infiltration of deep layer, therefore be widely used in filtration art.But because problem of environmental pollution is increasingly serious; inevitable requirement is in the structure of improving the acupuncture filtering material; raising more needs exploitation and application function filtering material, to satisfy air quality control, requirement on environmental protection to the filter efficiency of small size particle the time.
Nano-TiO
2Possess higher chemical stability, photocatalysis characteristic, heat endurance, performance such as nontoxic, under visible light or ultraviolet irradiation, bring out photochemical reaction, organic matter is decomposed.Especially since the nineties in 20th century, TiO
2Photocatalysis technology obtains bigger development in the environmental protection field of the organic and inorganic pollutant of catalytic degradation water or gas phase.TiO
2The catalytic action pollutants such as formaldehyde that vehicle exhaust, industrial waste gas, finishing living environment produce, acetic acid, carbon monoxide, kitchen smog of not only can effectively degrading, be difficult to the organic matter of oxidation such as chloroform, carbon tetrachloride, hexachloro-benzene etc. in can also oxidation ozone.TiO
2Be applied to the needling non-woven filtering material, make common filtering material possess effective photocatalysis performance, multi-field being used widely such as air cleaning, sewage disposal, antifouling and antibiosis, become a kind of environmental improvement method with important application prospect.
The filter efficiency of needle punched filter material, cost, service life, and functional exploitation and application are the main developing direction of present needle punched filter material.The mode of functional topical finishing is widely used in the performance of improving non-woven filter material.It is functional to adopt infusion process to give needle punched filter material, nano-photocatalyst material is carried on needle punched filter material, for the application of tool at aspects such as water, gas phase filtrations brings new opportunity.But development and the application of some limiting factors such as finishing agent prescription are still arranged, hindered the photocatalysis filtering material and realized suitability for industrialized production.By the preparation nano-TiO
2Dispersion liquid, in conjunction with the use of PTFE emulsion and adhesive, be applied to that needle punched filter material improves media performance, the report of giving photo-catalysis function seldom.The one side nano-TiO
2Under the effect of adhesive, be carried on securely on the needle punched filter material, give full play to functionally, photocatalysis technology is made the most of the advantage in environmental protection fields such as air filtration, sewage disposals; The PTFE emulsion has good self-cleaning property on the other hand, improves the filtrate deashing property, prolongs cleaning cycle, improves service efficiency.Loaded with nano TiO
2The development of needle punched filter material and suitability for industrialized production thereof have a great application prospect in that filtration, environmental protection etc. are multi-field.
Summary of the invention
The object of the present invention is to provide the loaded with nano TiO that a kind of technology is easy, photocatalysis performance is superior
2The preparation method of terylene needle punched filter material.
Technical scheme of the present invention is the configuration nano-TiO
2The compound whole first liquid of/PTFE utilizes infusion process with nano-TiO
2Be carried on the terylene needle punched filter material, obtain a kind of needle punched filter material that possesses photo-catalysis function.Step is as follows:
(1) mark meter is by weight got 100 parts of water, adds 1～2 part of TiO
2Nano-powder, and add 0.1～0.3 part of silane coupler in wherein stir, modification, then get 0.5～1 part of calgon (SHMP) and 0.1～0.5 part of neopelex (SDBS) joins in the solution, prior to stirring 20～50min on the magnetic stirring apparatus, place the ultrasonic dispersion 30～60min of ultrasonic cleaning machine again, obtain finely dispersed nano-TiO
2Aqueous dispersions.
(2) get step (1) gained nano-TiO
2200～800 parts of aqueous dispersions add 30～50 parts of PTFE emulsions, adhesive and 80～1000 parts of deionized waters of 80～100 parts, and ultrasonic being uniformly dispersed obtains nano-TiO
2/ PTFE composite finishing liquid.
(3) get the terylene needle punched filter material and be immersed among the NaOH and 1～10g/L bleeding agent mixed solution that contains 10～30g/L, by bath raio 10～20: 1, behind 80～100 ℃ of following soda boiling 30～60min of bath temperature, take out cleaning and dry stand-by.
