FR2343060A1 - Purification de la houille - Google Patents

Purification de la houille

Info

Publication number
FR2343060A1
FR2343060A1 FR7702735A FR7702735A FR2343060A1 FR 2343060 A1 FR2343060 A1 FR 2343060A1 FR 7702735 A FR7702735 A FR 7702735A FR 7702735 A FR7702735 A FR 7702735A FR 2343060 A1 FR2343060 A1 FR 2343060A1
Authority
FR
France
Prior art keywords
coal purification
coal
purification
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.)
Granted
Application number
FR7702735A
Other languages
English (en)
Other versions
FR2343060B1 (fr
Inventor
Subodh Kumar Das
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.)
Howmet Aerospace Inc
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 FR2343060A1 publication Critical patent/FR2343060A1/fr
Application granted granted Critical
Publication of FR2343060B1 publication Critical patent/FR2343060B1/fr
Granted 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
FR7702735A 1976-02-23 1977-02-01 Purification de la houille Granted FR2343060A1 (fr)

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 (2)

Publication Number Publication Date
FR2343060A1 true FR2343060A1 (fr) 1977-09-30
FR2343060B1 FR2343060B1 (fr) 1980-02-01

Family

ID=24650631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702735A Granted FR2343060A1 (fr) 1976-02-23 1977-02-01 Purification de la houille

Country Status (6)

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

Families Citing this family (35)

* 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
US4484928A (en) * 1982-05-27 1984-11-27 Otisca Industries, Inc. Methods for processing coal
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 (fr) * 1983-07-29 1985-09-11 Japan Australia Process Coal Company Procédé d'élimination d'impuretés minérales du charbon et de schistes bitumineux
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
US5725613A (en) * 1996-07-08 1998-03-10 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
US6231627B1 (en) 1996-07-08 2001-05-15 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
US8617492B2 (en) * 2008-01-08 2013-12-31 Carbonxt Group Limited System and method for making low volatile carboneaceous matter with supercritical CO2
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
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
US8647400B2 (en) * 2008-09-03 2014-02-11 Tata Steel Limited Beneficiation process to produce low ash clean coal from high ash coals
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
US20110030593A1 (en) * 2009-08-10 2011-02-10 General Electric Company Method for desulfurizing a fluid and methods for operating a coal combustion system
US20110030270A1 (en) * 2009-08-10 2011-02-10 General Electric Company Methods for removing impurities from coal including neutralization of a leaching solution
US20110030271A1 (en) * 2009-08-10 2011-02-10 General Electric Company Method for removing impurities from coal in a reaction chamber
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
WO2020131928A1 (fr) * 2018-12-17 2020-06-25 Virginia Tech Intellectual Properties, Inc. Procédé mono-tope pour la synthèse de graphène et de dérivés de graphène à partir du charbon
WO2023150366A1 (fr) * 2022-02-07 2023-08-10 Form Energy, Inc. Procédés de purification de matériaux contenant du fer

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 (fr) * 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
DE2706536B2 (de) 1980-05-14
GB1568453A (en) 1980-05-29
US4083940A (en) 1978-04-11
FR2343060B1 (fr) 1980-02-01
CA1081150A (fr) 1980-07-08
DE2706536C3 (de) 1981-01-22
DE2706536A1 (de) 1977-08-25
PL115877B1 (en) 1981-05-30

Similar Documents

Publication Publication Date Title
FR2343060A1 (fr) Purification de la houille
FI772525A (fi) Elektriskt uppvaermt foenster med skarpt boejda delar
FI772632A (fi) Avsoekande optiskt drev med kontinuerligt varierbar foerminskning
AT356502B (de) Hydrozyklon
FI64230B (fi) Bromsskiva med ventilationskylning
FI772530A (fi) Elektrolyscell med monopolarmembran
FI773663A (fi) Hoerselskydd med kommunikationsmoejlighet
FR2343870A2 (fr) Structure de mur-rideau
FI772664A (fi) Draekt med innerhuva
BE854110A (fr) Pilonneuse de chantier
FI773727A (fi) Kosmetikapparat foer dermatologisk behandling med en vattenaonga-ozongasblandning
TR19440A (tr) Kataliztoear rejenerasyonu
FI773340A (fi) Aonggenerator med nivaohaollningsarrangemang
FI773945A (fi) Behaollare med sned oevre foerslutning
AT353831B (de) Lokomotive
FI773173A (fi) Trummagnetseparator med starkt faelt
MX144723A (es) Banco de trabajo mejorado
FI772646A (fi) Jaernvaegsvagn foersedd med en flerdelad skjutvaegg
IT1082547B (it) Cingolo
IT1081706B (it) Retino per la rotocalcografia
FI773464A (fi) Regleringssystem foer televisionsmottagares horisontalavlaenkningssteg med halvledarlikriktare
BE857398A (fr) Mine bondissante
FI773254A (fi) Koppling med oeverlastsaekring
PL198780A1 (pl) Strug weglowy
BR7703562A (pt) Compostos de triazolil-imidazolidinonas

Legal Events

Date Code Title Description
ST Notification of lapse