CN106747597A - A kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal - Google Patents
A kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal Download PDFInfo
- Publication number
- CN106747597A CN106747597A CN201611083264.3A CN201611083264A CN106747597A CN 106747597 A CN106747597 A CN 106747597A CN 201611083264 A CN201611083264 A CN 201611083264A CN 106747597 A CN106747597 A CN 106747597A
- Authority
- CN
- China
- Prior art keywords
- titanium oxide
- parts
- crystalline ceramics
- sewage disposal
- powder
- 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
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 80
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910002106 crystalline ceramic Inorganic materials 0.000 title claims abstract description 48
- 239000011222 crystalline ceramic Substances 0.000 title claims abstract description 48
- 239000010865 sewage Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000000919 ceramic Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 45
- 238000005245 sintering Methods 0.000 claims description 42
- 239000000725 suspension Substances 0.000 claims description 35
- 239000011159 matrix material Substances 0.000 claims description 31
- 125000002091 cationic group Chemical group 0.000 claims description 27
- 239000004094 surface-active agent Substances 0.000 claims description 27
- 238000010792 warming Methods 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 22
- 235000019198 oils Nutrition 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- XQSFXFQDJCDXDT-UHFFFAOYSA-N hydroxysilicon Chemical compound [Si]O XQSFXFQDJCDXDT-UHFFFAOYSA-N 0.000 claims description 21
- 239000012298 atmosphere Substances 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 12
- 239000012670 alkaline solution Substances 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000002562 thickening agent Substances 0.000 claims description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 7
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000001913 cellulose Substances 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002242 deionisation method Methods 0.000 claims description 7
- 235000011187 glycerol Nutrition 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 229920002401 polyacrylamide Polymers 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 7
- 235000011152 sodium sulphate Nutrition 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000003643 water by type Substances 0.000 claims description 7
- 238000009775 high-speed stirring Methods 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 229920000609 methyl cellulose Polymers 0.000 claims description 4
- 239000001923 methylcellulose Substances 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 4
- CQPFMGBJSMSXLP-UHFFFAOYSA-M acid orange 7 Chemical group [Na+].OC1=CC=C2C=CC=CC2=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 CQPFMGBJSMSXLP-UHFFFAOYSA-M 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229920001353 Dextrin Polymers 0.000 claims description 2
- 239000004375 Dextrin Substances 0.000 claims description 2
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 235000019425 dextrin Nutrition 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 150000002926 oxygen Chemical class 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000003549 soybean oil Substances 0.000 claims description 2
- 235000012424 soybean oil Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000002383 tung oil Substances 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- BKEOXUSOEGMVTL-UHFFFAOYSA-N trimethyl-$l^{3}-bromane Chemical compound CBr(C)C BKEOXUSOEGMVTL-UHFFFAOYSA-N 0.000 claims 1
- 239000001993 wax Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000011941 photocatalyst Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000593 degrading effect Effects 0.000 abstract description 3
- 239000005416 organic matter Substances 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 21
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 239000012188 paraffin wax Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000001045 blue dye Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002563 ionic surfactant Substances 0.000 description 3
- 229960000907 methylthioninium chloride Drugs 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000002070 nanowire Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 150000001768 cations Chemical group 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/068—Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C04B35/10—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 aluminium oxide
-
- 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
- C04B35/64—Burning or sintering processes
-
- 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
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5041—Titanium oxide or titanates
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
- C04B2235/3246—Stabilised zirconias, e.g. YSZ or cerium stabilised zirconia
-
- 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
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- 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
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- 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
- C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
-
- 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
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The present invention relates to a kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal, belong to material for water treatment technical field.Lighttight shortcoming of the present invention for common ceramic filter, propose the crystalline ceramics that a kind of surface is covered with titanium oxide, the material has the rigidity of ceramics and the characteristic of filtering material simultaneously, also there is translucency, the titania meterial that can be covered by outside visible light-initiated surface has the effect of photocatalyst for degrading organic matter so that the material is provided with the multiple advantage of filtering, printing opacity, photocatalytic degradation simultaneously.
Description
Technical field
The present invention relates to a kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal, belong to water process
Field of material technology.
Background technology
In 21 century, energy and environment problem has become the theme of World Focusing, how to reduce pollution, and protecting ecology is put down
Weighing apparatus, solves environmental issue, has caused the great attention of each government decision department and academic research department.Water and air is used as people
The most valuable resource of class, with the quickening of industrial process, substantial amounts of waste water, waste gas are discharged into wherein, therein poisonous to organise
Compound can be enriched with human body, and grave danger is carried out to health care belt.And in these compounds, have part of compounds with usual
Processing method is difficult to be degraded.TiO2 monocrystalline is found from Japanese scholars Teng Island (Fujishima) in 1972 and Honda (Honda)
Since energy photoelectrocatalysis decomposition water, photocatalytic redox technology is opened in sewage disposal, purification of air, antibacterial sterilization, solar energy
The aspects such as hair have broad application prospects, and by the extensive concern of countries in the world, and are developed rapidly.Numerous studies are demonstrate,proved
It is real：Many difficult degradations such as dyestuff, surfactant, organohalogen compounds, agricultural chemicals, oils, cyanide are difficult to other methods
The organic pollution for removing can effectively be degraded by photocatalysis oxidation reaction, be decolourized, detoxification, and final permineralization is
CO2、H2O and other inorganic molecules materials, reach completely inorganization purpose, so as to eliminate the pollution to environment.