(4) nano-TiO that the terylene needle punched filter material thorough impregnation after step (3) processing is disposed in step (2)
2/ PTFE composite finishing liquid fully adsorbs its thorough impregnation, takes out back mangle on padding machine, cures in the shaping drying, obtains described photo-catalysis function needle punched filter material.Wherein bath raio is 10～20: 1, and pick-up is 70%～80%, and stoving temperature is 150～180 ℃, and the time of curing is 2～5min, makes loaded with nano TiO
2The terylene needle punched filter material.
Cut out 5cm * 10cm loaded with nano TiO
2Terylene needle punched filter material and 5cm * 10cm control sample is placed on respectively in the 10mg/L methylene blue solution, carries out the ultraviolet irradiation of certain hour in photocatalytic system.Industry methyl blue solution after 20min takes out illumination, the absorbance at wavelength 664nm place is its absorbance of reference measurement with water.Absorbance before and after the contrast illumination changes, and calculates the degradation rate of methylene blue.
Cut out 50cm
2Loaded with nano TiO
2Terylene needle punched filter material and 50cm
2To in the same old way, carry out formaldehyde gas degraded test.Part, light-catalyzed reaction part and residual gas absorption portion take place by air extractor, formaldehyde gas and form in self-control photocatalytic degradation formaldehyde gas experimental rig such as Fig. 1.Add 10ml formalin in conical flask, add the 50ml deionized water in the bottle,suction, sample is positioned over and is subjected to ultra violet lamp in the glass device.During vacuum air pump work, bottle,suction and flask internal gas pressure reduce, and formaldehyde constantly volatilizees, and gas flow in the bottle,suction soluble in water by sample at last.Start vavuum pump 5 times, each 2min at interval.According to HJ601-2011 " the mensuration acetylacetone,2,4-pentanedione AAS of water quality formaldehyde ", extract the interior aqueous solution 5ml of bottle,suction and 5ml acetylacetone,2,4-pentanedione reagent mix, sealing, place 60 ℃ of water-baths to heat 15min, be cooled to normal temperature after the taking-up.Wavelength 414nm place is the reference measurement absorbance with water.Variance analysis Degradation Formaldehyde rate according to absorbance.
The loaded with nano TiO of the present invention's preparation
2The terylene needle punched filter material is compared with the general acupuncture filtrate, and when possessing photocatalysis functional, controlled, the filter efficiency in aperture increases to a certain extent.Loaded with nano TiO
2The percent of decolourization of terylene needle punched filter material photocatalytic degradation methylene blue solution reaches more than 90%, and PARA FORMALDEHYDE PRILLS(91,95) gas once filters degradation rate near 50%.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only are used for the present invention being described and not limiting the scope of the invention.Should be understood that in addition those skilled in the art can be to the various changes of the present invention or modification after the content of having read the present invention's instruction, these equivalent form of values fall into the appended claims of the application institute restricted portion equally.
Description of drawings
Fig. 1 is photocatalytic degradation formaldehyde gas experimental provision schematic diagram
Fig. 2 is nano-TiO of the present invention
2Aqueous dispersions particle size dispersion figure
Fig. 3 loaded with nano TiO
2Terylene needle punched filter material EDAX spectrogram
Fig. 4 is loaded with nano TiO of the present invention
2Terylene needle punched filter material SEM figure
Fig. 5 is loaded with nano TiO of the present invention
2Terylene needle punched filter material degradation of methylene blue solution property
Table 1 is loaded with nano TiO of the present invention
2Terylene needle punched filter material degradation of formaldehyde gas performance
1-boiling flask wherein; The 2-bottle,suction; The 3-tongs; The 4-vacuum air pump; The 5-uviol lamp; A-formalin; The b-laboratory sample; The c-deionized water
Get 100 parts of water, add 1～2 part of TiO
2Nano-powder, and add 0.1～0.3 part of silane coupler in wherein stir, modification, then get 0.5～1 part of calgon (SHMP) and 0.1～0.5 part of neopelex (SDBS) joins in the solution, prior to stirring 20～50min on the magnetic stirring apparatus, place the ultrasonic dispersion 30～60min of ultrasonic cleaning machine again, obtain finely dispersed nano-TiO
2Aqueous dispersions.This nano-TiO
2The aqueous dispersions grain-size graph is seen Fig. 2.
