DE2706536C3 - Verfahren zur Entfernung von Verunreinigungen aus Kohle und Verwendung der gereinigten Kohle zur Herstellung von Kohleelektroden - Google Patents

Verfahren zur Entfernung von Verunreinigungen aus Kohle und Verwendung der gereinigten Kohle zur Herstellung von Kohleelektroden

Info

Publication number
DE2706536C3
DE2706536C3 DE2706536A DE2706536A DE2706536C3 DE 2706536 C3 DE2706536 C3 DE 2706536C3 DE 2706536 A DE2706536 A DE 2706536A DE 2706536 A DE2706536 A DE 2706536A DE 2706536 C3 DE2706536 C3 DE 2706536C3
Authority
DE
Germany
Prior art keywords
coal
carbon
solution
hydrofluoric acid
purified
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2706536A
Other languages
German (de)
English (en)
Other versions
DE2706536A1 (de
DE2706536B2 (de
Inventor
Subodh Kumar Natrona Heights Pa. Das (V.St.A.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcoa Corp
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Publication of DE2706536A1 publication Critical patent/DE2706536A1/de
Publication of DE2706536B2 publication Critical patent/DE2706536B2/de
Application granted granted Critical
Publication of DE2706536C3 publication Critical patent/DE2706536C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C1/00—Working-up tar
    • C10C1/20—Refining by chemical means inorganic or organic compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • C25C3/12—Anodes
    • C25C3/125—Anodes based on carbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Processing Of Solid Wastes (AREA)
DE2706536A 1976-02-23 1977-02-14 Verfahren zur Entfernung von Verunreinigungen aus Kohle und Verwendung der gereinigten Kohle zur Herstellung von Kohleelektroden Expired DE2706536C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/660,704 US4083940A (en) 1976-02-23 1976-02-23 Coal purification and electrode formation

Publications (3)

Publication Number Publication Date
DE2706536A1 DE2706536A1 (de) 1977-08-25
DE2706536B2 DE2706536B2 (de) 1980-05-14
DE2706536C3 true DE2706536C3 (de) 1981-01-22

Family

ID=24650631

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2706536A Expired DE2706536C3 (de) 1976-02-23 1977-02-14 Verfahren zur Entfernung von Verunreinigungen aus Kohle und Verwendung der gereinigten Kohle zur Herstellung von Kohleelektroden

Country Status (6)

Country Link
US (1) US4083940A (enExample)
CA (1) CA1081150A (enExample)
DE (1) DE2706536C3 (enExample)
FR (1) FR2343060A1 (enExample)
GB (1) GB1568453A (enExample)
PL (1) PL115877B1 (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169710A (en) * 1978-03-29 1979-10-02 Chevron Research Company Process for comminuting and reducing the sulfur and ash content of coal
US4297108A (en) * 1978-05-10 1981-10-27 Polymer Research Corp. Of America Desulfurization of coal
US4329156A (en) * 1978-08-02 1982-05-11 Othmer Donald F Desulfurization of coal
US4408999A (en) * 1981-05-11 1983-10-11 Exxon Research And Engineering Co. Coal and oil shale beneficiation process
US4328002A (en) * 1981-06-15 1982-05-04 Robert Bender Methods of treating coal to remove sulfur and ash
DE3215981A1 (de) * 1982-04-29 1983-11-03 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen hochreiner ausgangsmaterialien fuer die fertigung von silizium fuer solarzellen nach dem carbothermischen reduktionsverfahren
US4468231A (en) * 1982-05-03 1984-08-28 Exxon Research And Engineering Co. Cation ion exchange of coal
DE3249493T1 (de) * 1982-05-27 1984-09-20 Otisca Industries Ltd., Syracuse, N.Y. Verfahren zur Bearbeitung von Kohle
US4743271A (en) * 1983-02-17 1988-05-10 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel
US4695290A (en) * 1983-07-26 1987-09-22 Integrated Carbons Corporation Integrated coal cleaning process with mixed acid regeneration
EP0134530A3 (en) * 1983-07-29 1985-09-11 Japan Australia Process Coal Company A process for removing mineral inpurities from coals and oil shales
US4618346A (en) * 1984-09-26 1986-10-21 Resource Engineering Incorporated Deashing process for coal
JPS62502952A (ja) * 1985-02-19 1987-11-26 オーブランド　プロプライアタリー　リミティド 炭素構造中に含有される鉱物物質の連続的化学的減少及び除去方法
US4753033A (en) * 1985-03-24 1988-06-28 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel from high calcium coal
US4702749A (en) * 1986-06-24 1987-10-27 Air Products And Chemicals, Inc. Technique for surface oxidation of activated carbon
US4741741A (en) * 1986-10-17 1988-05-03 The Standard Oil Company Chemical beneficiation of coal
US6231627B1 (en) 1996-07-08 2001-05-15 Hazen Research, Inc. Method to reduce oxidative deterioration of bulk materials
US5919277A (en) * 1996-07-08 1999-07-06 Hazen Research, Inc. Method to reduce oxidative deterioration of bulk materials
US5725613A (en) * 1996-07-08 1998-03-10 Hazen Research, Inc Method to reduce oxidative deterioration of bulk materials
US6422494B1 (en) 2000-02-03 2002-07-23 Hazen Research, Inc. Methods of controlling the density and thermal properties of bulk materials
US6786941B2 (en) 2000-06-30 2004-09-07 Hazen Research, Inc. Methods of controlling the density and thermal properties of bulk materials
US8691166B2 (en) * 2008-01-08 2014-04-08 Carbonxt Group Limited System and method for activating carbonaceous material
US8628707B2 (en) * 2008-01-08 2014-01-14 Carbonxt Group Limited System and method for making carbon foam anodes
US8617492B2 (en) * 2008-01-08 2013-12-31 Carbonxt Group Limited System and method for making low volatile carboneaceous matter with supercritical CO2
US20090172998A1 (en) * 2008-01-08 2009-07-09 Carbonxt Group Limited System and method for refining carbonaceous material
US20090263311A1 (en) * 2008-04-17 2009-10-22 Lee Chang H Method of removing impurities from solids
BRPI0905091A2 (pt) * 2008-09-03 2015-06-30 Tata Steel Ltd Processo de beneficiamento para produzir carvão limpo de baixo teor de cinzas a partir de carvões de alto teor de cinzas
US20100287827A1 (en) * 2009-05-13 2010-11-18 Chandrashekhar Sonwane Process for obtaining treated coal and silica from coal containing fly ash
US20110031174A1 (en) * 2009-08-09 2011-02-10 Kun-Yu Liang Floor water tank filtering device for three-in-one sewers
US20110030271A1 (en) * 2009-08-10 2011-02-10 General Electric Company Method for removing impurities from coal in a reaction chamber
US20110030270A1 (en) * 2009-08-10 2011-02-10 General Electric Company Methods for removing impurities from coal including neutralization of a leaching solution
US20110030593A1 (en) * 2009-08-10 2011-02-10 General Electric Company Method for desulfurizing a fluid and methods for operating a coal combustion system
US20110078948A1 (en) 2009-10-01 2011-04-07 Chandrashekhar Ganpatrao Sonwane Ash removal from coal: process to avoid large quantities of hydrogen fluoride on-site
WO2018075870A1 (en) 2016-10-21 2018-04-26 Fluidic Inc. Corrugated fuel electrode
US11611115B2 (en) 2017-12-29 2023-03-21 Form Energy, Inc. Long life sealed alkaline secondary batteries
CN120049075A (zh) 2018-07-27 2025-05-27 福恩能源公司 用于电化学电池的负电极
WO2020131928A1 (en) * 2018-12-17 2020-06-25 Virginia Tech Intellectual Properties, Inc. One-pot process for synthesis of graphene and graphene-derivatives from coal
US12294086B2 (en) 2019-07-26 2025-05-06 Form Energy, Inc. Low cost metal electrodes
AU2023215418A1 (en) * 2022-02-07 2024-08-15 Form Energy, Inc. Processes for purifying iron-bearing materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1489830A (en) * 1922-10-17 1924-04-08 Illingworth Carbonization Co Manufacture of electrodes
BE370594A (enExample) * 1929-11-23
US3279935A (en) * 1963-06-11 1966-10-18 Ashland Oil Refining Company Oxidation of carbon black
US3393978A (en) * 1965-04-02 1968-07-23 Carbon Company Deashing of carbonaceous material
US3501272A (en) * 1966-02-28 1970-03-17 Standard Oil Co Carbon purification process

Also Published As

Publication number Publication date
FR2343060B1 (enExample) 1980-02-01
DE2706536A1 (de) 1977-08-25
PL115877B1 (en) 1981-05-30
DE2706536B2 (de) 1980-05-14
FR2343060A1 (fr) 1977-09-30
GB1568453A (en) 1980-05-29
CA1081150A (en) 1980-07-08
US4083940A (en) 1978-04-11

Similar Documents

Publication Publication Date Title
DE2706536C3 (de) Verfahren zur Entfernung von Verunreinigungen aus Kohle und Verwendung der gereinigten Kohle zur Herstellung von Kohleelektroden
DE2608866C3 (de) Verfahren zum Herstellen von Graphithydrogensulfat
DE3334627C2 (de) Salzröstverfahren für Vanadiumerze in Gegenwart von Kohlenstoff
DE1207360B (de) Verfahren zur Herstellung von kristallinem, NaO-armen alpha-Aluminiumoxyd
DE2615699C2 (de) Verfahren zum Aufhellen von natürlichem calcitischen Mineral
DE2742766A1 (de) Verfahren zur entfernung von schwefel aus kohle
DE2903446A1 (de) Verfahren zur wiedergewinnung von aluminium aus flugasche oder einem anderen material
DE3338169C2 (enExample)
DE69119028T2 (de) Verfahren zum Herstellen von Chrom hoher Reinheit
DE1036034B (de) Verfahren zur Herstellung von Glimmerpapier
DE3145220A1 (de) Verfahren zur gewinnung von seltenmetallen aus den verbrennungsrueckstaenden von seltenmetallhaltigen kohlen, insbesondere braunkohlen, durch digerieren
DE2736543A1 (de) Verfahren zur herstellung von aluminium-silicium-legierungen
DD242325A3 (de) Verfahren zur herstellung hochporoeser mineralischer koerper mit polyformer struktur
DE1592115A1 (de) Verfahren zur Gewinnung von Ceriumkonzentraten aus Erzen
DE1805779A1 (de) Verfahren zur Herstellung von Diatomeenerde
WO1990015295A1 (de) Verwendung von hydroxymischethern als hilfsmittel für die feststoffentwässerung
DE112022002591T5 (de) Abwasseradsorptionsmittel, verfahren zu seiner herstellung und seine verwendung
DE2616933C2 (de) Verfahren zur Herstellung eines hochreinen Molybdändisulfidpulvers aus einem unreinen Molybdänitkonzentrat
DD242326A3 (de) Verfahren zur herstellung von hydrophoben adsorbentien
DE69411056T2 (de) Verfahren zum Abtrennen und Rückgewinnen von Metallen aus Naturbitumenaschen
DE1183059B (de) Verfahren zur Herstellung von Titandioxyd aus titanhaltigen Erzen, die Eisen als Hauptverunreinigung enthalten
DE102022108845A1 (de) Verfahren zur Herstellung von gereinigtem Graphit
DE3438655A1 (de) Verfahren zur gewinnung gereinigter phosphorsaeure
DE2243571A1 (de) Behandlung von schwefelsaeureschlamm
DE1800070A1 (de) Verfahren zur Entschwefelung von Kohle

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee