CS200175B2 - Process for preparing synthetic fuel from coal free from ash - Google Patents

Process for preparing synthetic fuel from coal free from ash Download PDF

Info

Publication number: CS200175B2
Authority: CS; Czechoslovakia
Prior art keywords: coal; solvent; fraction; liquid; ash
Prior art date: 1973-12-12

Application number

CS748518A

Other languages

Czech (cs)

English (en)

Inventor

Morgan C Sze

Original Assignee

Snell George J

Lummus 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.)

1973-12-12

Filing date

1974-12-12

Publication date

1980-08-29

1974-12-12 Application filed by Snell George J, Lummus Co filed Critical Snell George J

1980-08-29 Publication of CS200175B2 publication Critical patent/CS200175B2/cs

Links

239000003245 coal Substances 0.000 title claims abstract description 119
239000000446 fuel Substances 0.000 title claims description 25
238000004519 manufacturing process Methods 0.000 title claims description 7
239000007788 liquid Substances 0.000 claims abstract description 67
239000002904 solvent Substances 0.000 claims abstract description 44
229910052739 hydrogen Inorganic materials 0.000 claims abstract description 34
239000001257 hydrogen Substances 0.000 claims abstract description 33
238000004821 distillation Methods 0.000 claims abstract description 30
238000005984 hydrogenation reaction Methods 0.000 claims abstract description 30
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 29
238000009835 boiling Methods 0.000 claims abstract description 27
238000012512 characterization method Methods 0.000 claims abstract description 21
230000005484 gravity Effects 0.000 claims abstract description 10
239000003350 kerosene Substances 0.000 claims abstract description 6
238000000034 method Methods 0.000 claims description 21
239000007789 gas Substances 0.000 claims description 7
239000007787 solid Substances 0.000 claims description 7
239000000126 substance Substances 0.000 claims description 6
239000003054 catalyst Substances 0.000 abstract description 19
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 12
229910052799 carbon Inorganic materials 0.000 abstract description 10
239000003921 oil Substances 0.000 abstract description 7
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
NLPVCCRZRNXTLT-UHFFFAOYSA-N dioxido(dioxo)molybdenum;nickel(2+) Chemical compound [Ni+2].[O-][Mo]([O-])(=O)=O NLPVCCRZRNXTLT-UHFFFAOYSA-N 0.000 abstract description 5
239000000463 material Substances 0.000 abstract description 5
KYYSIVCCYWZZLR-UHFFFAOYSA-N cobalt(2+);dioxido(dioxo)molybdenum Chemical compound [Co+2].[O-][Mo]([O-])(=O)=O KYYSIVCCYWZZLR-UHFFFAOYSA-N 0.000 abstract description 4
150000002431 hydrogen Chemical class 0.000 abstract description 4
XOROUWAJDBBCRC-UHFFFAOYSA-N nickel;sulfanylidenetungsten Chemical compound [Ni].[W]=S XOROUWAJDBBCRC-UHFFFAOYSA-N 0.000 abstract description 4
239000010779 crude oil Substances 0.000 abstract description 3
239000002198 insoluble material Substances 0.000 abstract description 3
XCUPBHGRVHYPQC-UHFFFAOYSA-N sulfanylidenetungsten Chemical compound [W]=S XCUPBHGRVHYPQC-UHFFFAOYSA-N 0.000 abstract 1
239000000047 product Substances 0.000 description 66
239000002956 ash Substances 0.000 description 43
239000006184 cosolvent Substances 0.000 description 24
238000000926 separation method Methods 0.000 description 18
239000000203 mixture Substances 0.000 description 16
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
229930195733 hydrocarbon Natural products 0.000 description 7
150000002430 hydrocarbons Chemical class 0.000 description 7
239000003208 petroleum Substances 0.000 description 7
229910052717 sulfur Inorganic materials 0.000 description 6
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
239000011593 sulfur Substances 0.000 description 5
239000011269 tar Substances 0.000 description 5
239000004215 Carbon black (E152) Substances 0.000 description 4
239000012263 liquid product Substances 0.000 description 4
150000002790 naphthalenes Chemical class 0.000 description 4
239000000377 silicon dioxide Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 3
238000004458 analytical method Methods 0.000 description 3
125000003118 aryl group Chemical group 0.000 description 3
125000004432 carbon atom Chemical group C* 0.000 description 3
230000003197 catalytic effect Effects 0.000 description 3
239000010941 cobalt Substances 0.000 description 3
229910017052 cobalt Inorganic materials 0.000 description 3
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
238000005336 cracking Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
238000001816 cooling Methods 0.000 description 2
NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
238000005194 fractionation Methods 0.000 description 2
DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
238000002156 mixing Methods 0.000 description 2
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
238000011084 recovery Methods 0.000 description 2
239000002002 slurry Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
IIYFAKIEWZDVMP-UHFFFAOYSA-N tridecane Chemical compound CCCCCCCCCCCCC IIYFAKIEWZDVMP-UHFFFAOYSA-N 0.000 description 2
238000005292 vacuum distillation Methods 0.000 description 2
CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
235000002918 Fraxinus excelsior Nutrition 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
150000004996 alkyl benzenes Chemical class 0.000 description 1
MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 1
238000004380 ashing Methods 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000002802 bituminous coal Substances 0.000 description 1
238000001354 calcination Methods 0.000 description 1
238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
238000005119 centrifugation Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000010883 coal ash Substances 0.000 description 1
239000011280 coal tar Substances 0.000 description 1
238000004939 coking Methods 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
239000012043 crude product Substances 0.000 description 1
238000006477 desulfuration reaction Methods 0.000 description 1
230000023556 desulfurization Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
KWKXNDCHNDYVRT-UHFFFAOYSA-N dodecylbenzene Chemical compound CCCCCCCCCCCCC1=CC=CC=C1 KWKXNDCHNDYVRT-UHFFFAOYSA-N 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000000921 elemental analysis Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000000796 flavoring agent Substances 0.000 description 1
235000019634 flavors Nutrition 0.000 description 1
239000003502 gasoline Substances 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000003077 lignite Substances 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
230000007774 longterm Effects 0.000 description 1
229910052976 metal sulfide Inorganic materials 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
125000002950 monocyclic group Chemical group 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 description 1
239000012299 nitrogen atmosphere Substances 0.000 description 1
229910000510 noble metal Inorganic materials 0.000 description 1
229940078552 o-xylene Drugs 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
239000010690 paraffinic oil Substances 0.000 description 1
239000008188 pellet Substances 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
-1 polycyclic aromatic compounds Chemical class 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
229930195734 saturated hydrocarbon Natural products 0.000 description 1
238000007614 solvation Methods 0.000 description 1
238000000638 solvent extraction Methods 0.000 description 1
239000013589 supplement Substances 0.000 description 1
230000007704 transition Effects 0.000 description 1
ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
238000007738 vacuum evaporation Methods 0.000 description 1
239000004711 α-olefin Substances 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
- C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
- C10G1/045—Separation of insoluble materials

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)

CS748518A 1973-12-12 1974-12-12 Process for preparing synthetic fuel from coal free from ash CS200175B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/423,903 US3932266A (en)	1973-12-12	1973-12-12	Synthetic crude from coal

Publications (1)

Publication Number	Publication Date
CS200175B2 true CS200175B2 (en)	1980-08-29

Family

ID=23680635

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS748518A CS200175B2 (en)	1973-12-12	1974-12-12	Process for preparing synthetic fuel from coal free from ash

Country Status (15)

Country	Link
US (1)	US3932266A (fr)
JP (1)	JPS5444004B2 (fr)
BE (1)	BE822473A (fr)
CA (1)	CA1037400A (fr)
CS (1)	CS200175B2 (fr)
DD (1)	DD116056A5 (fr)
DE (1)	DE2457256A1 (fr)
FR (1)	FR2254625B1 (fr)
GB (1)	GB1493364A (fr)
IT (1)	IT1024974B (fr)
LU (1)	LU71339A1 (fr)
NL (1)	NL7416214A (fr)
PL (1)	PL94760B1 (fr)
SU (1)	SU592365A3 (fr)
ZA (1)	ZA747421B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU506174B2 (en) *	1976-05-28	1979-12-13	Kobe Steel Limited	Coal liquefaction
US4101416A (en) *	1976-06-25	1978-07-18	Occidental Petroleum Corporation	Process for hydrogenation of hydrocarbon tars
GB1584583A (en) *	1976-11-30	1981-02-11	Gulf Research Development Co	Process for extending life of coal liquefaction catalyst
US4110192A (en) *	1976-11-30	1978-08-29	Gulf Research & Development Company	Process for liquefying coal employing a vented dissolver
US4083769A (en) *	1976-11-30	1978-04-11	Gulf Research & Development Company	Catalytic process for liquefying coal
US4391699A (en) *	1976-12-27	1983-07-05	Chevron Research Company	Coal liquefaction process
AU512811B2 (en) *	1977-01-14	1980-10-30	Mitsui Kozan Chemicals Co. Ltd.	Producing micromosaic / coarsemosaic / needle like carbonaceous products from coal
US4102775A (en) *	1977-08-15	1978-07-25	The Dow Chemical Company	Conversion process for solid, hydrocarbonaceous materials
DE2806806A1 (de) *	1978-02-17	1979-08-23	Metallgesellschaft Ag	Verfahren zur verarbeitung von feststoffhaltigen schieferoelen oder teeren
DE2808421A1 (de) *	1978-02-27	1979-08-30	Exxon Research Engineering Co	Verfahren zur verfluessigung von kohle und kohlehaltigen feststoffen
US4189372A (en) *	1978-05-22	1980-02-19	Kerr-Mcgee Corporation	Process for the hydroconversion of coal
US4376032A (en) *	1981-05-29	1983-03-08	International Coal Refining Company	Coal Liquefaction desulfurization process
US4377464A (en) *	1981-09-03	1983-03-22	The Pittsburg & Midway Coal Mining Co.	Coal liquefaction process
US4437972A (en)	1982-02-08	1984-03-20	Mobil Oil Corporation	Process for co-processing coal and a paraffinic material
US4411767A (en) *	1982-09-30	1983-10-25	Air Products And Chemicals, Inc.	Integrated process for the solvent refining of coal
US4544476A (en) *	1983-12-07	1985-10-01	The Lummus Company	Coal liquefaction and hydrogenation
US4510037A (en) *	1983-12-23	1985-04-09	Hri, Inc.	Hydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zone
US5236881A (en) *	1986-08-22	1993-08-17	Coal Industry (Patents) Limited	Coal extract hydrocracking catalyst
GB2194171B (en) *	1986-08-22	1990-09-12	Coal Ind	Coal extraction process
US4737267A (en) *	1986-11-12	1988-04-12	Duo-Ex Coproration	Oil shale processing apparatus and method
US5122260A (en) *	1987-09-17	1992-06-16	Abb Lummus Crest Inc.	Liquefaction of solid carbonaceous material with catalyst recycle
JP4071968B2 (ja) *	2002-01-17	2008-04-02	東芝三菱電機産業システム株式会社	ガス供給システム及びガス供給方法
US7620476B2 (en)	2005-02-18	2009-11-17	Irobot Corporation	Autonomous surface cleaning robot for dry cleaning
US20080256852A1 (en) *	2007-04-20	2008-10-23	Schobert Harold H	Integrated process and apparatus for producing coal-based jet fuel, diesel fuel, and distillate fuels
DE102008003209B3 (de) *	2008-01-05	2009-06-04	Relux Umwelt Gmbh	Verfahren und Vorrichtung zur Erzeugung von Mitteldestillat aus kohlenwasserstoffhaltigen Energieträgern

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2060447A (en) *	1930-05-26	1936-11-10	Ig Farbenindustrie Ag	Working-up of carbonaceous materials
US2987465A (en) *	1958-06-20	1961-06-06	Hydrocarbon Research Inc	Gas-liquid contacting process
US3018242A (en) *	1960-10-10	1962-01-23	Consolidation Coal Co	Production of hydrogen-enriched hydrocarbonaceous liquids
US3355539A (en) *	1963-09-27	1967-11-28	Baldwin Co D H	Sampling tone generator system for electronic organs
US3514394A (en) *	1968-02-28	1970-05-26	Exxon Research Engineering Co	Cyclic process for converting coal into liquid products by use of fixed catalytic beds
US3523886A (en) *	1969-02-24	1970-08-11	Us Interior	Process for making liquid fuels from coal
US3598718A (en) *	1969-08-18	1971-08-10	Universal Oil Prod Co	Solvent extraction of coal
US3583900A (en) *	1969-12-29	1971-06-08	Universal Oil Prod Co	Coal liquefaction process by three-stage solvent extraction
US3687837A (en) *	1970-08-27	1972-08-29	Exxon Research Engineering Co	Coal liquefaction solids removal
US3790467A (en) *	1970-08-27	1974-02-05	Exxon Research Engineering Co	Coal liquefaction solids removal
US3726784A (en) *	1971-02-18	1973-04-10	Exxon Research Engineering Co	Integrated coal liquefaction and hydrotreating process
US3856675A (en) *	1972-11-07	1974-12-24	Lummus Co	Coal liquefaction
US3852183A (en) *	1972-12-29	1974-12-03	Lummus Co	Coal liquefaction

1973
- 1973-12-12 US US05/423,903 patent/US3932266A/en not_active Expired - Lifetime
1974
- 1974-11-19 ZA ZA00747421A patent/ZA747421B/xx unknown
- 1974-11-21 BE BE150747A patent/BE822473A/fr not_active IP Right Cessation
- 1974-11-22 LU LU71339A patent/LU71339A1/xx unknown
- 1974-11-25 CA CA214,563A patent/CA1037400A/fr not_active Expired
- 1974-12-02 GB GB52142/74A patent/GB1493364A/en not_active Expired
- 1974-12-04 IT IT70523/74A patent/IT1024974B/it active
- 1974-12-04 DE DE19742457256 patent/DE2457256A1/de not_active Withdrawn
- 1974-12-10 JP JP14242874A patent/JPS5444004B2/ja not_active Expired
- 1974-12-10 DD DD182897A patent/DD116056A5/xx unknown
- 1974-12-11 SU SU742085252A patent/SU592365A3/ru active
- 1974-12-11 FR FR7440766A patent/FR2254625B1/fr not_active Expired
- 1974-12-12 NL NL7416214A patent/NL7416214A/xx active Search and Examination
- 1974-12-12 CS CS748518A patent/CS200175B2/cs unknown
- 1974-12-12 PL PL1974176405A patent/PL94760B1/pl unknown

Also Published As

Publication number	Publication date
JPS5091604A (fr)	1975-07-22
LU71339A1 (fr)	1975-05-28
SU592365A3 (ru)	1978-02-05
ZA747421B (en)	1975-12-31
NL7416214A (nl)	1975-06-16
FR2254625B1 (fr)	1979-02-23
CA1037400A (fr)	1978-08-29
AU7619874A (en)	1976-06-10
IT1024974B (it)	1978-07-20
BE822473A (fr)	1975-03-14
PL94760B1 (pl)	1977-08-31
JPS5444004B2 (fr)	1979-12-24
FR2254625A1 (fr)	1975-07-11
DD116056A5 (fr)	1975-11-05
US3932266A (en)	1976-01-13
GB1493364A (en)	1977-11-30
DE2457256A1 (de)	1975-06-19

Publication	Publication Date	Title
CS200175B2 (en)	1980-08-29	Process for preparing synthetic fuel from coal free from ash
US4338183A (en)	1982-07-06	Method of solvent extraction of coal by a heavy oil
US3997425A (en)	1976-12-14	Process for the liquefaction of coal
US4485008A (en)	1984-11-27	Liquefaction process
US4152244A (en)	1979-05-01	Manufacture of hydrocarbon oils by hydrocracking of coal
US4251346A (en)	1981-02-17	Process for coal liquefaction
US3841991A (en)	1974-10-15	Coal conversion process
US4189371A (en)	1980-02-19	Multiple-stage hydrogen-donor coal liquefaction process
US3852183A (en)	1974-12-03	Coal liquefaction
US4374015A (en)	1983-02-15	Process for the liquefaction of coal
RU2005117790A (ru)	2006-02-27	Способ переработки тяжелого сырья, такого как тяжелая сырая нефть и кубовые остатки
US2847306A (en)	1958-08-12	Process for recovery of oil from shale
EP0051345B1 (fr)	1985-12-18	Liquéfaction au solvant donneur de charbons avec recyclage des produits de queue sous pression élevée
US4372838A (en)	1983-02-08	Coal liquefaction process
US3143489A (en)	1964-08-04	Process for making liquid fuels from coal
US4045329A (en)	1977-08-30	Coal hydrogenation with selective recycle of liquid to reactor
US4369106A (en)	1983-01-18	Coal liquefaction process
US4332666A (en)	1982-06-01	Coal liquefaction process wherein jet fuel, diesel fuel and/or ASTM No. 2 fuel oil is recovered
US4203823A (en)	1980-05-20	Combined coal liquefaction-gasification process
US4211631A (en)	1980-07-08	Coal liquefaction process employing multiple recycle streams
US4094766A (en)	1978-06-13	Coal liquefaction product deashing process
US4081360A (en)	1978-03-28	Method for suppressing asphaltene formation during coal liquefaction and separation of solids from the liquid product
EP0047570B1 (fr)	1985-01-09	Procédé de liquéfaction de charbon à court temps de séjour contrôlé
US4283267A (en)	1981-08-11	Staged temperature hydrogen-donor coal liquefaction process
US3974073A (en)	1976-08-10	Coal liquefaction