The terylene needle punched filter material is immersed in the mixed solution of the NaOH that contains 25g/L and 5g/L bleeding agent, by bath raio 20: 1, behind 100 ℃ of following soda boiling 60min of bath temperature, takes out to clean and also dry stand-by.The preparation nano-TiO
2/ PTFE composite finishing liquid, wherein nano-TiO
2Aqueous dispersions 800g/L, PTFE emulsion 35g/L, adhesive 97g/L, deionized water 80g/L.To press bath raio 10: 1 through the needle punched filter material of pre-treatment, be completely infused in this composite finishing liquid, in shaping drying, cure drying, obtain described photo-catalysis function needle punched filter material 1#.This sample transmission electron microscope-X-ray energy spectrum figure (EDAX) sees Fig. 3; Scanning electron microscope diagram (SEM) is seen Fig. 4, and photocatalytic degradation methylene blue solution percent of decolourization figure sees Fig. 5, and formaldehyde gas once filters degradation property and sees Table 1.
Adopt the method identical with example 1 that the terylene needle punched filter material is carried out pre-treatment, and the nano-TiO for preparing solid content 1%
2Aqueous dispersions.
The preparation nano-TiO
2/ PTFE composite finishing liquid, wherein nano-TiO
2Aqueous dispersions 600g/L, PTFE emulsion 35g/L, adhesive 97g/L, deionized water 280g/L.By the same way as of example 1 dipping and cure sample, obtain contrasting sample 2#.Photocatalytic degradation methylene blue solution percent of decolourization figure sees Fig. 5, and formaldehyde gas once filters degradation property and sees Table 1.
The preparation nano-TiO
2/ PTFE composite finishing liquid, wherein nano-TiO
2Aqueous dispersions 400g/L, PTFE emulsion 35g/L, adhesive 97g/L, deionized water 480g/L.By the same way as of example 1 dipping and cure sample, obtain contrasting sample 3#.Photocatalytic degradation methylene blue solution percent of decolourization figure sees Fig. 5, and formaldehyde gas once filters degradation property and sees Table 1.
The preparation nano-TiO
2/ PTFE composite finishing liquid, wherein nano-TiO
2Aqueous dispersions 200g/L, PTFE emulsion 35g/L, adhesive 97g/L, deionized water 680g/L.By the same way as of example 1 dipping and cure sample, obtain contrasting sample 4#.Photocatalytic degradation methylene blue solution percent of decolourization figure sees Fig. 5, and formaldehyde gas once filters degradation property and sees Table 1.
The preparation nano-TiO
2/ PTFE composite finishing liquid, wherein nano-TiO
2Aqueous dispersions 0g/L, PTFE emulsion 35g/L, adhesive 97g/L, deionized water 880g/L.By the same way as of example 1 dipping and cure sample, obtain contrasting sample 5#.Light is urged
Change degradation of methylene blue solution percent of decolourization figure and see Fig. 5, formaldehyde gas once filters degradation property and sees Table 1.
Table 1 loaded with nano TiO
2Terylene needle punched filter material degradation of formaldehyde gas performance
Claims (3)
1. loaded with nano TiO
2The preparation method of terylene needle punched filter material is characterized in that: preparation of nano TiO
2/ PTFE composite finishing liquid utilizes infusion process with nano-TiO
2Be carried on the terylene needle punched filter material, comprise following processing step:
(1) mark meter is by weight got 100 parts of water, adds 1～2 part of TiO
2Nano-powder, and add 0.1～0.3 part of silane coupler in wherein stir, modification, then get 0.5～1 part of calgon (SHMP) and 0.1～0.5 part of neopelex (SDBS) joins in the solution, prior to stirring 20～50min on the magnetic stirring apparatus, place the ultrasonic dispersion 30～60min of ultrasonic cleaning machine again, obtain finely dispersed nano-TiO
2Aqueous dispersions.
