DE3215353A1 - Verbessertes verfahren zur entasphaltierung von schweren kohlenwasserstoff-fraktionen mit hilfe von loesungsmitteln - Google Patents
Verbessertes verfahren zur entasphaltierung von schweren kohlenwasserstoff-fraktionen mit hilfe von loesungsmittelnInfo
- Publication number
- DE3215353A1 DE3215353A1 DE19823215353 DE3215353A DE3215353A1 DE 3215353 A1 DE3215353 A1 DE 3215353A1 DE 19823215353 DE19823215353 DE 19823215353 DE 3215353 A DE3215353 A DE 3215353A DE 3215353 A1 DE3215353 A1 DE 3215353A1
- Authority
- DE
- Germany
- Prior art keywords
- fraction
- solvent
- asphaltenes
- asphalt
- resins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000002904 solvent Substances 0.000 title claims description 55
- 238000000034 method Methods 0.000 title claims description 42
- 229930195733 hydrocarbon Natural products 0.000 title claims description 14
- 150000002430 hydrocarbons Chemical class 0.000 title claims description 14
- 239000004215 Carbon black (E152) Substances 0.000 title claims description 9
- 239000010426 asphalt Substances 0.000 claims description 31
- 239000011347 resin Substances 0.000 claims description 24
- 229920005989 resin Polymers 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000007791 liquid phase Substances 0.000 claims description 4
- 239000001294 propane Substances 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 2
- 230000003292 diminished effect Effects 0.000 claims 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 26
- 239000003921 oil Substances 0.000 description 26
- 238000001556 precipitation Methods 0.000 description 19
- 239000000203 mixture Substances 0.000 description 14
- 238000002474 experimental method Methods 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 238000003756 stirring Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 6
- 238000013019 agitation Methods 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 230000008451 emotion Effects 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229960004592 isopropanol Drugs 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 150000003682 vanadium compounds Chemical class 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- -1 aliphatic alcohols Chemical class 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0465—Juxtaposition of mixers-settlers comprising vibrating mechanisms, radiations
-
- 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
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/003—Solvent de-asphalting
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8108837A FR2504934A1 (fr) | 1981-04-30 | 1981-04-30 | Procede ameliore de desasphaltage au solvant de fractions lourdes d'hydrocarbures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3215353A1 true DE3215353A1 (de) | 1982-11-18 |
Family
ID=9258047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823215353 Withdrawn DE3215353A1 (de) | 1981-04-30 | 1982-04-24 | Verbessertes verfahren zur entasphaltierung von schweren kohlenwasserstoff-fraktionen mit hilfe von loesungsmitteln |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4440633A (enExample) |
| DE (1) | DE3215353A1 (enExample) |
| FR (1) | FR2504934A1 (enExample) |
| IT (1) | IT1151753B (enExample) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2274850A (en) * | 1993-01-19 | 1994-08-10 | Great Eastern | Treatment of waste petroleum |
| WO1996010618A1 (en) * | 1994-09-30 | 1996-04-11 | Sgi International | Electrodynamic-chemical processing for beneficiation of petroleum residue |
| US5843303A (en) * | 1997-09-08 | 1998-12-01 | The M. W. Kellogg Company | Direct fired convection heating in residuum oil solvent extraction process |
| RU2163618C1 (ru) * | 1999-10-25 | 2001-02-27 | Казанский государственный технологический университет | Способ фракционирования природных битумов и высоковязких нефтей |
| US7214308B2 (en) * | 2003-02-21 | 2007-05-08 | Institut Francais Du Petrole | Effective integration of solvent deasphalting and ebullated-bed processing |
| CA2547147C (en) * | 2005-05-20 | 2014-08-05 | Value Creation Inc. | Decontamination of asphaltic heavy oil |
| US7749378B2 (en) * | 2005-06-21 | 2010-07-06 | Kellogg Brown & Root Llc | Bitumen production-upgrade with common or different solvents |
| KR101139059B1 (ko) * | 2005-07-20 | 2012-04-30 | 에스케이에너지 주식회사 | 석유핏치를 함유하는 고품질 아스팔트 및 이의 제조방법 |
| US8608942B2 (en) * | 2007-03-15 | 2013-12-17 | Kellogg Brown & Root Llc | Systems and methods for residue upgrading |
| US8057578B2 (en) * | 2007-12-12 | 2011-11-15 | Kellogg Brown & Root Llc | Method for treatment of process waters |
| US8048202B2 (en) * | 2007-12-12 | 2011-11-01 | Kellogg Brown & Root Llc | Method for treatment of process waters using steam |
| US8048291B2 (en) * | 2007-12-27 | 2011-11-01 | Kellogg Brown & Root Llc | Heavy oil upgrader |
| US8277637B2 (en) * | 2007-12-27 | 2012-10-02 | Kellogg Brown & Root Llc | System for upgrading of heavy hydrocarbons |
| US8152994B2 (en) * | 2007-12-27 | 2012-04-10 | Kellogg Brown & Root Llc | Process for upgrading atmospheric residues |
| US7981277B2 (en) * | 2007-12-27 | 2011-07-19 | Kellogg Brown & Root Llc | Integrated solvent deasphalting and dewatering |
| EA021729B1 (ru) * | 2008-03-11 | 2015-08-31 | Петросоник Энерджи Инк. | Способ очистки тяжелой сырой нефти |
| US20100144088A1 (en) * | 2008-12-05 | 2010-06-10 | Electronics And Telecommunications Research Institute | Method for forming metal oxide and method for forming transistor structure with the same |
| US8287720B2 (en) | 2009-06-23 | 2012-10-16 | Lummus Technology Inc. | Multistage resid hydrocracking |
| KR101779605B1 (ko) * | 2010-06-04 | 2017-09-19 | 에스케이이노베이션 주식회사 | 감압증류된 탈아스팔트유를 이용한 윤활기유 제조방법 |
| US9120978B2 (en) * | 2012-02-24 | 2015-09-01 | Baker Hughes Incorporated | Exfoliation of asphaltenes for improved recovery of unconventional oils |
| US9017546B2 (en) | 2012-06-19 | 2015-04-28 | Baker Hughes Incorporated | Exfoliation of asphaltenes |
| CN103805229A (zh) * | 2012-11-15 | 2014-05-21 | 中国石油大学(华东) | 一种改善渣油轻质化性能的原料预处理方法 |
| EP3204473B1 (en) | 2014-10-07 | 2020-05-06 | Shell International Research Maatschappij B.V. | A hydrocracking process integrated with solvent deasphalting to reduce heavy polycyclic aromatic buildup in heavy oil hydrocracker recycle stream |
| EP3209753B1 (en) | 2014-10-22 | 2025-05-28 | Shell Internationale Research Maatschappij B.V. | A hydrocracking process integrated with vacuum distillation and solvent dewaxing to reduce heavy polycyclic aromatic buildup |
| US9695369B2 (en) | 2014-11-21 | 2017-07-04 | Lummus Technology Inc. | Process to upgrade partially converted vacuum residua |
| HUE071842T2 (hu) | 2016-12-22 | 2025-09-28 | Lummus Technology Inc | Többfokozatú maradék hidrokrakkolás |
