CN106984330A - The preparation method of ozone Heterogeneous oxidation solid catalyst - Google Patents
The preparation method of ozone Heterogeneous oxidation solid catalyst Download PDFInfo
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- CN106984330A CN106984330A CN201710275759.4A CN201710275759A CN106984330A CN 106984330 A CN106984330 A CN 106984330A CN 201710275759 A CN201710275759 A CN 201710275759A CN 106984330 A CN106984330 A CN 106984330A
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 230000003647 oxidation Effects 0.000 title claims abstract description 25
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 25
- 239000011949 solid catalyst Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000003197 catalytic effect Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 15
- LWXVCCOAQYNXNX-UHFFFAOYSA-N lithium hypochlorite Chemical compound [Li+].Cl[O-] LWXVCCOAQYNXNX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 13
- 229910001868 water Inorganic materials 0.000 claims abstract description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 12
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 11
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 11
- -1 holmium oxalate Rare-earth Chemical class 0.000 claims abstract description 11
- 235000012222 talc Nutrition 0.000 claims abstract description 11
- 229960000892 attapulgite Drugs 0.000 claims abstract description 10
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical compound [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052637 diopside Inorganic materials 0.000 claims abstract description 10
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 10
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Inorganic materials [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 claims abstract description 10
- 150000002148 esters Chemical class 0.000 claims abstract description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 9
- 239000000454 talc Substances 0.000 claims abstract description 9
- 229910052623 talc Inorganic materials 0.000 claims abstract description 9
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 241000723346 Cinnamomum camphora Species 0.000 claims abstract description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229940107816 ammonium iodide Drugs 0.000 claims abstract description 8
- JQDYLDJOLNKPHG-UHFFFAOYSA-N octadecanoate;trimethylazanium Chemical group CN(C)C.CCCCCCCCCCCCCCCCCC(O)=O JQDYLDJOLNKPHG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 8
- 239000011591 potassium Substances 0.000 claims abstract description 8
- 239000010970 precious metal Substances 0.000 claims abstract description 8
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 8
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 229930008380 camphor Natural products 0.000 claims abstract description 7
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 7
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 7
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000000858 thiocyanato group Chemical group *SC#N 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims abstract description 7
- 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 6
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910021538 borax Inorganic materials 0.000 claims abstract description 6
- 235000002332 ferrous fumarate Nutrition 0.000 claims abstract description 6
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 6
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 6
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 5
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001354 calcination Methods 0.000 claims abstract description 5
- WHELTKFSBJNBMQ-UHFFFAOYSA-L dichlororuthenium;2-pyridin-2-ylpyridine;hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ru+2].N1=CC=CC=C1C1=CC=CC=N1.N1=CC=CC=C1C1=CC=CC=N1.N1=CC=CC=C1C1=CC=CC=N1 WHELTKFSBJNBMQ-UHFFFAOYSA-L 0.000 claims abstract description 5
- 229960000225 ferrous fumarate Drugs 0.000 claims abstract description 5
- 239000011773 ferrous fumarate Substances 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 4
- VAIVGJYVKZVQAA-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;nickel Chemical compound [Ni].OC(=O)CC(O)(C(O)=O)CC(O)=O VAIVGJYVKZVQAA-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000007795 chemical reaction product Substances 0.000 claims abstract 2
- 239000007864 aqueous solution Substances 0.000 claims description 22
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- DYYFBWLZDJSPGO-UHFFFAOYSA-H holmium(3+);oxalate Chemical class [Ho+3].[Ho+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O DYYFBWLZDJSPGO-UHFFFAOYSA-H 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 3
