CN108745334A - 一种甲醛原位降解陶瓷滤芯及其制备方法 - Google Patents
一种甲醛原位降解陶瓷滤芯及其制备方法 Download PDFInfo
- Publication number
- CN108745334A CN108745334A CN201810423134.2A CN201810423134A CN108745334A CN 108745334 A CN108745334 A CN 108745334A CN 201810423134 A CN201810423134 A CN 201810423134A CN 108745334 A CN108745334 A CN 108745334A
- Authority
- CN
- China
- Prior art keywords
- formaldehyde
- degradation
- ceramic element
- porous carbon
- carbon fiber
- 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.)
- Pending
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 266
- 230000015556 catabolic process Effects 0.000 title claims abstract description 72
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 72
- 239000000919 ceramic Substances 0.000 title claims abstract description 48
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 61
- 239000004917 carbon fiber Substances 0.000 claims abstract description 61
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000000835 fiber Substances 0.000 claims abstract description 45
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 43
- 229960000892 attapulgite Drugs 0.000 claims abstract description 40
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 40
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000006210 lotion Substances 0.000 claims abstract description 22
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 19
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 239000004088 foaming agent Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 23
- 238000002604 ultrasonography Methods 0.000 claims description 15
- -1 sulfonyl hydrazines compound Chemical class 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 8
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 7
- 229910000077 silane Inorganic materials 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 3
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 3
- 238000005660 chlorination reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical class CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000002832 nitroso derivatives Chemical class 0.000 claims description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethyl sulfoxide Natural products CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims 3
