DD158794A5 - Verfahren zur herstellung einer normalerweise festen geloesten kohle - Google Patents

Verfahren zur herstellung einer normalerweise festen geloesten kohle Download PDF

Info

Publication number: DD158794A5
Authority: DD; German Democratic Republic
Prior art keywords: item; solvent; coal; mass; zone
Prior art date: 1980-09-09

Application number

DD81229410A

Other languages

German (de)

English (en)

Inventor

Raymond P Anderson

David K Schmalzer

Charles H Wright

Original Assignee

Pittsburgh Midway Coal Mining

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.)

1980-09-09

Filing date

1981-04-22

Publication date

1983-02-02

1981-04-22 Application filed by Pittsburgh Midway Coal Mining filed Critical Pittsburgh Midway Coal Mining

1983-02-02 Publication of DD158794A5 publication Critical patent/DD158794A5/de

Links

239000003245 coal Substances 0.000 title claims abstract description 112
239000007787 solid Substances 0.000 title claims abstract description 74
238000004519 manufacturing process Methods 0.000 title description 7
239000002904 solvent Substances 0.000 claims abstract description 165
239000001257 hydrogen Substances 0.000 claims abstract description 87
229910052739 hydrogen Inorganic materials 0.000 claims abstract description 87
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 80
239000007788 liquid Substances 0.000 claims abstract description 53
238000006243 chemical reaction Methods 0.000 claims abstract description 47
239000002002 slurry Substances 0.000 claims abstract description 19
239000012429 reaction media Substances 0.000 claims abstract description 17
238000000034 method Methods 0.000 claims description 115
230000008569 process Effects 0.000 claims description 80
239000010802 sludge Substances 0.000 claims description 49
238000010791 quenching Methods 0.000 claims description 21
229910052799 carbon Inorganic materials 0.000 claims description 19
230000000171 quenching effect Effects 0.000 claims description 19
239000000126 substance Substances 0.000 claims description 17
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
239000007789 gas Substances 0.000 claims description 13
238000005984 hydrogenation reaction Methods 0.000 claims description 12
238000006116 polymerization reaction Methods 0.000 claims description 12
238000000926 separation method Methods 0.000 claims description 8
238000009835 boiling Methods 0.000 claims description 7
150000002431 hydrogen Chemical class 0.000 claims description 6
229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
239000011707 mineral Substances 0.000 claims description 5
230000015572 biosynthetic process Effects 0.000 claims description 4
230000003197 catalytic effect Effects 0.000 claims description 4
238000004090 dissolution Methods 0.000 claims description 4
238000001914 filtration Methods 0.000 claims description 3
230000009467 reduction Effects 0.000 claims description 3
230000002459 sustained effect Effects 0.000 claims description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
230000036571 hydration Effects 0.000 claims 1
238000006703 hydration reaction Methods 0.000 claims 1
230000005764 inhibitory process Effects 0.000 claims 1
238000000638 solvent extraction Methods 0.000 claims 1
239000000463 material Substances 0.000 abstract description 13
238000004821 distillation Methods 0.000 abstract description 11
238000010438 heat treatment Methods 0.000 abstract description 2
238000012423 maintenance Methods 0.000 abstract 1
230000003134 recirculating effect Effects 0.000 abstract 1
239000000047 product Substances 0.000 description 27
229930195733 hydrocarbon Natural products 0.000 description 24
150000002430 hydrocarbons Chemical class 0.000 description 24
238000012360 testing method Methods 0.000 description 22
239000004215 Carbon black (E152) Substances 0.000 description 19
238000004517 catalytic hydrocracking Methods 0.000 description 19
239000000243 solution Substances 0.000 description 12
239000002956 ash Substances 0.000 description 11
230000007423 decrease Effects 0.000 description 10
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
239000000446 fuel Substances 0.000 description 9
239000003502 gasoline Substances 0.000 description 9
230000000694 effects Effects 0.000 description 8
230000008901 benefit Effects 0.000 description 7
