FR2395305A1 - Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction - Google Patents

Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction

Info

Publication number
FR2395305A1
FR2395305A1 FR7719298A FR7719298A FR2395305A1 FR 2395305 A1 FR2395305 A1 FR 2395305A1 FR 7719298 A FR7719298 A FR 7719298A FR 7719298 A FR7719298 A FR 7719298A FR 2395305 A1 FR2395305 A1 FR 2395305A1
Authority
FR
France
Prior art keywords
electro
prodn
coke
electrical conductivity
reduction
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.)
Pending
Application number
FR7719298A
Other languages
French (fr)
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.)
Chemische Werke Buna VEB
Original Assignee
Chemische Werke Buna VEB
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 Chemische Werke Buna VEB filed Critical Chemische Werke Buna VEB
Priority to FR7719298A priority Critical patent/FR2395305A1/en
Publication of FR2395305A1 publication Critical patent/FR2395305A1/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
    • C10B57/06—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/942—Calcium carbide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Coke Industry (AREA)

Abstract

Prodn. of coke with reduced electrical conductivity is effected by mixing the crushed coal with CaO, substances which form CaO during coking, or pref. with Ca(OH)2 in amt. of 1-50 (2-15) wt.% (calculated as CaO), to form a homogeneous mixt. which is then coked. Used esp. for electro-reduction processes, in which the heat required is generated by direct electrical heating. Output of electro-reduction processes can be increased and energy consumption reduced.
FR7719298A 1977-06-23 1977-06-23 Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction Pending FR2395305A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7719298A FR2395305A1 (en) 1977-06-23 1977-06-23 Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7719298A FR2395305A1 (en) 1977-06-23 1977-06-23 Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction

Publications (1)

Publication Number Publication Date
FR2395305A1 true FR2395305A1 (en) 1979-01-19

Family

ID=9192466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7719298A Pending FR2395305A1 (en) 1977-06-23 1977-06-23 Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction

Country Status (1)

Country Link
FR (1) FR2395305A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191026772A (en) * 1910-11-17 1911-04-27 Robert Ormiston Paterson Improvements in the Preparation of Charges of Limed Coal for Distillation in the Gas Retorts, and in Apparatus for use in the said Preparation.
FR433695A (en) * 1911-07-26 1912-01-13 Ludwig Heinrich Diehl Advanced process for the manufacture of metallurgical coke
GB191121374A (en) * 1911-09-28 1912-06-27 Arthur Rollason Improvements in the Manufacture of Gas and Coke.
FR1161848A (en) * 1955-11-28 1958-09-04 Process for obtaining basic coke and equipment for its implementation
DE1074005B (en) * 1960-01-28 Dipl Ing Ludwig Schapo Dussel dorf Process for the production of metallurgical coke from coking coal with the addition of calcareous substances
DE1074547B (en) * 1960-02-04 Düsseldorf Dipl.-Ing. Ludwig Schapo Process for the production of MttalluTgischera coke from hard coal with the addition of powdered, dry hydrated lime
DE1421261A1 (en) * 1962-03-08 1969-03-13 Elektrometallurgie Gmbh Process for producing coke with low electrical conductivity
DE2722476A1 (en) * 1977-05-18 1978-11-23 Buna Chem Werke Veb Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074005B (en) * 1960-01-28 Dipl Ing Ludwig Schapo Dussel dorf Process for the production of metallurgical coke from coking coal with the addition of calcareous substances
DE1074547B (en) * 1960-02-04 Düsseldorf Dipl.-Ing. Ludwig Schapo Process for the production of MttalluTgischera coke from hard coal with the addition of powdered, dry hydrated lime
GB191026772A (en) * 1910-11-17 1911-04-27 Robert Ormiston Paterson Improvements in the Preparation of Charges of Limed Coal for Distillation in the Gas Retorts, and in Apparatus for use in the said Preparation.
FR433695A (en) * 1911-07-26 1912-01-13 Ludwig Heinrich Diehl Advanced process for the manufacture of metallurgical coke
GB191121374A (en) * 1911-09-28 1912-06-27 Arthur Rollason Improvements in the Manufacture of Gas and Coke.
FR1161848A (en) * 1955-11-28 1958-09-04 Process for obtaining basic coke and equipment for its implementation
DE1421261A1 (en) * 1962-03-08 1969-03-13 Elektrometallurgie Gmbh Process for producing coke with low electrical conductivity
DE2722476A1 (en) * 1977-05-18 1978-11-23 Buna Chem Werke Veb Prodn. of coke with reduced electrical conductivity - from mixts. of coal and calcium oxide or hydroxide, useful for electro-reduction

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