| FR3075809B1 (fr) | 2017-12-21 | 2020-09-11 | Ifp Energies Now | Procede de conversion de charges lourdes d’hydrocarbures avec recycle d’une huile desasphaltee |
| FR3113062B1 (fr) | 2020-07-30 | 2023-11-03 | Ifp Energies Now | Procédé d’hydroconversion de résidus à plusieurs étages d’hydroconversion intégrant une étape de désasphaltage |
| FR3113678B1 (fr) | 2020-08-31 | 2022-08-12 | Ifp Energies Now | Bitumes comportant des bases bitumes non conventionnelles |
| FR3130836B1 (fr) | 2021-12-20 | 2025-10-03 | Ifp Energies Now | Hydroconversion en lit bouillonnant ou hybride bouillonnant-entraîné d’une charge comportant une fraction plastique |
| FR3133197B1 (fr) | 2022-03-01 | 2025-06-13 | Ifp Energies Now | Hydroconversion en lit bouillonnant ou hybride bouillonnant-entraîné d’une charge comportant une fraction d’huile végétale ou animale |
| FR3133618B1 (fr) | 2022-03-17 | 2025-03-21 | Ifp Energies Now | Hydroconversion en lit bouillonnant ou hybride bouillonnant-entraîné d’une charge comportant une fraction d’huile de pyrolyse de plastiques et/ou de combustibles solides de recuperation |
| FR3149900A1 (fr) | 2023-06-14 | 2024-12-20 | IFP Energies Nouvelles | Hydroconversion en lit bouillonnant ou hybride promue par de l’h2s d’une charge comportant une fraction plastique |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2010008A (en) * | 1933-03-06 | 1935-08-06 | Union Oil Co | Method for treating oils |
| US2265762A (en) * | 1940-04-09 | 1941-12-09 | Shell Dev | Separation of phases with the aid of sonic waves |
| US2500757A (en) * | 1947-03-12 | 1950-03-14 | Texaco Development Corp | Removal of asphaltic constituents from hydrocarbon oil |
| US2773004A (en) * | 1952-03-18 | 1956-12-04 | Sinclair Refining Co | Solvent decovery of resins from precipitated asphalt |
| US2915444A (en) * | 1955-12-09 | 1959-12-01 | Enthone | Process for cleaning and plating ferrous metals |
| US2909482A (en) * | 1957-11-14 | 1959-10-20 | Exxon Research Engineering Co | Determination of asphaltic components of petroleum |
| US3053751A (en) * | 1958-05-14 | 1962-09-11 | Kerr Mc Gee Oil Ind Inc | Fractionation of bituminous substances |
| US3003946A (en) * | 1959-03-11 | 1961-10-10 | Kerr Mc Gee Oil Ind Inc | Separation of asphalt-type bituminous materials utilizing aliphatic alcohols of 3 through 4 carbon atoms |
| US3222231A (en) * | 1962-09-18 | 1965-12-07 | Atlantic Res Corp | Process for producing finely divided rounded particles |
| NL296536A (enExample) * | 1963-08-12 | |||
| US3364139A (en) * | 1966-12-01 | 1968-01-16 | Universal Oil Prod Co | Method for separating isobutane from an alkylate effluent |
| US3434967A (en) * | 1967-09-01 | 1969-03-25 | Chevron Res | Process for simultaneous solvent recovery from and granulation of asphalts |
| US3542345A (en) * | 1968-06-13 | 1970-11-24 | Ultrasonic Systems | Ultrasonic vials and method and apparatus for mixing materials in same |
| US3627675A (en) * | 1969-10-16 | 1971-12-14 | Foster Wheeler Corp | Solvent deasphalting with two light hydrocarbon solvents |
| US3775292A (en) * | 1972-08-01 | 1973-11-27 | Universal Oil Prod Co | Combination process for the conversion of hydrocarbonaceous black oil |
| US3830732A (en) * | 1972-09-18 | 1974-08-20 | Universal Oil Prod Co | Solvent deasphalting process |
| JPS582162B2 (ja) * | 1974-07-02 | 1983-01-14 | 丸善石油株式会社 | ダツアスフアルトユノ セイホウ |
| US4054506A (en) * | 1976-04-28 | 1977-10-18 | Western Oil Sands Ltd. | Method of removing bitumen from tar sand utilizing ultrasonic energy and stirring |
| US4101415A (en) * | 1977-03-14 | 1978-07-18 | Phillips Petroleum Company | Solvent deasphalting |
| US4208263A (en) * | 1979-02-15 | 1980-06-17 | Mobil Oil Corporation | Solvent extraction production of lube oil fractions |
| US4239616A (en) * | 1979-07-23 | 1980-12-16 | Kerr-Mcgee Refining Corporation | Solvent deasphalting |
| US4324651A (en) * | 1980-12-09 | 1982-04-13 | Mobil Oil Corporation | Deasphalting process |
-
1981
- 1981-04-30 FR FR8108837A patent/FR2504934A1/fr active Granted
-
1982
- 1982-04-24 DE DE19823215353 patent/DE3215353A1/de not_active Withdrawn
- 1982-04-29 IT IT20985/82A patent/IT1151753B/it active
- 1982-04-30 US US06/373,595 patent/US4440633A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT1151753B (it) | 1986-12-24 |
| IT8220985A0 (it) | 1982-04-29 |
| FR2504934A1 (fr) | 1982-11-05 |
| US4440633A (en) | 1984-04-03 |
| FR2504934B1 (enExample) | 1983-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3215353A1 (de) | Verbessertes verfahren zur entasphaltierung von schweren kohlenwasserstoff-fraktionen mit hilfe von loesungsmitteln | |
| DE69004082T2 (de) | Lösungsmittel-extraktionsverfahren. | |
| DE3541465C2 (enExample) | ||
| DE69321060T2 (de) | Verfahren zur entfernung von gelbildendem material aus methylaluminoxanen | |
| DE69014594T2 (de) | Wiederverwendung von ölhaltigen raffinerierückständen. | |
| DE2810332C2 (de) | Verfahren zur Abtrennung von chinolinunlöslichen Bestandteilen aus Steinkohlenteerpech | |
| DE3018755A1 (de) | Verfahren zur hydrierung von schweren kohlenwasserstoffen in gegenwart eines dispergierten katalysators | |
| DE2355606A1 (de) | Kohleverfluessigung | |
| DE19632659A1 (de) | Verfahren zum Extrahieren von Bitumen aus Teersand | |
| DE60214537T2 (de) | Entfernung von ölen aus säuren | |
| DE10147093A1 (de) | Kombiniertes Verfahren der Asphaltentziehung und des verzögerten Verkokens eines Lösungsmittels mit geringem Gehalt | |
| DE69024337T2 (de) | Lösemittelextraktion von Schmierölen | |
| DE69006469T2 (de) | Verfahren zur Entfernung von metallischen Verunreinigungen aus Kohlenwasserstoffölen. | |
| DE69011120T2 (de) | Verfahren zur behandlung emulgierter petroleumabfälle. | |
| DE2824062A1 (de) | Kohleverfluessigungsverfahren | |
| DE3603883A1 (de) | Verfahren zur herstellung von steinkohlenteerpech-rohstoffen mit verbesserten eigenschaften und deren verwendung | |
| DE1004756B (de) | Verfahren zur Herstellung von Benzin und verwandten Produkten aus hoehersiedenden Erdoelfraktionen durch Hydrierung und katalytische Spaltung | |
| DE3302938A1 (de) | Kohleextraktionsverfahren | |
| DE2432026A1 (de) | Verfahren zum selektiven cracken von geradkettigen und leicht verzweigtkettigen kohlenwasserstoffen | |
| DE2136700C3 (de) | Verfahren zur Herstellung von reinem m-Kresol | |
| DE2344251A1 (de) | Verfahren zur umwandlung einer schwefel, asche und asphalten enthaltenden kohlenwasserstoffbeschickung | |
| DE3325128A1 (de) | Verfahren zur loesungsmittel-raffinierung von kohle | |
| DE3133901C2 (enExample) | ||
| DE3132051A1 (de) | Verfahren zur rueckgewinnung von kohlenwasserstoffen aus waessrigen abfaellen | |
| DE961480C (de) | Verfahren zum Entasphaltieren von Rueckstandsoelen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |