ZA708731B - Coal liquefaction process by three-stage solvent extraction - Google Patents
Coal liquefaction process by three-stage solvent extractionInfo
- Publication number
- ZA708731B ZA708731B ZA708731A ZA708731A ZA708731B ZA 708731 B ZA708731 B ZA 708731B ZA 708731 A ZA708731 A ZA 708731A ZA 708731 A ZA708731 A ZA 708731A ZA 708731 B ZA708731 B ZA 708731B
- Authority
- ZA
- South Africa
- Prior art keywords
- solvent extraction
- liquefaction process
- coal liquefaction
- stage solvent
- stage
- Prior art date
Links
- 239000003245 coal Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000638 solvent extraction Methods 0.000 title 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/006—Combinations of processes provided in groups C10G1/02 - C10G1/08
-
- 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
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/107—Atmospheric residues having a boiling point of at least about 538 °C
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (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 |
---|---|---|---|
US88853469A | 1969-12-29 | 1969-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA708731B true ZA708731B (en) | 1971-10-27 |
Family
ID=25393343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA708731A ZA708731B (en) | 1969-12-29 | 1970-12-29 | Coal liquefaction process by three-stage solvent extraction |
Country Status (2)
Country | Link |
---|---|
US (1) | US3583900A (en) |
ZA (1) | ZA708731B (en) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3726785A (en) * | 1971-03-03 | 1973-04-10 | Exxon Research Engineering Co | Coal liquefaction using high and low boiling solvents |
US3852182A (en) * | 1972-11-07 | 1974-12-03 | Lummus Co | Coal liquefaction |
US3867275A (en) * | 1973-04-09 | 1975-02-18 | Universal Oil Prod Co | Coal liquefaction process |
US3932266A (en) * | 1973-12-12 | 1976-01-13 | The Lummus Company | Synthetic crude from coal |
US3997425A (en) * | 1974-12-26 | 1976-12-14 | Universal Oil Products Company | Process for the liquefaction of coal |
US4299892A (en) * | 1975-12-17 | 1981-11-10 | Exxon Research & Engineering Co. | Amorphous and sheet dichalcogenides of Group IVb, Vb, molybdenum and tungsten |
US4002556A (en) * | 1976-04-12 | 1977-01-11 | Continental Oil Company | Multiple point injection of hydrogen donor diluent in thermal cracking |
US4119523A (en) * | 1976-08-23 | 1978-10-10 | Kerr-Mcgee Corporation | Processes for the production of deashed coal |
US4391699A (en) * | 1976-12-27 | 1983-07-05 | Chevron Research Company | Coal liquefaction process |
US4134821A (en) * | 1977-06-01 | 1979-01-16 | Continental Oil Company | Maintenance of solvent balance in coal liquefaction process |
US4125452A (en) * | 1977-06-10 | 1978-11-14 | Exxon Research & Engineering Co. | Integrated coal liquefaction process |
US4094770A (en) * | 1977-06-22 | 1978-06-13 | Chevron Research Company | Process for removing unfilterable solids from an oil |
US4180456A (en) * | 1977-06-27 | 1979-12-25 | The Dow Chemical Company | Process for recovering a premium oil from a slurry produced by high temperature hydrogenation of a solid, hydrocarbonaceous fuel |
US4133740A (en) * | 1977-10-21 | 1979-01-09 | Gulf Research & Development Company | Process for increasing the fuel yield of coal liquefaction products by extraction of asphaltenes, resins and aromatic compounds from said coal liquefaction products |
US4222844A (en) * | 1978-05-08 | 1980-09-16 | Exxon Research & Engineering Co. | Use of once-through treat gas to remove the heat of reaction in solvent hydrogenation processes |
US4338182A (en) * | 1978-10-13 | 1982-07-06 | Exxon Research & Engineering Co. | Multiple-stage hydrogen-donor coal liquefaction |
US4358359A (en) * | 1979-09-07 | 1982-11-09 | Chevron Research Company | Two-stage coal liquefaction process with process-derived solvent having a low heptane-insolubles content |
US4350582A (en) * | 1979-10-18 | 1982-09-21 | Chevron Research Company | Two-stage coal liquefaction process with process-derived solvent |
US4331531A (en) * | 1979-10-22 | 1982-05-25 | Chevron Research Company | Three-stage coal liquefaction process |
US4292164A (en) * | 1979-12-28 | 1981-09-29 | Mobil Oil Corporation | Liquefaction of carbonaceous material with hydrogen and naphtha-extracted recycle solvent without heterogeneous catalyst |
US4312747A (en) * | 1980-02-19 | 1982-01-26 | Uop Inc. | Process for deashing primary coal liquids |
DE3038842C2 (en) * | 1980-10-15 | 1986-06-19 | Bergwerksverband Gmbh, 4300 Essen | Process for increasing coal oil recovery from carbohydrate hydrogenation |
US4334977A (en) * | 1981-01-15 | 1982-06-15 | Mobil Oil Corporation | Method for the generation of recycle solvents in coal liquefaction |
US4392940A (en) * | 1981-04-09 | 1983-07-12 | International Coal Refining Company | Coal-oil slurry preparation |
US4421630A (en) * | 1981-10-05 | 1983-12-20 | International Coal Refining Company | Process for coal liquefaction in staged dissolvers |
US4389301A (en) * | 1981-10-22 | 1983-06-21 | Chevron Research Company | Two-step hydroprocessing of heavy hydrocarbonaceous oils |
NL8203780A (en) * | 1981-10-16 | 1983-05-16 | Chevron Res | Process for the hydroprocessing of heavy hydrocarbonaceous oils. |
US4376037A (en) * | 1981-10-16 | 1983-03-08 | Chevron Research Company | Hydroprocessing of heavy hydrocarbonaceous oils |
ZA83346B (en) * | 1982-02-09 | 1984-03-28 | Coal Industry Patents Ltd | Coal extraction |
US4663028A (en) * | 1985-08-28 | 1987-05-05 | Foster Wheeler Usa Corporation | Process of preparing a donor solvent for coal liquefaction |
US5120429A (en) * | 1987-07-10 | 1992-06-09 | Lummus Crest Inc. | Co-processing of carbonaceous solids and petroleum oil |
US9162952B2 (en) | 2013-11-19 | 2015-10-20 | Uop Llc | Process for purifying products from coal tar |
WO2019055529A1 (en) * | 2017-09-13 | 2019-03-21 | University Of Wyoming | Systems and methods for refining coal into high value products |
JP2022523829A (en) | 2019-03-12 | 2022-04-26 | ユニバーシティ オブ ワイオミング | Thermochemical treatment of coal by solvent extraction |
-
1969
- 1969-12-29 US US888534A patent/US3583900A/en not_active Expired - Lifetime
-
1970
- 1970-12-29 ZA ZA708731A patent/ZA708731B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US3583900A (en) | 1971-06-08 |
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