PL83830B1 - - Google Patents
Download PDFInfo
- Publication number
- PL83830B1 PL83830B1 PL1972159986A PL15998672A PL83830B1 PL 83830 B1 PL83830 B1 PL 83830B1 PL 1972159986 A PL1972159986 A PL 1972159986A PL 15998672 A PL15998672 A PL 15998672A PL 83830 B1 PL83830 B1 PL 83830B1
- Authority
- PL
- Poland
- Prior art keywords
- noble metal
- hydrocarbons
- minerals
- flat
- catalyst
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- 229930195733 hydrocarbon Natural products 0.000 claims description 14
- 150000002430 hydrocarbons Chemical class 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 238000006317 isomerization reaction Methods 0.000 claims description 8
- 229910000510 noble metal Inorganic materials 0.000 claims description 8
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 235000019354 vermiculite Nutrition 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- -1 ammonium ions Chemical class 0.000 claims description 3
- VNSBYDPZHCQWNB-UHFFFAOYSA-N calcium;aluminum;dioxido(oxo)silane;sodium;hydrate Chemical compound O.[Na].[Al].[Ca+2].[O-][Si]([O-])=O VNSBYDPZHCQWNB-UHFFFAOYSA-N 0.000 claims description 3
- 239000002734 clay mineral Substances 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 239000012876 carrier material Substances 0.000 claims 1
- 229910052900 illite Inorganic materials 0.000 claims 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 9
- HNRMPXKDFBEGFZ-UHFFFAOYSA-N 2,2-dimethylbutane Chemical compound CCC(C)(C)C HNRMPXKDFBEGFZ-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 2,3-dimethylbutane Chemical compound CC(C)C(C)C ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DJQKYTVFAALFHH-UHFFFAOYSA-N 2,2-dimethylbutane 2,3-dimethylbutane hexane 2-methylpentane 3-methylpentane Chemical compound CCCCCC.CCCC(C)C.CCC(C)CC.CCC(C)(C)C.CC(C)C(C)C DJQKYTVFAALFHH-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
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000252095 Congridae Species 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 241000950638 Symphysodon discus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- QCDFRRQWKKLIKV-UHFFFAOYSA-M chloroplatinum Chemical compound [Pt]Cl QCDFRRQWKKLIKV-UHFFFAOYSA-M 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000273 nontronite Inorganic materials 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
- C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
- C10G47/12—Inorganic carriers
- C10G47/14—Inorganic carriers the catalyst containing platinum group metals or compounds thereof
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/16—Clays or other mineral silicates
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
- C07C4/06—Catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/2206—Catalytic processes not covered by C07C5/23 - C07C5/31
- C07C5/226—Catalytic processes not covered by C07C5/23 - C07C5/31 with metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2702—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously
- C07C5/2724—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously with metals
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/16—Clays or other mineral silicates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/42—Platinum
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/44—Palladium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2296671 | 1971-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
PL83830B1 true PL83830B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-02-28 |
Family
ID=11202381
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL1972159986A PL83830B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-04-09 | 1972-04-07 | |
PL1972159987A PL83829B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-04-09 | 1972-04-07 | |
PL1972159988A PL86964B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-04-09 | 1972-04-07 | |
PL1972159985A PL86965B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-04-09 | 1972-04-07 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL1972159987A PL83829B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-04-09 | 1972-04-07 | |
PL1972159988A PL86964B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-04-09 | 1972-04-07 | |
PL1972159985A PL86965B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-04-09 | 1972-04-07 |
Country Status (18)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1837320A1 (en) * | 2006-03-23 | 2007-09-26 | ETH Zürich | Production of saturated C2 to C5 hydrocarbons |
