CA1213609A - Preparation et emploi du poison organique des catalyseurs de fractionnement a l'antimoine - Google Patents

Preparation et emploi du poison organique des catalyseurs de fractionnement a l'antimoine

Info

Publication number: CA1213609A
Authority: CA; Canada
Prior art keywords: antimony; acid; catalyst; cracking; carboxylic acid
Prior art date: 1984-06-21
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA000457104A

Other languages

English (en)

Inventor

Richard F. Miller

John Link

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Atlantic Richfield Co

Original Assignee

Atlantic Richfield Co

Priority date (The priority date 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 date listed.)

1984-06-21

Filing date

1984-06-21

Publication date

1986-11-04

1982-08-27 Priority to US06/412,409 priority Critical patent/US4488997A/en

1982-08-27 Priority to US06/412,419 priority patent/US4488998A/en

1984-06-21 Application filed by Atlantic Richfield Co filed Critical Atlantic Richfield Co

1984-06-21 Priority to CA000457104A priority patent/CA1213609A/fr

1984-07-31 Priority to JP15946584A priority patent/JPS6137751A/ja

1984-11-09 Priority to EP84307780A priority patent/EP0180675A1/fr

1984-11-09 Priority claimed from EP84307780A external-priority patent/EP0180675A1/fr

1986-11-04 Application granted granted Critical

1986-11-04 Publication of CA1213609A publication Critical patent/CA1213609A/fr

Status Expired legal-status Critical Current

Links

239000003054 catalyst Substances 0.000 title claims abstract description 85
238000005336 cracking Methods 0.000 title claims abstract description 64
229910052787 antimony Inorganic materials 0.000 title claims abstract description 56
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 title claims abstract description 56
238000000034 method Methods 0.000 title claims abstract description 44
238000002360 preparation method Methods 0.000 title abstract description 5
239000002574 poison Substances 0.000 title 1
231100000614 poison Toxicity 0.000 title 1
229930195733 hydrocarbon Natural products 0.000 claims abstract description 27
150000002430 hydrocarbons Chemical class 0.000 claims abstract description 26
230000008569 process Effects 0.000 claims abstract description 22
239000004215 Carbon black (E152) Substances 0.000 claims abstract description 20
239000000463 material Substances 0.000 claims abstract description 20
239000011541 reaction mixture Substances 0.000 claims abstract description 20
229910052751 metal Inorganic materials 0.000 claims abstract description 17
239000002184 metal Substances 0.000 claims abstract description 17
150000007524 organic acids Chemical class 0.000 claims abstract description 17
229910000410 antimony oxide Inorganic materials 0.000 claims abstract description 13
239000011261 inert gas Substances 0.000 claims abstract description 13
VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims abstract description 13
150000008064 anhydrides Chemical class 0.000 claims abstract description 11
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 8
229910021536 Zeolite Inorganic materials 0.000 claims abstract 5
239000010457 zeolite Substances 0.000 claims abstract 5
WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 30
238000006243 chemical reaction Methods 0.000 claims description 30
150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 22
239000000047 product Substances 0.000 claims description 17
YPIFGDQKSSMYHQ-UHFFFAOYSA-N 7,7-dimethyloctanoic acid Chemical compound CC(C)(C)CCCCCC(O)=O YPIFGDQKSSMYHQ-UHFFFAOYSA-N 0.000 claims description 16
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
239000000203 mixture Substances 0.000 claims description 16
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
125000004432 carbon atom Chemical group C* 0.000 claims description 14
239000006227 byproduct Substances 0.000 claims description 13
150000001463 antimony compounds Chemical class 0.000 claims description 10
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
239000002253 acid Substances 0.000 claims description 9
239000001257 hydrogen Substances 0.000 claims description 9
229910052739 hydrogen Inorganic materials 0.000 claims description 9
239000007789 gas Substances 0.000 claims description 8
229910052759 nickel Inorganic materials 0.000 claims description 8
230000008929 regeneration Effects 0.000 claims description 8
238000011069 regeneration method Methods 0.000 claims description 8
239000002904 solvent Substances 0.000 claims description 8
229910052742 iron Inorganic materials 0.000 claims description 7
229910052720 vanadium Inorganic materials 0.000 claims description 7
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 6
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
238000004523 catalytic cracking Methods 0.000 claims description 6
239000000571 coke Substances 0.000 claims description 6
239000008096 xylene Substances 0.000 claims description 6
OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 5
238000009835 boiling Methods 0.000 claims description 5
OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 claims description 4
YPIFGDQKSSMYHQ-UHFFFAOYSA-M 7,7-dimethyloctanoate Chemical compound CC(C)(C)CCCCCC([O-])=O YPIFGDQKSSMYHQ-UHFFFAOYSA-M 0.000 claims description 4
125000000217 alkyl group Chemical group 0.000 claims description 4
VDAMTJZCTXHWLX-UHFFFAOYSA-K antimony(3+);7,7-dimethyloctanoate Chemical group [Sb+3].CC(C)(C)CCCCCC([O-])=O.CC(C)(C)CCCCCC([O-])=O.CC(C)(C)CCCCCC([O-])=O VDAMTJZCTXHWLX-UHFFFAOYSA-K 0.000 claims description 4
150000007513 acids Chemical class 0.000 claims description 3
229910000323 aluminium silicate Inorganic materials 0.000 claims description 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
125000001589 carboacyl group Chemical group 0.000 claims description 3
