DE2846496C2 - - Google Patents

Info

Publication number
DE2846496C2
DE2846496C2 DE2846496A DE2846496A DE2846496C2 DE 2846496 C2 DE2846496 C2 DE 2846496C2 DE 2846496 A DE2846496 A DE 2846496A DE 2846496 A DE2846496 A DE 2846496A DE 2846496 C2 DE2846496 C2 DE 2846496C2
Authority
DE
Germany
Prior art keywords
lining
iron oxide
melt
melting
furnace
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
DE2846496A
Other languages
German (de)
English (en)
Other versions
DE2846496A1 (de
Inventor
Oddmund Porsgrunn No Wallevik
Erik Skien No Dessen
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.)
Norsk Hydro ASA
Original Assignee
Norsk Hydro ASA
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 Norsk Hydro ASA filed Critical Norsk Hydro ASA
Publication of DE2846496A1 publication Critical patent/DE2846496A1/de
Application granted granted Critical
Publication of DE2846496C2 publication Critical patent/DE2846496C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis
    • C01C1/0405—Preparation of ammonia by synthesis from N2 and H2 in presence of a catalyst
    • C01C1/0411—Preparation of ammonia by synthesis from N2 and H2 in presence of a catalyst characterised by the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Catalysts (AREA)
  • Manufacture Of Iron (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
DE19782846496 1977-11-15 1978-10-25 Verfahren zur herstellung von geschmolzenem eisenoxid Granted DE2846496A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO773905A NO140715C (no) 1977-11-15 1977-11-15 Fremgangsmaate ved fremstilling av smeltet jernoksyd

Publications (2)

Publication Number Publication Date
DE2846496A1 DE2846496A1 (de) 1979-05-17
DE2846496C2 true DE2846496C2 (enExample) 1988-01-07

Family

ID=19883846

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782846496 Granted DE2846496A1 (de) 1977-11-15 1978-10-25 Verfahren zur herstellung von geschmolzenem eisenoxid

Country Status (8)

Country Link
US (1) US4237111A (enExample)
JP (1) JPS5953217B2 (enExample)
DE (1) DE2846496A1 (enExample)
DK (1) DK147467C (enExample)
FR (1) FR2408551A1 (enExample)
GB (1) GB2031131B (enExample)
IT (1) IT1100084B (enExample)
NO (1) NO140715C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499871B1 (fr) * 1981-02-19 1986-11-28 Lytkin Viktor Procede d'obtention de catalyseur granule pour la synthese de l'ammoniac
WO2006073121A1 (ja) * 2005-01-07 2006-07-13 Olympus Medical Systems Corp. 内視鏡用挿入部
TWI535874B (zh) * 2006-12-13 2016-06-01 環球展覽公司 用於固相材料之改良蒸發方法
US11555473B2 (en) 2018-05-29 2023-01-17 Kontak LLC Dual bladder fuel tank
US11638331B2 (en) 2018-05-29 2023-04-25 Kontak LLC Multi-frequency controllers for inductive heating and associated systems and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB823018A (en) 1957-04-03 1959-11-04 Asea Ab Electric stirring mcans for metallurgical furnaces or the like
GB833878A (en) * 1957-12-05 1960-05-04 Chemie Linz Ag Improvements in and relating to a process of producing fused iron oxide catalysts
GB833879A (en) 1958-11-28 1960-05-04 Wilhelm Steenbeck Methods and means for treating film and sound films

Also Published As

Publication number Publication date
FR2408551B1 (enExample) 1983-01-28
FR2408551A1 (fr) 1979-06-08
IT7829575A0 (it) 1978-11-08
DE2846496A1 (de) 1979-05-17
IT1100084B (it) 1985-09-28
US4237111A (en) 1980-12-02
JPS5953217B2 (ja) 1984-12-24
JPS5476498A (en) 1979-06-19
DK505078A (da) 1979-05-16
DK147467C (da) 1985-02-25
NO140715B (no) 1979-07-16
DK147467B (da) 1984-08-20
GB2031131B (en) 1982-08-11
NO773905L (no) 1979-05-16
NO140715C (no) 1979-10-24
GB2031131A (en) 1980-04-16

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: F27D 1/10

D2 Grant after examination
8364 No opposition during term of opposition