(2) get step (1) gained nano-TiO
2200～800 parts of aqueous dispersions add 30～50 parts of PTFE emulsions, adhesive and 80～1000 parts of deionized waters of 80～100 parts, and ultrasonic being uniformly dispersed obtains nano-TiO
2/ PTFE composite finishing liquid.
(3) get the terylene needle punched filter material and be immersed among the NaOH and 1～10g/L bleeding agent mixed solution that contains 10～30g/L, by bath raio 10～20: 1, behind 80～100 ℃ of following soda boiling 30～60min of bath temperature, take out cleaning and dry stand-by.
(4) nano-TiO that the terylene needle punched filter material thorough impregnation after step (3) processing is disposed in step (2)
2/ PTFE composite finishing liquid fully adsorbs its thorough impregnation, takes out back mangle on padding machine, cures in the shaping drying, obtains described photo-catalysis function needle punched filter material.Wherein bath raio is 10～20: 1, and pick-up is 70%～80%, and stoving temperature is 150～180 ℃, and the time of curing is 2～5min, makes loaded with nano TiO
2The terylene needle punched filter material.
2. a kind of loaded with nano TiO according to claim 1
2The preparation method of terylene needle punched filter material is characterized in that technology needle punched filter material easy, that photocatalysis is respond well.
3. according to claim 11 described loaded with nano TiO
2The preparation method of terylene needle punched filter material, this method also is applicable to the processing of other various non-woven filtrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310317790.1A CN103341289B (en) | 2013-07-26 | 2013-07-26 | Preparation method of nano-TiO2-loaded terylene-needled filtering material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310317790.1A CN103341289B (en) | 2013-07-26 | 2013-07-26 | Preparation method of nano-TiO2-loaded terylene-needled filtering material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103341289A true CN103341289A (en) | 2013-10-09 |
| CN103341289B CN103341289B (en) | 2015-04-15 |
Family
ID=49276142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310317790.1A Active CN103341289B (en) | 2013-07-26 | 2013-07-26 | Preparation method of nano-TiO2-loaded terylene-needled filtering material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103341289B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846623A (en) * | 2015-05-20 | 2015-08-19 | 江苏腾盛纺织科技集团有限公司 | Light shading curtain cloth with formaldehyde purification function and preparing method thereof |
| CN104862949A (en) * | 2015-05-20 | 2015-08-26 | 江苏腾盛纺织科技集团有限公司 | Seamless sticking wall cloth with formaldehyde purification function and preparation method of seamless sticking wall cloth |
| CN104941319B (en) * | 2015-06-19 | 2016-06-29 | 合肥工业大学 | A kind of preparation method of manganio dedusting denitrification integral function filter material |
| CN106139743A (en) * | 2016-06-30 | 2016-11-23 | 宁波钛安新材料科技有限公司 | A kind of preparation method of layer structure air purifying filter mesh sheet |
| CN106192373A (en) * | 2016-08-31 | 2016-12-07 | 朱凤兮 | A kind of dacron aculeus filtering felt surface coating process |
| CN107190502A (en) * | 2017-06-28 | 2017-09-22 | 南京际华三五二环保科技有限公司 | A kind of nano-tourmaline hybridisation emulsion and preparation method thereof |
| CN107287896A (en) * | 2017-07-31 | 2017-10-24 | 安徽元琛环保科技股份有限公司 | A kind of dedusting filtrate dressing liquid, its preparation method and application |
| CN110055699A (en) * | 2019-05-13 | 2019-07-26 | 江苏菲斯特滤料有限公司 | A kind of final finishing device of filtering material |
| CN114570149A (en) * | 2021-12-29 | 2022-06-03 | 无锡红旗除尘设备有限公司 | Electric furnace dust removal system for steelmaking process |
| CN115382387A (en) * | 2022-08-03 | 2022-11-25 | 厦门中创环保科技股份有限公司 | Manufacturing process of formaldehyde-removing felt and formaldehyde-removing felt |
| CN115382387B (en) * | 2022-08-03 | 2024-05-24 | 厦门中创环保科技股份有限公司 | Process for manufacturing formaldehyde-removing felt and formaldehyde-removing felt |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1387932A (en) * | 2001-05-28 | 2003-01-01 | 北京二元世纪技术有限公司 | Nano-interface separating net with self-cleaning function and its making process and use |
| CN101507918A (en) * | 2009-03-13 | 2009-08-19 | 云南师范大学 | Nano TiO2/PMMA composite photocatalyst synthesized by microwave heating method in ion liquid |
| CN101745271A (en) * | 2010-01-05 | 2010-06-23 | 江苏菲特滤料有限公司 | Compound photocatalysis antimicrobial air filter material and preparation method thereof |
| CN102847561A (en) * | 2012-09-19 | 2013-01-02 | 合肥工业大学 | Microporous glass supported TiO2 nano composite photocatalyst and preparation method thereof |
-
2013
- 2013-07-26 CN CN201310317790.1A patent/CN103341289B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1387932A (en) * | 2001-05-28 | 2003-01-01 | 北京二元世纪技术有限公司 | Nano-interface separating net with self-cleaning function and its making process and use |
| CN101507918A (en) * | 2009-03-13 | 2009-08-19 | 云南师范大学 | Nano TiO2/PMMA composite photocatalyst synthesized by microwave heating method in ion liquid |
| CN101745271A (en) * | 2010-01-05 | 2010-06-23 | 江苏菲特滤料有限公司 | Compound photocatalysis antimicrobial air filter material and preparation method thereof |
| CN102847561A (en) * | 2012-09-19 | 2013-01-02 | 合肥工业大学 | Microporous glass supported TiO2 nano composite photocatalyst and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| TAKASHI KAMEGAWA, ET AL.: "Superhydrophobic surfaces with photocatalytic self-cleaning properties by nanocomposite coating of TiO2 and polytetrafluoroethylene", 《ADVANCED MATERIALS》 * |
| TETSUTO NAKASHIMA, ET AL.: "Photocatalytic decomposition of estrogens in aquatic environment by reciprocating immersion of TiO2-modified polytetrapluoroethylene mesh sheets", 《JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A: CHEMISTRY》 * |
| 徐阳，等: "负载纳米TiO2织物的制备及甲醛降解", 《纺织学报》 * |
| 邓炳耀，等: "负载纳米ZnO非织造材料的光催化性能", 《第10界功能性纺织品及纳米技术应用研讨会》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846623A (en) * | 2015-05-20 | 2015-08-19 | 江苏腾盛纺织科技集团有限公司 | Light shading curtain cloth with formaldehyde purification function and preparing method thereof |
| CN104862949A (en) * | 2015-05-20 | 2015-08-26 | 江苏腾盛纺织科技集团有限公司 | Seamless sticking wall cloth with formaldehyde purification function and preparation method of seamless sticking wall cloth |
| CN104941319B (en) * | 2015-06-19 | 2016-06-29 | 合肥工业大学 | A kind of preparation method of manganio dedusting denitrification integral function filter material |
| CN106139743A (en) * | 2016-06-30 | 2016-11-23 | 宁波钛安新材料科技有限公司 | A kind of preparation method of layer structure air purifying filter mesh sheet |
| CN106192373A (en) * | 2016-08-31 | 2016-12-07 | 朱凤兮 | A kind of dacron aculeus filtering felt surface coating process |
| CN107190502A (en) * | 2017-06-28 | 2017-09-22 | 南京际华三五二环保科技有限公司 | A kind of nano-tourmaline hybridisation emulsion and preparation method thereof |
| CN107287896A (en) * | 2017-07-31 | 2017-10-24 | 安徽元琛环保科技股份有限公司 | A kind of dedusting filtrate dressing liquid, its preparation method and application |
| CN110055699A (en) * | 2019-05-13 | 2019-07-26 | 江苏菲斯特滤料有限公司 | A kind of final finishing device of filtering material |
| CN114570149A (en) * | 2021-12-29 | 2022-06-03 | 无锡红旗除尘设备有限公司 | Electric furnace dust removal system for steelmaking process |
| CN114570149B (en) * | 2021-12-29 | 2023-07-14 | 无锡红旗除尘设备有限公司 | Electric furnace dust removal system for steelmaking process |
| CN115382387A (en) * | 2022-08-03 | 2022-11-25 | 厦门中创环保科技股份有限公司 | Manufacturing process of formaldehyde-removing felt and formaldehyde-removing felt |
| CN115382387B (en) * | 2022-08-03 | 2024-05-24 | 厦门中创环保科技股份有限公司 | Process for manufacturing formaldehyde-removing felt and formaldehyde-removing felt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103341289B (en) | 2015-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103341289B (en) | Preparation method of nano-TiO2-loaded terylene-needled filtering material | |
| Gebru et al. | Removal of Pb (II) and Cu (II) ions from wastewater using composite electrospun cellulose acetate/titanium oxide (TiO2) adsorbent | |
| Ji et al. | Sphagnum inspired g‐C3N4 nano/microspheres with smaller bandgap in heterojunction membranes for sunlight‐driven water purification | |
| Gopinath et al. | Strategies to design modified activated carbon fibers for the decontamination of water and air | |
| Huang et al. | Photocatalytic MOF fibrous membranes for cyclic adsorption and degradation of dyes | |
| JP5192085B2 (en) | Carbon catalyst for decomposing toxic substances, decomposing substances and decomposing method | |
| Liu et al. | Antifouling wood matrix with natural water transfer and microreaction channels for water treatment | |
| Feng et al. | Adsorption of hexavalent chromium by polyacrylonitrile-based porous carbon from aqueous solution | |
| Rosli et al. | Crosslinked chitosan/poly (vinyl alcohol) nanofibers functionalized by ionic liquid for heavy metal ions removal | |
| Liu et al. | Durable Co (OH) 2/stearic acid-based superhydrophobic/superoleophilic nanocellulose membrane for highly efficient oil/water separation and simultaneous removal of soluble dye | |
| CN106268030A (en) | A kind of corrosion-proof high-temp flue gas composite filter material and preparation method thereof | |
| Li et al. | Self-cleaning photocatalytic PVDF membrane loaded with NH2-MIL-88B/CDs and Graphene oxide for MB separation and degradation | |
| Mia et al. | Degradation of textile dyes from aqueous solution using tea-polyphenol/Fe loaded waste silk fabrics as Fenton-like catalysts | |
| Wu et al. | TiO2@ HNTs robustly decorated PVDF membrane prepared by a bioinspired accurate-deposition strategy for complex corrosive wastewater treatment | |
| CN112626718A (en) | Method for preparing MOF (Metal organic framework)/cellulose/polyacrylonitrile mask filter layer | |
| Jiang et al. | Super-wetting and self-cleaning polyvinyl alcohol/sodium alginate nanofiber membrane decorated with MIL-88A (Fe) for efficient oil/water emulsion separation and dye degradation | |
| Wen et al. | Highly efficient removal of Cr (VI) from wastewater using electronegative SA/EGCG@ Ti/SA/PVDF sandwich membrane | |
| Sheraz et al. | Electrospinning synthesis of CuBTC/TiO2/PS composite nanofiber on HEPA filter with self-cleaning property for indoor air purification | |
| CN106334374B (en) | The preparation method and product of a kind of dedusting and the filtering material for decomposing bioxin | |
| Cui et al. | Electrospun H 4 SiW 12 O 40/chitosan/polycaprolactam sandwich nanofibrous membrane with excellent dual-function: adsorption and photocatalysis | |
| Ren et al. | Facile preparation of PAN@ Ag–Ag2O/TiO2 nanofibers with enhanced photocatalytic activity and reusability toward oxidation of As (III) | |
| CN2669958Y (en) | Composite high-temperature resistant adsorption filtering felt | |
| CN110467250B (en) | Micro-fiber composite NaA molecular sieve membrane-nano zero-valent iron composite material, preparation method thereof and application thereof in wastewater treatment | |
| Mahrunnisa et al. | Green Synthesis of Cr-PTC-HIna Metal Organic Frameworks (MOFs) and Its Application in Methylene Blue Photocatalytic Degradation | |
| Elkady et al. | Photocatalytic degradation of malachite green dye from aqueous solution using environmentally compatible Ag/ZnO polymeric nanofibers. Polymers (Basel)(2021) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |