KR960033533A - 아연에 의해 촉진된 탄소 지지 금속 황화물 촉매를 사용하는 탄화수소 오일의 수소화탈방향족화 방법 - Google Patents
아연에 의해 촉진된 탄소 지지 금속 황화물 촉매를 사용하는 탄화수소 오일의 수소화탈방향족화 방법 Download PDFInfo
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- KR960033533A KR960033533A KR1019960005661A KR19960005661A KR960033533A KR 960033533 A KR960033533 A KR 960033533A KR 1019960005661 A KR1019960005661 A KR 1019960005661A KR 19960005661 A KR19960005661 A KR 19960005661A KR 960033533 A KR960033533 A KR 960033533A
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- Prior art keywords
- weight
- nitrogen
- zinc
- carbon
- pore volume
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- 239000003054 catalyst Substances 0.000 title claims abstract 11
- 238000000034 method Methods 0.000 title claims abstract 10
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract 18
- 239000011148 porous material Substances 0.000 claims abstract 13
- 229930195733 hydrocarbon Natural products 0.000 claims abstract 12
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract 12
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract 6
- 239000011593 sulfur Substances 0.000 claims abstract 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910052721 tungsten Inorganic materials 0.000 claims abstract 6
- 239000010937 tungsten Substances 0.000 claims abstract 6
- 229910052725 zinc Inorganic materials 0.000 claims abstract 6
- 239000011701 zinc Substances 0.000 claims abstract 6
- 125000003118 aryl group Chemical group 0.000 claims abstract 5
- 239000000306 component Substances 0.000 claims abstract 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract 4
- 239000011651 chromium Substances 0.000 claims abstract 4
- 239000007789 gas Substances 0.000 claims abstract 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract 4
- 239000011733 molybdenum Substances 0.000 claims abstract 4
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract 3
- 239000001257 hydrogen Substances 0.000 claims abstract 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910017464 nitrogen compound Inorganic materials 0.000 claims abstract 2
- 150000002830 nitrogen compounds Chemical class 0.000 claims abstract 2
- 229910000510 noble metal Inorganic materials 0.000 claims abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052759 nickel Inorganic materials 0.000 claims 4
- 239000010941 cobalt Substances 0.000 claims 3
- 229910017052 cobalt Inorganic materials 0.000 claims 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 3
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 239000003208 petroleum Substances 0.000 claims 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 239000003245 coal Substances 0.000 claims 1
- 239000002283 diesel fuel Substances 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 230000029087 digestion Effects 0.000 abstract 1
- 150000002431 hydrogen Chemical class 0.000 abstract 1
Classifications
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- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/44—Hydrogenation of the aromatic hydrocarbons
- C10G45/46—Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used
- C10G45/48—Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
- C10G45/50—Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum or tungsten metal, 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
- 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
-
- 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
- B01J35/31—Density
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/617—500-1000 m2/g
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/633—Pore volume less than 0.5 ml/g
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/643—Pore diameter less than 2 nm
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/66—Pore distribution
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
본 발명은 적어도 600㎡/g의 B.E.T 표면적과 적어도 0.3㎠/g 의 질소용 기공 부피와 적어도 12A의 평균 기공 직경을 갖는 활성 탄소 지지물 위에, 니켈, 코발트, 철로부터 선택된 하나 또는 그 이상의 8족 비-귀금속 0.1 내지 15중량%와 텅스텐 1 내지 50중량% 및/또는 몰리브데늄 또는 크롬 1 내지 20중량% 및 아연 0.01 내지 10중량%로 구성된 황화된 촉매의 층을 유지하고; 수소화처리 조건에서 상기 황화된 촉매와 접촉하도록 60부피%이상의 순수한 수소로 구성된 가스 존재하에서 투입 탄화수소 공급물을 통과하고 이것에 의해 상기 투입 탄화수소 공급물의 수소화, 수소화탈방향족화, 수소화탈황화 및 수소화탈질소화를 실행하고, 바람직하지 않은 방향족 성분, 황 및 질소의 적어지는 농도를 함유하는 탄화수소의 생성물원을 형성하고, 및 바람직하지 않은 방향족 성분, 황 및 질소의 더 낮은 농도를 함유하는 탄화수소의 상기 생성물원을 회수하는 것으로 이루어지는 바람직하지 않은 방향족성분, 황과 질소화합물을 함유한 투입 탄화수소 공급물을 처리하기 위한 방법이다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (13)
- 적어도 600㎡/g의 B.E.T 표면적과 적어도 0.3㎠/g 의 질소용 기공 부피와 적어도 12A의 평균 기공 직경을 갖는 활성 탄소 지지물 위에, 니켈, 코발트, 철로부터 선택된 하나 또는 그 이상의 8족 비-귀금속 0.1 내지 15중량%와 텅스텐 1 내지 50중량% 및/또는 몰리브데늄 또는 크롬 1 내지 20중량% 및 아연 0.01 내지 10중량%로 구성된 황화된 촉매의 층을 유지하고; 수소화처리 조건에서 상기 황화된 촉매와 접촉하도록 60부피% 이상의 순수한 수소로 구성된 가스 혼합물 존재하에 탄화수소 공급물을 통과하고 이것에 의해 상기 탄화수소 공급물의 수소화, 수소화탈방향족화, 수소화탈황화 및 수소화탈질소화를 실행하고, 바람직하지 않은 방향족 성분, 황 및 질소의 적어지는 농도를 함유하는 탄화수소의 생성물원을 형성하고, 및 바람직하지 않은 방향족 성분, 황 및 질소의 더 낮은 농도를 함유하는 탄화수소의 상기 생성물원을 회수하는 것으로 이루어지는 바람직하지 않은 방향족 성분, 황과 질소화합물을 함유한 투입 탄화수소 공급물을 처리하는 방법.
- 제1항에 있어서, 상기 수소화처리 조건으로 200 내지 450℃의 온도, 200내지 3,000psig(1.4 내지 21MPa)의 압력, 0.1내지 10hr¹의 시간당 액체공간속도와 200 내지 10,000SCFB(36내지 1,800㎥/㎥)의 수소공급속도를 포함하는 방법.
- 제1항 또는 제2항에 있어서, 상기 수소화처리 조건으로 300 내지 410℃의 온도, 400 내지 2,500psig(2.8내지17.3MPa)의압력,0.5내지4hr¹의시간당액체공간속도와1,000내지 6,000SCFB(180내지 1,080㎥/㎥)의 수소공급속도를 포함하는 방법.
- 상기 항중 어느 한 항에 있어서, 상기 탄화수소 투입물은 가볍거나 무거운 또는 전범위의 나프타, 석유 중간 증류분, 가스오일, 디젤연료, 항공기 연료, 진공 가스오일과 그 잔류물 또는 석유, 석탄, 혈암류, 타르와 그 혼합물로부터 유도된 혼합물로부터 선택되는 방법.
- 상기 항중 어느 한 항에 있어서, 상기 탄소 지지 촉매는 니켈 2내지 12중량%, 텅스텐 10내지 45중량%와 아연 0.01 내지 5중량%를 함유하는 방법.
- 상기 항중 어느 한 항에 있어서, 상기 탄소 지지 촉매는 텅스텐 20 내지 40중량%와, 임의로 크로뮴 및/또는 몰리브데늄 10 내지 15%를 함유하는 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 탄소 지지 촉매는 필수적으로 니켈 2내지 12중량%, 아연 0.01 내지 10중량%와, 임의로 코발트 및/또는 철 1 내지 12중량%로 구성되는 방법.
- 상기 항중 어느 한 항에 있어서, 탄소 지지 촉매는 아연 2 내지 5중량%를 함유하는 방법.
- 상기 항중 어느 한 항에 있어서, 탄소 지지 촉매는 붕소 0.01 내지 4중량%, 인 0.01 내지 4중량%, 불소 0.01 내지 4중량% 또는 그들의 혼합물로 구성된 그룹으로부터 선택된 부가적인 촉진제를 함유하는 방법.
- 상기 항중 어느 한 항에 있어서, 상기 탄소 지지물은 600 내지 2,000㎡/g의 B.E.T 표면적과 적어도 0.3cc/g의 질소용 총 기공부피, 질소 물리흡착으로부터 산출된 12 내지 100A의 평균 기공 직경을 특징으로 하는 방법.
- 상기 항중 어느 한 항에 있어서, 탄소 지지물은 20 내지 500A의 직경을 가진 기공 중에 20 내지 80%의 기공부피를 갖는 방법.
- 적어도 600㎡/g의 B.E.T 표면적과 적어도 o.3㎠/g의 질소용 기공 부피와 적어도 12A의 평균기공직경을 갖는 활성 탄소 지지물 위에, 니켈, 코발트, 철로부터 선택된 하나 또는 그 이상의 8족 비-귀금속 0.1 내지 15중량%과 텅스텐 1내지 50중량% 및/또는 몰리브데늄 또는 크롬 1 내지 20중량% 및 아연 0.01 내지 10중량%로 이루어지는 것을 특징으로 하는 탄화수소 오일의 수소화처리에 사용하는 촉매 조성물.
- 제12항에 있어서, 상기 활성 탄소 지지물은 600 내지 2,000㎡/g의 B.E.T 표면적과 12 내지 100A의 평균 기공 직경, 직경 20 내지 500A의 기공으로 이루어진 20 내지 80%의 기공부피를 갖는 촉매 조성물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/401,374 | 1995-03-09 | ||
| US08/401,374 US5676822A (en) | 1995-03-09 | 1995-03-09 | Process for hydrodearomatization of hydrocarbon oils using carbon supported metal sulfide catalysts promoted by zinc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR960033533A true KR960033533A (ko) | 1996-10-22 |
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ID=23587493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960005661A KR960033533A (ko) | 1995-03-09 | 1996-03-05 | 아연에 의해 촉진된 탄소 지지 금속 황화물 촉매를 사용하는 탄화수소 오일의 수소화탈방향족화 방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5676822A (ko) |
| EP (1) | EP0731156A3 (ko) |
| JP (1) | JPH08259960A (ko) |
| KR (1) | KR960033533A (ko) |
| CA (1) | CA2165648A1 (ko) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897769A (en) * | 1997-08-29 | 1999-04-27 | Exxon Research And Engineering Co. | Process for selectively removing lower molecular weight naphthenic acids from acidic crudes |
| JP3824464B2 (ja) | 1999-04-28 | 2006-09-20 | 財団法人石油産業活性化センター | 重質油類の水素化分解方法 |
| ES2274771T3 (es) * | 1999-11-10 | 2007-06-01 | Institut Francais Du Petrole | Catalizador clorado y fluorado que comprende un metal del grupo viii y un metal adicional y su uso en la hidrogenacion de composiciones aromaticas. |
| GB0107908D0 (en) * | 2001-03-29 | 2001-05-23 | Bp Oil Int | Decolourisation method |
| US7081555B2 (en) * | 2002-08-07 | 2006-07-25 | Shell Oil Company | Process for hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds |
| ITMI20022185A1 (it) * | 2002-10-15 | 2004-04-16 | Enitecnologie Spa | Processo per la preparazione di fenolo mediante idrodeossigenazione di benzendioli. |
| US7557062B2 (en) | 2003-02-24 | 2009-07-07 | Shell Oil Company | Catalyst composition, its preparation and use |
| TW200521219A (en) * | 2003-07-08 | 2005-07-01 | Shell Int Research | Process to prepare a base oil |
| RU2387480C2 (ru) | 2004-09-08 | 2010-04-27 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Композиция катализатора гидрокрекинга |
| US20060223702A1 (en) * | 2005-03-30 | 2006-10-05 | Tiejun Zhang | Activated carbon for fuel purification |
| US20060223706A1 (en) * | 2005-03-30 | 2006-10-05 | Tiejun Zhang | Activated carbon for fuel purification |
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| US20060223703A1 (en) * | 2005-03-30 | 2006-10-05 | Tiejun Zhang | Activated carbon for fuel purification |
| US20070184976A1 (en) * | 2005-03-30 | 2007-08-09 | Tiejun Zhang | Activated carbon for fuel purification |
| US20060223705A1 (en) * | 2005-03-30 | 2006-10-05 | Tiejun Zhang | Activated carbon for fuel purification |
| US7842181B2 (en) * | 2006-12-06 | 2010-11-30 | Saudi Arabian Oil Company | Composition and process for the removal of sulfur from middle distillate fuels |
| US20090145808A1 (en) * | 2007-11-30 | 2009-06-11 | Saudi Arabian Oil Company | Catalyst to attain low sulfur diesel |
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| US9636662B2 (en) | 2008-02-21 | 2017-05-02 | Saudi Arabian Oil Company | Catalyst to attain low sulfur gasoline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3546103A (en) * | 1969-02-03 | 1970-12-08 | Exxon Research Engineering Co | Hydrogenation catalysts on charcoal in guard chamber for removing metals from petroleum residua |
| US4032435A (en) * | 1975-01-14 | 1977-06-28 | American Cyanamid Company | Hydrodesulfurization of petroleum residuum utilizing a carbon-supported catalyst |
| US4707246A (en) * | 1986-11-14 | 1987-11-17 | Phillips Petroleum Company | Hydrotreating catalyst and process |
| US4831003A (en) * | 1987-09-14 | 1989-05-16 | Exxon Research And Engineering Company | Catalyst composition and process of making |
| US5051389A (en) * | 1987-09-16 | 1991-09-24 | Exxon Research And Engineering Company | Catalyst composition prepared by vapor depositing onto a carbon support |
| US5089453A (en) * | 1990-06-25 | 1992-02-18 | Chevron Research And Technology Company | Hydroconversion catalyst and method for making the catalyst |
| US5435907A (en) * | 1992-04-20 | 1995-07-25 | Texaco Inc. | Hydrodearomatization of middle distillate hydrocarbons |
| US5449452A (en) * | 1993-09-20 | 1995-09-12 | Sudhakar; Chakka | Hydrodearomatization of hydrocarbons |
| US5462651A (en) * | 1994-08-09 | 1995-10-31 | Texaco Inc. | Hydrodearomatization of hydrocarbon oils using novel "phosphorus treated carbon" supported metal sulfide catalysts |
| US5472595A (en) * | 1994-08-09 | 1995-12-05 | Texaco Inc. | Process for hydrodearomatization of hydrocarbon oils using carbon supported metal sulfide catalysts promoted by phosphate |
-
1995
- 1995-03-09 US US08/401,374 patent/US5676822A/en not_active Expired - Fee Related
- 1995-12-19 CA CA002165648A patent/CA2165648A1/en not_active Abandoned
-
1996
- 1996-03-05 KR KR1019960005661A patent/KR960033533A/ko not_active Application Discontinuation
- 1996-03-07 EP EP96301727A patent/EP0731156A3/en not_active Withdrawn
- 1996-03-08 JP JP8051370A patent/JPH08259960A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA2165648A1 (en) | 1996-09-10 |
| EP0731156A2 (en) | 1996-09-11 |
| JPH08259960A (ja) | 1996-10-08 |
| US5676822A (en) | 1997-10-14 |
| EP0731156A3 (en) | 1996-11-27 |
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