DE1642938C3 - Supported catalyst containing vanadium pentoxide and titanium dioxide - Google Patents
Supported catalyst containing vanadium pentoxide and titanium dioxideInfo
- Publication number
- DE1642938C3 DE1642938C3 DE19671642938 DE1642938A DE1642938C3 DE 1642938 C3 DE1642938 C3 DE 1642938C3 DE 19671642938 DE19671642938 DE 19671642938 DE 1642938 A DE1642938 A DE 1642938A DE 1642938 C3 DE1642938 C3 DE 1642938C3
- Authority
- DE
- Germany
- Prior art keywords
- lithium
- zirconium
- percent
- weight
- titanium dioxide
- 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.)
- Expired
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims description 39
- 239000003054 catalyst Substances 0.000 title claims description 28
- GNTDGMZSJNCJKK-UHFFFAOYSA-N Vanadium(V) oxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 title claims description 18
- 239000004408 titanium dioxide Substances 0.000 title claims description 18
- 239000000969 carrier Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 7
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N o-xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 6
- 229940078552 o-xylene Drugs 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 4
- 150000003682 vanadium compounds Chemical class 0.000 claims description 4
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Chemical compound C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 3
- -1 lithium halides Chemical class 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 150000003755 zirconium compounds Chemical class 0.000 claims 6
- 150000002642 lithium compounds Chemical class 0.000 claims 4
- 238000001035 drying Methods 0.000 claims 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims 3
- 239000011149 active material Substances 0.000 claims 2
- 150000001450 anions Chemical class 0.000 claims 2
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Chemical compound [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 claims 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910052684 Cerium Inorganic materials 0.000 claims 1
- 210000003608 Feces Anatomy 0.000 claims 1
- 229920002456 HOTAIR Polymers 0.000 claims 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K Lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N Phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims 1
- NYAVNTYRFWSLQL-UHFFFAOYSA-N [Li+].[O--].[O--].[Ti+4] Chemical compound [Li+].[O--].[O--].[Ti+4] NYAVNTYRFWSLQL-UHFFFAOYSA-N 0.000 claims 1
- AZOHCCHHAAHTFQ-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[Li+] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[Li+] AZOHCCHHAAHTFQ-UHFFFAOYSA-N 0.000 claims 1
- KEINVBIDJBPJHZ-UHFFFAOYSA-N acetic acid;zirconium Chemical compound [Zr].CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O KEINVBIDJBPJHZ-UHFFFAOYSA-N 0.000 claims 1
- 150000008064 anhydrides Chemical class 0.000 claims 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- YNQRWVCLAIUHHI-UHFFFAOYSA-L dilithium;oxalate Chemical compound [Li+].[Li+].[O-]C(=O)C([O-])=O YNQRWVCLAIUHHI-UHFFFAOYSA-L 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 239000010419 fine particle Substances 0.000 claims 1
- 150000004820 halides Chemical class 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 229910001386 lithium phosphate Inorganic materials 0.000 claims 1
- 229940087748 lithium sulfate Drugs 0.000 claims 1
- XKPJKVVZOOEMPK-UHFFFAOYSA-M lithium;formate Chemical compound [Li+].[O-]C=O XKPJKVVZOOEMPK-UHFFFAOYSA-M 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 239000000395 magnesium oxide Substances 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000006011 modification reaction Methods 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-L oxalate Chemical compound [O-]C(=O)C([O-])=O MUBZPKHOEPUJKR-UHFFFAOYSA-L 0.000 claims 1
- 239000006187 pill Substances 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 229910052904 quartz Inorganic materials 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N silicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- 150000004760 silicates Chemical class 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- GRUMUEUJTSXQOI-UHFFFAOYSA-N vanadium dioxide Chemical compound O=[V]=O GRUMUEUJTSXQOI-UHFFFAOYSA-N 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium(0) Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 150000003754 zirconium Chemical class 0.000 claims 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 claims 1