-1 cu-mene Chemical compound 0.000 claims description 3
239000001301 oxygen Substances 0.000 claims description 3
229910052760 oxygen Inorganic materials 0.000 claims description 3
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
150000001875 compounds Chemical class 0.000 claims description 2
229910052802 copper Inorganic materials 0.000 claims description 2
239000010949 copper Substances 0.000 claims description 2
230000006872 improvement Effects 0.000 claims description 2
239000003350 kerosene Substances 0.000 claims description 2
125000001183 hydrocarbyl group Chemical group 0.000 claims 1
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims 1
150000001735 carboxylic acids Chemical class 0.000 abstract description 8
239000000356 contaminant Substances 0.000 abstract 1
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
150000002739 metals Chemical class 0.000 description 11
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 11
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
239000000376 reactant Substances 0.000 description 7
229940058905 antimony compound for treatment of leishmaniasis and trypanosomiasis Drugs 0.000 description 6
230000002939 deleterious effect Effects 0.000 description 5
230000000694 effects Effects 0.000 description 5
239000003502 gasoline Substances 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 5
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 5
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
238000004821 distillation Methods 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
239000012535 impurity Substances 0.000 description 4
229910052757 nitrogen Inorganic materials 0.000 description 4
230000009467 reduction Effects 0.000 description 4
239000000126 substance Substances 0.000 description 4
230000002411 adverse Effects 0.000 description 3
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
239000000446 fuel Substances 0.000 description 3
239000003446 ligand Substances 0.000 description 3
230000000704 physical effect Effects 0.000 description 3
238000000746 purification Methods 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
150000008065 acid anhydrides Chemical class 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
230000006866 deterioration Effects 0.000 description 2
230000001627 detrimental effect Effects 0.000 description 2
GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
238000005342 ion exchange Methods 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
239000007788 liquid Substances 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
150000001455 metallic ions Chemical class 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000003921 oil Substances 0.000 description 2
239000011148 porous material Substances 0.000 description 2
238000011084 recovery Methods 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
238000003756 stirring Methods 0.000 description 2
NOGFHTGYPKWWRX-UHFFFAOYSA-N 2,2,6,6-tetramethyloxan-4-one Chemical compound CC1(C)CC(=O)CC(C)(C)O1 NOGFHTGYPKWWRX-UHFFFAOYSA-N 0.000 description 1
USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
239000005695 Ammonium acetate Substances 0.000 description 1
238000006217 Nerdel homologation reaction Methods 0.000 description 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
229940043376 ammonium acetate Drugs 0.000 description 1
235000019257 ammonium acetate Nutrition 0.000 description 1
XDEOZZDFNYGLHY-UHFFFAOYSA-K antimony(3+);octadecanoate Chemical compound [Sb+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XDEOZZDFNYGLHY-UHFFFAOYSA-K 0.000 description 1
PALVEAZBDSAOLL-UHFFFAOYSA-K antimony(3+);tribenzoate Chemical compound [Sb+3].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 PALVEAZBDSAOLL-UHFFFAOYSA-K 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
229910052797 bismuth Inorganic materials 0.000 description 1
JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
YHASWHZGWUONAO-UHFFFAOYSA-N butanoyl butanoate Chemical compound CCCC(=O)OC(=O)CCC YHASWHZGWUONAO-UHFFFAOYSA-N 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000007942 carboxylates Chemical class 0.000 description 1
150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
238000001246 colloidal dispersion Methods 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
ALMJEOCNCLDGNJ-UHFFFAOYSA-K di(dodecanoyloxy)stibanyl dodecanoate Chemical compound [Sb+3].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O ALMJEOCNCLDGNJ-UHFFFAOYSA-K 0.000 description 1
JVLRYPRBKSMEBF-UHFFFAOYSA-K diacetyloxystibanyl acetate Chemical compound [Sb+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JVLRYPRBKSMEBF-UHFFFAOYSA-K 0.000 description 1
WUOBERCRSABHOT-UHFFFAOYSA-N diantimony Chemical compound [Sb]#[Sb] WUOBERCRSABHOT-UHFFFAOYSA-N 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000001307 helium Substances 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
229910052738 indium Inorganic materials 0.000 description 1
APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
229910052809 inorganic oxide Inorganic materials 0.000 description 1
229910052754 neon Inorganic materials 0.000 description 1
GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
239000002245 particle Substances 0.000 description 1
DUCKXCGALKOSJF-UHFFFAOYSA-N pentanoyl pentanoate Chemical compound CCCCC(=O)OC(=O)CCCC DUCKXCGALKOSJF-UHFFFAOYSA-N 0.000 description 1
WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
229910052761 rare earth metal Inorganic materials 0.000 description 1
230000036632 reaction speed Effects 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000010992 reflux Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000010189 synthetic method Methods 0.000 description 1
230000008685 targeting Effects 0.000 description 1
229910052718 tin Inorganic materials 0.000 description 1

Landscapes

Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Catalysts (AREA)

CA000457104A 1982-08-27 1984-06-21 Preparation et emploi du poison organique des catalyseurs de fractionnement a l'antimoine Expired CA1213609A (fr)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
US06/412,409 US4488997A (en)	1982-08-27	1982-08-27	Method for the preparation of higher antimony tricarboxylates
US06/412,419 US4488998A (en)	1982-08-27	1982-08-27	Preparation of higher antimony tricarboxylates in improved yields using an inert gas
CA000457104A CA1213609A (fr)	1984-06-21	1984-06-21	Preparation et emploi du poison organique des catalyseurs de fractionnement a l'antimoine
JP15946584A JPS6137751A (ja)	1984-06-21	1984-07-31	アンチモンの高級トリカルボン酸塩の改良された製造方法及び改良された触媒を使用するクラツキング方法
EP84307780A EP0180675A1 (fr)	1982-08-27	1984-11-09	Procédé de préparation et utilisation de catalyseurs de cracking antimoiniques organiques

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CA000457104A CA1213609A (fr)	1984-06-21	1984-06-21	Preparation et emploi du poison organique des catalyseurs de fractionnement a l'antimoine
JP15946584A JPS6137751A (ja)	1984-06-21	1984-07-31	アンチモンの高級トリカルボン酸塩の改良された製造方法及び改良された触媒を使用するクラツキング方法
EP84307780A EP0180675A1 (fr)	1982-08-27	1984-11-09	Procédé de préparation et utilisation de catalyseurs de cracking antimoiniques organiques

Publications (1)