CN102500363A discloses a kind of noble metal orientation load titanium dioxide photocatalyst and preparation method thereof.Dioxy
Change titanium carrier is Rutile Type structure, and with uniform spherical morphology, its microsphere diameter is about 10~16 μm, and surface is in cracking
Shape, is self-assembly of by the nano wire of a length of 5~8 μm, a diameter of 3~6nm, and the exposed surface of nano wire is（110）Crystal face.It is expensive
Metal is one or more in platinum, gold, ruthenium, rhodium, silver, palladium, and load capacity is the 0~3% of TiO 2 carrying weight, noble metal
Exist with zeroth order simple substance form, granular size is 2~10nm, and orientated deposition is in titanium dioxide nano thread（110）On crystal face.
CN101721988A is related to a kind of photochemical catalyst for processing methylene blue dye wastewater field.For methylene blue dye wastewater
The photochemical catalyst for the treatment of, it is characterised in that the main active in the catalyst is titanium dioxide, its space pattern is nanometer
Tubular state, on titanium plate matrix, caliber is about 60~90nm to vertical-growth, and wall thickness is averagely about 25nm.Methylene blue dye
The preparation method of the catalyst of wastewater treatment is anodizing, and after reaction terminates, sample is cleaned with distilled water, is placed in air
Dry, dried sample is calcined in atmosphere in being put into tube type resistance furnace.
But above-mentioned photocatalytic particle material carries out independent step operation in needing to be placed on water, causes in actual water process
During, unit operation is increased, improve running cost.
The content of the invention
The purpose of the present invention is：For the lighttight shortcoming of common ceramic filter, it is proposed that a kind of surface is covered with
The crystalline ceramics of titanium oxide, the material has the rigidity of ceramics and the characteristic of filtering material simultaneously, also with translucency, can be with
The titania meterial covered by outside visible light-initiated surface has the effect of photocatalyst for degrading organic matter so that the material
The multiple advantage of filtering, printing opacity, photocatalytic degradation is provided with simultaneously.
Technical scheme is：
A kind of crystalline ceramics for covering titanium oxide for being applied to sewage disposal, includes porous ceramic matrices suitable, and be coated on porous
The titanium oxide layer of ceramic matrix internal channel surfaces.
The porosity ranges of described porous ceramic matrices suitable are 30~50%.
The material of described porous ceramic matrices suitable is the mixture of aluminum oxide and zirconium oxide.
A kind of preparation method of the crystalline ceramics for covering titanium oxide for being applied to sewage disposal, comprises the following steps：
1st step, by weight, take 80~85 parts of high purity alumina powder, 5~10 parts of high-purity zirconia powder, thickener 6~
8 parts, 8~12 parts of pore creating material, 3~6 parts of binding agent, 4~7 parts of lubricant, 20~35 parts of water, be well mixed after, carry out ball milling, will
Material after ball milling is compressed to base substrate；
2nd step, first sintering is carried out by base substrate, and sintering parameter is：Sinter in air atmosphere, first with the liter of 5~8 DEG C/min
Warm speed is warming up to 800~950 DEG C, then keeps 2~4h；
3rd step, then base substrate is carried out into second sintering, sintering parameter is：Sinter under vacuum, first with 3~5 DEG C/min's
Programming rate is warming up to 1350~1450 DEG C, then keeps 1~3h, obtains porous crystalline ceramics matrix；
4th step, by weight, by 30~35 parts of butyl titanate, 5~10 parts of sodium sulphate and 300~340 parts of deionized waters
Mixing, then it is warming up to 75~85 DEG C, aqueous sulfuric acid regulation pH 4~6 is added dropwise, hydroxyl silicon is added after being cooled to 30~35 DEG C
35~50 parts of oil, stirring reaction after solids is leached, is cleaned with ethanol, deionization successively, obtains hydroxyl silicon oil modified oxygen
Change nano-ti powder body；
5th step, prepares the suspension containing 1~10wt% hydroxyl silicon oil modified nano titanium oxide powder, then add in suspension
Enter cationic surface active agent, the addition weight of cationic surface active agent is the 1~5% of suspension weight, high-speed stirring
Mix, obtain the nano titanium oxide powder suspension of cationic surface active agent modification；
6th step, prepares alkaline solutions of the pH 12~14, by the internal holes of the excessively porous crystalline ceramics matrix of alkaline solution pressurized stream
Road, and keep flowing at least more than 10min；
7th step, the excessively porous crystalline ceramics of nano titanium oxide powder suspension pressurized stream that cationic surface active agent is modified
The internal gutter of matrix, and keep flowing at least more than 20min；
8th step, after the porous crystalline ceramics matrix that the 7th step is obtained takes out, sinters in air atmosphere, obtains covering titanium oxide
Transparent ceramic material.
