CN112387286B - Flexible woven-plastic catalytic material and preparation method and application thereof - Google Patents
Flexible woven-plastic catalytic material and preparation method and application thereof Download PDFInfo
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- CN112387286B CN112387286B CN202011421934.4A CN202011421934A CN112387286B CN 112387286 B CN112387286 B CN 112387286B CN 202011421934 A CN202011421934 A CN 202011421934A CN 112387286 B CN112387286 B CN 112387286B
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- flexible
- catalytic material
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- woven
- fiber
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- 239000000463 material Substances 0.000 title claims abstract description 100
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 97
- 229920003023 plastic Polymers 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000001354 calcination Methods 0.000 claims description 38
- 239000000835 fiber Substances 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 31
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 25
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 18
- 239000002243 precursor Substances 0.000 claims description 17
- 239000013305 flexible fiber Substances 0.000 claims description 14
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 239000002657 fibrous material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000009941 weaving Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 230000029087 digestion Effects 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 229910052863 mullite Inorganic materials 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000006555 catalytic reaction Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000004071 soot Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003500 flue dust Substances 0.000 abstract 2
- 239000013078 crystal Substances 0.000 description 19
- 239000003054 catalyst Substances 0.000 description 15
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 14
- 230000007547 defect Effects 0.000 description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 241000264877 Hippospongia communis Species 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 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 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 2
- 229940090961 chromium dioxide Drugs 0.000 description 2
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 229940043237 diethanolamine Drugs 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- 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
-
- 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
- B01D53/8637—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/8643—Removing mixtures of carbon monoxide or hydrocarbons and nitrogen oxides
- B01D53/8646—Simultaneous elimination of the components
- B01D53/865—Simultaneous elimination of the components characterised by a specific 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
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/745—Iron
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
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- B01J35/61—
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Abstract
The invention discloses a flexible woven plastic catalytic material and a preparation method and application thereof. The flexible woven plastic catalytic material provided by the invention has high comprehensive mechanical property and good economical efficiency; the energy consumption of the system is saved, and the temperature precision of the catalytic reaction is improved; the density is small, the weight is light, the difficulty of system maintenance and operation such as installation, disassembly, soot blowing, vibration and the like is greatly reduced, and the overall mass of the flue reactor can be reduced; the flue dust filtering and removing function which is carried out simultaneously with the catalytic reaction can be realized, and the flue dust filtering and removing function can be repeatedly utilized.
Description
Technical Field
The invention belongs to the field of industrial catalysis in chemical engineering, and relates to a flexible plastic-woven catalytic material, and a preparation method and application thereof.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The catalyst forming is an indispensable process in the catalyst utilization process, and the existing catalyst forming state mainly comprises honeycombs, corrugated plates, porous ceramics and the like. Such catalysts are relatively strong, however, the inventors have found through studies that the shape is not changeable during use and the density is relatively high, resulting in a relatively large reactor weight.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a flexible woven-plastic catalytic material, a preparation method and application thereof, wherein the surface area and the contact shape of a catalyst can be customized in the weaving-plastic process, and meanwhile, the flexible fiber material has small density and large surface area, so that the weight of a reactor can be reduced while the reaction effect is ensured.
In order to achieve the purpose, the technical scheme of the invention is as follows:
on the one hand, the preparation method of the flexible woven-plastic catalytic material comprises the steps of dipping the flexible material into an acid solution or an alkali solution for hydrothermal reaction, calcining the system after the hydrothermal reaction in an atmosphere containing oxygen and ozone to obtain a flexible carrier, spraying a catalytic active component salt solution on the flexible carrier in vacuum to obtain a catalytic material precursor, and calcining the catalytic material precursor to obtain the flexible woven-plastic catalytic material.
According to the invention, the structure of the catalyst is customized by adopting a crystal defect growth method on the surface of the flexible material, so that the adhesion of the catalytic active component on the surface of the flexible carrier is realized, and the framework shape of the flexible material is fixed, so that the flexible plastic-woven catalytic structure material is obtained. Wherein, the flexible carrier materialized structure customized by the crystal defect growth method improves the catalytic efficiency of the catalytic active component.
Experiments show that the flexible material is immersed in strong acid or strong alkali and undergoes hydrothermal reaction at high temperature and high pressure, so that the opening of the crystal structure defects on the surface of the flexible fiber material is realized; calcining in an atmosphere containing oxygen and ozone can enrich a large amount of oxygen-containing functional groups at crystal surface defects while opening surface crystal defect sites; the vacuum spraying technology can ensure that the catalytic active sites loaded on the crystal faces on the surface of the flexible carrier are full and uniformly distributed, and greatly strengthen the crystallization and crystal growth of the catalytic active components at the crystal defects on the surface of the flexible fiber material. Thereby realizing the compounding of the catalyst and the flexible material.
In another aspect, a flexible, fabric-moldable catalytic material is obtained by the above-described method of preparation.
In a third aspect, the flexible woven plastic catalytic material is used for catalytic denitration, catalytic CO oxidation removal, catalytic VOC digestion and SO2Adsorption, nitrogen oxide adsorption, and the like.
The invention has the beneficial effects that:
1. the method provided by the invention can be used for compounding the catalyst and the flexible material to obtain the flexible woven-plastic catalytic material.
2. The flexible plastic woven catalytic material provided by the invention has high comprehensive mechanical performance, can be specifically and custom designed according to different flues and different working condition environments, and has good economical efficiency and high catalytic efficiency.
3. The flexible plastic-woven catalytic material provided by the invention has the advantages of good high temperature resistance, small heat conductivity coefficient and low specific heat capacity, can fully utilize the temperature characteristics of a flue, saves the energy consumption of a system, and improves the reaction temperature precision.
4. The flexible woven-plastic catalytic material provided by the invention has the advantages of small density and light weight, greatly reduces the difficulty of system maintenance operations such as installation, disassembly, soot blowing, vibration and the like, and can reduce the overall mass of a flue reactor.
5. The flexible woven plastic catalytic material provided by the invention can be used for denitration, CO oxidation removal, VOC digestion and SO2And nitrogen oxide adsorption.
6. The flexible woven-plastic catalytic material provided by the invention can realize the flue filtering and dust removing function simultaneously with catalytic reaction by controlling the density of woven plastic in the material and the path and mesh number of the through pore, and can be recycled by periodically blowing dust and vibrating.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a diagram illustrating the catalytic effect of the flexible woven-plastic denitration catalytic material prepared in example 1 of the invention on NOx removal.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In view of the defects of variable shape, high density and the like of the catalyst prepared by the existing catalyst molding technology, the invention provides a flexible plastic-woven catalytic material and a preparation method and application thereof.
The invention provides a preparation method of a flexible woven-plastic catalytic material, which comprises the steps of dipping a flexible material into an acid solution or an alkali solution for hydrothermal reaction, calcining a system after the hydrothermal reaction in an atmosphere containing oxygen and ozone to obtain a flexible carrier, spraying a catalytic active component salt solution on the flexible carrier in vacuum to obtain a catalytic material precursor, and calcining the catalytic material precursor to obtain the flexible woven-plastic catalytic material.
The flexible material is a flexible fiber material, and includes but is not limited to fiber paper, cloth, woven belt and the like which are prepared by one or more of fiber materials such as glass fiber, silicon oxide fiber, silicon carbide fiber, alumina silicate fiber, zirconia fiber, mullite fiber, quartz fiber and the like through processes such as pulping, papermaking, spinning or weaving.
The solution of the catalytically active component salt according to the present invention is a solution of a metal salt (for example, zirconium nitrate, copper nitrate, iron nitrate, cerium nitrate, manganese nitrate, tetrabutyl titanate, etc.) which can be prepared by using a metal oxide (for example, one or more of zirconium oxide, titanium dioxide, chromium dioxide, iron oxide, calcium oxide, magnesium oxide, cerium oxide, copper oxide, manganese oxide, boron nitride, etc.) as a catalytically active component.
The flexible fiber material can be used as an ideal catalytic carrier due to higher comprehensive mechanical properties, and has the following advantages:
1. the high toughness, high strength and difficult fracture of the flexible fiber material provide guarantee for the plastic weaving capability of the flexible fiber material;
2. the fiber paper, cloth, woven belt and the like prepared by pulping, papermaking, spinning or weaving and other processes can be further designed into various shapes such as grid shape, honeycomb shape, wave shape and the like in the modes of pressing, weaving, cutting, splicing and the like, the shapes of the fiber paper, the cloth, the woven belt and the like are easy to change, and the catalytic material which can be subjected to targeted shape customization design according to requirements can best adapt to different working condition changes in different flues, so that the catalytic efficiency is greatly improved while the manufacturing materials and the cost are saved;
3. in a molten state before the fiber material is manufactured and molded, additives such as zirconium oxide, titanium dioxide, chromium dioxide, iron oxide, calcium oxide, magnesium oxide, boron nitride and the like can be doped in the fiber material to optimize the physicochemical properties of the fiber material, improve the macroscopic performances such as mechanical strength, a microscopic crystal structure, a microscopic surface pore structure and distribution and the like, improve the microscopic catalytic reaction environment and improve the reaction characteristics of the catalytic material;
4. the surface crystal and the single-layer metal oxide crystal loaded by impregnation also have the excellent characteristics of no agglomeration, no sintering, high temperature resistance and the like as the flexible fiber material of the traditional high temperature resistant material;
5. the flexible fiber material has small heat conductivity coefficient and low specific heat capacity, does not consume excessive system heat, saves the system energy consumption and effectively improves the temperature precision of the reaction working condition;
6. the flexible fabric-plastic catalytic material is convenient to mount and dismount in the using process and is beneficial to the maintenance operations of systems such as soot blowing, rapping and the like due to the mechanical characteristics of high strength, high toughness, difficult fracture and the like of the flexible fiber material.
However, experiments show that the catalytic active component is difficult to compound with the flexible fiber material by the conventional method, or the catalytic effect is not generated after the compounding.
According to the invention, the structure of the catalyst is customized on the surface of the flexible material by adopting a crystal defect growth method, so that the adhesion of the catalytic active component on the surface of the flexible material is realized, and the framework shape of the flexible material is fixed, so that the flexible plastic-woven catalytic structure material is obtained.
Experiments show that the flexible material is immersed in strong acid or strong alkali and undergoes hydrothermal reaction at high temperature and high pressure, so that the opening of the crystal structure defects on the surface of the flexible fiber material is realized; calcining in an atmosphere containing oxygen and ozone can enrich a large amount of oxygen-containing functional groups at crystal surface defects while opening surface crystal defect sites; the vacuum spraying technology can ensure that the catalytic active sites loaded on the crystal faces on the surface of the flexible carrier are full and uniformly distributed, and greatly strengthen the crystallization and crystal growth of the catalytic active components at the crystal defects on the surface of the flexible fiber material. Thereby realizing the compounding of the catalyst and the flexible material.
In some examples of this embodiment, the hydrothermal reaction is performed after the immersion for 0.5 to 3 hours. The acid solution or the alkali solution can be enabled to soak the flexible material, so that the crystal structure defects on the surface of the flexible material can be better opened.
In one or more embodiments, the temperature of the impregnation is 40 to 80 ℃.
In some examples of this embodiment, the concentration of the acid solution or the alkali solution is 4 to 19 mol/L.
In some examples of this embodiment, the conditions of the hydrothermal reaction are: the temperature is 300-400 ℃, the pressure is more than 0.3Gpa, and the reaction time is 10-15 hours.
In some examples of this embodiment, the volume fraction of oxygen is 80 to 100% and the volume fraction of ozone is 1 to 10%.
The atmosphere containing oxygen and ozone may be a mixed atmosphere of air and ozone, or may be a single atmosphere of oxygen or ozone.
In some examples of this embodiment, the calcination temperature of the system after the hydrothermal reaction is 600 to 900 ℃.
In some examples of this embodiment, the temperature increase rate of the calcination of the system after the hydrothermal reaction is 5 to 15 ℃/min.
In some examples of this embodiment, the system after the hydrothermal reaction is calcined, and then the temperature is maintained for 2 to 4 hours after the temperature is raised to the set temperature.
The vacuum spraying of the present invention is to spray catalytically active salt solution into the vacuum system while maintaining the flexible carrier in vacuum condition of-0.02 to-0.08 MPa.
In some embodiments of this embodiment, the calcination temperature of the catalytic material precursor is 500-550 ℃, and the total calcination time of the catalytic material precursor is 4-6 hours.
In some embodiments of this embodiment, the atmosphere of the calcination process of the catalytic material precursor is: firstly, calcining under the mixed atmosphere of hydrogen and inert gas, then calcining under the inert atmosphere, and finally calcining under the air atmosphere.
The inert gas is nitrogen, helium, argon and the like.
In one or more embodiments, the time ratio of the three stages in the calcination process of the catalytic material precursor is 1.6-2.5: 1: 2.6-3.5.
In one or more embodiments, the pressure range of the gas introduced during the calcination process of the catalytic material precursor is 1-6 MPa.
In another embodiment of the invention, a flexible, woven and plastic catalytic material is provided, which is obtained by the above-mentioned preparation method.
The third embodiment of the invention provides a method for preparing the flexible woven-plastic catalytic material for catalytic denitration, catalytic CO oxidation removal, catalytic VOC digestion and SO digestion2Adsorption, nitrogen oxide adsorption, and the like.
In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.
Example 1
A preparation method of a catalyst for CO-SCR denitration comprises the following steps:
rectangular aluminum silicate fiber corrugated paper is used as a flexible carrier, copper, iron and cerium are used as active component metal elements, and the mass ratio of copper nitrate to ferric nitrate to cerium nitrate is 1: 10: 10 nitrate mixed concentrated solution. The aluminum silicate fiber corrugated paper with the volume of 75mm x 30mm is put into 10mol/L KOH solution to be soaked for 0.5 hour. And then putting the impregnated aluminum silicate fiber corrugated paper and KOH solution thereof into a hydrothermal reaction kettle for high-temperature and high-pressure hydrothermal reaction at 350 ℃ and 0.4Gpa for 15 hours. Then calcining the aluminum silicate fiber corrugated paper after the hydrothermal reaction at 900 ℃ in an atmosphere containing 5% of ozone to obtain an aluminum silicate fiber corrugated paper flexible carrier, taking out the flexible carrier, placing the flexible carrier into a vacuum chamber, vacuumizing to-0.04 Mpa, and spraying an atomizing agent of a prepared nitrate mixed concentrated solution of copper, iron and cerium into the vacuum chamber. And finally, placing the aluminum silicate fiber corrugated paper flexible carrier in the vacuum chamber into a calcining furnace for calcining for 6 hours at 500 ℃. During the first 2 hours, firstly introducing hydrogen and argon mixed gas with the gas source pressure of 2Mpa and the hydrogen concentration range of 10 percent into the vacuum chamber; introducing high-purity nitrogen with the gas source pressure of 2Mpa for 1 hour into the vacuum chamber; finally, synthetic air with the air source pressure of 2Mpa is introduced into the vacuum chamber for 3 hours. Obtaining the flexible woven plastic denitration catalytic material for CO denitration.
The catalytic denitration performance of the obtained flexible woven-plastic denitration catalytic material for CO denitration is shown in figure 1. As can be seen from fig. 1, the denitration efficiency of the flexible woven-plastic denitration catalytic material prepared by the embodiment can reach more than 90% at a temperature of more than 180 ℃. When the denitration temperature reaches 230 ℃, the denitration efficiency approaches 100%.
Example 2
A preparation method of a catalyst for removing methyl violet dye comprises the following steps:
using long-strip resin fiber braided belt as flexible carrier, using titanium element as active component metal element, using butyl titanate as precursor, and adopting the following steps of4H9)4]：n[C2H5OH]：n[NH(CH2CH2OH)2]：n[H20]1: 23: 2.5: mixing 2/3 anhydrous ethanol, tetrabutyl titanate and diethanol amine according to a molar ratio of 10, and stirring for 2 hours. And adding the remaining 1/3 mixed solution of absolute ethyl alcohol and deionized water into the solution drop by drop, and continuing stirring for 1h to obtain a stable and clear sol solution. A certain volume of long-strip-shaped resin fiber woven belt is put into 10mol/L KOH solution to be soaked for 0.5 hour. And then putting the impregnated resin fiber woven belt and KOH solution thereof into a hydrothermal reaction kettle for high-temperature and high-pressure hydrothermal reaction, wherein the reaction temperature is 350 ℃, the reaction pressure is 0.4Gpa, and the reaction lasts for 15 hours. And then calcining the resin fiber woven belt subjected to the hydrothermal reaction at 900 ℃ in an atmosphere containing 5% of ozone to obtain a flexible carrier of the resin fiber woven belt, taking out the flexible carrier, placing the flexible carrier into a vacuum chamber, vacuumizing to-0.04 Mpa, and spraying a prepared titanium sol solution atomizing agent into the vacuum chamber. And finally, placing the resin fiber woven belt flexible carrier in the vacuum chamber into a calcining furnace for calcining for 6 hours at 500 ℃. During the first 2 hours, firstly introducing hydrogen and argon mixed gas with the gas source pressure of 2Mpa and the hydrogen concentration range of 10 percent into the vacuum chamber; introducing high-purity nitrogen with the gas source pressure of 2Mpa for 1 hour into the vacuum chamber; finally, synthetic air with the air source pressure of 2Mpa is introduced into the vacuum chamber for 3 hours. Obtaining the flexible woven plastic denitration catalytic material for removing the methyl violet dye.
Example 3
For SO2And a method for preparing a nitrogen oxide adsorbing catalyst, comprising the steps of:
multilayer aluminum silicate fiber cloth is used as a flexible carrier, an iron element is used as an active component metal element, a certain amount of ferric nitrate is dissolved in ethylene glycol monomethyl ether, a magnetic stirrer is used for fully mixing and stirring at room temperature, the solution is placed in a constant-temperature water bath, ethyl silicate is slowly dripped under stirring at 60 ℃, and uniform, stable and transparent brown sol is prepared. A certain volume of multi-layer aluminum silicate fiber cloth is put into a nitric acid solution of 15mol/L for soaking for 0.5 hour. And then putting the impregnated aluminum silicate fiber cloth and nitric acid solution thereof into a hydrothermal reaction kettle for high-temperature high-pressure hydrothermal reaction at 350 ℃ and 0.4Gpa for 15 hours. And then calcining the multi-layer aluminum silicate fiber cloth after the hydrothermal reaction at 900 ℃ in an atmosphere containing 5% of ozone to obtain a multi-layer aluminum silicate fiber cloth flexible carrier, taking out the flexible carrier, putting the flexible carrier into a vacuum chamber, vacuumizing to-0.04 MPa, and spraying a brown sol solution atomizing agent of an active component iron prepared in advance into the vacuum chamber. And finally, placing the aluminum silicate fiber cloth flexible carrier in the vacuum chamber into a calcining furnace for calcining for 6 hours at 500 ℃. During the first 2 hours, firstly introducing hydrogen and argon mixed gas with the gas source pressure of 2Mpa and the hydrogen concentration range of 10 percent into the vacuum chamber; introducing high-purity nitrogen with the gas source pressure of 2Mpa for 1 hour into the vacuum chamber; finally, synthetic air with the air source pressure of 2Mpa is introduced into the vacuum chamber for 3 hours. Obtained for SO2And a flexible woven-plastic denitration catalytic material adsorbed by nitrogen oxide.
Example 4
Referring to the method of example 1, only the active component metal elements are changed into copper and manganese, and the molar ratio of copper nitrate to manganese nitrate is set to be 1: 9 nitrate mixed concentrated solution. The better CO catalytic oxidation performance of the flexible woven plastic catalytic material can be realized.
Example 5
This example is the same as example 1, except that: the hydrothermal reaction is omitted. The obtained flexible woven-plastic catalytic material has extremely low catalytic performance, and the denitration efficiency of denitration at the temperature of below 240 ℃ is below 5%.
Example 6
This example is the same as example 1, except that: the atmosphere of calcination after the hydrothermal reaction is air. The obtained flexible woven-plastic catalytic material has extremely low catalytic performance, and the denitration efficiency of denitration at the temperature of below 240 ℃ is below 7 percent.
Example 7
This example is the same as example 1, except that: and (3) dipping the calcined aluminum silicate fiber corrugated paper into a nitrate mixed concentrated solution, and calcining the dipped aluminum silicate fiber corrugated paper. The obtained flexible woven-plastic catalytic material has extremely low catalytic performance, and the denitration efficiency of denitration at the temperature of below 240 ℃ is below 6 percent.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A preparation method of a flexible woven-plastic catalytic material is characterized in that the flexible material is soaked in an acid solution or an alkali solution for hydrothermal reaction, a system after the hydrothermal reaction is calcined in an atmosphere containing oxygen and ozone to obtain a flexible carrier, a catalytic active component salt solution is sprayed on the flexible carrier in vacuum to obtain a catalytic material precursor, and the catalytic material precursor is calcined to obtain the flexible woven-plastic catalytic material;
the flexible material is a flexible fiber material, and comprises one or more of fiber materials such as glass fiber, silicon oxide fiber, silicon carbide fiber, alumina silicate fiber, zirconia fiber, mullite fiber, quartz fiber and the like, or fiber paper, cloth and woven belts which are prepared by pulping, papermaking, spinning or weaving and other processes.
2. The process for preparing a flexible, moldable catalytic material of claim 1 wherein the hydrothermal reaction is carried out after 0.5 hours of immersion.
3. The process for preparing a flexible, woven, moldable catalytic material of claim 1 wherein the impregnation temperature is 40 to 80 ℃.
4. The method for preparing the flexible woven plastic catalytic material as claimed in claim 1, wherein the concentration of the acid solution or the alkali solution is 4 to 19 mol/L.
5. The process for preparing a flexible, woven, moldable catalytic material of claim 1, wherein the hydrothermal reaction conditions are: the temperature is more than 300-400 ℃, the pressure is more than 0.3Gpa, and the reaction time is 5 hours.
6. The method for preparing the flexible fabric-plastic catalytic material of claim 1, wherein the concentration of ozone is 1-10%.
7. The preparation method of the flexible woven plastic catalytic material as claimed in claim 1, wherein the calcination temperature of the system after the hydrothermal reaction is 600-900 ℃;
or the heating rate of the calcination of the system after the hydrothermal reaction is 5-15 ℃/min;
or during the calcination of the system after the hydrothermal reaction, heating to a set temperature, and then preserving the heat for 2-4 h.
8. The process for preparing a flexible, woven and moldable catalytic material according to claim 1, wherein the vacuum degree of the vacuum spraying is between-0.02 Mpa and-0.08 Mpa.
9. The preparation method of the flexible woven plastic catalytic material as claimed in claim 1, wherein the calcination temperature of the catalytic material precursor is 500-550 ℃, and the total calcination time of the catalytic material precursor is 4-6 h;
or the atmosphere of the calcination process of the catalytic material precursor is: firstly, calcining under the mixed atmosphere of hydrogen and inert gas, then calcining under the inert atmosphere, and finally calcining under the air atmosphere.
10. The method for preparing the flexible fabric-moldable catalytic material of claim 9, wherein the time ratio of the three stages in the calcination process of the catalytic material precursor is 1.6-2.5: 1: 2.6-3.5.
11. The method for preparing the flexible woven plastic catalytic material as claimed in claim 9, wherein the pressure range of the gas introduced during the calcination of the catalytic material precursor is 1-6 MPa.
12. A flexible, woven and moldable catalytic material, obtained by the process of any one of claims 1 to 11.
13. The flexible fabric-plastic catalytic material of claim 12 for catalytic denitration, catalytic CO oxidation removal, catalytic VOC digestion and SO removal2Adsorption or nitrogen oxide adsorption.
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