Publication Number	Publication Date
CA1213609A true CA1213609A (fr)	1986-11-04

Family

ID=27167449

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000457104A Expired CA1213609A (fr)	1982-08-27	1984-06-21	Preparation et emploi du poison organique des catalyseurs de fractionnement a l'antimoine

Country Status (2)

Country	Link
JP (1)	JPS6137751A (fr)
CA (1)	CA1213609A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3460607B2 (ja) *	1998-05-26	2003-10-27	三菱マテリアル株式会社	サーミスタ薄膜形成剤の製造方法及びこれを用いたサーミスタ薄膜形成剤及びその薄膜の形成方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4111845A (en) *	1977-02-11	1978-09-05	Mckay Dwight L	Cracking catalyst modified by antimony thiophosphate

1984
- 1984-06-21 CA CA000457104A patent/CA1213609A/fr not_active Expired
- 1984-07-31 JP JP15946584A patent/JPS6137751A/ja active Pending

Also Published As

Publication number	Publication date
JPS6137751A (ja)	1986-02-22

Legal Events

Date	Code	Title	Description
2004-06-21	MKEX	Expiry
2023-05-26	MKEX	Expiry	Effective date: 20040621

Publication	Publication Date	Title
CA1072477A (fr)	1980-02-26	Methode de neutralisation des effets empoisonnants des metaux sur les catalyseurs de craquage
US4153536A (en)	1979-05-08	Cracking with catalyst modified by antimony thiophosphate
US4148712A (en)	1979-04-10	Metals passivation with catalyst fines
US4256564A (en)	1981-03-17	Cracking process and catalyst for same containing indium to passivate contaminating metals
US4207204A (en)	1980-06-10	Passivation of metals on cracking catalyst with a crude antimony tris(O,O-dihydrocarbyl phosphorodithioate)
US4377504A (en)	1983-03-22	Cracking catalyst improvement with gallium compounds
US4169042A (en)	1979-09-25	Cracking process and catalyst for same containing tellurium
US4167471A (en)	1979-09-11	Passivating metals on cracking catalysts
US4193891A (en)	1980-03-18	Passivation of metals on cracking catalyst with an antimony thiocarbamate
EP0180675A1 (fr)	1986-05-14	Procédé de préparation et utilisation de catalyseurs de cracking antimoiniques organiques
US4238362A (en)	1980-12-09	Passivation of metals contaminating a used cracking catalyst with certain antimony carbonates and their thio analogues
US4190552A (en)	1980-02-26	Passivation of metals on cracking catalysts with an antimony tris (hydrocarbyl sulfide)
US4377494A (en)	1983-03-22	Cracking catalysts passivated by barium
US4334979A (en)	1982-06-15	Hydrocarbon cracking process using a catalyst containing germanium
US4218337A (en)	1980-08-19	Passivating metals on cracking catalysts with tellurium
CA1213609A (fr)	1986-11-04	Preparation et emploi du poison organique des catalyseurs de fractionnement a l'antimoine
US4198317A (en)	1980-04-15	Passivation of metals which contaminate cracking catalysts with antimony tris (hydrocarbyl sulfonate)
US4415440A (en)	1983-11-15	Cracking catalyst improvement with gallium compounds
US4495105A (en)	1985-01-22	Preparation of higher tin carboxylates in improved yields using an inert gas
US4439536A (en)	1984-03-27	Hydrocarbon cracking catalyst
US4209453A (en)	1980-06-24	Antimony tris(dihydrocarbyl phosphite) and preparation thereof
US4495064A (en)	1985-01-22	Metal passivation additive employed in a cracking process
US4386015A (en)	1983-05-31	Hydrocarbon cracking zeolitic catalyst
US4257876A (en)	1981-03-24	Passivation of metals contaminating a cracking catalyst with trihydrocarbylantimony oxide and process for converting hydrocarbons
US4263131A (en)	1981-04-21	Passivation of metals contaminating a cracking catalyst with an antimony tris(dihydrocarbyl phosphite) catalyst and process of cracking therewith