EA025338B1 (ru) * | 2013-04-30 | 2016-12-30 | Институт Нефтехимических Процессов Им. Академика Ю. Мамедалиева, Нан Азербайджана | Способ получения светлых нефтепродуктов из тяжелых нефтяных остатков |
KR102747045B1 (ko) * | 2018-10-26 | 2024-12-26 | 가부시키가이샤 아데카 | 복합 재료 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3632502A (en) * | 1969-08-06 | 1972-01-04 | Chevron Res | Hydrocracking catalyst comprising a layered clay-type crystalline aluminosilicate component a group viii component and a rare earth component and process using said catalyst |
-
1972
- 1972-03-17 GB GB1270372A patent/GB1392197A/en not_active Expired
- 1972-03-24 CA CA138,112A patent/CA978552A/en not_active Expired
- 1972-03-29 YU YU0843/72A patent/YU36622B/xx unknown
- 1972-04-05 FR FR727211842A patent/FR2132684B1/fr not_active Expired
- 1972-04-06 BE BE781719A patent/BE781719A/xx not_active IP Right Cessation
- 1972-04-07 DD DD173477*A patent/DD106341A5/xx unknown
- 1972-04-07 ES ES402459A patent/ES402459A1/es not_active Expired
- 1972-04-07 LU LU65125D patent/LU65125A1/xx unknown
- 1972-04-07 CS CS7200002336A patent/CS185608B2/cs unknown
- 1972-04-07 NO NO1185/72A patent/NO137985C/no unknown
- 1972-04-07 PL PL1972159986A patent/PL83830B1/pl unknown
- 1972-04-07 PL PL1972159987A patent/PL83829B1/pl unknown
- 1972-04-07 DD DD173407*A patent/DD109234A5/xx unknown
- 1972-04-07 NL NL7204644.A patent/NL161685C/xx not_active IP Right Cessation
- 1972-04-07 SU SU721768967A patent/SU686600A3/ru active
- 1972-04-07 DD DD162153A patent/DD101660A5/xx unknown
- 1972-04-07 DK DK170372A patent/DK143973C/da not_active IP Right Cessation
- 1972-04-07 PL PL1972159988A patent/PL86964B1/xx unknown
- 1972-04-07 PL PL1972159985A patent/PL86965B1/pl unknown
- 1972-04-08 CH CH512772A patent/CH562635A5/xx not_active IP Right Cessation
- 1972-04-10 AT AT310372A patent/AT346816B/de not_active IP Right Cessation
- 1972-04-10 JP JP3526072A patent/JPS5730533B1/ja active Pending
- 1972-04-10 SE SE7204618A patent/SE392401B/xx unknown
-
1974
- 1974-04-02 NO NO741182A patent/NO137987C/no unknown
- 1974-04-02 NO NO741181A patent/NO137986C/no unknown
- 1974-04-02 NO NO741185A patent/NO140274C/no unknown
- 1974-04-02 NO NO741184A patent/NO140266C/no unknown
- 1974-06-27 SU SU742038965A patent/SU833145A3/ru active
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4238364A (en) | Class of cracking catalysts acidic forms of cross-linked smectities | |
US3480539A (en) | Mordenite catalyst compositions | |
DE2112265A1 (de) | Verfahren zur Herstellung eines Zeolith-Katalysators und dessen Verwendung | |
JPH0817946B2 (ja) | 活性化ベータゼオライト触媒及びその異性化プロセス | |
DE1767464A1 (de) | Katalysatorgemisch auf Basis von zeolithischen Molekularsieben zur Reformierung von Kohlenwasserstoffen | |
DE1151082B (de) | Reformierungskatalysator | |
CA1169041A (en) | Preparation of a catalyst for normal paraffin isomerization | |
PL83830B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
DE2065046B2 (de) | Verfahren zur umwandlung von kohlenwasserstoffen | |
US3475345A (en) | Catalyst for paraffin isomerization | |
JPS58177143A (ja) | 触媒活性架橋金属シリケ−トの製造方法 | |
EP0075314B1 (de) | Gamma-Aluminiumoxyd und Nickel(II)-oxyd enthaltende bifunktionelle Katalysatoren sowie Verfahren zu ihrer Herstellung und ihre Verwendung | |
US1739306A (en) | Impregnation of porous gels with metals or other insoluble material | |
DE2920956A1 (de) | Verfahren zur herstellung eines an aromaten reichen kohlenwasserstoffgemisches und dessen verwendung | |
JPH064485B2 (ja) | 複合した結晶質珪酸アルミニウムの製造方法 | |
US3236903A (en) | Hydrocarbon upgrading process | |
US3360484A (en) | Hydrocarbon conversion catalyst and preparation thereof | |
DE2702327C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPS5983928A (ja) | 吸蔵されたマルチメタライトを含有するゼオライトの製造方法及びその生成物 | |
US20160167028A1 (en) | Dispersed noble metal-containing catalyst for hydrocarbon conversion | |
CN106669817A (zh) | 原位一步合成mcm-22和zsm-35分子筛催化剂的方法 | |
DE69410658T2 (de) | Komposit-Katalysator und seine Verwendung für die Aromatisierung von Kohlenwasserstoffen | |
US3525700A (en) | Type o crystalline material | |
US5686370A (en) | Zeolite catalyst with chromium for the production of gasolines with low aromatic content and high octane number | |
US3404192A (en) | Process for selective hydrogenation of olefins with deactivated zeolite catalyst |