JPS6125642A - 無水ピロメリツト酸製造用触媒 - Google Patents
無水ピロメリツト酸製造用触媒Info
- Publication number
- JPS6125642A JPS6125642A JP14688684A JP14688684A JPS6125642A JP S6125642 A JPS6125642 A JP S6125642A JP 14688684 A JP14688684 A JP 14688684A JP 14688684 A JP14688684 A JP 14688684A JP S6125642 A JPS6125642 A JP S6125642A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- component
- weight
- parts
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 57
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000003197 catalytic effect Effects 0.000 claims abstract description 9
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 229910052718 tin Inorganic materials 0.000 claims abstract description 5
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 4
- 229910052792 caesium Inorganic materials 0.000 claims abstract description 4
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 4
- 229910052716 thallium Inorganic materials 0.000 claims abstract description 3
- SQNZJJAZBFDUTD-UHFFFAOYSA-N durene Chemical compound CC1=CC(C)=C(C)C=C1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 claims description 28
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 239000013543 active substance Substances 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052701 rubidium Inorganic materials 0.000 claims description 2
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 12
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 9
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000151 deposition Methods 0.000 abstract 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 2
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Inorganic materials O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical compound [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- YHBDIEWMOMLKOO-UHFFFAOYSA-I pentachloroniobium Chemical compound Cl[Nb](Cl)(Cl)(Cl)Cl YHBDIEWMOMLKOO-UHFFFAOYSA-I 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 3
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000005696 Diammonium phosphate Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003426 co-catalyst Substances 0.000 description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 2
- 235000019838 diammonium phosphate Nutrition 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 description 2
- 239000006012 monoammonium phosphate Substances 0.000 description 2
- FYWSTUCDSVYLPV-UHFFFAOYSA-N nitrooxythallium Chemical compound [Tl+].[O-][N+]([O-])=O FYWSTUCDSVYLPV-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical group OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- IVORCBKUUYGUOL-UHFFFAOYSA-N 1-ethynyl-2,4-dimethoxybenzene Chemical compound COC1=CC=C(C#C)C(OC)=C1 IVORCBKUUYGUOL-UHFFFAOYSA-N 0.000 description 1
- JFHFMHPKOSJJTE-UHFFFAOYSA-N 4,5-dimethyl-2-benzofuran-1,3-dione Chemical group CC1=CC=C2C(=O)OC(=O)C2=C1C JFHFMHPKOSJJTE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 101100162169 Xenopus laevis adrm1-a gene Proteins 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- -1 halide salts Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012476 oxidizable substance Substances 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- RTHYXYOJKHGZJT-UHFFFAOYSA-N rubidium nitrate Inorganic materials [Rb+].[O-][N+]([O-])=O RTHYXYOJKHGZJT-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- RCIVOBGSMSSVTR-UHFFFAOYSA-L stannous sulfate Chemical compound [SnH2+2].[O-]S([O-])(=O)=O RCIVOBGSMSSVTR-UHFFFAOYSA-L 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910000375 tin(II) sulfate Inorganic materials 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- KHAUBYTYGDOYRU-IRXASZMISA-N trospectomycin Chemical compound CN[C@H]([C@H]1O2)[C@@H](O)[C@@H](NC)[C@H](O)[C@H]1O[C@H]1[C@]2(O)C(=O)C[C@@H](CCCC)O1 KHAUBYTYGDOYRU-IRXASZMISA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
- XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14688684A JPS6125642A (ja) | 1984-07-17 | 1984-07-17 | 無水ピロメリツト酸製造用触媒 |
| CA000481767A CA1261860A (en) | 1984-05-21 | 1985-05-17 | Method for the preparation of pyromellitic acid or its anhydride |
| EP85106175A EP0163231B1 (en) | 1984-05-21 | 1985-05-20 | Catalyst for use in preparation of pyromellitic acid and/or pyromellitic anhydride |
| NZ212129A NZ212129A (en) | 1984-05-21 | 1985-05-20 | Supported catalyst composition |
| DE8585106175T DE3576074D1 (de) | 1984-05-21 | 1985-05-20 | Katalysator zur verwendung in der herstellung von pyromellithsaeure und/oder pyromellithsaeureanhydrid. |
| US06/841,833 US4665200A (en) | 1984-05-21 | 1986-03-20 | Method for preparing pyromellitic acid and/or pyromellitic anhydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14688684A JPS6125642A (ja) | 1984-07-17 | 1984-07-17 | 無水ピロメリツト酸製造用触媒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6125642A true JPS6125642A (ja) | 1986-02-04 |
| JPH0413026B2 JPH0413026B2 (enrdf_load_stackoverflow) | 1992-03-06 |
Family
ID=15417797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14688684A Granted JPS6125642A (ja) | 1984-05-21 | 1984-07-17 | 無水ピロメリツト酸製造用触媒 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6125642A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06126189A (ja) * | 1992-10-19 | 1994-05-10 | Agency Of Ind Science & Technol | 半導体光触媒を用いた水素及び酸素の製造方法、及び水素、酸素及び一酸化炭素の製造方法 |
| US6699999B2 (en) | 2001-08-08 | 2004-03-02 | Nippon Shokubai Co., Ltd. | Process for producing pyromellitic anhydride |
| KR20160127095A (ko) * | 2014-02-28 | 2016-11-02 | 바스프 에스이 | 안장형 지지체를 갖는 산화 촉매 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013349A (enrdf_load_stackoverflow) * | 1973-05-04 | 1975-02-12 | ||
| JPS5411270A (en) * | 1977-06-27 | 1979-01-27 | Ariake Hamamoto | Treating of konbu and like to discolor |
| JPS5622582A (en) * | 1979-07-30 | 1981-03-03 | Hitachi Ltd | Starter for current type inverter |
-
1984
- 1984-07-17 JP JP14688684A patent/JPS6125642A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013349A (enrdf_load_stackoverflow) * | 1973-05-04 | 1975-02-12 | ||
| JPS5411270A (en) * | 1977-06-27 | 1979-01-27 | Ariake Hamamoto | Treating of konbu and like to discolor |
| JPS5622582A (en) * | 1979-07-30 | 1981-03-03 | Hitachi Ltd | Starter for current type inverter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06126189A (ja) * | 1992-10-19 | 1994-05-10 | Agency Of Ind Science & Technol | 半導体光触媒を用いた水素及び酸素の製造方法、及び水素、酸素及び一酸化炭素の製造方法 |
| US6699999B2 (en) | 2001-08-08 | 2004-03-02 | Nippon Shokubai Co., Ltd. | Process for producing pyromellitic anhydride |
| KR20160127095A (ko) * | 2014-02-28 | 2016-11-02 | 바스프 에스이 | 안장형 지지체를 갖는 산화 촉매 |
| JP2017509477A (ja) * | 2014-02-28 | 2017-04-06 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | 鞍形の担体成形体を有する酸化触媒 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413026B2 (enrdf_load_stackoverflow) | 1992-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR950009710B1 (ko) | 무수프탈산 제조용 촉매와 그 촉매를 이용한 무수프탈산의 제조방법 | |
| CA1311740C (en) | Method for manufacture of phthalic anhydride | |
| JP3248560B2 (ja) | 気相酸化反応用担持触媒 | |
| KR950008197B1 (ko) | 무수 프탈산 제조용 촉매 | |
| US4665200A (en) | Method for preparing pyromellitic acid and/or pyromellitic anhydride | |
| JP2002523232A (ja) | 芳香族炭化水素の気相酸化のための多層シェル型触媒 | |
| US5229527A (en) | Method for production of phthalic anhydride by vapor-phase oxidation of mixture of ortho-xylene with naphthalene | |
| BRPI0410759B1 (pt) | Processo para preparar aldeídos, ácidos carboxílicos e/ou anidridos de ácido carboxílico | |
| JPS6125642A (ja) | 無水ピロメリツト酸製造用触媒 | |
| JP4557378B2 (ja) | 無水フタル酸の製造方法 | |
| JP2592490B2 (ja) | 芳香族炭化水素の酸化方法 | |
| JPH0415020B2 (enrdf_load_stackoverflow) | ||
| JP3130681B2 (ja) | オルソキシレンおよびナフタレンの混合物の気相酸化による無水フタル酸の製造方法 | |
| JP4827329B2 (ja) | 酸無水物の製造方法 | |
| JP3298609B2 (ja) | 無水フタル酸製造用触媒およびそれを用いてなる無水フタル酸の製造方法 | |
| JP2563995B2 (ja) | 触 媒 | |
| JP2933504B2 (ja) | 無水ピロメリット酸の製造方法 | |
| JPH04215843A (ja) | 無水フタル酸製造用触媒 | |
| JPS60233028A (ja) | フルオレノンの製造方法 | |
| JPS6121729A (ja) | 芳香族化合物酸化用触媒 | |
| JPH0689002B2 (ja) | 無水ピロメリット酸の製造方法およびこれに用いる触媒 | |
| JPS63208575A (ja) | シアノピリジンの製造方法 | |
| JPH0242818B2 (enrdf_load_stackoverflow) | ||
| JPH11300206A (ja) | 気相酸化触媒及びそれを用いた無水フタル酸の製造方法 | |
| HK1081139A1 (zh) | 包含钛-钒-锡的催化剂和邻苯二甲酸酐的制造工艺 |