- 238000006703 hydration reaction Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- PXRKCOCTEMYUEG-UHFFFAOYSA-N 5-aminoisoindole-1,3-dione Chemical compound NC1=CC=C2C(=O)NC(=O)C2=C1 PXRKCOCTEMYUEG-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 229910052771 Terbium Inorganic materials 0.000 claims 1
- 210000004556 brain Anatomy 0.000 claims 1
- 210000000481 breast Anatomy 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- ILRLTAZWFOQHRT-UHFFFAOYSA-N potassium;sulfuric acid Chemical compound [K].OS(O)(=O)=O ILRLTAZWFOQHRT-UHFFFAOYSA-N 0.000 claims 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical class SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 16
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 abstract description 9
- 238000001994 activation Methods 0.000 abstract description 7
- 239000011148 porous material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003995 emulsifying agent Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000003889 chemical engineering Methods 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000004913 activation Effects 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 5
- 150000002910 rare earth metals Chemical class 0.000 description 5
- 239000003643 water by type Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 235000015165 citric acid Nutrition 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- BZSVVCFHMVMYCR-UHFFFAOYSA-N 2-pyridin-2-ylpyridine;ruthenium Chemical compound [Ru].N1=CC=CC=C1C1=CC=CC=N1.N1=CC=CC=C1C1=CC=CC=N1.N1=CC=CC=C1C1=CC=CC=N1 BZSVVCFHMVMYCR-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229960000846 camphor Drugs 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007210 heterogeneous catalysis Methods 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- MITDXNUXOAYFGC-UHFFFAOYSA-N 1-prop-2-ynylbenzimidazole Chemical compound C1=CC=C2N(CC#C)C=NC2=C1 MITDXNUXOAYFGC-UHFFFAOYSA-N 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 229910004835 Na2B4O7 Inorganic materials 0.000 description 1
- 229910052773 Promethium Inorganic materials 0.000 description 1
- KNFUDJRDHMKNRO-UHFFFAOYSA-N acetic acid;terbium Chemical compound [Tb].CC(O)=O KNFUDJRDHMKNRO-UHFFFAOYSA-N 0.000 description 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- ZRDJERPXCFOFCP-UHFFFAOYSA-N azane;iodic acid Chemical compound [NH4+].[O-]I(=O)=O ZRDJERPXCFOFCP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229940068911 chloride hexahydrate Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- VOAPTKOANCCNFV-UHFFFAOYSA-N hexahydrate;hydrochloride Chemical compound O.O.O.O.O.O.Cl VOAPTKOANCCNFV-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- WCWKKSOQLQEJTE-UHFFFAOYSA-N praseodymium(3+) Chemical compound [Pr+3] WCWKKSOQLQEJTE-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- DTMHTVJOHYTUHE-UHFFFAOYSA-N thiocyanogen Chemical compound N#CSSC#N DTMHTVJOHYTUHE-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical group CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/894—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- B01J35/40—
-
- B01J35/50—
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- 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
Abstract
The present invention relates to a kind of preparation method of ozone Heterogeneous oxidation solid catalyst, category environmental protection and technical field of chemical engineering catalysts.The preparation method is to use attapulgite, diopside, talcum, sal soda stone, aluminium hydroxide and celestine porous material make carrier, carrier is modified through lithium hypochlorite and double (acetylacetone,2,4-pentanedione) beryllium reamings, add surfactant tri-n-octyl methyl ammonium chloride and surface activation process is carried out under ul-trasonic irradiation, then ultrasonic surface activated carrier in hydrothermal reaction kettle with composite mineralizer borax and potassium sulfate, catalytic activity auxiliary agent predecessor three (3 trifluoroacetyl group D camphors) praseodymium (III), three cyclopentadiene promethiums, it is hydrated three acetic acid terbiums, ten water holmium oxalate Rare-earth chemicals, catalytic active center component predecessor normal transition metallo-organic compound ferrous fumarate, citric acid nickel and the thiocyanato of precious metal chemical complex two silver（I）Sour potassium, Tris(2,2'- bipyridyl) ruthenium (II) chloride hexahydrate, carry out hydro-thermal reaction under the effect of emulsifying agent stearic acid trimethylamine groups ethanol ester ammonium iodide, and reaction product drying is removed after moisture, and in Muffle furnace, calcination obtains ozone Heterogeneous oxidation solid catalyst under certain temperature.
Description
Technical field
The present invention relates to a kind of preparation method of ozone Heterogeneous oxidation solid catalyst, category environmental protection and chemical catalyst skill
Art field.
Background technology
Ozonation technology using ozone oxidation ability it is strong the characteristics of, can be by many organic pollution oxidation Decompositions, extensively
For wastewater treatment.Catalytic ozonation technology is divided into ozone homogeneous catalytic oxidation and ozone heterogeneous catalytic oxidation, and ozone is equal
Phase catalysis oxidation has that the more difficult separation and recovery of catalyst is reused, ozone utilization rate is low causes water process operating cost higher,
Organic pollutant removal rate is relatively low simultaneously and easily causing secondary pollution of water is limited to its application；Ozone heterogeneous catalysis oxygen
There is change technology catalyst to be easily isolated and recycled and reusable, ozone utilization rate is high, organic pollutant removal rate is higher, drop
Low water process operating cost and receive significant attention its application the advantages of do not result in secondary pollution.Ozone heterogeneous catalysis
It is to reach local organic matter enrichment by catalyst surface absorption organic matter that oxidation of organic compounds, which is decomposed, while ozone molecule absorption exists
The hydroxyl radical free radical that catalyst surface produces high activity under catalyst action decomposes organic matter.Ozone heterogeneous catalytic oxidation
Handle in waste water technology, core technology is the preparation of ozone Heterogeneous oxidation solid catalyst.
Ozone Heterogeneous oxidation solid catalyst is generally made up of carrier, activated centre and auxiliary agent.Due to being polluted in waste water
Species are various, complex chemical composition feature, can produce harmful effect to performance such as absorption, the mithridatism of catalyst.
Prepare that the carrier structure that ozone Heterogeneous oxidation solid catalyst uses is more single at present, adsorptivity is relatively low；Activated centre is universal
Using normal transition metal salt, mithridatism is poor；Preparation method mainly has infusion process, the precipitation method, mixing method and collosol and gel etc.
Method attachment activity center and adjuvant component are easily liquated out in carrier surface, activated centre and adjuvant component, cause catalyst
Easily lose catalytic activity.For exist in current ozone Heterogeneous oxidation solid catalyst preparation method Catalyst Adsorption compared with
Low, mithridatism is poor and easily loses catalytic activity problem, and exploitation is strengthened using multicomponent porous carrier through reaming, surface active
Catalyst Adsorption, makees catalytic activity auxiliary agent predecessor, normal transition Organometallic using Rare-earth chemicals and closes
Thing and precious metal chemical complex are made catalytic active center predecessor and contained with multicomponent porous carrier through hydro-thermal reaction, high temperature sintering preparation
The ozone Heterogeneous oxidation solid catalyst of multi-element metal has to improve the preparation method of catalyst mithridatism and catalytic activity
Larger environmental benefit and higher practical value.
The content of the invention
For existing in current ozone Heterogeneous oxidation solid catalyst preparation method, Catalyst Adsorption is relatively low, mithridatism
Poor to lose catalytic activity problem with easy, exploitation strengthens catalyst using multicomponent porous carrier through reaming, surface active
Adsorptivity, catalytic activity auxiliary agent predecessor, normal transition metallo-organic compound and expensive are made using Rare-earth chemicals
Metallic compound is made catalytic active center predecessor and prepared with multicomponent porous carrier through hydro-thermal reaction, high temperature sintering containing polynary gold
The ozone Heterogeneous oxidation solid catalyst of category to improve the preparation method of catalyst mithridatism and catalytic activity, it is characterized in that
Component A can be added in closed reactor and deionized water stirring prepares the aqueous solution, the weight concentration for control component A is 2%~6%,
After the completion of prepared by solution, B component is added under agitation, 35 DEG C~50 DEG C are warming up to, continues stirring reaction 3h~6h, is filtered, instead
Product is answered to obtain reaming modified support after 102 DEG C~106 DEG C dry constant weights；Reaming modified support puts into ultrasound reactor,
The aqueous solution prepared by component C and deionized water is added, the weight concentration of component C is 3%~8%, is uniformly mixed, and control is super
Sound power density is 0.3~0.8W/m3, frequency 20kHz~30kHz, 40 DEG C~55 DEG C, sonic oscillation 2h~5h obtains ultrasound
Surface active carrier mixed liquor；Ultrasonic surface activated carrier mixed liquor is transferred in hydrothermal reaction kettle, add D components and go from
The aqueous solution that sub- water is prepared, the weight concentration of D components is 40%~55%, by weight, D component deionized water solutions:Ultrasonic table
Weight ratio=1 of face activated carrier mixed liquor:（1.5~2）, control 120 DEG C~180 DEG C of temperature, the hydro-thermal reaction time be 8h~
16h, then dries to obtain fine particle；Fine particle is in Muffle furnace, 600 DEG C~950 DEG C, and calcination 3h~8h obtains ozone non-
Homogeneous oxidizing solid catalyst.The component A is made up of lithium hypochlorite, double (acetylacetone,2,4-pentanedione) berylliums, by weight, lithium hypochlorite:
Weight ratio=1 of double (acetylacetone,2,4-pentanedione) berylliums:（1~1.6）, B component is by attapulgite, diopside, talcum, sal soda stone, hydroxide
Aluminium, celestine composition, by weight, attapulgite:Diopside:Talcum:Sal soda stone:Aluminium hydroxide:The weight ratio of celestine=
（5~15）:（7~17）:（9~19）:（11~21）:（13~23）:（15~25）, by weight, component A:The weight of B component
The ratio between=1:（10~20）, component C is tri-n-octyl methyl ammonium chloride, by weight, component C:The weight ratio of reaming modified support
=1:（5~10）, D components are by composite mineralizer borax, the potassium sulfate, (3- trifluoroacetyl groups-D- of catalytic activity auxiliary agent predecessor three
Camphor) praseodymium (III), three cyclopentadiene promethiums, hydration three acetic acid terbiums, ten water holmium oxalate Rare-earth chemicals, catalytic activity
Center predecessor normal transition metallo-organic compound ferrous fumarate, citric acid nickel and the thiocyanato of precious metal chemical complex two
Silver（I）Sour potassium, Tris(2,2'- bipyridyl) ruthenium (II) chloride hexahydrate, emulsifying agent stearic acid trimethylamine groups ethanol ester ammonium iodide composition, by weight
Meter, borax:Potassium sulfate:Three (3- trifluoroacetyl group-D- camphors) praseodymiums (III):Three cyclopentadiene promethiums:It is hydrated three acetic acid terbiums:Ten water
Holmium oxalate:Ferrous fumarate:Citric acid nickel:Two thiocyanatos silver（I）Sour potassium:Tris(2,2'- bipyridyl) ruthenium (II) chloride hexahydrate:It is stearic
The weight ratio of sour trimethylamine groups ethanol ester ammonium iodide=（4~8）:（6~10）:（3~6）:（4~7）:（5~8）:（6~9）:
（10~15）:（12~18）:（4~7）:（6~9）:（6~20）.Attapulgite, diopside, talcum, the sal soda of the B component
Stone, aluminium hydroxide, celestine are crushed respectively, deionized water washing dry remove moisture after, through standard screen carry out -200 mesh,
+ 400 mesh sieves point, it is the mm of 0.0370mm~0.0750 control particle diameter.
What the technical method of the present invention was realized in：Lithium hypochlorite LiClO, double (second can be being added in closed reactor
Acyl acetone) beryllium C10H14BeO4The aqueous solution is prepared with deionized water stirring, it is 0.0370mm~0.0750mm to add particle diameter after screening
Attapulgite, diopside, talcum, sal soda stone, aluminium hydroxide and celestine porous material carrier, in certain temperature and stirring bar
Under part, the small Be of aqueous solution Ionic Radius2+（0.31Å）、Li+（0.60Å）Displace part ion radius in porous material big
Ca2+（0.99Å）、K+（1.33Å）、Ba2+（1.35Å）Plasma, the aperture of porous material carrier becomes big, surface roughness increasing
Plus, filtering dries the reaming modified support input ultrasound reactor after constant weight, adds tri-n-octyl methyl ammonium chloride
[(C8H17)3NCH3]+Cl-The aqueous solution, control ultrasonic power density, ultrasonic frequency, temperature and sonic oscillation time, in ultrasound
Under ripple cavitation, tri-n-octyl methyl ammonium chloride [(C8H17)3NCH3]+Cl-It is easy to escape into reaming modified support from the aqueous solution
Duct is attached to reaming modified support surface, is beneficial to being interconnected and carrier surface activation for carrier duct, enhances suction
Attached property；After the completion of ultrasonic activation, ultrasonic surface activated carrier mixed liquor is transferred in hydrothermal reaction kettle, with borax Na2B4O7·
10H2O, potassium sulfate K2SO4Composite mineralizer, catalytic activity auxiliary agent predecessor three (3- trifluoroacetyl group-D- camphors) praseodymium (III)
C36H42F9O6Pr, three cyclopentadiene promethium Pm (C5H5)3, hydration three acetic acid terbium C6H11O7Tb, ten water holmium oxalate C6Ho2O12Rare earth metal
Organic compound, catalytic active center component predecessor normal transition metallo-organic compound ferrous fumarate C4H2O4Fe, lemon
Sour nickel C12H10O14Ni3With two thiocyanatos silver（I）Sour potassium K [Ag (SCN)2], Tris(2,2'- bipyridyl) ruthenium (II) chloride hexahydrate
(C10H8N2)3Cl2Ru·(H2O)6Precious metal chemical complex, in emulsifying agent stearic acid trimethylamine groups ethanol ester ammonium iodide
[C17H35COOCH2CH2N(CH3)CH2]+I-Effect is lower to carry out hydro-thermal reaction, and mineralizer accelerates diffusion, makes reactant lattice
Activation, promotes the progress of solid phase reaction, ultrasonic surface activated carrier has with Rare-earth chemicals, normal transition metal
Machine compound, precious metal chemical complex Uniform Doped, emulsifying agent stearic acid trimethylamine groups ethanol ester ammonium iodide make reaction solution form standard
The emulsion of stable state prevents separation of solid and liquid, sedimentation, while to the further surface active of porous carrier, by certain temperature, when
Between hydro-thermal reaction, drying obtains the fine silt thing of Uniform Doped；The fine silt thing of Uniform Doped burns in Muffle furnace through high temperature
Burn, organic matter carbonization therein further enhances the microcellular structure of porous carrier, obtain porous carrier supported rare earth gold
Belong to the ozone Heterogeneous oxidation solid catalyst of the catalytic active center of oxide, transition metal oxide and noble metal formation,
Improve the mithridatism and catalytic activity of catalyst.
Relative to art methods, outstanding feature of the present invention is that attapulgite, diopside, cunning are used in technology of preparing
Stone, sal soda stone, aluminium hydroxide, celestine porous material make carrier, due to lithium hypochlorite LiClO and double (acetylacetone,2,4-pentanedione) berylliums
C10H14BeO4Reaming effect, tri-n-octyl methyl ammonium chloride [(C8H17)3NCH3]+Cl-, stearic acid trimethylamine groups ethanol ester iodate
Ammonium [C17H35COOCH2CH2N(CH3)CH2]+I-The interconnected and surface activation in duct；Rare earth gold is made by hydro-thermal reaction
Category organic compound, normal transition metallo-organic compound and precious metal chemical complex reach Uniform Doped and are attached to carrier surface
In duct, high temperature sintering makes organic matter carbonization strengthen and form multi-level microcellular structure, and porous carrier load is dilute
The multi-element metal catalytic active center of soil metal oxide, transition metal oxide and noble metal formation is combined more with porous carrier
Plus firmly, the ozone Heterogeneous oxidation solid catalyst of preparation has a stronger adsorptivity, the cooperative effect of multi-element metal, especially
It is stability and high activity that doped precious metal has, liquating out for metal catalytic activity component can be suppressed, improves catalysis
The mithridatism and catalytic activity of agent, with good environmental benefit and economic benefit.
Embodiment
Embodiment 1:1.35g lithium hypochlorites, double (acetylacetone,2,4-pentanedione) berylliums of 1.65g, 140ml deionized waters, being added to volume is
500ml's can be uniformly mixed in closed reactor, and the weight concentration of the aqueous solution is 2.1%, lithium hypochlorite:Double (levulinics
Ketone) beryllium weight ratio=1:1.2；Add deionized water wash to it is neutral, 103 DEG C dry remove -200 mesh of sieving after moisture~+
The 2.75g attapulgites of 400 mesh standard sieves, 3.75g diopsides, 4.75g talcums, 5.75g sal soda stone, 6.75g aluminium hydroxides,
The weight of 7.75g celestines, lithium hypochlorite and double (acetylacetone,2,4-pentanedione) berylliums（3g）:The weight of porous material（31.5g）=1:10.5,
36 DEG C are warming up to, reaming modified support 31g is obtained after continuing stirring reaction 3.2h, filtering, 103 DEG C of dry constant weights；It is super in 500ml
In sound wave reactor, reaming modified support 31g is put into, 3.25g tri-n-octyl methyl ammonium chlorides is added and is dissolved in 100ml deionized waters
The aqueous solution, the weight concentration of the aqueous solution is 3.1%, is uniformly mixed, tri-n-octyl methyl ammonium chloride（3.25g）:Reaming changes
Property carrier（31g ）=1:9.5；It is 0.4 W/m to control ultrasonic power density3, ultrasonic frequency 21kHz, 41 DEG C of temperature, ultrasound is shaken
Swing 2.2h；After the completion of ultrasonic activation, the ultrasonic surface activated carrier mixed liquor in ultrasound reactor is transferred to 500ml hydro-thermals
In reactor, add by 2.1g boraxs, 3.05g potassium sulfates, 1.6g tri- (3- trifluoroacetyl group-D- camphors) praseodymium (III),
The cyclopentadiene promethiums of 2.05g tri-, 2.6g are hydrated three acetic acid terbiums, the water holmium oxalates of 3.05g ten, 5.05g ferrous fumarates, 6.1g citric acids
Nickel, the thiocyanatos of 2.05g bis- silver（I）Sour potassium, 3.1g Tris(2,2'- bipyridyl) ruthenium (II) chlorides hexahydrate, 3.05g stearic acid trimethylamine groups
The aqueous solution that ethanol ester ammonium iodide and 50ml deionized waters are prepared, the weight concentration of the aqueous solution is 40.3%, the weight of the aqueous solution
Amount:Weight=83.8g of ultrasonic surface activated carrier mixed liquor:134.25g=1:1.6,125 DEG C of temperature is controlled, during hydro-thermal reaction
Between be 8.3h, then dry to obtain fine silt thing for 105 DEG C；Fine silt thing is in Muffle furnace, 620 DEG C, calcination 3.2h, cooling down
Afterwards, it can obtain the ozone Heterogeneous oxidation solid catalyst of fine particle shape.
Embodiment 2:0.24g lithium hypochlorites, double (acetylacetone,2,4-pentanedione) berylliums of 0.36g, 10ml deionized waters, being added to volume is
100ml's can be uniformly mixed in closed reactor, and the weight concentration of the aqueous solution is 5.7%, lithium hypochlorite:Double (levulinics
Ketone) beryllium weight ratio=1:1.5；Add deionized water wash to it is neutral, 103 DEG C dry remove -200 mesh of sieving after moisture~+
The 1.45g attapulgites of 400 mesh standard sieves, 1.65g diopsides, 1.85g talcums, 2.05g sal soda stone, 2.25g aluminium hydroxides,
The weight of 2.45g celestines, lithium hypochlorite and double (acetylacetone,2,4-pentanedione) berylliums（0.6g）:The weight of porous material（11.7g）=1:
19.5,48 DEG C are warming up to, reaming modified support 11.5g is obtained after continuing stirring reaction 5.8h, filtering, 105 DEG C of dry constant weights；
In 100ml ultrasound reactors, reaming modified support 11.5g is put into, 2.2g tri-n-octyl methyl ammonium chlorides is added and is dissolved in 26ml
The aqueous solution of deionized water, the weight concentration of the aqueous solution is 7.8%, is uniformly mixed, tri-n-octyl methyl ammonium chloride
（2.2g）:Reaming modified support（11.5g ）=1:5.2；It is 0.7 W/m to control ultrasonic power density3, ultrasonic frequency 29kHz,
54 DEG C of temperature, sonic oscillation 4.7h；After the completion of ultrasonic activation, the ultrasonic surface activated carrier mixed liquor in ultrasound reactor
It is transferred in 100ml hydrothermal reaction kettles, adds by 0.78g boraxs, 0.97g the potassium sulfates, (3- trifluoroacetyl groups-D- of 0.58g tri-
Camphor) praseodymium (III), the cyclopentadiene promethiums of 0.67g tri-, 0.78g be hydrated three acetic acid terbiums, the water holmium oxalates of 0.87g ten, 1.48g fumaric acid
Ferrous iron, 1.77g citric acids nickel, the thiocyanatos of 0.68g bis- silver（I）Sour potassium, 0.87g Tris(2,2'- bipyridyl) ruthenium (II) chlorides hexahydrate,
The aqueous solution that 1.98g stearic acid trimethylamine groups ethanol ester ammonium iodides and 10ml deionized waters are prepared, the weight concentration of the aqueous solution
For 53.3%, the weight of the aqueous solution:Weight=21.43g of ultrasonic surface activated carrier mixed liquor:39.7g=1:1.9, control temperature
175 DEG C of degree, the hydro-thermal reaction time is 15.5h, then dries to obtain fine silt thing for 105 DEG C；Fine silt thing is in Muffle furnace, 930 DEG C,
After calcination 7.5h, cooling down, the ozone Heterogeneous oxidation solid catalyst of fine particle shape can obtain.
Claims (2)
1. a kind of preparation method of ozone Heterogeneous oxidation solid catalyst, it is characterized in that A groups can added in closed reactor
Divide and deionized water stirring prepares the aqueous solution, the weight concentration for controlling component A is 2%~6%, after the completion of prepared by solution, in stirring
Lower addition B component, is warming up to 35 DEG C~50 DEG C, continues stirring reaction 3h~6h, and filtering, reaction product is dry at 102 DEG C~106 DEG C
Reaming modified support is obtained after dry constant weight, reaming modified support input ultrasound reactor, addition is matched somebody with somebody by component C and deionized water
The aqueous solution of system, the weight concentration of component C is 3%~8%, is uniformly mixed, and it is 0.3~0.8W/ to control ultrasonic power density
m3, frequency 20kHz~30kHz, 40 DEG C~55 DEG C, sonic oscillation 2h~5h obtains ultrasonic surface activated carrier mixed liquor, transfer
Into hydrothermal reaction kettle, the aqueous solution that D components and deionized water are prepared is added, the weight concentration of D components is 40%~55%, is pressed
Weight meter, D component deionized water solutions:Weight ratio=1 of ultrasonic surface activated carrier mixed liquor:（1.5~2）, control temperature
120 DEG C~180 DEG C, the hydro-thermal reaction time is 8h~16h, then dries to obtain fine silt thing, fine silt thing is in Muffle furnace, 600
DEG C~950 DEG C, calcination 3h~8h obtains ozone Heterogeneous oxidation solid catalyst；The component A by expanding agent lithium hypochlorite,
Double (acetylacetone,2,4-pentanedione) beryllium compositions, by weight, lithium hypochlorite:Weight ratio=1 of double (acetylacetone,2,4-pentanedione) berylliums:（1~1.6）, B groups
Divide and be made up of attapulgite, diopside, talcum, sal soda stone, aluminium hydroxide, celestine, by weight, attapulgite:Diopside:
Talcum:Sal soda stone:Aluminium hydroxide:The weight ratio of celestine=（5~15）:（7~17）:（9~19）:（11~21）:（13~
23）:（15~25）, by weight, component A:Weight ratio=1 of B component:（10~20）, component C is tricaprylmethyl chlorination
Ammonium, by weight, component C:Weight ratio=1 of reaming modified support:（5~10）, D components are by composite mineralizer borax, sulfuric acid
Potassium, catalytic activity auxiliary agent predecessor three (3- trifluoroacetyl group-D- camphors) praseodymium (III), three cyclopentadiene promethiums, three acetic acid of hydration
Terbium, ten water holmium oxalate Rare-earth chemicals, catalytic active center predecessor normal transition metallo-organic compound richness horse
Sour ferrous, citric acid nickel and the thiocyanato of precious metal chemical complex two silver（I）Sour potassium, Tris(2,2'- bipyridyl) ruthenium (II) chloride hexahydrate, breast
Agent stearic acid trimethylamine groups ethanol ester ammonium iodide is constituted, by weight, borax:Potassium sulfate:Three (3- trifluoroacetyl group-D- camphor trees
Brain) praseodymium (III):Three cyclopentadiene promethiums:It is hydrated three acetic acid terbiums:Ten water holmium oxalates:Ferrous fumarate:Citric acid nickel:Two thiocyanic acids
Root closes silver（I）Sour potassium:Tris(2,2'- bipyridyl) ruthenium (II) chloride hexahydrate:The weight ratio of stearic acid trimethylamine groups ethanol ester ammonium iodide=（4
~8）:（6~10）:（3~6）:（4~7）:（5~8）:（6~9）:（10~15）:（12~18）:（4~7）:（6~9）:（6~
20）.
2. B component is by attapulgite, diopside, talcum, sal soda stone, aluminium hydroxide, celestine group according to claim 1
Into attapulgite, diopside, talcum, sal soda stone, aluminium hydroxide, celestine are crushed respectively, and deionized water washing drying is removed
Go after moisture, sieved through standard screen, it is 0.0370mm~0.0750mm to control particle diameter.
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|---|---|---|---|---|
| CN112264030A (en) * | 2020-11-21 | 2021-01-26 | 江西挺进环保科技有限公司 | Ozone catalytic treating agent for treating organic matters in wastewater and preparation method thereof |
| CN112591869A (en) * | 2020-11-21 | 2021-04-02 | 江西挺进环保科技有限公司 | Treatment method of organic wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112264030A (en) * | 2020-11-21 | 2021-01-26 | 江西挺进环保科技有限公司 | Ozone catalytic treating agent for treating organic matters in wastewater and preparation method thereof |
| CN112591869A (en) * | 2020-11-21 | 2021-04-02 | 江西挺进环保科技有限公司 | Treatment method of organic wastewater |
| CN112264030B (en) * | 2020-11-21 | 2022-06-21 | 江西挺进环保科技股份有限公司 | Ozone catalytic treating agent for treating organic matters in wastewater and preparation method thereof |
| CN112591869B (en) * | 2020-11-21 | 2023-02-17 | 江西挺进环保科技股份有限公司 | Treatment method of organic wastewater |
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Application publication date: 20170728 |