NO118749B - - Google Patents

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Publication number
NO118749B
NO118749B NO139223A NO13922361A NO118749B NO 118749 B NO118749 B NO 118749B NO 139223 A NO139223 A NO 139223A NO 13922361 A NO13922361 A NO 13922361A NO 118749 B NO118749 B NO 118749B
Authority
NO
Norway
Prior art keywords
same color
black key
color
same
note
Prior art date
Application number
NO139223A
Other languages
English (en)
Norwegian (no)
Inventor
F Collin
Original Assignee
Elektrokemisk As
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 Elektrokemisk As filed Critical Elektrokemisk As
Priority to NO139223A priority Critical patent/NO118749B/no
Priority to CH158562A priority patent/CH396059A/de
Priority to US173539A priority patent/US3197303A/en
Priority to FI0390/62A priority patent/FI40291B/fi
Priority to ES0274865A priority patent/ES274865A2/es
Priority to GB7228/62A priority patent/GB935353A/en
Publication of NO118749B publication Critical patent/NO118749B/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/003—Phosphorus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Electrically Operated Instructional Devices (AREA)
NO139223A 1960-03-22 1961-02-24 NO118749B (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NO139223A NO118749B (zh) 1961-02-24 1961-02-24
CH158562A CH396059A (de) 1960-03-22 1962-02-09 Anordnung bei Drehrohröfen
US173539A US3197303A (en) 1961-02-24 1962-02-15 Process for pretreatment of ores in rotary kiln
FI0390/62A FI40291B (zh) 1961-02-24 1962-02-23
ES0274865A ES274865A2 (es) 1961-02-24 1962-02-23 Procedimiento de caldeo de materiales en un horno continuo
GB7228/62A GB935353A (en) 1961-02-24 1962-02-23 Improvements relating to processes for the reduction of materials in a rotary kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO139223A NO118749B (zh) 1961-02-24 1961-02-24

Publications (1)

Publication Number Publication Date
NO118749B true NO118749B (zh) 1970-02-09

Family

ID=19908569

Family Applications (1)

Application Number Title Priority Date Filing Date
NO139223A NO118749B (zh) 1960-03-22 1961-02-24

Country Status (5)

Country Link
US (1) US3197303A (zh)
ES (1) ES274865A2 (zh)
FI (1) FI40291B (zh)
GB (1) GB935353A (zh)
NO (1) NO118749B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1345641A (fr) * 1962-10-16 1963-12-13 Electro Chimie Soc D Procédé et dispositif pour la réduction des minerais de fer
DE1261527B (de) * 1962-12-07 1968-02-22 Metallgesellschaft Ag Verfahren zur Reduktion oxydischer Eisenerze
US3272616A (en) * 1963-12-30 1966-09-13 Int Nickel Co Method for recovering nickel from oxide ores
DE1224337B (de) * 1964-10-09 1966-09-08 Metallgesellschaft Ag Verfahren zur Herstellung von Eisenschwamm
US3407059A (en) * 1965-04-22 1968-10-22 Selas Corp Of America Reducing a mixture of ores and carbon
PL201389B1 (pl) * 2000-03-30 2009-04-30 Kobe Seiko Sho Kobe Steel Kk Sposób wytwarzania granulowanego metalicznego żelaza

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US890563A (en) * 1908-02-06 1908-06-09 George A St Clair Method of treating cooper ores.
US2593398A (en) * 1943-06-11 1952-04-22 Kalling Bo Michael Sture Method of reducing ores without melting
US2484911A (en) * 1945-04-21 1949-10-18 Seil Frances Merritt Rotary kiln
US2754197A (en) * 1952-09-26 1956-07-10 Wienert Fritz Otto Method and a rotary kiln for the manufacture of sponge iron
US3029141A (en) * 1960-03-21 1962-04-10 Canada Steel Co Process for the reduction of iron oxide

Also Published As

Publication number Publication date
US3197303A (en) 1965-07-27
ES274865A2 (es) 1962-04-16
FI40291B (zh) 1968-09-02
GB935353A (en) 1963-08-28

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