DD156920A5 - Verfahren zur umwandlung aschehaltiger foerderkohle - Google Patents

Verfahren zur umwandlung aschehaltiger foerderkohle Download PDF

Info

Publication number: DD156920A5
Authority: DD; German Democratic Republic
Prior art keywords: ohp; solvent; coal; thp; item
Prior art date: 1980-02-05

Application number

DD81227455A

Other languages

German (de)

English (en)

Inventor

Shirley C Tsai

Ilvried Iii Howard G Mc

Original Assignee

Gulf Research Development 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.)

1980-02-05

Filing date

1981-02-05

Publication date

1982-09-29

1981-02-05 Application filed by Gulf Research Development Co filed Critical Gulf Research Development Co

1982-09-29 Publication of DD156920A5 publication Critical patent/DD156920A5/de

Links

239000003245 coal Substances 0.000 title claims abstract description 116
238000000034 method Methods 0.000 title claims abstract description 83
230000008569 process Effects 0.000 title claims abstract description 66
229910052799 carbon Inorganic materials 0.000 title claims abstract description 13
238000006243 chemical reaction Methods 0.000 title claims description 19
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract description 12
239000002904 solvent Substances 0.000 claims abstract description 161
229910052739 hydrogen Inorganic materials 0.000 claims abstract description 80
239000001257 hydrogen Substances 0.000 claims abstract description 80
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 64
239000003054 catalyst Substances 0.000 claims abstract description 47
239000007788 liquid Substances 0.000 claims abstract description 46
229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 38
239000011707 mineral Substances 0.000 claims abstract description 38
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 18
229910052721 tungsten Inorganic materials 0.000 claims abstract description 18
239000010937 tungsten Substances 0.000 claims abstract description 18
239000000446 fuel Substances 0.000 claims abstract description 13
238000004519 manufacturing process Methods 0.000 claims abstract description 9
238000002156 mixing Methods 0.000 claims abstract description 8
CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 claims description 72
238000005984 hydrogenation reaction Methods 0.000 claims description 21
239000010802 sludge Substances 0.000 claims description 13
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
229910052719 titanium Inorganic materials 0.000 claims description 11
239000010936 titanium Substances 0.000 claims description 11
239000002002 slurry Substances 0.000 claims description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
229910052751 metal Inorganic materials 0.000 claims description 5
239000002184 metal Substances 0.000 claims description 5
238000004090 dissolution Methods 0.000 claims description 4
150000002739 metals Chemical class 0.000 claims description 3
238000007614 solvation Methods 0.000 abstract description 26
150000002431 hydrogen Chemical class 0.000 abstract description 17
238000011084 recovery Methods 0.000 abstract 1
238000012360 testing method Methods 0.000 description 57
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 19
238000009903 catalytic hydrogenation reaction Methods 0.000 description 19
239000000852 hydrogen donor Substances 0.000 description 17
239000002956 ash Substances 0.000 description 11
230000000694 effects Effects 0.000 description 10
239000000047 product Substances 0.000 description 10
101000588924 Anthopleura elegantissima Delta-actitoxin-Ael1a Proteins 0.000 description 9
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
238000004821 distillation Methods 0.000 description 9
229910052759 nickel Inorganic materials 0.000 description 9
125000000217 alkyl group Chemical group 0.000 description 8
238000004458 analytical method Methods 0.000 description 7
150000001875 compounds Chemical class 0.000 description 7
230000008901 benefit Effects 0.000 description 6
239000000463 material Substances 0.000 description 6
239000000203 mixture Substances 0.000 description 6
YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 6
150000003254 radicals Chemical class 0.000 description 6
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 5
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
230000003197 catalytic effect Effects 0.000 description 5
229910052750 molybdenum Inorganic materials 0.000 description 5
239000011733 molybdenum Substances 0.000 description 5
229910052760 oxygen Inorganic materials 0.000 description 5
239000001301 oxygen Substances 0.000 description 5
229920006395 saturated elastomer Polymers 0.000 description 5
229910052717 sulfur Inorganic materials 0.000 description 5
239000011593 sulfur Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
150000001454 anthracenes Chemical class 0.000 description 4
125000003118 aryl group Chemical group 0.000 description 4
238000009835 boiling Methods 0.000 description 4
230000007423 decrease Effects 0.000 description 4
239000000126 substance Substances 0.000 description 4
GNMCGMFNBARSIY-UHFFFAOYSA-N 1,2,3,4,4a,4b,5,6,7,8,8a,9,10,10a-tetradecahydrophenanthrene Chemical class C1CCCC2C3CCCCC3CCC21 GNMCGMFNBARSIY-UHFFFAOYSA-N 0.000 description 3
PJDWNSYGMXODTB-UHFFFAOYSA-N 1,2,3,4,4a,4b,5,6-octahydrophenanthrene Chemical compound C1=CCCC2C(CCCC3)C3=CC=C21 PJDWNSYGMXODTB-UHFFFAOYSA-N 0.000 description 3
239000004215 Carbon black (E152) Substances 0.000 description 3
238000003776 cleavage reaction Methods 0.000 description 3
XXPBFNVKTVJZKF-UHFFFAOYSA-N dihydrophenanthrene Natural products C1=CC=C2CCC3=CC=CC=C3C2=C1 XXPBFNVKTVJZKF-UHFFFAOYSA-N 0.000 description 3
238000000921 elemental analysis Methods 0.000 description 3
229930195733 hydrocarbon Natural products 0.000 description 3
150000002430 hydrocarbons Chemical class 0.000 description 3
150000002987 phenanthrenes Chemical class 0.000 description 3
229910052698 phosphorus Inorganic materials 0.000 description 3
229920000642 polymer Polymers 0.000 description 3
238000004064 recycling Methods 0.000 description 3
230000007017 scission Effects 0.000 description 3
239000007787 solid Substances 0.000 description 3
238000012546 transfer Methods 0.000 description 3
PUNXVEAWLAVABA-UHFFFAOYSA-N 1,2,3,4-tetrahydroanthracene;1,2,5,6-tetrahydroanthracene Chemical compound C1=CC=C2C=C(CCCC3)C3=CC2=C1.C1=CCCC2=C1C=C1CCC=CC1=C2 PUNXVEAWLAVABA-UHFFFAOYSA-N 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
XBDYBAVJXHJMNQ-UHFFFAOYSA-N Tetrahydroanthracene Natural products C1=CC=C2C=C(CCCC3)C3=CC2=C1 XBDYBAVJXHJMNQ-UHFFFAOYSA-N 0.000 description 2
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
-1 acenaphthalenes Chemical class 0.000 description 2
229910002091 carbon monoxide Inorganic materials 0.000 description 2
239000012876 carrier material Substances 0.000 description 2
JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
239000000386 donor Substances 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
239000007789 gas Substances 0.000 description 2
125000005842 heteroatom Chemical group 0.000 description 2
229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
239000012263 liquid product Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
230000009467 reduction Effects 0.000 description 2
150000004763 sulfides Chemical class 0.000 description 2
VTIBBOHXBURHMD-UHFFFAOYSA-N 1,2,3,4,4a,5,10,10a-octahydroanthracene Chemical compound C1=CCC2CC(CCCC3)C3=CC2=C1 VTIBBOHXBURHMD-UHFFFAOYSA-N 0.000 description 1
GVJFFQYXVOJXFI-UHFFFAOYSA-N 1,2,3,4,4a,5,6,7,8,8a,9,9a,10,10a-tetradecahydroanthracene Chemical compound C1C2CCCCC2CC2C1CCCC2 GVJFFQYXVOJXFI-UHFFFAOYSA-N 0.000 description 1
UXNCDAQNSQBHEN-UHFFFAOYSA-N 1,2,3,4-tetrahydrophenanthrene Chemical compound C1=CC2=CC=CC=C2C2=C1CCCC2 UXNCDAQNSQBHEN-UHFFFAOYSA-N 0.000 description 1
229910018516 Al—O Inorganic materials 0.000 description 1
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
241000158147 Sator Species 0.000 description 1
230000009471 action Effects 0.000 description 1
239000008186 active pharmaceutical agent Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
239000003125 aqueous solvent Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
238000004517 catalytic hydrocracking Methods 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000005284 excitation Effects 0.000 description 1
230000004992 fission Effects 0.000 description 1
239000011737 fluorine Substances 0.000 description 1
229910052731 fluorine Inorganic materials 0.000 description 1
229910052809 inorganic oxide Inorganic materials 0.000 description 1
238000002386 leaching Methods 0.000 description 1
239000000395 magnesium oxide Substances 0.000 description 1
238000004949 mass spectrometry Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
150000002790 naphthalenes Chemical class 0.000 description 1
AJPIOVVMKXLWBB-UHFFFAOYSA-J nickel tetrafluorotungsten Chemical compound [W](F)(F)(F)F.[Ni] AJPIOVVMKXLWBB-UHFFFAOYSA-J 0.000 description 1
229940038031 nitrogen 10 % Drugs 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
229940062054 oxygen 30 % Drugs 0.000 description 1
238000004321 preservation Methods 0.000 description 1
NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
229910052683 pyrite Inorganic materials 0.000 description 1
239000011028 pyrite Substances 0.000 description 1
238000010526 radical polymerization reaction Methods 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000004449 solid propellant Substances 0.000 description 1
239000011877 solvent mixture Substances 0.000 description 1
230000008961 swelling Effects 0.000 description 1
ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 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
- 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
- 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
- C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
- C10G1/042—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction by the use of hydrogen-donor solvents
- 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
- C10G1/06—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation
- C10G1/065—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation in the presence of a solvent
- 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

Landscapes

Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Peptides Or Proteins (AREA)
Solid Fuels And Fuel-Associated Substances (AREA)

DD81227455A 1980-02-05 1981-02-05 Verfahren zur umwandlung aschehaltiger foerderkohle DD156920A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/118,860 US4322284A (en)	1980-02-05	1980-02-05	Solvent refining of coal using octahydrophenanthrene-enriched solvent and coal minerals recycle

Publications (1)

Publication Number	Publication Date
DD156920A5 true DD156920A5 (de)	1982-09-29

Family

ID=22381184

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD81227455A DD156920A5 (de)	1980-02-05	1981-02-05	Verfahren zur umwandlung aschehaltiger foerderkohle

Country Status (10)

Country	Link
US (1)	US4322284A (cs)
EP (1)	EP0033621A1 (cs)
JP (1)	JPS57500073A (cs)
BR (1)	BR8105664A (cs)
CS (1)	CS218348B1 (cs)
DD (1)	DD156920A5 (cs)
ES (1)	ES8202580A1 (cs)
PL (1)	PL229511A1 (cs)
WO (1)	WO1981002305A1 (cs)
ZA (1)	ZA81487B (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4495055A (en) *	1982-04-05	1985-01-22	Hri, Inc.	Coal catalytic hydrogenation process using direct coal slurry feed to reactor with controlled mixing conditions
US4741806A (en) *	1983-03-16	1988-05-03	Phillips Petroleum Company	Solvent Extractor
JPH0730340B2 (ja) *	1983-05-16	1995-04-05	三菱化学株式会社	石炭の油留分への転化方法
US4511460A (en) *	1984-03-21	1985-04-16	International Coal Refining Company	Minimizing corrosion in coal liquid distillation
US5047300A (en) *	1989-06-14	1991-09-10	Bolder Battery, Inc.	Ultra-thin plate electrochemical cell

