US20070042904A1 - Fluid-bed catalyst for the preparation of ethylene and propylene by catalytic cracking - Google Patents
Fluid-bed catalyst for the preparation of ethylene and propylene by catalytic cracking Download PDFInfo
- Publication number
- US20070042904A1 US20070042904A1 US11/503,925 US50392506A US2007042904A1 US 20070042904 A1 US20070042904 A1 US 20070042904A1 US 50392506 A US50392506 A US 50392506A US 2007042904 A1 US2007042904 A1 US 2007042904A1
- Authority
- US
- United States
- Prior art keywords
- ethylene
- propylene
- fluid
- catalyst
- preparation
- 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.)
- Abandoned
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 91
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000005977 Ethylene Substances 0.000 title claims abstract description 78
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000004523 catalytic cracking Methods 0.000 title claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 22
- 238000005336 cracking Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 61
- 239000002808 molecular sieve Substances 0.000 claims description 40
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 239000002131 composite material Substances 0.000 claims description 23
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 19
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 229910021536 Zeolite Inorganic materials 0.000 claims description 17
- 229910052680 mordenite Inorganic materials 0.000 claims description 17
- 239000010457 zeolite Substances 0.000 claims description 17
- 150000001336 alkenes Chemical class 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 22
- 238000006243 chemical reaction Methods 0.000 abstract description 19
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 54
- 239000011259 mixed solution Substances 0.000 description 49
- 239000000047 product Substances 0.000 description 26
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 16
- 239000005696 Diammonium phosphate Substances 0.000 description 15
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 15
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 15
- 235000019838 diammonium phosphate Nutrition 0.000 description 15
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 12
- 235000012239 silicon dioxide Nutrition 0.000 description 12
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 8
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 8
- 229940010552 ammonium molybdate Drugs 0.000 description 8
- 235000018660 ammonium molybdate Nutrition 0.000 description 8
- 239000011609 ammonium molybdate Substances 0.000 description 8
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 8
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 8
- 229910002651 NO3 Inorganic materials 0.000 description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 7
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 238000005245 sintering Methods 0.000 description 7
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 235000010333 potassium nitrate Nutrition 0.000 description 5
- 239000004323 potassium nitrate Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 4
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 4
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 4
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 4
- 239000012188 paraffin wax Substances 0.000 description 4
- 239000001294 propane Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000001164 aluminium sulphate Substances 0.000 description 3
- 235000011128 aluminium sulphate Nutrition 0.000 description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 3
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011369 resultant mixture Substances 0.000 description 3
- 235000019795 sodium metasilicate Nutrition 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000001117 sulphuric acid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical compound O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000002352 steam pyrolysis Methods 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910008253 Zr2O3 Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical compound [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8877—Vanadium, tantalum, niobium or polonium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/02—Carriers therefor
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- 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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
- B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/072—Iron group metals or copper
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/68—Vanadium, niobium, tantalum or compounds thereof
- C08F4/685—Vanadium or compounds thereof in combination with titanium or compounds thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/69—Chromium, molybdenum, tungsten or compounds thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/42—Addition of matrix or binder particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/20—C2-C4 olefins
-
- 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
Definitions
- the present invention relates to a fluid-bed catalyst for the preparation of ethylene and propylene by catalytic cracking, and in particular, a fluid-bed catalyst for the preparation of ethylene and propylene by catalytically cracking naphtha.
- an oxide catalyst comprising manganese oxide or ferric oxide as the active component, the rare earth element La and the alkaline earth metal Mg is used for cracking C 3 and C 4 raw materials.
- the Mn,Mg/Al 2 O 3 catalyst is put in a fixed-bed reactor in a laboratory, the temperature is 700° C., the mol ratio of water to butane is 1:1, the butane conversion may reach 80%, and the ethylene and propylene selectivities are 34% and 20%, respectively. It is alleged in said two patents that naphtha and fluid-bed reactors are also usable.
- the patent CN1317546A of Enichem SPA relates to a catalyst of the chemical formula 12CaO.7Al 2 O 3 for steam pyrolysis reactions.
- the raw material may be naphtha, the operational temperature is from 720 to 800° C., the pressure is from 1.1 to 1.8 atm, the contact time is from 0.07 to 0.2 second, and the ethylene and propylene yield may reach 43%.
- the patent CN1480255A introduces an oxide catalyst for the preparation of ethylene and propylene by catalytically cracking the raw material naphtha at a temperature of 780° C., wherein the ethylene and propylene yield may reach 47%.
- the technical problems to be solved by the present invention are to remove the disadvantages of the prior catalytic cracking technology, including a high reaction temperature, and low activities and poor selectivities of the catalyst at a low temperature.
- the present invention provides a novel fluid-bed catalyst for the preparation of ethylene and propylene by catalytic cracking. Said catalyst has the advantages of a low reaction temperature, superior catalytic activities, and high selectivity for ethylene and propylene.
- a fluid-bed catalyst for the preparation of ethylene and propylene by catalytic cracking comprising a support selected from at least one of SiO 2 , Al 2 O 3 , molecular sieves and composite molecular sieves, and a composition of the following chemical formula based on stoichiometric ratio: Mo 1.0 V a A b B c C d O X , wherein A is selected from at least one element of Groups VIII, IB, IIB, VIIB, VIB, IA and IIA; B is selected from at least one of rare earth elements; C is selected from at least one of Bi and P; a is from 0.01 to 0.5; b is from 0.01 to 0.5; c is from 0.01 to 0.5; d is from 0 to 0.5; and X represents the total number of oxygen atoms that meets the valances of the elements in the catalyst, wherein the molecular sieves and composite molecular sieves, and a composition of the following chemical formula based on
- a is preferably from 0.01 to 0.3
- b is preferably from 0.01 to 0.3
- c is preferably from 0.01 to 0.3
- d is preferably from 0.01 to 0.3.
- the element of Group VIII is preferably selected from at least one of Fe, Co and Ni
- the element of Group IB is preferably selected from at least one of Cu and Ag
- the element of Group IIB is preferably Zn
- the element of Group VIIB is preferably selected from at least one of Mn and Re
- the element of Group VIB is preferably selected from at least one of Cr, Mo and W
- the element of Group IA is preferably selected from at least one of Li, Na and K
- the element of Group IIA is preferably selected from at least one of Ca, Mg, Sr and Ba.
- the rare earth element is preferably selected from at least one of La and Ce.
- the ratio of Mo: Cr is 1:0.01 to 0.5 based on stoichiometric ratio.
- the molecular sieve is selected from at least one of ZSM-5, Y zeolite, mordenite and ⁇ zeolite, and the composite molecular sieve is selected from at least one of ZSM-5/mordenite, ZSM-5/Y zeolite and ZSM-5/ ⁇ zeolite.
- the silica-alumina mol ratios, SiO 2 /Al 2 O 3 , of said molecular sieve and said composite molecular sieve are from 10 to 500, preferably from 20 to 300.
- the amount of the catalyst support as used is preferably from 30 to 50% by weight on the basis of the weight of the catalyst.
- the fluid-bed catalyst of the present invention for the preparation of ethylene and propylene by catalytic cracking is useful for catalytically cracking heavy oil, light diesel oil, light gasoline, catalytically cracked gasoline, gas oil, condensate oil, C 4 olefin or C 5 olefin.
- the catalyst of the present invention is prepared by the following process; the raw material Mo is from ammonium molybdate or phospho-molybdic acid, V is from ammonium metavanadate or vanadium pentoxide, Bi is from bismuth nitrate, A elements are from the corresponding nitrate, oxalate, acetate, oxide or soluble halide, B elements are from the corresponding nitrate, oxalate, acetate, oxide or soluble halide, and phosphorus is from phosphoric acid, triammonium phosphate, diammonium phosphate, ammonium biphosphate; the catalyst is shaped by heating and refluxing a slurry comprising the component elements and a support in a water bath at a temperature of 70 to 80° C. for 5 hours, spray drying the slurry, and sintering the resultant powder in a muffle furnace at a temperature of 600 to 750° C. for 3 to 10 hours.
- a series of transition metals and rare earth metals having cryosorption property, oxidation reduction property and dual functional acidic and basic sites complexation are used, which have relatively high low-temperature activities and play an oxidation catalysis effect on the raw materials.
- the catalyst is used in a reaction of catalytically cracking naphtha, resulting in a total yield of ethylene and propylene of up to 45.3% and achieving a better technical effect.
- the relevant catalyst is checked and evaluated with naphtha as the raw material (see Table 1 for specific indices).
- the reaction temperature ranges from 600 to 650° C.
- the load of the catalyst is from 0.5 to 2 g naphtha/g catalyst ⁇ h
- the weight ratio of water to naphtha is 1.5 to 3:1.
- the internal diameter of the fluid-bed reactor is 39 mm
- the reaction pressure is from 0 to 0.2 MPa TABLE 1 Indices of the naphtha raw material Items data Density (at 20° C.) kg/m 3 704.6 Distillation range Initial distillation range ° C. 40 Final distillation range ° C.
- Solutions (I), (II) and (III) were mixed.
- the mixed solution was heated and stirred in a water bath at a temperature of 70 to 80° C. 26 g silica was measured and added into the mixed solution.
- the resultant solution was refluxed for 5 hours, and dried with a spray drier for shaping.
- the resultant powder was sieved, and put into a muffle furnace. The temperature was then elevated to 740° C. The powder was sintered for 5 hours. After it was cooled, the catalyst was sieved.
- the resultant catalyst was represented by the chemical formula: Mo 0.1 Bi 0.07 V 0.15 Cu 0.16 Ca 0.17 Ce 0.08 O X +30.6% support.
- the activities of the catalyst were evaluated under the following conditions: a fluid-bed reactor having an internal diameter of 39 mm, a reaction temperature of 650° C., a pressure of 0.15 MPa, a weight ratio of water to naphtha of 3:1, a loading amount of the catalyst of 20 g, and a load of 1 g naphtha/g catalyst h.
- the gaseous products were gathered for gas chromatography. The product distribution is shown in Table 2.
- Solutions (I) and (II) were prepared according to the steps described in Example 1. 10.91 g ferric nitrate, 3.73 g nickel nitrate, 5.85 g lanthanium nitrate and 1.1 g potassium nitrate were measure and dissolved in 250 ml water, thus to prepare solution (III).
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.15 Fe 0.16 Ni 0.08 K 0.06 La 0.08 O X +30.06% support.
- Solutions (I) and (II) were prepared according to the steps described in Example 1. 7.86 g cobalt nitrate, 1.68 g barium nitrate, 2.79 g cerium nitrate and 1.30 g potassium nitrate were measure and dissolved in 250 ml water, thus to prepare solution (III).
- Solutions (I), (II) and (III) were mixed.
- the mixed solution was heated and stirred, and then 30 g silicon dioxide and 1.5 g aluminium oxide were added into the solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.15 Co 0.16 Ba 0.04 K 0.04 Ce 0.08 O X +37.5% support.
- the activities of the catalyst were evaluated under the conditions described in Example 1.
- the yields of the products were as follows: an ethylene yield of 29.89%, a propylene yield of 7.37% and an ethylene+propylene yield of 37.25%.
- Solutions (I) and (II) were prepared according to the steps described in Example 1. 3.73 g cobalt nitrate, 3.10 g copper nitrate, 2.79 g cerium nitrate and 1.30 g potassium nitrate were measure and dissolved in 250 ml water, thus to prepare solution (III).
- Solutions (I), (II) and (III) were mixed.
- the mixed solution was heated and stirred, and then 15 g silicon dioxide and 11 g H-ZSM-5 molecular sieve having a silica-alumina ratio of 150 were added into the solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.15 Co 0.08 Cu 0.08 K 0.08 Ce 0.04 O X +34.3% support.
- the activities of the catalyst were evaluated under the conditions described in Example 1
- the yields of the products were as follows: an ethylene yield of 25.55%, a propylene yield of 16.73% and an ethylene+propylene yield of 42.28%.
- Solutions (I) and (II) were prepared according to the steps described in Example 1. 7.86 g cobalt nitrate, 0.8 g zinc nitrate and 5.85 g lanthanium nitrate were measure and dissolved in 250 ml water, thus to prepare solution (III).
- Solutions (I), (II) and (III) were mixed.
- the mixed solution was heated and stirred, and then 20 g silicon dioxide and 6 g H-mordenite having a silica-alumina ratio of 20 were added into the solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.15 Co 0.16 Zn 0.02 La 0.08 O X +32.7% support.
- the activities of the catalyst were evaluated under the conditions described in Example 1.
- the yields of the products were as follows: an ethylene yield of 28.57%, a propylene yield of 13.69% and an ethylene+propylene yield of 42.26%.
- Solutions (I) and (II) were prepared according to the steps described in Example 1. 7.86 g cobalt nitrate, 3.10 g copper nitrate and 5.85 g lanthanium nitrate were measure and dissolved in 250 ml water, thus to prepare solution (III).
- Solutions (I), (II) and (III) were mixed.
- the mixed solution was heated and stirred, and then 18 g aluminium oxide and 8 g H- ⁇ zeolite having a silica-alumina ratio of 30 were added into the solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.15 Cu 0.16 Cu 0.08 La 0.08 O X +31.8% support.
- the activities of the catalyst were evaluated under the conditions described in Example 1.
- the yields of the products were as follows: an ethylene yield of 28.85%, a propylene yield of 12.58% and an ethylene+propylene yield of 41.43%.
- Solutions (I) and (II) were prepared according to the steps described in Example 1. 7.86 g cobalt nitrate, 6.39 g chromium nitrate, 5.86 g cerium nitrate and 2.60 g potassium nitrate were measure and dissolved in 250 ml water, thus to prepare solution (III).
- Solutions (I), (II) and (III) were mixed.
- the mixed solution was heated and stirred, and then 18 g aluminium oxide and 8 g H-ZSM-5 molecular sieve having a silica-alumina ratio of 40 were added into the solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.15 Co 0.16 Cr 0.09 K 0.15 Ce 0.08 O X +30.6% support.
- the activities of the catalyst were evaluated under the conditions described in Example 1.
- the yields of the products were as follows: an ethylene yield of 33.74%, a propylene yield of 10.37% and an ethylene+propylene yield of 44.01%.
- Solutions (I) and (II) were prepared according to the steps described in Example 1. 10.91 g ferric nitrate, 0.80 g zinc nitrate and 2.2 g lanthanium oxide were measure and dissolved in 250 ml water. An appropriate amount of nitric acid was dripped into the mixture till the precipitates were completely dissolved, thus to prepare solution (III).
- Solutions (I), (II) and (III) were mixed.
- the mixed solution was heated and stirred, and then 10 g silicon dioxide, 1 g aluminium oxide, 10 g H-ZSM-5 molecular sieve having a silica-alumina ratio of 200, and 5 g H-mordenite having a silica-alumina ratio of 30 were added into the solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.15 Fe 0.16 Zn 0.02 La 0.08 O X +33.0% support.
- the activities of the catalyst were evaluated under the conditions described in Example 1.
- the yields of the products were as follows: an ethylene yield of 32.29%, a propylene yield of 8.22% and an ethylene+propylene yield of 40.51%.
- solution (II) 30 g ammonium molybdate, 7.61 g ferric nitrate, 10.88 g chromium nitrate and 4.08 g lanthanium nitrate were measured and dissolved in 250 ml water to prepare solution (II). 2.24 g diammonium phosphate was dissolved in 100 ml water. After the diammonium phosphate aqueous solution was added into solution (II), precipitates were generated.
- Solution (I) was added into solution (II).
- the mixed solution was heated and stirred in a water bath at a temperature of 70 to 80° C.
- 16 g silicon dioxide, 2 g aluminium oxide, 8 g H-MCM-22 molecular sieve having a silica-alumina ratio of 40 and 7 g H- ⁇ zeolite having a silica-alumina ratio of 30 were measured and added into the mixed solution.
- the resultant mixture were refluxed for 5 hours and dried with a spray drier for shaping.
- the resultant powder was sieved and put into a muffle furnace. Then the temperature was elevated to 740° C. The powder was sintered for 5 hours. After it was cooled, the catalyst was ground into powder in a grinder and passed through a 100-mesh sieve.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 V 0.15 P 0.10 Fe 0.11 Cr 0.16 La 0.06 O X +34.1% support.
- the activities of the catalyst were evaluated under the following conditions: a fluid-bed reactor having an internal diameter of 39 mm, a reaction temperature of 650° C., a pressure of 0.15 MPa, a weight ratio of water to naphtha of 3:1, a loading amount of the catalyst of 20 g, and a load of 1 g naphtha/g catalyst ⁇ h.
- the gaseous products were gathered for gas chromatography. The product distribution is shown in Table 4.
- Solution (I) was prepared according to the steps described in Example 9.
- solution (II) 30 g ammonium molybdate, 7.61 g ferric nitrate, 5.88 g zinc nitrate and 5.60 g cerium nitrate were measured and dissolved in 250 ml water to prepare solution (II). 2.24 g diammonium phosphate was dissolved in 100 ml water. The diammonium phosphate aqueous solution was added into solution (II), and then, solution (I) was added into solution (II). The mixed solution was heated and stirred in a water bath at a temperature of 70 to 80° C. 16 g silicon dioxide, 2 g aluminium oxide, and 18 g H-ZSM-5/mordenite composite molecular sieve having a silica-alumina ratio of 20, which was prepared above, were then added into the mixed solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 V 0.15 P 0.10 Fe 0.11 Zn 0.12 Ce 0.08 O X +37.8% support.
- Solution (I) was prepared according to the steps described in Example 9.
- solution (II) 30 g ammonium molybdate, 7.61 g ferric nitrate, 7.29 g nickel nitrate, 5.60 g lanthanium nitrate and 5.18 g calcium nitrate were measured and dissolved in 250 ml water to prepare solution (II). 2.24 g diammonium phosphate was dissolved in 100 ml water. The diammonium phosphate aqueous solution was added into solution (II), and then, solution (I) was added into solution (II). The mixed solution was heated and stirred in a water bath at a temperature of 70 to 80° C. 16 g silicon dioxide, 2 g aluminium oxide, and 18 g H-ZSM-5/Y zeolite composite molecular sieve having a silica-alumina ratio of 20, which was prepared above, were then added into the mixed solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 V 0.15 P 0.10 Fe 0.11 Ni 0.15 Ca 0.13 La 0.08 O X +35.2% support.
- the activities of said catalyst were evaluated under the conditions described in Example 9.
- the yields of the products were as follows: an ethylene yield of 25.97%, a propylene yield of 15.52% and an ethylene+propylene yield of 41.49%.
- the mixed solution was put into an autoclave and kept at a temperature of 160° C. for 40 hours. Then, it was taken out, washed with water, dried and sintered to produce a composite molecular sieve composed of mordenite and ⁇ zeolite.
- An ammonium nitrate solution having a concentration of 5% was used for interchange at 70° C. twice, and then sintering was carried out. The interchanging and sintering steps were repeated twice to produce a mordenite/ ⁇ zeolite composite molecular sieve.
- Solution (I) was prepared according to the steps described in Example 9.
- solution (II) 30 g ammonium molybdate, 7.61 g ferric nitrate, 7.29 g nickel nitrate, 5.44 g cerium nitrate and 6.30 g copper nitrate were measured and dissolved in 250 ml water to prepare solution (II).
- 2.24 g diammonium phosphate was dissolved in 100 ml water.
- the diammonium phosphate aqueous solution was added into solution (II), and then, solution (I) was added into solution (II).
- the mixed solution was heated and stirred in a water bath at a temperature of 70 to 80° C. 16 g silicon dioxide, 2 g aluminium oxide, and 18 g mordenite/ ⁇ zeolite composite molecular sieve having a silica-alumina ratio of 20, which was prepared above, were then added into the mixed solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 V 0.15 P 0.10 Fe 0.11 Ni 0.15 Cu 0.15 Ce 0.07 O X +35.2% support.
- the activities of said catalyst were evaluated under the conditions described in Example 9.
- the yields of the products were as follows: an ethylene yield of 29.53%, a propylene yield of 12.69% and an ethylene+propylene yield of 42.22%.
- Solution (I) was prepared according to the steps described in Example 9.
- solution (II) 30 g ammonium molybdate, 5.49 g cobalt nitrate, 5.60 g zinc nitrate, 5.44 g cerium nitrate and 1.10 g potassium nitrate were measured and dissolved in 250 ml water to prepare solution (II). 2.24 g diammonium phosphate was dissolved in 100 ml water. The diammonium phosphate aqueous solution was added into solution (II), and then, solution (I) was added into solution (II). The mixed solution was heated and stirred in a water bath at a temperature of 70 to 80° C.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 V 0.15 P 0.10 Co 0.11 Zn 0.11 K 0.06 Ce 0.07 O X +36.7% support.
- the activities of said catalyst were evaluated under the conditions described in Example 9.
- the yields of the products were as follows: an ethylene yield of 36.53%, a propylene yield of 8.59% and an ethylene+propylene yield of 45.12%.
- Solution (I) was prepared according to the steps described in Example 9.
- solution (II) 30 g phospho-molybdic acid, 5.89 g bismuth nitrate, 5.49 g cobalt nitrate, 5.32 g nickel nitrate, 5.44 g cerium nitrate and 10.81 g 50% manganese nitrate solution were measured and dissolved in 250 ml water to prepare solution (II). 2.24 g diammonium phosphate was dissolved in 100 ml water. The diammonium phosphate aqueous solution was added into solution (II), and then, solution (I) was added into solution (II). The mixed solution was heated and stirred in a water bath at a temperature of 70 to 80° C. 30 g silicon dioxide and 2 g aluminium oxide were then added into the mixed solution.
- the resultant catalyst was represented by the chemical formula: Mo 1.0 Bi 0.07 V 0.13 P 0.17 Co 0.1 Ni 0.1 Mn 0.16 Ce 0.07 O X +30.3% support.
- the activities of said catalyst were evaluated under the conditions described in Example 9.
- the yields of the products were as follows: an ethylene yield of 36.12%, a propylene yield of 6.67% and an ethylene+propylene yield of 42.79%.
- a mixed solution was prepared according to the steps described in Example 1.5 g H-ZSM-5 molecular sieve having a silica-alumina ratio of 150 and 10 g silicon dioxide were added as support into the mixed solution.
- a catalyst represented by the chemical formula Mo 0.1 Bi 0.07 V 0.15 Co 0.16 Ca 0.17 Ce 0.08 O X +20.2% support was prepared according to the same method. It was checked and evaluated by the method described in Example 1. The results are shown in Table 6”, which is at the first line of the page 19 of the description, to “The ethylene yield was 15.25%, the propylene yield was 30.68% and the total yield of ethylene and propylene was 45.93%.
- a mixed solution was prepared according to the steps described in Example 1.500 g distilled water was added to dilute the mixed solution. 60 g H-ZSM-5/mordenite composite molecular sieve having a silica-alumina ratio of 20, 100 g H-ZSM-5 molecular sieve having a silica-alumina ratio of 200, 40 g ⁇ zeolite having a silica-alumina ratio of 30 and 22 g silicon dioxide were added into the diluted mixed solution.
- a catalyst represented by the chemical formula Mo 0.1 Bi 0.07 V 0.15 Co 0.16 Ca 0.17 Ce 0.08 O X +79.2% support was prepared according to the method described in Example 1. It was checked and evaluated by the method described in Example 1. The ethylene yield was 14.43%, the propylene yield was 32.17% and the total yield of ethylene and propylene was 46.60%.
- Example 1 The catalyst prepared in Example 1 was used. Light diesel oil having a boiling point of lower than 350° C. was used as reaction material. Evaluation was carried out under the conditions described in Example 1. The ethylene yield was 29.14%, the propylene yield was 10.55% and the total yield of ethylene and propylene was 39.69%.
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CNB2005100287977A CN100408526C (zh) | 2005-08-15 | 2005-08-15 | 催化裂解生产乙烯丙烯的方法 |
CNB2005100287962A CN100443168C (zh) | 2005-08-15 | 2005-08-15 | 用于催化裂解制乙烯丙烯的流化床催化剂 |
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CNB2005100287958A CN100430134C (zh) | 2005-08-15 | 2005-08-15 | 催化裂解制乙烯丙烯的流化床催化剂 |
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Also Published As
Publication number | Publication date |
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JP5465822B2 (ja) | 2014-04-09 |
JP2007050404A (ja) | 2007-03-01 |
KR101270191B1 (ko) | 2013-05-31 |
US7686942B2 (en) | 2010-03-30 |
US20090137857A1 (en) | 2009-05-28 |
KR20070020355A (ko) | 2007-02-21 |
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