In the 1st described step, the purity of high purity alumina powder and high-purity zirconia powder will be more than 99.95%.
In the 1st described step, the average particle size range of described high purity alumina powder is 100~500 μm；Pure zirconia high
The average particle size range of zirconium powder body is 50~200 μm.
In the 1st described step, described thickener is preferably the one kind in polyvinyl alcohol, polyethylene glycol, methylcellulose
Or several mixtures.
In the 1st described step, described pore creating material is one or more in activated carbon powder, starch or cellulose family
Combination.
In the 1st described step, the binding agent is one or more the group in paraffin, dextrin or cellulose family
Close.
In the 1st described step, lubricant is the grease types such as glycerine, tung oil, soybean oil.
In the 4th described step, the stirring reaction time is 1~2h.
In the 5th described step, cationic surface active agent is polyethyleneimine, polyacrylamide, dodecyl front three
The base ammonium bromide mixture of one or more therein.
In the 6th described step, alkaline solution refers to NaOH the or KOH aqueous solution.
In the 8th described step, sintering procedure is：650~800 DEG C are being warming up to the programming rate of 3~5 DEG C/min, are being protected
Hold natural cooling after 2~4h.
Beneficial effect
Lighttight shortcoming of the present invention for common ceramic filter, it is proposed that a kind of surface is covered with the transparent pottery of titanium oxide
Porcelain, the material has the rigidity of ceramics and the characteristic of filtering material simultaneously, also with translucency, can be by outside visible ray
The titania meterial for triggering surface to cover has the effect of photocatalyst for degrading organic matter so that the material was provided with simultaneously
Filter, printing opacity, the multiple advantage of photocatalytic degradation.
In its preparation method, aggregate is used as by aluminum oxide first, using zirconium oxide as sintering aid, in order to ensure to prepare
Obtain transparent ceramic material, the material of aluminum oxide and zirconium oxide must be high-purity quality, preferably more than 99.95% purity.Pass through
Base substrate first is prepared into auxiliary agent, then is sintered in air atmosphere, aluminum oxide is formed the ceramic structure of stabilization, then in vacuum condition
Lower high temperature sintering, formation makes ceramic transparence, forms porous crystalline ceramics；On this basis, the preparation of titan oxide particles is carried out,
By by titan oxide particles by hydroxy silicon oil it is modified after, particle is formed preferably with cationic surfactant
Bonding, makes the area load positive charge of titanium oxide, in addition, crossing porous ceramics internal holes by the liquid flow overvoltage of pH alkalescence again
Road, makes the ceramics of internal gutter take negative electrical charge under mobilization, and the titan oxide particles that will be modified with negative electrical charge are formulated as water
After solution, after again passing through porous ceramics duct, can make to form porous by titan oxide particles uniform fold inside crystalline ceramics
Also titanium oxide active layer is covered with the inner duct of crystalline ceramics, it is achieved thereby that porous, loading titanium oxide ceramic filter material.
Specific embodiment
Embodiment 1
1st step, by weight, takes the alumina powder of purity more than 99.95%（Average particle size range is 100 μm）80 parts, it is pure
5 parts of Zirconium powder (average particle size range is 50 μm), 6 parts of thickener polyethylene glycol, the pore creating material methyl of degree more than 99.95%
8 parts of cellulose, 3 parts of binding agent paraffin, 4 parts of lubricant glycerine, 20 parts of water, after being well mixed, carry out ball milling, by the thing after ball milling
Material is compressed to base substrate；
2nd step, first sintering is carried out by base substrate, and sintering parameter is：Sinter in air atmosphere, first with the intensification of 5 DEG C/min
Speed is warming up to 800 DEG C, then keeps 2h；
3rd step, then base substrate is carried out into second sintering, sintering parameter is：Sinter under vacuum, first with the liter of 3 DEG C/min
Warm speed is warming up to 1350 DEG C, then keeps 1h, obtains porous crystalline ceramics matrix；
4th step, by weight, 30 parts of butyl titanate, 5 parts of sodium sulphate and 300 parts of deionized waters is mixed, then be warming up to
75 DEG C, aqueous sulfuric acid regulation pH 4 is added dropwise, 35 parts of hydroxy silicon oil, stirring reaction 1h, by solid are added after being cooled to 30 DEG C
After thing is leached, cleaned with ethanol, deionization successively, obtain hydroxyl silicon oil modified nano titanium oxide powder；
5th step, prepares the suspension containing 1wt% hydroxyl silicon oil modified nano titanium oxide powder, then sun is added in suspension
Ionic surfactant polyacrylamide, the addition weight of cationic surface active agent is the 1% of suspension weight, at a high speed
Stirring, obtains the nano titanium oxide powder suspension of cationic surface active agent modification；
6th step, prepares the NaOH aqueous solution of the pH 12, by the internal holes of the excessively porous crystalline ceramics matrix of alkaline solution pressurized stream
Road, and keep flowing at least 20min；
7th step, the excessively porous crystalline ceramics of nano titanium oxide powder suspension pressurized stream that cationic surface active agent is modified
The internal gutter of matrix, and keep flowing 40min；
8th step, after the porous crystalline ceramics matrix that the 7th step is obtained takes out, sintering sintering procedure is in air atmosphere：With
The programming rate of 3 DEG C/min is warming up to 650 DEG C, keep natural cooling after 2h, and it is 30% to cover titanium oxide to obtain porosity ranges
Transparent ceramic material.
Embodiment 2
1st step, by weight, takes the alumina powder of purity more than 99.95%（Average particle size range is 500 μm）85 parts, it is pure
10 parts of Zirconium powder (average particle size range is 200 μm), 8 parts of thickener polyethylene glycol, the pore creating material first of degree more than 99.95%
12 parts of base cellulose, 6 parts of binding agent paraffin, 7 parts of lubricant glycerine, 35 parts of water, after being well mixed, carry out ball milling, after ball milling
Material be compressed to base substrate；
2nd step, first sintering is carried out by base substrate, and sintering parameter is：Sinter in air atmosphere, first with the intensification of 8 DEG C/min
Speed is warming up to 950 DEG C, then keeps 4h；
3rd step, then base substrate is carried out into second sintering, sintering parameter is：Sinter under vacuum, first with the liter of 5 DEG C/min
Warm speed is warming up to 1450 DEG C, then keeps 3h, obtains porous crystalline ceramics matrix；
4th step, by weight, 35 parts of butyl titanate, 10 parts of sodium sulphate and 340 parts of deionized waters is mixed, then heat up
To 85 DEG C, aqueous sulfuric acid regulation pH6 is added dropwise, 50 parts of hydroxy silicon oil, stirring reaction 2h, by solid are added after being cooled to 35 DEG C
After thing is leached, cleaned with ethanol, deionization successively, obtain hydroxyl silicon oil modified nano titanium oxide powder；
5th step, prepares the suspension containing 10wt% hydroxyl silicon oil modified nano titanium oxide powder, then added in suspension
Cationic surface active agent polyacrylamide, the addition weight of cationic surface active agent is the 5% of suspension weight, high
Speed stirring, obtains the nano titanium oxide powder suspension of cationic surface active agent modification；
6th step, prepares the NaOH aqueous solution of the pH 14, by the internal holes of the excessively porous crystalline ceramics matrix of alkaline solution pressurized stream
Road, and keep flowing 10min；
7th step, the excessively porous crystalline ceramics of nano titanium oxide powder suspension pressurized stream that cationic surface active agent is modified
The internal gutter of matrix, and keep flowing 20min；
8th step, after the porous crystalline ceramics matrix that the 7th step is obtained takes out, sintering sintering procedure is in air atmosphere：With
The programming rate of 5 DEG C/min is warming up to 800 DEG C, keep natural cooling after 4h, and it is 50% to cover the transparent of titanium oxide to obtain porosity
Ceramic material.
Embodiment 3
1st step, by weight, takes the alumina powder of purity more than 99.95%（Average particle size range is 200 μm）82 parts, it is pure
8 parts of Zirconium powder (average particle size range is 100 μm), 7 parts of thickener polyethylene glycol, the pore creating material methyl of degree more than 99.95%
10 parts of cellulose, 5 parts of binding agent paraffin, 5 parts of lubricant glycerine, 25 parts of water, after being well mixed, carry out ball milling, after ball milling
Material is compressed to base substrate；
2nd step, first sintering is carried out by base substrate, and sintering parameter is：Sinter in air atmosphere, first with the intensification of 6 DEG C/min
Speed is warming up to 900 DEG C, then keeps 3h；
3rd step, then base substrate is carried out into second sintering, sintering parameter is：Sinter under vacuum, first with the liter of 4 DEG C/min
Warm speed is warming up to 1380 DEG C, then keeps 2h, obtains porous crystalline ceramics matrix；
4th step, by weight, 32 parts of butyl titanate, 8 parts of sodium sulphate and 320 parts of deionized waters is mixed, then be warming up to
78 DEG C, aqueous sulfuric acid regulation pH 5 is added dropwise, 38 parts of hydroxy silicon oil, stirring reaction 1h, by solid are added after being cooled to 32 DEG C
After thing is leached, cleaned with ethanol, deionization successively, obtain hydroxyl silicon oil modified nano titanium oxide powder；
5th step, prepares the suspension containing 5wt% hydroxyl silicon oil modified nano titanium oxide powder, then sun is added in suspension
Ionic surfactant polyacrylamide, the addition weight of cationic surface active agent is the 3% of suspension weight, at a high speed
Stirring, obtains the nano titanium oxide powder suspension of cationic surface active agent modification；
6th step, prepares the NaOH aqueous solution of the pH 13, by the internal holes of the excessively porous crystalline ceramics matrix of alkaline solution pressurized stream
Road, and keep flowing 20min；
7th step, the excessively porous crystalline ceramics of nano titanium oxide powder suspension pressurized stream that cationic surface active agent is modified
The internal gutter of matrix, and keep flowing 40min；
8th step, after the porous crystalline ceramics matrix that the 7th step is obtained takes out, sintering sintering procedure is in air atmosphere：With
The programming rate of 4 DEG C/min is warming up to 680 DEG C, keep natural cooling after 3h, and it is 40% to cover the transparent of titanium oxide to obtain porosity
Ceramic material.
Reference examples 1
Difference with embodiment 3 is：It is provided without pH alkalies and flows through operation inside porous ceramic matrices suitable.
1st step, by weight, takes the alumina powder of purity more than 99.95%（Average particle size range is 200 μm）82
Part, 8 parts of the Zirconium powder (average particle size range is 100 μm) of purity more than 99.95%, 7 parts of thickener polyethylene glycol, pore-creating
10 parts of agent methylcellulose, 5 parts of binding agent paraffin, 5 parts of lubricant glycerine, 25 parts of water, after being well mixed, carry out ball milling, by ball
Material after mill is compressed to base substrate；
2nd step, first sintering is carried out by base substrate, and sintering parameter is：Sinter in air atmosphere, first with the intensification of 6 DEG C/min
Speed is warming up to 900 DEG C, then keeps 3h；
3rd step, then base substrate is carried out into second sintering, sintering parameter is：Sinter under vacuum, first with the liter of 4 DEG C/min
Warm speed is warming up to 1380 DEG C, then keeps 2h, obtains porous crystalline ceramics matrix；
4th step, by weight, 32 parts of butyl titanate, 8 parts of sodium sulphate and 320 parts of deionized waters is mixed, then be warming up to
78 DEG C, aqueous sulfuric acid regulation pH 5 is added dropwise, 38 parts of hydroxy silicon oil, stirring reaction 1h, by solid are added after being cooled to 32 DEG C
After thing is leached, cleaned with ethanol, deionization successively, obtain hydroxyl silicon oil modified nano titanium oxide powder；
5th step, prepares the suspension containing 5wt% hydroxyl silicon oil modified nano titanium oxide powder, then sun is added in suspension
Ionic surfactant polyacrylamide, the addition weight of cationic surface active agent is the 3% of suspension weight, at a high speed
Stirring, obtains the nano titanium oxide powder suspension of cationic surface active agent modification；
6th step, prepares the NaOH aqueous solution of the pH 13, by the internal holes of the excessively porous crystalline ceramics matrix of alkaline solution pressurized stream
Road, and keep flowing 20min；
7th step, the excessively porous crystalline ceramics of nano titanium oxide powder suspension pressurized stream that cationic surface active agent is modified
The internal gutter of matrix, and keep flowing 40min；
8th step, after the porous crystalline ceramics matrix that the 7th step is obtained takes out, sintering sintering procedure is in air atmosphere：With
The programming rate of 4 DEG C/min is warming up to 680 DEG C, keep natural cooling after 3h, and it is 40% to cover the transparent of titanium oxide to obtain porosity
Ceramic material.
Reference examples 2
Difference with embodiment 3 is：Nano titanium oxide powder is not by hydroxyl silicon oil modified.
1st step, by weight, takes the alumina powder of purity more than 99.95%（Average particle size range is 200 μm）82
Part, 8 parts of the Zirconium powder (average particle size range is 100 μm) of purity more than 99.95%, 7 parts of thickener polyethylene glycol, pore-creating
10 parts of agent methylcellulose, 5 parts of binding agent paraffin, 5 parts of lubricant glycerine, 25 parts of water, after being well mixed, carry out ball milling, by ball
Material after mill is compressed to base substrate；
2nd step, first sintering is carried out by base substrate, and sintering parameter is：Sinter in air atmosphere, first with the intensification of 6 DEG C/min
Speed is warming up to 900 DEG C, then keeps 3h；
3rd step, then base substrate is carried out into second sintering, sintering parameter is：Sinter under vacuum, first with the liter of 4 DEG C/min
Warm speed is warming up to 1380 DEG C, then keeps 2h, obtains porous crystalline ceramics matrix；
4th step, by weight, 32 parts of butyl titanate, 8 parts of sodium sulphate and 320 parts of deionized waters is mixed, then be warming up to
78 DEG C, be added dropwise aqueous sulfuric acid regulation pH 5, stirring reaction 1h after being cooled to 32 DEG C, after solids is leached, successively with ethanol,
Deionization is cleaned, and obtains modified nano titanium oxide powder；
5th step, prepares the suspension of the nano titanium oxide powder being modified containing 5wt%, then cationic table is added in suspension
Face activating agent polyacrylamide, the addition weight of cationic surface active agent is the 3% of suspension weight, and high-speed stirred is obtained
The nano titanium oxide powder suspension of cationic surface active agent modification；
6th step, prepares the NaOH aqueous solution of the pH 13, by the internal holes of the excessively porous crystalline ceramics matrix of alkaline solution pressurized stream
Road, and keep flowing 20min；
7th step, the excessively porous crystalline ceramics of nano titanium oxide powder suspension pressurized stream that cationic surface active agent is modified
The internal gutter of matrix, and keep flowing 40min；
8th step, after the porous crystalline ceramics matrix that the 7th step is obtained takes out, sintering sintering procedure is in air atmosphere：With
The programming rate of 4 DEG C/min is warming up to 680 DEG C, keep natural cooling after 3h, and it is 40% to cover the transparent of titanium oxide to obtain porosity
Ceramic material.
The porous ceramic film material of 10cm long 5cm thickness 0.5cm wide is prepared by above-mentioned method, is determined using GB 5433-1985
Light transmittance, also measured were 3 rupture strengths and pure water flux, if as follows in addition：
As can be seen from the above table, the porous ceramics for covering oxidation titanium film that the present invention is prepared has preferable light transmittance, can
To reach more than 50% translucent effect；Also there is the rupture strength of porous ceramics simultaneously.
It is the acid orange solution of 15ppm to prepare 2000ml concentration, and solution is pressed in into above-mentioned porous ceramics material by charging pump
The side of material, opposite side penetrating fluid is back to feed liquid side, while carrying out ultraviolet light, terminates by sampling after 12h.With ultraviolet
The instant concentration of visible absorbance spectrophotometric determination acid orange solution.
It is as follows that various sample finally determines the degradation rate for obtaining：
As can be seen from the above table, porous ceramic film material of the invention has filtering, photocatalytic degradation effect simultaneously, it is possible to achieve
The photocatalytic degradation of organic wastewater.Embodiment 3 flows through porous ceramics for reference examples 1 due to being provided without pH alkalies
Intrinsic silicon, causes titan oxide particles to be preferably attached to porous ceramics channel inner surface so that under photochemical catalyst effect
Drop.And embodiment 3 is for reference examples 2, because titan oxide particles are without the modified of hydroxy silicon oil so that cation form
Face activating agent can not be modified preferably in titan oxide particles surface so that when porous channel is flowed through, it is impossible to be preferably coated on
Inside duct, decline titanium oxide photochemical catalyst effect.
Claims (10)
1. a kind of crystalline ceramics for covering titanium oxide for being applied to sewage disposal, includes porous ceramic matrices suitable, and be coated on many
The titanium oxide layer of hole ceramic matrix internal channel surfaces.
2. the crystalline ceramics for covering titanium oxide for being applied to sewage disposal according to claim 1, it is characterised in that described
The porosity ranges of porous ceramic matrices suitable are 30~50%；The material of described porous ceramic matrices suitable is aluminum oxide and zirconium oxide
Mixture.
3. the preparation method of the crystalline ceramics for covering titanium oxide for being applied to sewage disposal described in claim 1, it is characterised in that
Comprise the following steps：
1st step, by weight, take 80~85 parts of high purity alumina powder, 5~10 parts of high-purity zirconia powder, thickener 6~
8 parts, 8~12 parts of pore creating material, 3~6 parts of binding agent, 4~7 parts of lubricant, 20~35 parts of water, be well mixed after, carry out ball milling, will
Material after ball milling is compressed to base substrate；
2nd step, first sintering is carried out by base substrate, and sintering parameter is：Sinter in air atmosphere, first with the liter of 5~8 DEG C/min
Warm speed is warming up to 800~950 DEG C, then keeps 2~4h；
3rd step, then base substrate is carried out into second sintering, sintering parameter is：Sinter under vacuum, first with 3~5 DEG C/min's
Programming rate is warming up to 1350~1450 DEG C, then keeps 1~3h, obtains porous crystalline ceramics matrix；
4th step, by weight, by 30~35 parts of butyl titanate, 5~10 parts of sodium sulphate and 300~340 parts of deionized waters
Mixing, then it is warming up to 75~85 DEG C, aqueous sulfuric acid regulation pH 4~6 is added dropwise, hydroxyl silicon is added after being cooled to 30~35 DEG C
35~50 parts of oil, stirring reaction after solids is leached, is cleaned with ethanol, deionization successively, obtains hydroxyl silicon oil modified oxygen
Change nano-ti powder body；
5th step, prepares the suspension containing 1~10wt% hydroxyl silicon oil modified nano titanium oxide powder, then add in suspension
Enter cationic surface active agent, the addition weight of cationic surface active agent is the 1~5% of suspension weight, high-speed stirring
Mix, obtain the nano titanium oxide powder suspension of cationic surface active agent modification；
6th step, prepares alkaline solutions of the pH 12~14, by the internal holes of the excessively porous crystalline ceramics matrix of alkaline solution pressurized stream
Road, and keep flowing at least more than 10min；
7th step, the excessively porous crystalline ceramics of nano titanium oxide powder suspension pressurized stream that cationic surface active agent is modified
The internal gutter of matrix, and keep flowing at least more than 20min；
8th step, after the porous crystalline ceramics matrix that the 7th step is obtained takes out, sinters in air atmosphere, obtains covering titanium oxide
Transparent ceramic material.
4. the preparation method of the crystalline ceramics for covering titanium oxide for being applied to sewage disposal according to claim 1, its feature
It is that in the 1st described step, the purity of high purity alumina powder and high-purity zirconia powder will be more than 99.95%；It is described
The average particle size range of high purity alumina powder be 100~500 μm；The average particle size range of high-purity zirconia powder is 50~
200μm；Described thickener is preferably one or several the mixture in polyvinyl alcohol, polyethylene glycol, methylcellulose；
Described pore creating material is one or more the combination in activated carbon powder, starch or cellulose family；The binding agent is stone
One or more combination in wax, dextrin or cellulose family；Lubricant is the grease types such as glycerine, tung oil, soybean oil.
5. the preparation method of the crystalline ceramics for covering titanium oxide for being applied to sewage disposal according to claim 1, its feature
It is that in the 4th described step, the stirring reaction time is 1~2h.
6. the preparation method of the crystalline ceramics for covering titanium oxide for being applied to sewage disposal according to claim 1, its feature
It is that in the 5th described step, cationic surface active agent is polyethyleneimine, polyacrylamide, trimethyl bromine
Change the ammonium mixture of one or more therein.
7. the preparation method of the crystalline ceramics for covering titanium oxide for being applied to sewage disposal according to claim 1, its feature
It is that in the 6th described step, alkaline solution refers to NaOH the or KOH aqueous solution.
8. the preparation method of the crystalline ceramics for covering titanium oxide for being applied to sewage disposal according to claim 1, its feature
It is that in the 8th described step, sintering procedure is：650~800 DEG C are being warming up to the programming rate of 3~5 DEG C/min, 2 are being kept
Natural cooling after~4h.
9. the crystalline ceramics for covering titanium oxide for being applied to sewage disposal described in claim 1 is in photocatalytic degradation organic wastewater
Application.
10. application according to claim 9, photocatalytic degradation refers to ultraviolet catalytic；Organic wastewater is acid orange solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083264.3A CN106747597A (en) | 2016-11-30 | 2016-11-30 | A kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083264.3A CN106747597A (en) | 2016-11-30 | 2016-11-30 | A kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106747597A true CN106747597A (en) | 2017-05-31 |
Family
ID=58898293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611083264.3A Pending CN106747597A (en) | 2016-11-30 | 2016-11-30 | A kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106747597A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998905A (en) * | 2017-12-20 | 2018-05-08 | 宋永秀 | A kind of preparation method of the good small aperture ceramic film of surface integrity |
| CN114573321A (en) * | 2022-03-21 | 2022-06-03 | 安徽紫朔环境工程技术有限公司 | Preparation method of catalytic ceramic filter tube based on 3D printing technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603691Y (en) * | 2003-03-11 | 2004-02-18 | 武汉理工大学 | Photocatalysis nanometer coating porous ceramics purifying means |
| CN1559671A (en) * | 2004-03-08 | 2005-01-05 | 初景涛 | Manufacturing method of porous titanium dioxide |
| CN101497003A (en) * | 2009-01-24 | 2009-08-05 | 大连理工大学 | Multifunctional photocatalysis composite ceramic separation membrane as well as preparation method and use thereof |
| CN102010025A (en) * | 2010-10-15 | 2011-04-13 | 华南农业大学 | Photocatalysis degradation sewage device and sewage degradation method |
| CN103611518A (en) * | 2013-12-06 | 2014-03-05 | 黑龙江大学 | Preparation method of sequential black mesoporous titanium dioxide visible light catalyst film |
-
2016
- 2016-11-30 CN CN201611083264.3A patent/CN106747597A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603691Y (en) * | 2003-03-11 | 2004-02-18 | 武汉理工大学 | Photocatalysis nanometer coating porous ceramics purifying means |
| CN1559671A (en) * | 2004-03-08 | 2005-01-05 | 初景涛 | Manufacturing method of porous titanium dioxide |
| CN101497003A (en) * | 2009-01-24 | 2009-08-05 | 大连理工大学 | Multifunctional photocatalysis composite ceramic separation membrane as well as preparation method and use thereof |
| CN102010025A (en) * | 2010-10-15 | 2011-04-13 | 华南农业大学 | Photocatalysis degradation sewage device and sewage degradation method |
| CN103611518A (en) * | 2013-12-06 | 2014-03-05 | 黑龙江大学 | Preparation method of sequential black mesoporous titanium dioxide visible light catalyst film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998905A (en) * | 2017-12-20 | 2018-05-08 | 宋永秀 | A kind of preparation method of the good small aperture ceramic film of surface integrity |
| CN107998905B (en) * | 2017-12-20 | 2020-11-13 | 绍兴凯达纺织装饰品有限公司 | Method for repairing macropores or cracks on surface of ceramic membrane |
| CN114573321A (en) * | 2022-03-21 | 2022-06-03 | 安徽紫朔环境工程技术有限公司 | Preparation method of catalytic ceramic filter tube based on 3D printing technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Bioinspired synthesis of photocatalytic nanocomposite membranes based on synergy of Au-TiO2 and polydopamine for degradation of tetracycline under visible light | |
| Mondal et al. | Recent advances in the synthesis and application of photocatalytic metal–metal oxide core–shell nanoparticles for environmental remediation and their recycling process | |
| Yan et al. | Photocatalytic nanocomposite membranes for high-efficiency degradation of tetracycline under visible light: An imitated core-shell Au-TiO2-based design | |
| Rajput et al. | A review on TiO2/SnO2 heterostructures as a photocatalyst for the degradation of dyes and organic pollutants | |
| Zhou et al. | Enhanced photocatalytic activity of flowerlike Cu2O/Cu prepared using solvent-thermal route | |
| CN1951557A (en) | Hydrothermal method for preparing superstructure visible light responsive Bi2WO6 photcatalyst | |
| CN104785126B (en) | Attapulgite/titanium oxide nano-composite ceramic microfiltration membrane with photocatalytic property and preparation method thereof | |
| Sun et al. | Photocatalyst of organic pollutants decomposition: TiO2/glass fiber cloth composites | |
| Niyati et al. | Solar-Assisted photocatalytic elimination of Azo dye effluent using plasmonic AgCl anchored flower-like Bi4O5I2 as staggered nano-sized photocatalyst designed via sono-precipitation method | |
| CN106902645B (en) | A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance | |
| Ali et al. | Solid-supported photocatalysts for wastewater treatment: Supports contribution in the photocatalysis process | |
| Coto et al. | Development and assessment of photo-catalytic membranes for water purification using solar radiation | |
| CN108178619A (en) | A kind of porous adsorption filtration ceramics and preparation method with photocatalytic activity | |
| CN104056611B (en) | One prepares nano-TiO2Method | |
| Zhang et al. | The removal of sodium dodecylbenzene sulfonate surfactant from water using silica/titania nanorods/nanotubes composite membrane with photocatalytic capability | |
| Alshaikh et al. | Templated synthesis of CuCo2O4-modified g-C3N4 heterojunctions for enhanced photoreduction of Hg2+ under visible light | |
| Qu et al. | Synthesis and characterization of TiO 2/WO 3 composite nanotubes for photocatalytic applications | |
| Chang et al. | Hierarchical TiO 2 nanonetwork–porous Ti 3D hybrid photocatalysts for continuous-flow photoelectrodegradation of organic pollutants | |
| Deng et al. | Nanohybrid photocatalysts for heavy metal pollutant control | |
| CN107008240A (en) | Nano crystal titanium dioxide light catalyst of aluminum oxide open celled foam ceramic load Si doping and preparation method thereof | |
| Son et al. | Fly ash-, foundry sand-, clay-, and pumice-based metal oxide nanocomposites as green photocatalysts | |
| Meda et al. | Titanium dioxide based heterogeneous and heterojunction photocatalysts for pollution control applications in the construction industry | |
| CN106747597A (en) | A kind of crystalline ceramics and preparation method for covering titanium oxide for being applied to sewage disposal | |
| CN107200350A (en) | TiO is prepared by template of corn stigma2The method of nano-tube array catalysis material | |
| CN103230802A (en) | Preparation method of composite photocatalyst with visible light response and arsenic removing method |
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: 20170531 |
|
| WD01 | Invention patent application deemed withdrawn after publication |