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3505203A (en) *	1967-06-26	1970-04-07	Universal Oil Prod Co	Solvent extraction method
US3503864A (en) *	1967-12-29	1970-03-31	Universal Oil Prod Co	Coal liquefaction method
US3488278A (en) *	1968-01-25	1970-01-06	Universal Oil Prod Co	Process for treating coal
US3726785A (en) *	1971-03-03	1973-04-10	Exxon Research Engineering Co	Coal liquefaction using high and low boiling solvents
US3867275A (en) *	1973-04-09	1975-02-18	Universal Oil Prod Co	Coal liquefaction process
US3884794A (en) *	1974-03-04	1975-05-20	Us Interior	Solvent refined coal process including recycle of coal minerals
US4048054A (en) *	1976-07-23	1977-09-13	Exxon Research And Engineering Company	Liquefaction of coal
US4022680A (en) *	1975-12-17	1977-05-10	Exxon Research And Engineering Company	Hydrogen donor solvent coal liquefaction process
US4018663A (en) *	1976-01-05	1977-04-19	The United States Of America As Represented By The United States Energy Research And Development Administration	Coal liquefaction process
US4051012A (en) *	1976-05-17	1977-09-27	Exxon Research & Engineering Co.	Coal liquefaction process
US4045328A (en) *	1976-07-23	1977-08-30	Exxon Research And Engineering Company	Production of hydrogenated coal liquids
US4123347A (en) *	1976-12-22	1978-10-31	Exxon Research & Engineering Co.	Coal liquefaction process
US4190518A (en) *	1977-12-29	1980-02-26	Gulf Research And Development Company	Solvent refined coal process
DE2808421A1 (de) *	1978-02-27	1979-08-30	Exxon Research Engineering Co	Verfahren zur verfluessigung von kohle und kohlehaltigen feststoffen
US4252633A (en) *	1978-08-21	1981-02-24	Exxon Research & Engineering Co.	Coal liquefaction process
US4222848A (en) *	1978-12-15	1980-09-16	Gulf Oil Corporation	Coal liquefaction process employing extraneous minerals
US4255248A (en) *	1979-09-07	1981-03-10	Chevron Research Company	Two-stage coal liquefaction process with process-derived solvent having a low heptane-insolubiles content

1980
- 1980-02-05 US US06/118,860 patent/US4322284A/en not_active Expired - Lifetime
1981
- 1981-01-02 WO PCT/US1981/000004 patent/WO1981002305A1/en not_active Ceased
- 1981-01-02 JP JP56500935A patent/JPS57500073A/ja active Pending
- 1981-01-02 BR BR8105664A patent/BR8105664A/pt unknown
- 1981-01-23 ZA ZA00810487A patent/ZA81487B/xx unknown
- 1981-01-26 EP EP81300329A patent/EP0033621A1/en not_active Withdrawn
- 1981-02-04 PL PL22951181A patent/PL229511A1/xx unknown
- 1981-02-04 ES ES499095A patent/ES8202580A1/es not_active Expired
- 1981-02-04 CS CS81862A patent/CS218348B1/cs unknown
- 1981-02-05 DD DD81227455A patent/DD156920A5/de unknown

Also Published As

Publication number	Publication date
US4322284A (en)	1982-03-30
BR8105664A (pt)	1981-12-15
WO1981002305A1 (en)	1981-08-20
JPS57500073A (cs)	1982-01-14
ES499095A0 (es)	1982-02-01
EP0033621A1 (en)	1981-08-12
PL229511A1 (cs)	1981-10-16
ES8202580A1 (es)	1982-02-01
ZA81487B (en)	1982-02-24
CS218348B1 (en)	1983-02-25

Publication	Publication Date	Title
DE2729508C2 (cs)	1988-01-07
DE2729533C2 (cs)	1988-02-18
DE1768566A1 (de)	1971-11-18	Kohlehydrierverfahren
DE2808561A1 (de)	1978-08-31	Verfahren zum hydrieren von kohlenwasserstoffmaterialien
DE2739078A1 (de)	1978-03-02	Verfahren zur umwandlung von kohlenwasserstoffen
DE3414788A1 (de)	1984-10-25	Katalytisches kohleverfluessigungsverfahren
DE2722046A1 (de)	1977-12-08	Kohleverfluessigungsverfahren
DE3201118A1 (de)	1982-10-21	Verfahren zum verfluessigen festen kohlenstoffhaltigen materials
DE3233344A1 (de)	1983-03-24	Verfahren zur verfluessigung von kohle
DE2345230C2 (de)	1987-01-29	Verfahren zur Herstellung von künstlichem Erdgas
DE3033259A1 (de)	1981-03-26	Verfahren zur loesungsmittelraffination von kohle
DD144787A5 (de)	1980-11-05	Kombiniertes kohleverfluessigungs-vergasungsverfahren
DE2735609A1 (de)	1978-04-13	Verfahren zur verfluessigung von kohle
DD158795A5 (de)	1983-02-02	Verfahren zur herstellung einer normalerweise festen geloesten kohle
DD156920A5 (de)	1982-09-29	Verfahren zur umwandlung aschehaltiger foerderkohle
DE3529795A1 (de)	1986-03-06	Verfahren zur verfluessigung von kohle
DE3038951C2 (cs)	1988-08-25
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