CN109420524A - A kind of coking additive and preparation method thereof improving product yield - Google Patents
A kind of coking additive and preparation method thereof improving product yield Download PDFInfo
- Publication number
- CN109420524A CN109420524A CN201710725363.5A CN201710725363A CN109420524A CN 109420524 A CN109420524 A CN 109420524A CN 201710725363 A CN201710725363 A CN 201710725363A CN 109420524 A CN109420524 A CN 109420524A
- Authority
- CN
- China
- Prior art keywords
- molecular sieve
- product yield
- transition metal
- carrier
- improving product
- Prior art date
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- 238000004939 coking Methods 0.000 title claims abstract description 43
- 239000000654 additive Substances 0.000 title claims abstract description 39
- 230000000996 additive effect Effects 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000002808 molecular sieve Substances 0.000 claims abstract description 72
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 34
- 150000003624 transition metals Chemical class 0.000 claims abstract description 34
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010936 titanium Substances 0.000 claims abstract description 28
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 28
- 239000002105 nanoparticle Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000000047 product Substances 0.000 claims description 30
- 239000002002 slurry Substances 0.000 claims description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000012265 solid product Substances 0.000 claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 239000008139 complexing agent Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 5
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 claims description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
- 239000002923 metal particle Substances 0.000 claims description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 claims description 4
- 229940039790 sodium oxalate Drugs 0.000 claims description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- 238000005360 mashing Methods 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- KBIWNQVZKHSHTI-UHFFFAOYSA-N 4-n,4-n-dimethylbenzene-1,4-diamine;oxalic acid Chemical group OC(=O)C(O)=O.CN(C)C1=CC=C(N)C=C1 KBIWNQVZKHSHTI-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 235000005979 Citrus limon Nutrition 0.000 claims 2
- 244000131522 Citrus pyriformis Species 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 16
- 239000003921 oil Substances 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 13
- 239000010779 crude oil Substances 0.000 abstract description 10
- 238000005336 cracking Methods 0.000 abstract description 8
- 238000004523 catalytic cracking Methods 0.000 abstract description 7
- 239000000295 fuel oil Substances 0.000 abstract description 5
- 239000003079 shale oil Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000009257 reactivity Effects 0.000 abstract description 3
- 238000004227 thermal cracking Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 15
- 239000000571 coke Substances 0.000 description 14
- 239000008367 deionised water Substances 0.000 description 14
- 229910021641 deionized water Inorganic materials 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 7
- VWDWKYIASSYTQR-YTBWXGASSA-N sodium;dioxido(oxo)azanium Chemical compound [Na+].[O-][15N+]([O-])=O VWDWKYIASSYTQR-YTBWXGASSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 4
- 229910052901 montmorillonite Inorganic materials 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 239000002007 Fuel grade coke Substances 0.000 description 3
- 150000001491 aromatic compounds Chemical class 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002006 petroleum coke Substances 0.000 description 3
- 239000001509 sodium citrate Substances 0.000 description 3
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000004231 fluid catalytic cracking Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/89—Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium
-
- 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
- B01J29/005—Mixtures of molecular sieves comprising at least one molecular sieve which is not an aluminosilicate zeolite, e.g. from groups B01J29/03 - B01J29/049 or B01J29/82 - B01J29/89
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/393—Metal or metal oxide crystallite size
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/396—Distribution of the active metal ingredient
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
- B01J37/18—Reducing with gases containing free hydrogen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/12—Applying additives during coking
-
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- 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
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
-
- 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
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/084—Y-type faujasite
-
- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- 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
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7007—Zeolite Beta
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
Abstract
The present invention provides a kind of coking additive and preparation method thereof for improving product yield, it is in terms of 100% by weight of additive, the additive includes following components: carrier 60-85wt%, and nano particle transition metal embeds Titanium Sieve Molecular Sieve 10-35wt%, selects type molecular sieve 1-10wt%.The ratio of light oil in pyrogenetic reaction can be improved in the additive, there is preferable reactivity again simultaneously, it ensure that higher processing of heavy oil benefit, it can be by realizing that the raw material derivative cracking coking process for surmounting usually existing thermal cracking provides additional catalytic cracking ability (or upgrade-system for shale oil, Tar sands etc.) for crude oil refineries.
Description
Technical field
The present invention relates to coking technology fields, more specifically, more particularly to a kind of coking additive and preparation method thereof.
Background technique
Hot coking process is developed from 20th century the '30s to help crude oil refineries to handle " residue oil
(bottom of the barrel)".In general, modern hot coking process using high-intensitive thermal decomposition (or " cracking ") so that
Very the low value resids raw material of heavy to higher-value low boiling point hydrocarbon product conversion maximize.These coking process
Raw material is usually made of refinery processes logistics, and the refinery processes logistics economically cannot further be distilled, be catalyzed and split
Change or is handled in other ways to prepare fuel-grade and logistics is blended.Typically, since ash and metal make fouling of catalyst
And/or inactivation, these substances are not suitable for catalyst operation.Common coking raw material includes air-distillation residual oil, vacuum distillation slag
Oil, cat cracker Residual oil, hydrocracker Residual oil and the Residual oil derived from other refinery units.
Due to bigger availability and lower cost, crude oil refineries are regularly often in their crude oil blend
The middle use for increasing heavier crude oil.The crude oil of these heaviers has ' residue oil ' component of greater proportion, increases focusing
Change the needs of equipment capacity.Therefore, coker frequently becomes the bottleneck of limitation oil plant output.In addition, these compared with
The crude oil of heavy often includes the big aromatic structure (for example, asphalitine and resin) of higher concentration, these big aromatic structures
Include greater concentrations of sulphur, nitrogen and heavy metal (such as vanadium and nickel).As a result, pyrogenetic reaction (or mechanism) is dramatically different, and
The coke crystal structure (or form) for tending to produce denser, granular (relative to spongy), in petroleum coke and coking
It include the undesirable pollutant of higher concentration in gas oil.Therefore, coking process has by the development of several years in technical aspect
Many improvement.
But the quality of petroleum coke that many of these technological improvements all significantly reduce.The technology changes
Most of and more heavy sour crude oils in tend to that petroleum coke is made to become ' grain from porous ' spongy ' coke
Shape ' coke (the two is all the term in this field), ' granular ' coke have the undesirable impurity of higher concentration:
Sulphur, nitrogen, vanadium and iron.In some oil plants, the variation of coke quality may need Coke Market (for example, anode grade is to fuel
Grade) great change and significant reduce coke value.In other oil plants, the variation of technology and relevant material composition change drop
The low fuel grade coke with lower volatile matter (VM), gross calorific value (GHV) and Hardgrove grindability index (GHI)
Quality.All of these factors taken together all makes fuel grade coke less cater to the need in the U.S., and is permitted in this fuel grade coke
It is transported to abroad, or even for the coal-fired power station boiler of adjacent property more.In this way, coke value is further reduced.
United States Patent (USP) US4394250 describes a kind of delay coking process, wherein hydrocarbon raw material is fed to coking drum
In before add a small amount of Cracking catalyst and hydrogen thereto, with improve distillate yield and reduce coke generate.Catalyst
It is precipitated out in coke, does not influence the utilization of coke.
United States Patent (USP) US4358366 describes a kind of delay coking process, wherein to by shale oil material and petroleum residual oil
A small amount of hydrogen and hydrogen-transfer catalyst, hydrogenation catalyst, and/or hydrocracking catalyst are added in the coker raw material of composition
Agent, to improve the yield of product liquid.
A kind of method for improving liquid product yield is disclosed in Chinese patent CN97193162, and a kind of heating is added not
The method of coking hydrocarbon diluent improves the temperature of liquid in coke drum.The noncoking diluent of heating is added in coke drum.It is burnt
The raising of charcoal tower temperature degree increases liquid yield, and coking yield is reduced.
This known technology adds catalyst into coker raw material, and the coker raw material has and the present invention
The dramatically different chemically and physically characteristic of reactant.The coker raw material of known technology is typically higher than by theoretical boiling point
The aromatic compounds (for example, asphalitine, resin etc.) of the very heavy of 1000 degrees Fahrenheits forms.Thus, with urging for known technology
The main reactant of agent contact is that coking (compared with cracking) is inclined to much higher heavy aromatic compounds, is especially exposed
The heavy aromatic compounds of high vanadium and nickel content in coker raw material.Moreover, the minerals in coker raw material
Tend to play the role of the seeding agent for further promoting coking.Calcium, sodium and iron compound in known coker raw material/
Particle increases coking, especially in coker feed heater.
Summary of the invention
The purpose of the present invention is to provide a kind of coking additives and preparation method thereof for improving product yield.
To achieve the above object, the present invention provides a kind of coking additive for improving product yield, is with weight of additive
100% meter, including following components: carrier 60-85wt%, nano particle transition metal embed Titanium Sieve Molecular Sieve 10-35wt%, select
Type molecular sieve 1-10wt%.
Further, the transition metal is one of iron, cobalt, nickel, copper or a variety of.
Further, the carrier is one or more of montmorillonite, natural clay, aluminium oxide and kaolin.
Further, the type molecular sieve of selecting is one or more of ZSM-5, Beta and Y type molecular sieve.
Further, the carrier is the carrier by high-temperature roasting.
To achieve the above object, the present invention also provides a kind of preparation method of coking additive for improving product yield, packets
Include following steps:
Carrier water is beaten uniformly by step 1, and the solid content of slurries is 30-70%, and carrier pulp is made；
Step 2, will select type molecular sieve and nano particle transition metal embeds the mashing of Titanium Sieve Molecular Sieve water uniformly, slurries
Solid content be 30-70%, be made molecular sieve pulp；
Step 3 mixes carrier pulp, molecular sieve pulp, obtains the additive slurries that solid content is 30-70%, is used in combination
PH adjusts liquid and adjusts pH to 10-12；
Mixed additive slurries are spray-dried by step 4, and coking additive is made.
Further, pH described in step 3 adjust liquid be the sodium hydroxide of 0.1-1mol/L, sodium carbonate, potassium carbonate or
Potassium hydroxide solution.
Further, carrier pulp and the operation temperature of molecular sieve pulp mixing are 50-80 DEG C in step 3.
Further, the preparation method that the nano particle transition metal embeds Titanium Sieve Molecular Sieve includes the following steps:
Step 1 mixes complexing agent with transition metal source solution, stirs 0.4-0.6h；Titanium Sieve Molecular Sieve powder is added,
Stir 1-3h；Mixed gel is fitted into synthesis reactor, at autogenous pressures, keeps 2-4d at 100 DEG C~120 DEG C；
Step 2 is washed with deionized after the reaction was completed and isolates solid product, with ethanol solution to solid product into
Solid product, is then transferred in closed container at 350-450 DEG C and leads to hydrogen reducing by row washing, and reduction 3-5h is produced
Object.
Further, the nano particle transition metal embeds the transition metal particles in Titanium Sieve Molecular Sieve having a size of 2-3
Nanometer.
Further, the transition metal source is one of iron, cobalt, nickel and copper or a variety of；The complexing agent is second two
One of sour tetraacethyl disodium, sodium oxalate, sodium citrate and tartaric acid are a variety of.
The present invention embeds Titanium Sieve Molecular Sieve using the nano particle transition metal of carrier surface load, by transition metal nanometer
Particle, which is embedded in Titanium Sieve Molecular Sieve, forms new structure catalyst, forms electrostatic by the absorption property in surface of metal particles and protects
Sheath realizes being stabilized for metal nano ion.The catalyst being prepared is compared than existing metal supported catalyst to be had more
High catalytic activity.
The beneficial effects of the present invention are: the ratio of light oil in pyrogenetic reaction can be improved in the additive, at the same have again compared with
Good reactivity, ensure that higher processing of heavy oil benefit, and the raw material of usually existing thermal cracking can be surmounted by realizing
Derivative cracking coking process and provide additional catalytic cracking ability (or for shale oil, Tar sands etc. for crude oil refineries
Upgrade-system).In some cases, the additional catalytic cracking in coking process can be enough to provide economic replacement to increase
Downstream cracking production capacity (for example, fluid catalytic cracking unit or hydrocracker) and/or for downstream catalytic cracking increase
Pretreatment of raw material；Preparation method is simple, is easily achieved.
Specific embodiment
The present invention provides a kind of coking additive for improving product yield, is in terms of 100% by weight of additive, including following
Component: carrier 60-85wt%, nano particle transition metal embed Titanium Sieve Molecular Sieve 10-35wt%, select type molecular sieve 1-
10wt%.
Further, the transition metal is one of iron, cobalt, nickel, copper or a variety of.
Further, the carrier is one or more of montmorillonite, natural clay, aluminium oxide and kaolin.
Further, the type molecular sieve of selecting is one or more of ZSM-5, Beta and Y type molecular sieve.
Further, the carrier is the carrier by high-temperature roasting.
To achieve the above object, the present invention also provides a kind of preparation method of coking additive for improving product yield, packets
Include following steps:
Carrier water is beaten uniformly by step 1, and the solid content of slurries is 30-70%, and carrier pulp is made；
Step 2, will select type molecular sieve and nano particle transition metal embeds the mashing of Titanium Sieve Molecular Sieve water uniformly, slurries
Solid content be 30-70%, be made molecular sieve pulp；
Step 3 mixes carrier pulp, molecular sieve pulp, obtains the additive slurries that solid content is 30-70%, is used in combination
PH adjusts liquid and adjusts pH to 10-12；
Mixed additive slurries are spray-dried by step 4, and coking additive is made.
Further, pH described in step 3 adjust liquid be the sodium hydroxide of 0.1-1mol/L, sodium carbonate, potassium carbonate or
Potassium hydroxide solution.
Further, carrier pulp and the operation temperature of molecular sieve pulp mixing are 50-80 DEG C in step 3.
Further, the preparation method that the nano particle transition metal embeds Titanium Sieve Molecular Sieve includes the following steps:
Step 1 mixes complexing agent with transition metal source solution, stirs 0.4-0.6h；Titanium Sieve Molecular Sieve powder is added,
Stir 1-3h；Mixed gel is fitted into synthesis reactor, at autogenous pressures, keeps 2-4d at 100 DEG C~120 DEG C；
Step 2 is washed with deionized after the reaction was completed and isolates solid product, with ethanol solution to solid product into
Solid product, is then transferred in closed container at 350-450 DEG C and leads to hydrogen reducing by row washing, and reduction 3-5h is produced
Object.
Further, the nano particle transition metal embeds the transition metal particles in Titanium Sieve Molecular Sieve having a size of 2-3
Nanometer.
Further, the transition metal source is one of iron, cobalt, nickel and copper or a variety of；The complexing agent is second two
One of sour tetraacethyl disodium, sodium oxalate, sodium citrate and tartaric acid are a variety of.
Technology of the invention is given below by example and is further explained.
Nano particle transition metal embeds the preparation of Titanium Sieve Molecular Sieve:
Embodiment 1
By the FeCl of 10g ethanedioic acid tetraacethyl disodium and 28.57g 35%3Solution mixing, stirs 0.5h；5g titanium silicon is added
Molecular sieve powder stirs 1h；Mixed gel is fitted into synthesis reactor, at autogenous pressures, keeps 2d at 100 DEG C；Instead
It after the completion of answering, is washed with deionized and isolates solid product, solid product is washed with ethanol solution, then by solid
Product, which is transferred in closed container at 350-450 DEG C, leads to hydrogen reducing, and reduction 3h obtains product.
Embodiment 2
By the Co (NO of 10g sodium oxalate and 50g 20%3)2Solution mixing, stirs 0.4h；5g Titanium Sieve Molecular Sieve powder is added,
Stir 2h；Mixed gel is fitted into synthesis reactor, at autogenous pressures, keeps 3d at 110 DEG C；After the reaction was completed, it uses
Solid product is isolated in deionized water washing, is washed with ethanol solution to solid product, is then transferred to solid product
Lead to hydrogen reducing in closed container at 350-450 DEG C, reduction 4h obtains product.
Embodiment 3
By the Ni (NO of 10g sodium citrate and 40g 25%3)2Solution mixing, stirs 0.6h；5g Titanium Sieve Molecular Sieve powder is added
3h is stirred at end；Mixed gel is fitted into synthesis reactor, at autogenous pressures, keeps 4d at 120 DEG C；After the reaction was completed,
It is washed with deionized and isolates solid product, solid product is washed with ethanol solution, then shifts solid product
Lead to hydrogen reducing at 350-450 DEG C into closed container, reduction 4h obtains product.
Heavy oil micro anti-evaluation condition: reaction raw materials are 230-100 DEG C of wax tailings, and reaction temperature is 500 DEG C, when reaction
Between be 70s, additive loading amount 5g.
Embodiment 4
The nano particle transition metal for taking 10g embodiment 1 to prepare embeds Titanium Sieve Molecular Sieve and 1gY type molecular sieve is added to
In 50g deionized water, 1h is persistently stirred, obtains the homogeneous slurry of molecular sieve.89g kaolin is taken to be added to 500g deionized water
In, 1h is persistently stirred, the homogeneous slurry of carrier is obtained.Molecular sieve pulp and carrier pulp are mixed under stiring, continue to stir
After 1h, pH to 10 is adjusted with the sodium hydroxide solution of 0.1mol/L, is spray-dried after being beaten 1h, by resulting product concentration
0.35%, the ammonium dibasic phosphate aqueous solution that temperature is 65 DEG C washes twice, dry at 110 DEG C.
Embodiment 5
The nano particle transition metal for taking 15g embodiment 2 to prepare embeds Titanium Sieve Molecular Sieve and 5g type ZSM 5 molecular sieve adds
Enter into 50g deionized water, persistently stir 1h, obtains the homogeneous slurry of molecular sieve.80g kaolin is taken to be added to 500g deionization
In water, 1h is persistently stirred, obtains the homogeneous slurry of carrier.Molecular sieve pulp and carrier pulp are mixed under stiring, continue to stir
After mixing 1h, pH to 11 is adjusted with the sodium carbonate liquor of 0.5mol/L, is spray-dried after being beaten 1h, by resulting product concentration
0.35%, the ammonium dibasic phosphate aqueous solution that temperature is 65 DEG C washes twice, dry at 110 DEG C.
Embodiment 6
The nano particle transition metal for taking 20g embodiment 3 to prepare embeds Titanium Sieve Molecular Sieve and 10gY type molecular sieve is added to
In 50g deionized water, 1h is persistently stirred, obtains the homogeneous slurry of molecular sieve.70g montmorillonite is taken to be added to 500g deionized water
In, 1h is persistently stirred, the homogeneous slurry of carrier is obtained.Molecular sieve pulp and carrier pulp are mixed under stiring, continue to stir
After 1h, pH to 12 is adjusted with the solution of potassium carbonate of 1mol/L, is spray-dried after being beaten 1h, by resulting product concentration
0.35%, the ammonium dibasic phosphate aqueous solution that temperature is 65 DEG C washes twice, dry at 110 DEG C.
Embodiment 7
The nano particle transition metal for taking 25g embodiment 2 to prepare embeds Titanium Sieve Molecular Sieve and 5gZSM-5 type molecular sieve is added
Into 50g deionized water, 1h is persistently stirred, obtains the homogeneous slurry of molecular sieve.70g montmorillonite is taken to be added to 500g deionized water
In, 1h is persistently stirred, the homogeneous slurry of carrier is obtained.Molecular sieve pulp and carrier pulp are mixed under stiring, continue to stir
After 1h, pH to 10 is adjusted with the potassium hydroxide solution of 0.1mol/L, is spray-dried after being beaten 1h, by resulting product concentration
0.35%, the ammonium dibasic phosphate aqueous solution that temperature is 65 DEG C washes twice, dry at 110 DEG C.
Embodiment 8
The nano particle transition metal for taking 30g embodiment 3 to prepare embeds Titanium Sieve Molecular Sieve and 5g Beta type molecular sieve is added
Into 50g deionized water, 1h is persistently stirred, obtains the homogeneous slurry of molecular sieve.65g kaolin is taken to be added to 500g deionized water
In, 1h is persistently stirred, the homogeneous slurry of carrier is obtained.Molecular sieve pulp and carrier pulp are mixed under stiring, continue to stir
After 1h, pH to 10 is adjusted with the sodium hydroxide solution of 0.1mol/L, is spray-dried after being beaten 1h, by resulting product concentration
0.35%, the ammonium dibasic phosphate aqueous solution that temperature is 65 DEG C washes twice, dry at 110 DEG C.
Embodiment 9
The nano particle transition metal for taking 35g embodiment 1 to prepare embeds Titanium Sieve Molecular Sieve and 1gY type molecular sieve is added to
In 50g deionized water, 1h is persistently stirred, obtains the homogeneous slurry of molecular sieve.64g natural clay/aluminium oxide is taken to be added to 500g
In deionized water, 1h is persistently stirred, obtains the homogeneous slurry of carrier.Molecular sieve pulp and carrier pulp are mixed under stiring,
Continue after stirring 1h, adjusts pH to 10 with the sodium hydroxide solution of 0.1mol/L, be spray-dried after being beaten 1h, by resulting product
It is washed twice with concentration 0.35%, the ammonium dibasic phosphate aqueous solution that temperature is 65 DEG C, it is dry at 110 DEG C.
Comparative example 1
Take 35g ETS-10 Titanium Sieve Molecular Sieve and 1g phosphate aluminium molecular sieve AlPO4It is added in 50g deionized water, it is lasting to stir
1h obtains the homogeneous slurry of molecular sieve.It takes 64g natural clay/aluminium oxide to be added in 500g deionized water, persistently stirs 1h,
Obtain the homogeneous slurry of carrier.Molecular sieve pulp and carrier pulp are mixed under stiring, continues after stirring 1h, uses 0.1mol/L
Sodium hydroxide solution adjust pH to 10, be beaten 1h after be spray-dried, by resulting product concentration 0.35%, temperature be 65 DEG C
Ammonium dibasic phosphate aqueous solution wash twice, it is dry at 110 DEG C.
Each embodiment experimental result of table 1
| Number | H2~C2, % | Liquefied gas, % | C5~diesel oil, % | Coke+heavy oil, % |
| Comparative example 1 | 2.4 | 19.7 | 69.4 | 8.7 |
| Embodiment 4 | 2.6 | 20.1 | 72.3 | 5.0 |
| Embodiment 5 | 2.8 | 20.6 | 71.4 | 5.2 |
| Embodiment 6 | 2.2 | 20.0 | 74.6 | 3.2 |
| Embodiment 7 | 2.5 | 20.9 | 72.9 | 3.7 |
| Embodiment 8 | 2.5 | 19.1 | 74.0 | 4.4 |
| Embodiment 9 | 2.1 | 19.6 | 72.3 | 6.0 |
The ratio of light oil in pyrogenetic reaction can be improved in the additive, while having preferable reactivity again, ensure that
Higher processing of heavy oil benefit can surmount the raw material derivative cracking coking process of usually existing thermal cracking by realizing
Additional catalytic cracking ability (or upgrade-system for shale oil, Tar sands etc.) is provided for crude oil refineries.In some feelings
In condition, the additional catalytic cracking in coking process can be enough to provide economic replacement to increase downstream cracking production capacity (example
Such as, fluid catalytic cracking unit or hydrocracker) and/or for downstream catalytic cracking increase pretreatment of raw material；Preparation method
It is simple and easy, be easily achieved.
Additive provided by the invention, raw material sources are abundant, cheap, and synthetic reaction is easy to carry out, and is suitable for work
Industry metaplasia, which produces, to be used.In addition, additive activity is high and stability is also preferable.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
It all should belong to the protection scope of the claims in the present invention.
Claims (11)
1. a kind of coking additive for improving product yield, which is characterized in that be in terms of 100% by weight of additive, including it is following
Component: carrier 60-85wt%, nano particle transition metal embed Titanium Sieve Molecular Sieve 10-35wt%, select type molecular sieve 1-
10wt%.
2. the coking additive according to claim 1 for improving product yield, which is characterized in that the transition metal is
One of iron, cobalt, nickel, copper are a variety of.
3. the coking additive according to claim 1 for improving product yield, which is characterized in that the carrier is to cover to take off
One or more of soil, natural clay, aluminium oxide and kaolin.
4. the coking additive according to claim 1 for improving product yield, which is characterized in that the type molecular sieve of selecting is
One or more of ZSM-5, Beta and Y type molecular sieve.
5. the coking additive according to claim 2 for improving product yield, which is characterized in that the carrier is through excessively high
The carrier of temperature roasting.
6. the preparation method of the coking additive of any of claims 1-5 for improving product yield, which is characterized in that
Include the following steps:
Carrier water is beaten uniformly by step 1, and the solid content of slurries is 30-70%, and carrier pulp is made；
Step 2, will select type molecular sieve and nano particle transition metal embeds the mashing of Titanium Sieve Molecular Sieve water uniformly, and slurries are consolidated
Content is 30-70%, and molecular sieve pulp is made；
Step 3 mixes carrier pulp, molecular sieve pulp, obtains the additive slurries that solid content is 30-70%, and with pH tune
It saves liquid and adjusts pH to 10-12；
Mixed additive slurries are spray-dried by step 4, and coking additive is made.
7. the preparation method of the coking additive according to claim 6 for improving product yield, which is characterized in that step 3
Described in pH adjust liquid be 0.1-1mol/L sodium hydroxide, sodium carbonate, potassium carbonate or potassium hydroxide solution.
8. the preparation method of the coking additive according to claim 6 for improving product yield, which is characterized in that step 3
Middle carrier pulp and the operation temperature of molecular sieve pulp mixing are 50-80 DEG C.
9. the preparation method of the coking additive according to claim 6 for improving product yield, which is characterized in that described to receive
The preparation method that rice grain transition metal embeds Titanium Sieve Molecular Sieve includes the following steps:
Step 1 mixes complexing agent with transition metal source solution, stirs 0.4-0.6h；Titanium Sieve Molecular Sieve powder, stirring is added
1-3h；Mixed gel is fitted into synthesis reactor, at autogenous pressures, keeps 2-4d at 100 DEG C~120 DEG C；
Step 2 is washed with deionized after the reaction was completed and isolates solid product, is washed with ethanol solution to solid product
It washs, then solid product is transferred in closed container at 350-450 DEG C and leads to hydrogen reducing, reduction 3-5h obtains product.
10. the preparation method of the coking additive according to claim 9 for improving product yield, which is characterized in that described
Nano particle transition metal embeds the transition metal particles in Titanium Sieve Molecular Sieve having a size of 2-3 nanometers.
11. the preparation method of the coking additive according to claim 9 for improving product yield, which is characterized in that described
Transition metal source is one of iron, cobalt, nickel and copper or a variety of；The complexing agent is ethanedioic acid tetraacethyl disodium, sodium oxalate, lemon
One of lemon acid sodium and tartaric acid are a variety of.
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