- OEERILNPOAIBKF-UHFFFAOYSA-J zirconium(4+);tetraformate Chemical compound [Zr+4].[O-]C=O.[O-]C=O.[O-]C=O.[O-]C=O OEERILNPOAIBKF-UHFFFAOYSA-J 0.000 claims 1
- 230000000875 corresponding Effects 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N HF Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic Effects 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- SQNZJJAZBFDUTD-UHFFFAOYSA-N Durene Chemical compound CC1=CC(C)=C(C)C=C1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 description 1
- ZWLUXSQADUDCSB-UHFFFAOYSA-N Phthalaldehyde Chemical compound O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 description 1
- FKHIFSZMMVMEQY-UHFFFAOYSA-N Talc Chemical compound [Mg+2].[O-][Si]([O-])=O FKHIFSZMMVMEQY-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 235000013495 cobalt Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000001590 oxidative Effects 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Description
3 43 4
die Kugeln einen Durchmesser ν· ·■> 4 bis 10 mm lysator, vorteilhaft im Röhrenofen, bei normalemthe balls have a diameter ν · · ■> 4 to 10 mm lysator, advantageously in a tube furnace, with normal
haben. oder erhöhtem Druck und bei Temperaturen zwi-to have. or increased pressure and at temperatures between
Neben deu für die aktive Katalysatormasse erfift- sehen 350 und 450° C. Die Katalysatoren könnenIn addition to deu for the active catalyst mass, see 350 and 450 ° C. The catalysts can
dungswesentlichen Bestandteilen Vanadinpentoxid, auch im Wirbelbett verwendet werden.essential constituents of vanadium pentoxide, can also be used in the fluidized bed.
Titandioxid und der Lithium- und/oder der Zirkon- 5 Der erfindungsgemäße Katalysator ist besondersTitanium dioxide and the lithium and / or the zirconium 5 The catalyst according to the invention is special
verbindung kann diese in untergeordneten Mengen langlebig und zeichnet sich dadurch aus, daß erThis compound can last for a long time in subordinate quantities and is characterized by the fact that it
— etwa bis zu 15 Gewichtsprozent des Gehaltes an schon kurz nach Beginn der damit durchgeführten- about up to 15 percent by weight of the content of shortly after the start of the
Vanadinpentoxid und Titandioxid (=100°/o) — an- Oxidationsreaktionen sein Wirkungsoptimum er-Vanadium pentoxide and titanium dioxide (= 100 ° / o) - an-
dere Stoffe enthalten, z. B. Verbindungen des Eisens, reicht.which contain substances such. B. compounds of iron is enough.
Nickels, Kobalts, Mangans, Zinns, Silbers, Kupfers, io Beispiel 1
Aluminiums, Chroms, Molybdäns, Wolframs, Iridiums, Niobs, Arsens, Antimons oder Phosphors, Man besprüht 2500 g Magnesiumsilikatkugeln von
vorzugsweise in Form der Oxide. 6 mm Durchmesser in einer auf 3000C erhitztenNickels, cobalts, manganese, tin, silver, copper, io Example 1
Aluminum, chromium, molybdenum, tungsten, iridium, niobium, arsenic, antimony or phosphorus. 2500 g of magnesium silicate balls, preferably in the form of oxides, are sprayed. 6 mm diameter heated in a 300 0 C
Das Aufbringen des wäßrigen Gemisches auf αεη Dragiertrommel mit 400 g einer wäßrigen Suspension,The application of the aqueous mixture to a coating drum with 400 g of an aqueous suspension,
Träger kann man nach an sich bekannten Verfahren 15 die aus Wasser, 42,5 g Formamid, 18,7 g Oxalsäure,Carriers can be obtained by processes known per se from water, 42.5 g of formamide, 18.7 g of oxalic acid,
vornehmen, etwa indem man eine wäßrige, gegebe- 8,5 g Vanadinpentoxid, 133 g Anatas und 0,3 g Li-make, for example by adding an aqueous, given 8.5 g of vanadium pentoxide, 133 g of anatase and 0.3 g of Li
nenfalls mit Verdickungsmitteln wie Alginaten oder thiumacetat (entspricht 0,15 g Lithiumoxid) herge-if necessary with thickeners such as alginates or thium acetate (corresponds to 0.15 g lithium oxide)
Polyacrylaten versehene Suspension der Komponen- stellt wurde. Der Anteil der nichtflüchtigen aktivenPolyacrylate-provided suspension of the component was provided. The percentage of non-volatile active
ten für die aktive Masse auf das Trägermaterial auf- Bestandteile der Katalysatormasse beträgt demnachth for the active composition on the support material, components of the catalyst composition is accordingly
bringt, z. B. durch inniges Vermischen in einer Dra- 20 rund 142 g, wovon 103 g von den Kugeln aufgenom-brings, z. B. by intimately mixing in a Dra- 20 around 142 g, of which 103 g are taken up by the balls.
giertrommel bei 150 bis 5003C, vorzugsweise 250 men wurden. Der Anteil der aktiven Masse imYaw drum at 150 to 500 3 C, preferably 250 men. The proportion of active mass in the
bis 500 C. Hierbei läßt sich die Benetzbarkeit des Trägerkatalysator beträgt 3,9 Gewichtsprozent undup to 500 C. The wettability of the supported catalyst is 3.9 percent by weight and
Trägermaterials häufig erhöhen, wenn die Suspen- der Anteil des Vanadinpentoxids etwa 0,24 Gewichts-Frequently increase the carrier material if the suspension content of the vanadium pentoxide is about 0.24% by weight
sion noch organische wasserlösliche Flüssigkeiten wie prozent. Der Lithiumoxidgehalt beträgt rund 0,13sion still organic water-soluble liquids such as percent. The lithium oxide content is around 0.13
Alkohole oder Dimethylformamid enthält. Femer 25 Gewichtsprozent des Gehaltes an VanadinpentoxidContains alcohols or dimethylformamide. Furthermore, 25 percent by weight of the vanadium pentoxide content
kann die Haftfestigkeit zwischen aktiver Katalysator- und Titandioxid und die mittlere Schichtdicke dercan determine the adhesive strength between active catalyst and titanium dioxide and the mean layer thickness of the
masse und Trägermaterial verbessert werden, wenn Katalysatormasse auf den Kugeln beträgt ungefährmass and support material can be improved if the catalyst mass on the balls is approximately
man letzteres anätzt, z. B. mit Flußsäure oder Fluor- 0,05 mm.one etches the latter, z. B. with hydrofluoric acid or fluorine 0.05 mm.
wasserstoff abgebenden Verbindungen wie Ammo- Nach dem Dragieren wurde dieser Trägerkataly-hydrogen-releasing compounds such as ammo - After the coating, this carrier catalyst was
niumfluorid. Auch Zusätze von Harnstoff, Thioharn- 30 sator 1 Stunde lang im Luftstrom auf 450° C erhitzt,nium fluoride. Additions of urea, thioureate heated to 450 ° C for 1 hour in a stream of air,
stoff oder Ammonrhodanid zur aufzubringenden ak- wonach er gebrauchsfertig war.substance or Ammonrhodanid to be applied ak- after which it was ready for use.
tiven Masse üben einen günstigen Effekt auf die Der folgende Versuch veranschaulicht die Aktivi-tive mass exert a beneficial effect on the The following experiment illustrates the activities
Haftfestigkeit der aktiven Masse auf dem Träger- tat dieses Trägerkalalysators:Adhesion strength of the active mass on the carrier act of this carrier analyzer:
material aus. Durch ein mit dem Trägerkatalysator dicht be-material from. A tightly packed with the supported catalyst
Bei der Herstellung der neuen Katalysatoren ist es 35 schicktes Rohr von 25 mm Durchmesser und 3 mIn the manufacture of the new catalytic converters, there is a neat tube with a diameter of 25 mm and 3 m
nicht erforderlich, von Vanadinpentoxid auszugehen. Länge leitet man stündlich bei 400° C ein Gemischnot necessary to start from vanadium pentoxide. A mixture is passed at 400 ° C. every hour
Vielmehr kann man hierzu auch die entsprechende aus 2000 1 Luft und 83 g dampfförmigem o-XylolRather, you can also use the corresponding mixture of 2000 liters of air and 83 g of vaporous o-xylene
Menge einer anderen Vanadinverbindung, z. B. des von 9i!°/oiger Reinheit.Amount of another vanadium compound, e.g. B. that of 90% purity.
Oxalates verwenden und das Vanadinpentoxid als- Hieraus erhält man Phthalsäure nhydrid und Madann im beschichteten Trägermaterial durch Luft- 4° leinsäureanhydrid im Gewichtsverhältnis 1 :0,059, oxidation bei Temperaturen von 350 bis 600° C, ins- und zwar in einer Gewichtsausbeute, auf die Menge besondere bis 550° C hieraus entwickeln. von reinem o-Xylol ( = 100%) berechnet, vonUse oxalates and the vanadium pentoxide as- This gives phthalic acid hydride and Madann in the coated carrier material with air-4 ° linic anhydride in a weight ratio of 1: 0.059, oxidation at temperatures of 350 to 600 ° C, in particular in a weight yield on the amount develop special ones up to 550 ° C from this. calculated from pure o-xylene (= 100%), from
Der erfindungsgemäße Trägerkatalysator eignet 108,3% am ersten Tag und von 111,0 °/o vom zweisich
für die Beschleunigung und Lenkung von orga- ten Tag an konstant bleibend. Dieser Gleichgewichtsnischen Oxidationsreaktionen, vor allem für die Oxi- 45 zustand stellt sich mit einem lithiumfreien Katalysadation
von aromatischen oder ungesättigten aliphati- tor vergleichbarer Beschaffenheit erst am 15. Tag ein.
sehen Kohlenwasserstoffen zu Carbonsäuren und Beisr>iel 2
Carbonsäureanhydriden. Besondere großtechnische PThe supported catalyst according to the invention is suitable for 108.3% on the first day and 111.0% on the first day for acceleration and steering, which remains constant from the day onwards. These equilibrium niches of oxidation reactions, especially for the oxy state, do not occur until the 15th day with a lithium-free catalysis of aromatic or unsaturated aliphatic compounds of a comparable nature. see hydrocarbons to carboxylic acids and example 2
Carboxylic acid anhydrides. Special large-scale P
Bedeutung hat dieser Katalysator für die Herstellung Man stellt einen Trägerkatalysator auf die in Bei-This catalyst is important for the production. A supported catalyst is placed on the
von Phthalsäureanhydrid aus Naphthalin oder 5o spiel 1 angegebene Weise her, ersetzt die 0,3 g Li-of phthalic anhydride from naphthalene or 5o game 1 specified way, replaces the 0.3 g Li
o-Xylol sowie ferner für die Herstellung von Malein- thiumacetat jedoch durch 0,58 g Zirkondioxid. Dero-xylene and also for the production of malein- thium acetate, however, with 0.58 g of zirconium dioxide. the
säureanhydrid aus Benzol, Butenen oder Butadien Zirkondioxidgehalt beträgt hierbei etwa 0,4 °/o desacid anhydride from benzene, butenes or butadiene, the zirconium dioxide content is about 0.4%
oder für die Herstellung von Pyromellithsäureanhy- Vanadinpentoxid- und des Titandioxidgehaltes,or for the production of pyromellitic anhy, vanadium pentoxide and titanium dioxide content,
drid aus Durol. Die mit diesem Katalysator erzielbare Ausbeute andrid made of Durol. The yield that can be achieved with this catalyst
Die Durchführung von Oxidationsreaktionen kann 55 Phthalsäureanhydrid du'ch Oxidation von o-XylolOxidation reactions can be carried out using phthalic anhydride by oxidizing o-xylene
in üblicher Weise wie bei Verwendung herkömm- beträgt unter den in Beispiel 1 geschilderten Ver-in the usual way as when using conventional amounts under the procedures described in Example 1
licher Katalysatoren erfolgen, also durch Überleiten Suchsbedingungen lO9,2°/o am ersten Tag undLicher catalysts take place, so by passing search conditions 109.2% on the first day and
eines gasförmigen Gemisches aus dem zu oxidieren- 111,5% vom zweiten Tag an. Mit einem entspre-of a gaseous mixture of the 111.5% to be oxidized from the second day on. With a corresponding
den Kohlenwasserstoff und Sauerstoff oder Sauerstoff chenden zirkonfreien Katalysator wird der Wertthe zirconium-free catalyst corresponding to the hydrocarbon and oxygen or oxygen becomes the value
enthaltenden Gasen wie Luft über den Trägerkata- 60 111,0 % erst nach 2 Wochen erreicht.containing gases such as air via the carrier catalytic converter 60 111.0% only reached after 2 weeks.
Claims (2)
konverbindung enthält. Bevorzugt sind solche Katalysatoren, in denen der1. Vanadium pentoxide and titanium dioxide contained It has now been found that a vanadium penttender supported catalyst, obtained by Aufbrin- 5 oxide and titanium dioxide-containing supported catalyst, gene an aqueous mixture of finely divided by applying an aqueous mixture of titanium dioxide and a vanadium compound on finely divided titanium dioxide and a Vanadmverbine an inert, non-porous support in such a way, dung on an inert, non-porous support in that the support is obtained after drying in a thin layer, that the support after drying with the catalytically active, titanium dioxide and Va io in a thin layer Coated with the catalytically active, titanium nadine pentoxide-containing compound, dioxide and vanadium pentoxide-containing compound and the finished supported catalyst is a layered and the finished supported catalyst has a vanadium pentoxide content of 0.05 to 3 percent by weight of vanadium pentoxide from 0.05 to 3 percent by weight has, dad Characterized by percent, the desired advantageous net that the aqueous mixture of titanium dioxide has 15 properties when the aqueous mixture of and the vanadium compound additionally contains a lithium titanium dioxide and the vanadium compound additionally contains thium and / or a zirconium compound, a lithium and / or a zirconium compound and the catalytically active mass that holds the carrier, and the catalytically active mass that coats the train with a layer thickness of 0.01 to 3 mm over ger in a layer thickness of 0.01 to 3 mm, 1 to 40 percent by weight vanadium pentoxide, 20%, 1 to 40 percent by weight vanadium pentoxide. 60 to 99 percent by weight of titanium dioxide and, based on the total amount of vanadium pentoxide and the total amount of vanadium pentoxide and oxide and titanium dioxide (= 100%), 0.01 to titanium dioxide (= 100%) °, o), 0.01 to 10 percent by weight 10 percent by weight lithium oxide or one in lithium oxide or an equivalent amount in relation to lithium equivalent to another lithium compound and an amount of another lithium compound and / or 0.01 to 50 By weight or 0.01 to 50 percent by weight of zirconium dioxide or percent by weight of zirconium dioxide or an amount equivalent in relation to zirconium to an amount equivalent to zirconium of another zirconium compound,
connection contains. Those catalysts are preferred in which the
nicht porösen Trägermaterial und einer darauf in Nach den bisherigen Beobachtungen hat lediglichFrom the French patent 14 80 078 45 halides, zirconium sulfate, zirconium formate, zirconium supported catalysts are known, which are made of an inert, oxalate and zirconium acetate into consideration,
non-porous carrier material and one on it according to previous observations only has
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US764623A US3565829A (en) | 1967-10-04 | 1968-10-02 | Supported catalysts containing vanadium pentoxide and titanium dioxide |
GB1238379D GB1238379A (en) | 1967-10-04 | 1968-10-03 | |
BE721850D BE721850A (en) | 1967-10-04 | 1968-10-04 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB0094792 | 1967-10-04 | ||
DEB0094792 | 1967-10-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1642938A1 DE1642938A1 (en) | 1971-05-19 |
DE1642938B2 DE1642938B2 (en) | 1976-02-05 |
DE1642938C3 true DE1642938C3 (en) | 1976-09-23 |
Family
ID=
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