150000003254 radicals Chemical class 0.000 description 7
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
239000011593 sulfur Substances 0.000 description 6
229910052717 sulfur Inorganic materials 0.000 description 6
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
238000009903 catalytic hydrogenation reaction Methods 0.000 description 5
238000000605 extraction Methods 0.000 description 5
238000002156 mixing Methods 0.000 description 5
239000011541 reaction mixture Substances 0.000 description 5
230000002829 reductive effect Effects 0.000 description 5
101000588924 Anthopleura elegantissima Delta-actitoxin-Ael1a Proteins 0.000 description 4
239000003054 catalyst Substances 0.000 description 4
230000003247 decreasing effect Effects 0.000 description 4
238000002347 injection Methods 0.000 description 4
239000007924 injection Substances 0.000 description 4
239000012263 liquid product Substances 0.000 description 4
239000000203 mixture Substances 0.000 description 4
239000003921 oil Substances 0.000 description 4
239000002802 bituminous coal Substances 0.000 description 3
238000004364 calculation method Methods 0.000 description 3
238000001816 cooling Methods 0.000 description 3
239000000295 fuel oil Substances 0.000 description 3
230000014759 maintenance of location Effects 0.000 description 3
238000005259 measurement Methods 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
239000005416 organic matter Substances 0.000 description 3
238000011084 recovery Methods 0.000 description 3
239000004449 solid propellant Substances 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
235000002918 Fraxinus excelsior Nutrition 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
239000003610 charcoal Substances 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
239000000110 cooling liquid Substances 0.000 description 2
238000005336 cracking Methods 0.000 description 2
230000007812 deficiency Effects 0.000 description 2
238000006477 desulfuration reaction Methods 0.000 description 2
230000023556 desulfurization Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
238000005292 vacuum distillation Methods 0.000 description 2
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
101100110261 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) apg-10 gene Proteins 0.000 description 1
238000000944 Soxhlet extraction Methods 0.000 description 1
241000607479 Yersinia pestis Species 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
238000000137 annealing Methods 0.000 description 1
238000003556 assay Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000003575 carbonaceous material Substances 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000004939 coking Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000000470 constituent Substances 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
239000012809 cooling fluid Substances 0.000 description 1
230000006735 deficit Effects 0.000 description 1
238000007872 degassing Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000000921 elemental analysis Methods 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000012065 filter cake Substances 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000000852 hydrogen donor Substances 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
230000006872 improvement Effects 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
239000003077 lignite Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000004321 preservation Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
238000010526 radical polymerization reaction Methods 0.000 description 1
239000012066 reaction slurry Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000004064 recycling Methods 0.000 description 1
239000013557 residual solvent Substances 0.000 description 1
239000013049 sediment Substances 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000002195 soluble material Substances 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
239000003476 subbituminous coal Substances 0.000 description 1
150000003568 thioethers Chemical class 0.000 description 1
238000012546 transfer Methods 0.000 description 1
230000008016 vaporization Effects 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
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- 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

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)

DD81229410A 1980-09-09 1981-04-22 Verfahren zur herstellung einer normalerweise festen geloesten kohle DD158794A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/182,697 US4330388A (en)	1980-09-09	1980-09-09	Short residence time coal liquefaction process including catalytic hydrogenation

Publications (1)

Publication Number	Publication Date
DD158794A5 true DD158794A5 (de)	1983-02-02

Family

ID=22669617

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD81229410A DD158794A5 (de)	1980-09-09	1981-04-22	Verfahren zur herstellung einer normalerweise festen geloesten kohle

Country Status (14)

Country	Link
US (1)	US4330388A (fr)
EP (1)	EP0047571B1 (fr)
JP (1)	JPS57501329A (fr)
KR (1)	KR830005329A (fr)
AU (1)	AU545423B2 (fr)
BR (1)	BR8108775A (fr)
CA (1)	CA1155782A (fr)
DD (1)	DD158794A5 (fr)
DE (1)	DE3171555D1 (fr)
ES (1)	ES500998A0 (fr)
IL (1)	IL62157A0 (fr)
PL (1)	PL231189A1 (fr)
WO (1)	WO1982000831A1 (fr)
ZA (1)	ZA811580B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4420548A (en) *	1980-11-28	1983-12-13	Canon Kabushiki Kaisha	Electrophotographic member with hydrazone or ketazine compounds
US4392940A (en) *	1981-04-09	1983-07-12	International Coal Refining Company	Coal-oil slurry preparation
US4552725A (en) *	1981-06-05	1985-11-12	Mobil Oil Corporation	Apparatus for co-processing of oil and coal
US4424108A (en) *	1982-01-08	1984-01-03	The Pittsburg & Midway Coal Mining Co.	Process for heating coal-oil slurries
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
US4547282A (en) *	1984-04-30	1985-10-15	Lummus Crest, Inc.	Coal liquefaction and hydrogenation
DE3527129A1 (de) *	1985-07-29	1987-01-29	Inst Vysokikh Temperatur Akade	Verfahren zur herstellung fluessiger produkte aus kohle
US5783065A (en) *	1992-09-03	1998-07-21	University Of Utah Research Foundation	Method for coal liquefaction
CN116948673B (zh) *	2022-04-20	2024-12-06	中国石油化工股份有限公司	一种生产低芳烃溶剂油的装置和加氢方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB494834A (en) *	1937-02-01	1938-11-01	Ig Farbenindustrie Ag	Improvements in or relating to the extraction of bituminous or brown coal and like solid carbonaceous materials with solvents at high temperatures
GB759298A (en) *	1953-04-14	1956-10-17	Union Carbide & Carbon Corp	Process for coal hydrogenation
US3075912A (en) *	1958-09-18	1963-01-29	Texaco Inc	Hydroconversion of solid carbonaceous materials
US3503864A (en) *	1967-12-29	1970-03-31	Universal Oil Prod Co	Coal liquefaction method
US3477941A (en) *	1968-01-25	1969-11-11	Universal Oil Prod Co	Method of treating coal
US3488278A (en) *	1968-01-25	1970-01-06	Universal Oil Prod Co	Process for treating coal
US3617465A (en) *	1969-11-20	1971-11-02	Hydrocarbon Research Inc	Coal hydrogenation
US3594304A (en) *	1970-04-13	1971-07-20	Sun Oil Co	Thermal liquefaction of coal
US3671418A (en) *	1970-12-18	1972-06-20	Universal Oil Prod Co	Coal liquefaction process using ash as a catalyst
US3726785A (en) *	1971-03-03	1973-04-10	Exxon Research Engineering Co	Coal liquefaction using high and low boiling solvents
US3884794A (en) *	1974-03-04	1975-05-20	Us Interior	Solvent refined coal process including recycle of coal minerals
US3884796A (en) *	1974-03-04	1975-05-20	Us Interior	Solvent refined coal process with retention of coal minerals
US3947346A (en) *	1974-09-20	1976-03-30	The Lummus Company	Coal liquefaction
US3997422A (en) *	1975-06-20	1976-12-14	Gulf Oil Corporation	Combination coal deashing and coking process
AU506174B2 (en) *	1976-05-28	1979-12-13	Kobe Steel Limited	Coal liquefaction
US4045328A (en) *	1976-07-23	1977-08-30	Exxon Research And Engineering Company	Production of hydrogenated coal liquids
US4119523A (en) *	1976-08-23	1978-10-10	Kerr-Mcgee Corporation	Processes for the production of deashed coal
US4133646A (en) *	1976-10-18	1979-01-09	Electric Power Research Institute, Inc.	Phenolic recycle solvent in two-stage coal liquefaction process
DE2654635B2 (de) *	1976-12-02	1979-07-12	Ludwig Dr. 6703 Limburgerhof Raichle	Verfahren zur kontinuierlichen Herstellung von Kohlenwasserstoffölen aus Kohle durch spaltende Druckhydrierung
US4094765A (en) *	1976-12-17	1978-06-13	Exxon Research & Engineering Co.	Coal liquefaction process
US4190518A (en) *	1977-12-29	1980-02-26	Gulf Research And Development Company	Solvent refined coal process
US4203823A (en) *	1978-07-03	1980-05-20	Gulf Research & Development Company	Combined coal liquefaction-gasification process
US4189374A (en) *	1978-12-13	1980-02-19	Gulf Oil Corporation	Coal liquefaction process employing internal heat transfer
US4234408A (en) *	1979-04-13	1980-11-18	The United States Of America As Represented By The United States Department Of Energy	Process for hydrocracking carbonaceous material in liquid carrier

1980
- 1980-09-09 US US06/182,697 patent/US4330388A/en not_active Expired - Lifetime
1981
- 1981-02-18 IL IL62157A patent/IL62157A0/xx unknown
- 1981-02-19 CA CA000371236A patent/CA1155782A/fr not_active Expired
- 1981-03-10 ZA ZA00811580A patent/ZA811580B/xx unknown
- 1981-03-12 BR BR8108775A patent/BR8108775A/pt unknown
- 1981-03-12 JP JP56502044A patent/JPS57501329A/ja active Pending
- 1981-03-12 WO PCT/US1981/000312 patent/WO1982000831A1/fr not_active Ceased
- 1981-03-12 AU AU72918/81A patent/AU545423B2/en not_active Ceased
- 1981-03-31 KR KR1019810001086A patent/KR830005329A/ko not_active Withdrawn
- 1981-04-02 ES ES500998A patent/ES500998A0/es active Granted
- 1981-04-21 DE DE8181301728T patent/DE3171555D1/de not_active Expired
- 1981-04-21 EP EP81301728A patent/EP0047571B1/fr not_active Expired
- 1981-04-22 DD DD81229410A patent/DD158794A5/de unknown
- 1981-05-15 PL PL23118981A patent/PL231189A1/xx unknown

Also Published As

Publication number	Publication date
AU7291881A (en)	1982-04-05
ZA811580B (en)	1982-03-31
CA1155782A (fr)	1983-10-25
US4330388A (en)	1982-05-18
JPS57501329A (fr)	1982-07-29
ES8202581A1 (es)	1982-02-01
ES500998A0 (es)	1982-02-01
AU545423B2 (en)	1985-07-11
BR8108775A (pt)	1982-07-13
EP0047571A3 (en)	1982-06-09
EP0047571A2 (fr)	1982-03-17
IL62157A0 (en)	1981-03-31
DE3171555D1 (en)	1985-09-05
PL231189A1 (fr)	1982-03-15
KR830005329A (ko)	1983-08-13
EP0047571B1 (fr)	1985-07-31
WO1982000831A1 (fr)	1982-03-18

Publication	Publication Date	Title
DE2456575C2 (de)	1983-10-20	Verfahren zur Herstellung von Elektrodenkoks
DE2363064A1 (de)	1974-07-11	Kohleverfluessigung
DD147851A5 (de)	1981-04-22	Integriertes kohleverfluessigungs-vergasungsverfahren
DE2855403A1 (de)	1979-07-05	Kohleverfluessigungsverfahren
DE2722046A1 (de)	1977-12-08	Kohleverfluessigungsverfahren
DD251781A5 (de)	1987-11-25	Verfahren zur behandlung von rueckstaenden von schweroel auf erdoelbasis
DE3201118A1 (de)	1982-10-21	Verfahren zum verfluessigen festen kohlenstoffhaltigen materials
DD158795A5 (de)	1983-02-02	Verfahren zur herstellung einer normalerweise festen geloesten kohle
DE3022581A1 (de)	1981-01-29	Verfahren zur kohleverfluessigung
DE3033259A1 (de)	1981-03-26	Verfahren zur loesungsmittelraffination von kohle
DE69927062T2 (de)	2006-06-29	Verfahren zur abfallentsorgung durch ein verkokungsprozess
DD144787A5 (de)	1980-11-05	Kombiniertes kohleverfluessigungs-vergasungsverfahren
DE2728538A1 (de)	1978-06-01	Verfahren zum verfluessigen von kohle
DE2823812A1 (de)	1978-12-21	Verfahren zur loesungsmittelraffination von kohle
DE3038951C2 (fr)	1988-08-25
DE2824062A1 (de)	1978-12-14	Kohleverfluessigungsverfahren
DE2823811A1 (de)	1978-12-21	Verfahren zur loesungsmittelraffination von kohle
DE3529795A1 (de)	1986-03-06	Verfahren zur verfluessigung von kohle
DE1212662B (de)	1966-03-17	Verfahren zum Entfernen metallischer und stickstoffhaltiger Verunreinigungen aus Kohlenwasserstoffoelen
CH661936A5 (de)	1987-08-31	Verfahren zur aufbereitung schwerer rohoele, insbesondere fuer eine nutzbarmachung derer kokse fuer metallurgische zwecke sowie eine anlage zur ausfuehrung des verfahrens.
DD147676A5 (de)	1981-04-15	Kohleverfluessigungsverfahren mit zusatz fremder mineralien
EP0209665B1 (fr)	1988-10-12	Procédé d'hydrogénation de charbon en phase liquide et en lit fixe avec catalyseur
DD147679A5 (de)	1981-04-15	Kohleverfluessigungsverfahren mit verbessertem schlammrueckfuehrungssystem
DE3325128A1 (de)	1984-01-19	Verfahren zur loesungsmittel-raffinierung von kohle
DE3329222A1 (de)	1984-02-23	Verfahren zur kohleverfluessigung mit einem aktivierten zinksulfidkatalysator