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims 1
- 229940113088 dimethylacetamide Drugs 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 20
- 229910000029 sodium carbonate Inorganic materials 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 8
- 229930040373 Paraformaldehyde Natural products 0.000 description 8
- 229920002866 paraformaldehyde Polymers 0.000 description 8
- 238000009987 spinning Methods 0.000 description 8
- 239000012300 argon atmosphere Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 238000001523 electrospinning Methods 0.000 description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 229960001040 ammonium chloride Drugs 0.000 description 4
- 235000019270 ammonium chloride Nutrition 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 150000004702 methyl esters Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 206010014561 Emphysema Diseases 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 201000007100 Pharyngitis Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- AJXBTRZGLDTSST-UHFFFAOYSA-N amino 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)ON AJXBTRZGLDTSST-UHFFFAOYSA-N 0.000 description 1
- RISSOAQTPCDYBY-UHFFFAOYSA-N azanium;n-methylmethanamine;chloride Chemical compound [NH4+].[Cl-].CNC RISSOAQTPCDYBY-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000005909 ethyl alcohol group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 206010039083 rhinitis Diseases 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
-
- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/084—Decomposition of carbon-containing compounds into carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/441—Alkoxides, e.g. methoxide, tert-butoxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
- C04B2235/5248—Carbon, e.g. graphite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Optics & Photonics (AREA)
- Filtering Materials (AREA)
- Materials For Medical Uses (AREA)
- Artificial Filaments (AREA)
Abstract
本发明涉及甲醛净化技术领域,具体涉及一种甲醛原位降解陶瓷滤芯及其制备方法,所述甲醛原位降解陶瓷滤芯的制备方法,步骤如下:(1)将尼龙66乳液与发泡剂混合均匀后静电纺丝得尼龙66纤维,将尼龙66纤维煅烧得多孔碳纤维;(2)将多孔碳纤维、凹凸棒土、硅烷偶联剂和有机钛酸酯在溶剂中进行热反应,得到改性多孔碳纤维;(3)将改性多孔碳纤维在溶剂中分散后加入聚二烯丙基二甲基氯化铵,接着加入氧化石墨烯,得到甲醛降解催化剂;(4)将甲醛降解催化剂与硅藻土混合后,压模成型,烧结后得到甲醛原位降解陶瓷滤芯。本发明的甲醛原位降解陶瓷滤芯能够对室内的甲醛进行吸附和催化降解,能够持久、彻底的净化室内的甲醛。
Description
技术领域
本发明涉及甲醛净化技术领域,具体涉及一种甲醛原位降解陶瓷滤芯及其制备方法。
背景技术
甲醛是挥发性有机污染物(VOCs)中的主要污染物之一,尤其是在室内环境中广泛存在。甲醛对人体的危害取决于其浓度,在低浓度下刺激眼黏膜,浓度稍高时刺激上呼吸道,引起咳嗽、胸闷、头痛和恶心,浓度更高时引起鼻炎、咽炎、肺气肿、肺癌,甚至死亡。目前己经被世界卫生组织确定为致癌和致畸形物质,由甲醛引发的室内环境污染带来的健康问题已日益成为公众瞩目的新热点。
目前,室内甲醛分解技术有自然传统法、吸附法、空气负离子技术法、光催化技术法、催化氧化技术法,其中以吸附法、光催化技术法、催化氧化技术法为主。吸附法主要采用活性炭、活性氧化铝等作为吸附剂对甲醛进行吸附,如专利CN201310425845.0公开的具有复合吸附功能的甲醛吸附包及其制备方法、专利CN201410511926.7公开的一种用于甲醛吸附的改性活性炭纤维的制备方法。现有的用于降低甲醛的滤芯多为多孔材料,只能对空气中的甲醛进行吸附,而不能对甲醛进行降解,还会造成二次脱附,不能从根本上解决甲醛对人体的伤害。
发明内容
本发明的目的是为了克服现有技术存在的问题,提供一种甲醛原位降解陶瓷滤芯的制备方法,它能够吸附室内的甲醛,并能够在吸附位点对甲醛进行原位降解,具有催化效率高,降解彻底的优点。
为了实现上述目的,本发明提供一种甲醛原位降解陶瓷滤芯的制备方法,步骤如下:
(1)在尼龙66乳液中加入发泡剂混合均匀,然后静电纺丝得到尼龙66纤维,将尼龙66纤维在300~450℃下煅烧2~4h,得到多孔碳纤维;
(2)将多孔碳纤维、凹凸棒土、硅烷偶联剂和有机钛酸酯在溶剂中混合均匀后,超声15~30min,然后在80~120℃下密封反应3~6h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在溶剂中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)将甲醛降解催化剂与硅藻土按重量比为1:(10~50)的比例混合均匀,然后投入模具中压模成型,并在惰性气体氛围中烧结,得到甲醛原位降解陶瓷滤芯。
本发明还提供一种根据上述方法制备得到的甲醛原位降解陶瓷滤芯。
通过上述技术方案,本发明首先在尼龙66乳液中加入发泡剂,并进行静电纺丝和煅烧,得到多孔碳纤维,然后将多孔碳纤维与凹凸棒土和有机钛酸酯混合后超声,能够使凹凸棒土与有机钛酸酯进入多孔碳纤维的孔隙中,然后进行封闭热反应,使有机钛酸酯分解生成纳米二氧化钛,即在多孔碳纤维的孔隙内生成了具有催化性能的纳米二氧化钛改性凹凸棒土,即改性多孔碳纤维,最后将改性多孔碳纤维与聚二烯丙基二甲基氯化铵反应,使改性多孔碳纤维带有正电荷,再将待正电荷的改性多孔碳纤维与带负电荷的氧化石墨搅拌反应,采用氧化石墨烯对改性多孔碳纤维进行进一步改性,提高其催化降解甲醛的性能。本发明的甲醛原位降解陶瓷滤芯含有丰富的孔隙结构,比表面积高,能够吸附甲醛;且孔隙中的纳米二氧化钛改性凹凸棒土能够对甲醛进行分解,从而达到原位分解甲醛的作用,具有催化效率高的特点。
具体实施方式
在本文中所披露的范围的端点和任何值都不限于该精确的范围或值,这些范围或值应当理解为包含接近这些范围或值的值。对于数值范围来说,各个范围的端点值之间、各个范围的端点值和单独的点值之间,以及单独的点值之间可以彼此组合而得到一个或多个新的数值范围,这些数值范围应被视为在本文中具体公开。
本发明提供一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土5~15重量份、有机钛酸酯3~12重量份、硅烷偶联剂3~4重量份、氧化石墨烯5~8重量份、聚二烯丙基二甲基氯化铵3~8重量份、发泡剂1~5重量份、尼龙66乳液80~150重量份、溶剂10~50重量份、硅藻土1000~5000重量份。优选条件下,所述甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土6~12重量份、有机钛酸酯5~10重量份、硅烷偶联剂3~4重量份、氧化石墨烯5~8重量份、聚二烯丙基二甲基氯化铵3~8重量份、发泡剂1~5重量份、尼龙66乳液100~120重量份、溶剂10~50重量份、硅藻土1000~5000重量份。
本发明还提供一种所述甲醛原位降解陶瓷滤芯的制备方法,步骤如下:
(1)在尼龙66乳液中加入发泡剂混合均匀,然后静电纺丝得到尼龙66纤维,将尼龙66纤维在300~450℃下煅烧2~4h,得到多孔碳纤维;
(2)将多孔碳纤维、凹凸棒土、硅烷偶联剂和有机钛酸酯在溶剂中混合均匀后,超声15~30min,然后在80~120℃下密封反应3~6h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在溶剂中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)将甲醛降解催化剂与硅藻土按重量比为1:(10~50)的比例混合均匀,然后投入模具中压模成型,并在惰性气体氛围中烧结,得到甲醛原位降解陶瓷滤芯。
本发明首先在尼龙66乳液中加入发泡剂,并进行静电纺丝和煅烧,得到多孔碳纤维,优选条件下,所述静电纺丝工艺为:电源电压30~50kV,纺丝温度为25~35℃,相对湿度60~75%;多针头喷丝单元针头间距25~35cm,喷丝单元针头数量为60~90个;所述发泡剂选自偶氮化合物、磺酰肼类化合物、亚硝基化合物和碳酸盐中的至少一种。
凹凸棒土中含有丰富的孔隙结构,能够吸附空气的甲醛,为了提高凹凸棒土的比表面积,优选条件下,本发明中还包括凹凸棒土的改性处理,所述凹凸棒土的改性处理工艺为:将凹凸棒土研磨均匀后,过200目筛,然后在300~500℃下煅烧3~6h。
将多孔碳纤维与凹凸棒土和有机钛酸酯混合后超声,能够使凹凸棒土与有机钛酸酯进入多孔纤维的孔隙中,然后进行封闭热反应,使有机钛酸酯分解生成纳米二氧化钛,然后纳米二氧化硅和凹凸棒土在硅烷偶联剂的作用在多孔碳纤维的孔隙内生成了具有催化性能的纳米二氧化钛改性凹凸棒土;优选条件下,所述有机钛酸酯选自钛酸四乙酯、钛酸四甲酯、钛酸四异丙酯、钛酸四异丁酯、钛酸四正丁酯中的至少一种。
优选条件下,所述硅烷偶联剂选自硅烷偶联剂KH550、硅烷偶联剂KH560、硅烷偶联剂KH570、硅烷偶联剂KH580、硅烷偶联剂KH590、硅烷偶联剂KH792、硅烷偶联剂KBM602、硅烷偶联剂A151和硅烷偶联剂A171中的至少一种。
本发明中,将改性多孔碳纤维与聚二烯丙基二甲基氯化铵反应,使改性多孔碳纤维带有正电荷,再将待正电荷的改性多孔碳纤维与带负电荷的氧化石墨搅拌反应,采用氧化石墨烯对改性多孔碳纤维进行进一步改性,提高其催化降解甲醛的性能。
进一步优选的,所述溶剂选自丙酮、N,N-二甲基甲酰胺、N-甲基吡咯烷酮、N,N-二甲基乙酰胺、N,N-二乙基甲酰胺、乙醇、醋酸、乙酸乙酯、氯仿、四氢呋喃、石油醚、二甲基亚砜和水中的至少一种。
本发明中将车用净化剂与硅藻土混合烧结,以制成具有净化功能的滤芯,硅藻土中含有丰富份孔隙结构,能够吸附空气中的有害气体,然后通过甲醛降解催化剂对甲醛在陶瓷滤芯内部(吸附位点)进行催化降解,达到净化空气的作用。
本发明还提供一种根据上述方法制备得到的甲醛原位降解陶瓷滤芯。
本发明的甲醛原位降解陶瓷滤芯含有丰富的孔隙结构,比表面积高,能够吸附甲醛,并在吸附位点对甲醛进行分解,具有催化效率高的特点。
以下将通过实施例对本发明进行详细描述。
实施例1
一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土10重量份、钛酸四乙酯8重量份、硅烷偶联剂KH5803.5重量份、氧化石墨烯6重量份、聚二烯丙基二甲基氯化铵5重量份、碳酸钠3重量份、尼龙66乳液100重量份、水50重量份、硅藻土2000重量份。
所述甲醛原位降解陶瓷滤芯的制备方法,步骤如下:
(1)在尼龙66乳液中加入碳酸钠混合均匀,然后静电纺丝得到尼龙66纤维,所述静电纺丝工艺为:电源电压50kV,纺丝温度为35℃,相对湿度75%;多针头喷丝单元针头间距35cm,喷丝单元针头数量为90个;
将尼龙66纤维在350℃下煅烧3h,得到多孔碳纤维;
(2)将凹凸棒土研磨均匀后,过200目筛,然后在400℃下煅烧5h;
将多孔碳纤维、凹凸棒土、硅烷偶联剂KH580和钛酸四乙酯在水中混合均匀后,超声15~30min,然后在80~120℃下密封反应3~6h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在水中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)取甲醛降解催化剂100重量份与硅藻土混合均匀,然后投入模具中压模成型,并在氩气氛围中烧结,得到甲醛原位降解陶瓷滤芯。
实施例2
一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土12重量份、钛酸四甲酯10重量份、硅烷偶联剂KH5903.2重量份、氧化石墨烯6重量份、聚二烯丙基二甲基氯化铵6重量份、N,N’-二亚硝基五次甲基四胺3重量份、尼龙66乳液120重量份、乙醇50重量份、硅藻土
3000重量份。
(1)在尼龙66乳液中加入N,N’-二亚硝基五次甲基四胺混合均匀,然后静电纺丝得到尼龙66纤维,所述静电纺丝工艺为:电源电压50kV,纺丝温度为35℃,相对湿度75%;多针头喷丝单元针头间距35cm,喷丝单元针头数量为90个;
将尼龙66纤维在400℃下煅烧2.5h,得到多孔碳纤维;
(2)将凹凸棒土研磨均匀后,过200目筛,然后在350℃下煅烧5h;
将多孔碳纤维、凹凸棒土、硅烷偶联剂KH590和钛酸四甲酯在乙醇中混合均匀后,超声15~30min,然后在100℃下密封反应4h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在乙醇中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)取甲醛降解催化剂100重量份与硅藻土混合均匀,然后投入模具中压模成型,并在氩气氛围中烧结,得到甲醛原位降解陶瓷滤芯。
实施例3
一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土6重量份、钛酸四正丁酯5重量份、硅烷偶联剂KH7923.8重量份、氧化石墨烯5.5重量份、聚二烯丙基二甲基氯化铵4重量份、4,4-氧代双苯磺酰肼2重量份、尼龙66乳液100重量份、石油醚40重量份、硅藻土2500重量份。
(1)在尼龙66乳液中加入4,4-氧代双苯磺酰肼混合均匀,然后静电纺丝得到尼龙66纤维,所述静电纺丝工艺为:电源电压50kV,纺丝温度为35℃,相对湿度75%;多针头喷丝单元针头间距35cm,喷丝单元针头数量为90个;
将尼龙66纤维在350℃下煅烧2.5h,得到多孔碳纤维;
(2)将凹凸棒土研磨均匀后,过200目筛,然后在400℃下煅烧4h;
将多孔碳纤维、凹凸棒土、硅烷偶联剂KH792和钛酸四正丁酯在石油醚中混合均匀后,超声15~30min,然后在120℃下密封反应3h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在石油醚中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)取甲醛降解催化剂100重量份与硅藻土混合均匀,然后投入模具中压模成型,并在氩气氛围中烧结,得到甲醛原位降解陶瓷滤芯。
实施例4
一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土15重量份、钛酸四异丁酯3重量份、硅烷偶联剂KH5704重量份、氧化石墨烯5重量份、聚二烯丙基二甲基氯化铵8重量份、碳酸钠1重量份、尼龙66乳液150重量份、水50重量份、硅藻土1000重量份。
(1)在尼龙66乳液中加入碳酸钠混合均匀,然后静电纺丝得到尼龙66纤维,所述静电纺丝工艺为:电源电压30kV,纺丝温度为25℃,相对湿度60%;多针头喷丝单元针头间距25cm,喷丝单元针头数量为60个;
将尼龙66纤维在450℃下煅烧4h,得到多孔碳纤维;
(2)将凹凸棒土研磨均匀后,过200目筛,然后在500℃下煅烧3h;
将多孔碳纤维、凹凸棒土、硅烷偶联剂KH570和钛酸四异丁酯在水中混合均匀后,超声15~30min,然后在80℃下密封反应6h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在水中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)取甲醛降解催化剂100重量份与硅藻土混合均匀,然后投入模具中压模成型,并在氩气氛围中烧结,得到甲醛原位降解陶瓷滤芯。
实施例5
一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土5重量份、钛酸四正丁酯12重量份、硅烷偶联剂KH5703重量份、氧化石墨烯8重量份、聚二烯丙基二甲基氯化铵3重量份、碳酸钠5重量份、尼龙66乳液80重量份、四氢呋喃10重量份、硅藻土5000重量份。
(1)在尼龙66乳液中加入碳酸钠混合均匀,然后静电纺丝得到尼龙66纤维,所述静电纺丝工艺为:电源电压30kV,纺丝温度为25℃,相对湿度60%;多针头喷丝单元针头间距25cm,喷丝单元针头数量为60个;
将尼龙66纤维在300℃下煅烧2h,得到多孔碳纤维;
(2)将凹凸棒土研磨均匀后,过200目筛,然后在300℃下煅烧6h;
将多孔碳纤维、凹凸棒土、硅烷偶联剂KH570和钛酸四正丁酯在四氢呋喃中混合均匀后,超声15~30min,然后在100℃下密封反应3h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在四氢呋喃中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)取甲醛降解催化剂100重量份与硅藻土混合均匀,然后投入模具中压模成型,并在氩气氛围中烧结,得到甲醛原位降解陶瓷滤芯。
对比例1
一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土10重量份、硅烷偶联剂KH5803.5重量份、氧化石墨烯6重量份、聚二烯丙基二甲基氯化铵5重量份、碳酸钠3重量份、尼龙66乳液100重量份、水50重量份、硅藻土2000重量份。
所述甲醛原位降解陶瓷滤芯的制备方法,步骤如下:
(1)在尼龙66乳液中加入碳酸钠混合均匀,然后静电纺丝得到尼龙66纤维,所述静电纺丝工艺为:电源电压50kV,纺丝温度为35℃,相对湿度75%;多针头喷丝单元针头间距35cm,喷丝单元针头数量为90个;
将尼龙66纤维在350℃下煅烧3h,得到多孔碳纤维;
(2)将凹凸棒土研磨均匀后,过200目筛,然后在400℃下煅烧5h;
将多孔碳纤维、凹凸棒土、硅烷偶联剂KH580在水中混合均匀后,超声15~30min,然后在80~120℃下密封反应3~6h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在水中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)取甲醛降解催化剂100重量份与硅藻土混合均匀,然后投入模具中压模成型,并在氩气氛围中烧结,得到甲醛原位降解陶瓷滤芯。
对比例2
一种甲醛原位降解陶瓷滤芯,由如下重量份的物质制成:凹凸棒土10重量份、钛酸四乙酯8重量份、硅烷偶联剂KH5803.5重量份、聚二烯丙基二甲基氯化铵5重量份、碳酸钠3重量份、尼龙66乳液100重量份、水50重量份、硅藻土2000重量份。
所述甲醛原位降解陶瓷滤芯的制备方法,步骤如下:
(1)在尼龙66乳液中加入碳酸钠混合均匀,然后静电纺丝得到尼龙66纤维,所述静电纺丝工艺为:电源电压50kV,纺丝温度为35℃,相对湿度75%;多针头喷丝单元针头间距35cm,喷丝单元针头数量为90个;
将尼龙66纤维在350℃下煅烧3h,得到多孔碳纤维;
(2)将凹凸棒土研磨均匀后,过200目筛,然后在400℃下煅烧5h;
将多孔碳纤维、凹凸棒土、硅烷偶联剂KH580和钛酸四乙酯在水中混合均匀后,超声15~30min,然后在80~120℃下密封反应3~6h,得到改性多孔碳纤维;
(4)取改性多孔碳纤维100重量份与硅藻土混合均匀,然后投入模具中压模成型,并在氩气氛围中烧结,得到甲醛原位降解陶瓷滤芯。
实验测试:
本发明实施例1-5和对比例1-2中的甲醛原位降解陶瓷滤芯对甲醛的净化性能评价在Φ20mm、长200mm直型聚四氟乙烯管反应器中进行,将甲醛原位降解陶瓷滤芯加入聚四氟乙烯管反应器中,接着将聚四氟乙烯管反应器抽真空至压力为-1.0KPa,然后向聚四氟乙烯管反应器中注入原料气至常压,测试不同时间下甲醛原位降解陶瓷滤芯对甲醛的净化率,原料气组成为:甲醛浓度6ppm,其余为空气。反应在25℃常压环境下进行,实验结果如表1所示。
表1:实施例1-5和对比例1-2中的甲醛原位降解陶瓷滤芯的净化性能
以上详细描述了本发明的优选实施方式,但是,本发明并不限于此。在本发明的技术构思范围内,可以对本发明的技术方案进行多种简单变型,包括各个技术特征以任何其它的合适方式进行组合,这些简单变型和组合同样应当视为本发明所公开的内容,均属于本发明的保护范围。
Claims (7)
1.一种甲醛原位降解陶瓷滤芯的制备方法,其特征在于,步骤如下:
(1)在尼龙66乳液中加入发泡剂混合均匀,然后静电纺丝得到尼龙66纤维,将尼龙66纤维在300~450℃下煅烧2~4h,得到多孔碳纤维;
(2)将多孔碳纤维、凹凸棒土、硅烷偶联剂和有机钛酸酯在溶剂中混合均匀后,超声15~30min,然后在80~120℃下密封反应3~6h,得到改性多孔碳纤维;
(3)将改性多孔碳纤维在溶剂中超声分散15~30min,然后加入聚二烯丙基二甲基氯化铵,继续超声30~45min,接着加入氧化石墨烯,搅拌30~45min后,得到甲醛降解催化剂;
(4)将甲醛降解催化剂与硅藻土按重量比为1:(10~50)的比例混合均匀,然后投入模具中压模成型,并在惰性气体氛围中烧结,得到甲醛原位降解陶瓷滤芯。
2.根据权利要求1所述的甲醛原位降解陶瓷滤芯的制备方法,其特征在于,还包括凹凸棒土的改性处理,所述凹凸棒土的改性处理工艺为:将凹凸棒土研磨均匀后,然后在300~500℃下煅烧3~6h。
3.根据权利要求2所述的甲醛原位降解陶瓷滤芯的制备方法,其特征在于,所述发泡剂选自偶氮化合物、磺酰肼类化合物、亚硝基化合物和碳酸盐中的至少一种。
4.根据权利要求1所述的甲醛原位降解陶瓷滤芯的制备方法,其特征在于,所述有机钛酸酯选自钛酸四乙酯、钛酸四甲酯、钛酸四异丙酯、钛酸四异丁酯、钛酸四正丁酯中的至少一种。
5.根据权利要求1所述的甲醛原位降解陶瓷滤芯的制备方法,其特征在于,所述硅烷偶联剂选自硅烷偶联剂KH550、硅烷偶联剂KH560、硅烷偶联剂KH570、硅烷偶联剂KH580、硅烷偶联剂KH590、硅烷偶联剂KH792、硅烷偶联剂KBM602、硅烷偶联剂A151和硅烷偶联剂A171中的至少一种。
6.根据权利要求1所述的甲醛原位降解陶瓷滤芯的制备方法,其特征在于,所述溶剂选自丙酮、N,N-二甲基甲酰胺、N-甲基吡咯烷酮、N,N-二甲基乙酰胺、N,N-二乙基甲酰胺、乙醇、醋酸、乙酸乙酯、氯仿、四氢呋喃、石油醚、二甲基亚砜和水中的至少一种。
7.一种甲醛原位降解陶瓷滤芯,其特征在于,根据权利要求1~6中任意一项所述的制备方法制备得到。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810423134.2A CN108745334A (zh) | 2018-05-05 | 2018-05-05 | 一种甲醛原位降解陶瓷滤芯及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810423134.2A CN108745334A (zh) | 2018-05-05 | 2018-05-05 | 一种甲醛原位降解陶瓷滤芯及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108745334A true CN108745334A (zh) | 2018-11-06 |
Family
ID=64009343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810423134.2A Pending CN108745334A (zh) | 2018-05-05 | 2018-05-05 | 一种甲醛原位降解陶瓷滤芯及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108745334A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111686775A (zh) * | 2020-07-22 | 2020-09-22 | 无锡尚好蓝图环保科技有限公司 | 一种高稳定型陶瓷蜂窝状催化剂及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1256170A (zh) * | 1998-12-04 | 2000-06-14 | 中国科学院大连化学物理研究所 | 一种金属网固载的纳米TiO2光催化剂及制备 |
CN101653720A (zh) * | 2009-09-22 | 2010-02-24 | 高仁凤 | 具有自洁功能的蜂窝活性炭及其制造方法 |
CN103225135A (zh) * | 2013-05-09 | 2013-07-31 | 中国科学院化学研究所 | 多孔碳纤维及其制备方法与应用 |
CN107486110A (zh) * | 2015-07-20 | 2017-12-19 | 重庆文理学院 | 一种高效降解亚甲基蓝的方法 |
-
2018
- 2018-05-05 CN CN201810423134.2A patent/CN108745334A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1256170A (zh) * | 1998-12-04 | 2000-06-14 | 中国科学院大连化学物理研究所 | 一种金属网固载的纳米TiO2光催化剂及制备 |
CN101653720A (zh) * | 2009-09-22 | 2010-02-24 | 高仁凤 | 具有自洁功能的蜂窝活性炭及其制造方法 |
CN103225135A (zh) * | 2013-05-09 | 2013-07-31 | 中国科学院化学研究所 | 多孔碳纤维及其制备方法与应用 |
CN107486110A (zh) * | 2015-07-20 | 2017-12-19 | 重庆文理学院 | 一种高效降解亚甲基蓝的方法 |
Non-Patent Citations (1)
Title |
---|
王雪: "TiO2/ACF复合光催化网制备及其光催化性能的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111686775A (zh) * | 2020-07-22 | 2020-09-22 | 无锡尚好蓝图环保科技有限公司 | 一种高稳定型陶瓷蜂窝状催化剂及其制备方法 |
CN111686775B (zh) * | 2020-07-22 | 2022-09-16 | 无锡尚好蓝图环保科技有限公司 | 一种高稳定型陶瓷蜂窝状催化剂及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1293938C (zh) | 一种改性活性炭用作甲醛分解剂的用途 | |
CN107938028B (zh) | 一种具有强吸附作用的光催化复合纤维的制备方法 | |
CN113275034B (zh) | 一种用于VOCs消除的多级孔分子筛催化剂及其制备方法 | |
CN205567899U (zh) | 一种具有防雾霾功能的口罩 | |
CN110270379B (zh) | 一种MnOx-MOF-Gr复合材料及其制备方法和应用 | |
CN106750498A (zh) | 光催化降解甲醛功能泡沫炭的制备方法 | |
CN109453787A (zh) | 可以高效分解甲醛、甲苯的MWCNT负载PtFe-TiO2催化剂的制备方法 | |
CN108786715A (zh) | 一种原位降解甲醛的吸附催化剂 | |
CN108855027A (zh) | 一种原位降解甲醛的吸附催化剂的制备方法 | |
CN108745334A (zh) | 一种甲醛原位降解陶瓷滤芯及其制备方法 | |
CN106345403A (zh) | 一种催化甲醛的硅藻土基复合材料及其制备方法和应用 | |
CN110743501A (zh) | 一种净化甲醛污染空气的金属有机骨架材料及制备方法 | |
CN108620031A (zh) | 一种复合空气净化剂的制备方法 | |
CN110961140A (zh) | 甲醛分子筛催化剂的制备方法 | |
CN110342487A (zh) | 一种聚多巴胺改性mof衍生碳分子筛的制备方法 | |
CN113368828B (zh) | Mof骨架炭化异质结的空气净化材料及其制备方法与应用 | |
CN108620038A (zh) | 一种车用净化滤芯及其制备方法 | |
CN213824853U (zh) | 纳米摩擦电荷增强锰氧化物/高分子复合材料去除甲醛的装置 | |
CN110170306B (zh) | 两步改性法制备常温高效去除空气中低浓度甲醛吸附剂的工艺及其产品和应用 | |
CN114887655A (zh) | 纳米NiO-VOX/TiO2-分子筛复合催化剂及其制备方法与应用 | |
CN108671966A (zh) | 一种负离子甲醛催化净化剂 | |
CN108671744A (zh) | 一种负离子甲醛催化净化剂的制备方法 | |
CN106362684A (zh) | 用于二氧化碳吸附分离的含氮碳纳米纤维材料及其制备 | |
CN112755953B (zh) | 脱除流体中氮氧化物的吸附剂、制备方法及用途 | |
CN113713803A (zh) | 一种催化活性组分及其制备方法、催化剂及其应用 |
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 | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181106 |
|
WD01 | Invention patent application deemed withdrawn after publication |