ZA773145B - Coal deashing process having improved solvent recovery techniques - Google Patents

Coal deashing process having improved solvent recovery techniques

Info

Publication number
ZA773145B
ZA773145B ZA00773145A ZA773145A ZA773145B ZA 773145 B ZA773145 B ZA 773145B ZA 00773145 A ZA00773145 A ZA 00773145A ZA 773145 A ZA773145 A ZA 773145A ZA 773145 B ZA773145 B ZA 773145B
Authority
ZA
South Africa
Prior art keywords
solvent recovery
recovery techniques
improved solvent
deashing process
coal deashing
Prior art date
Application number
ZA00773145A
Other languages
English (en)
Inventor
R Leonards
R Baldwin
Original Assignee
Kerr Mc Gee Chem Corp
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.)
Filing date
Publication date
Application filed by Kerr Mc Gee Chem Corp filed Critical Kerr Mc Gee Chem Corp
Publication of ZA773145B publication Critical patent/ZA773145B/xx

Links

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
    • 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
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/02—Treating solid fuels to improve their combustion by chemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
ZA00773145A 1976-06-01 1977-05-25 Coal deashing process having improved solvent recovery techniques ZA773145B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/691,575 US4119524A (en) 1976-06-01 1976-06-01 Coal deashing process having improved solvent recovery techniques

Publications (1)

Publication Number Publication Date
ZA773145B true ZA773145B (en) 1978-04-26

Family

ID=24777091

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00773145A ZA773145B (en) 1976-06-01 1977-05-25 Coal deashing process having improved solvent recovery techniques

Country Status (7)

Country Link
US (1) US4119524A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5316704A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU504761B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1092045A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2725022A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1543457A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA773145B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244812A (en) * 1978-12-28 1981-01-13 Kerr-Mcgee Corporation System for producing a powdery composition comprising coal products in a coal deashing process
US4272501A (en) * 1980-03-03 1981-06-09 International Coal Refining Company Carbon fibers from SRC pitch
US4313819A (en) * 1980-05-22 1982-02-02 Kerr-Mcgee Corporation Process for recovering deashing solvent from insoluble coal products
US4374015A (en) * 1981-03-09 1983-02-15 Kerr-Mcgee Corporation Process for the liquefaction of coal
US4405437A (en) * 1982-01-11 1983-09-20 Electric Power Research Institute Process for coal liquefaction employing a superior coal liquefaction process solvent
US4476009A (en) * 1983-03-24 1984-10-09 Texaco Inc. Process for improving the hydrogen donor properties of a coal liquefaction solvent
US4534847A (en) * 1984-01-16 1985-08-13 International Coal Refining Company Process for producing low-sulfur boiler fuel by hydrotreatment of solvent deashed SRC
JPH0160904U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1987-10-14 1989-04-18
JP2014189740A (ja) * 2013-03-28 2014-10-06 Kobe Steel Ltd 無灰炭の製造装置および無灰炭の製造方法
CN116606678B (zh) * 2023-05-25 2025-03-07 武汉科技大学 采用低共熔溶剂对原煤进行脱灰的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476999A (en) * 1947-07-24 1949-07-26 Orchin Milton Solvation and depolymerization of coal
US3607717A (en) * 1970-01-09 1971-09-21 Kerr Mc Gee Chem Corp Fractionating coal liquefaction products with light organic solvents
US3607716A (en) * 1970-01-09 1971-09-21 Kerr Mc Gee Chem Corp Fractionation of coal liquefaction products in a mixture of heavy and light organic solvents
US3974073A (en) * 1974-09-06 1976-08-10 The Lummus Company Coal liquefaction
US3852183A (en) * 1972-12-29 1974-12-03 Lummus Co Coal liquefaction
US3791956A (en) * 1973-02-16 1974-02-12 Consolidation Coal Co Conversion of coal to clean fuel
US3954595A (en) * 1974-03-18 1976-05-04 The Lummus Company Coal liquefaction
US3997425A (en) * 1974-12-26 1976-12-14 Universal Oil Products Company Process for the liquefaction of coal

Also Published As

Publication number Publication date
JPS5614708B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-04-06
DE2725022A1 (de) 1977-12-22
AU504761B2 (en) 1979-10-25
AU2551077A (en) 1978-11-30
GB1543457A (en) 1979-04-04
CA1092045A (en) 1980-12-23
JPS5316704A (en) 1978-02-16
US4119524A (en) 1978-10-10

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