BR8805650A - Processo para a reducao direta de materiais com teor de oxido de ferro - Google Patents

Processo para a reducao direta de materiais com teor de oxido de ferro

Info

Publication number
BR8805650A
BR8805650A BR888805650A BR8805650A BR8805650A BR 8805650 A BR8805650 A BR 8805650A BR 888805650 A BR888805650 A BR 888805650A BR 8805650 A BR8805650 A BR 8805650A BR 8805650 A BR8805650 A BR 8805650A
Authority
BR
Brazil
Prior art keywords
materials
iron oxide
oxide content
direct reduction
reduction
Prior art date
Application number
BR888805650A
Other languages
English (en)
Portuguese (pt)
Inventor
Gerd Eisenheimer
Hermann Lommert
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of BR8805650A publication Critical patent/BR8805650A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/08Making spongy iron or liquid steel, by direct processes in rotary furnaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Compounds Of Iron (AREA)
BR888805650A 1987-12-18 1988-11-02 Processo para a reducao direta de materiais com teor de oxido de ferro BR8805650A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873743007 DE3743007A1 (de) 1987-12-18 1987-12-18 Verfahren zur direktreduktion von eisenoxidhaltigen materialien im drehrohrofen

Publications (1)

Publication Number Publication Date
BR8805650A true BR8805650A (pt) 1989-07-18

Family

ID=6342944

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888805650A BR8805650A (pt) 1987-12-18 1988-11-02 Processo para a reducao direta de materiais com teor de oxido de ferro

Country Status (11)

Country Link
EP (1) EP0321018B1 (fr)
CN (1) CN1016618B (fr)
AU (1) AU610957B2 (fr)
BR (1) BR8805650A (fr)
DE (2) DE3743007A1 (fr)
ES (1) ES2042722T3 (fr)
GR (1) GR3005903T3 (fr)
IN (1) IN169929B (fr)
PT (1) PT89252B (fr)
TR (1) TR23570A (fr)
ZA (1) ZA889414B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA947333B (en) * 1993-09-22 1995-05-10 Rgc Mineral Sands Ltd Treatment of titaniferous material.
GB9523229D0 (en) * 1995-11-14 1996-01-17 Allied Dust Processing Ltd Method of processing finely divided material incorporating metal based constituents
CN100398669C (zh) * 2005-05-10 2008-07-02 太原理工大学 用微波竖炉制取低碳海绵铁的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1542305A1 (de) * 1965-06-23 1970-04-30 Metallgesellschaft Ag Verfahren zur Durchfuehrung endothermer Reaktionen im Drehrohrofen
FR1484260A (fr) * 1965-06-23 1967-06-09 Metallgesellschaft Ag Procédé de réalisation de réactions endothermiques dans un four tubulaire tournant
DE2905339A1 (de) * 1979-02-13 1980-08-21 Metallgesellschaft Ag Verfahren zur erzeugung von stahl

Also Published As

Publication number Publication date
IN169929B (fr) 1992-01-11
GR3005903T3 (fr) 1993-06-07
AU2695388A (en) 1989-06-22
TR23570A (tr) 1990-04-03
EP0321018B1 (fr) 1992-07-22
CN1016618B (zh) 1992-05-13
DE3873051D1 (de) 1992-08-27
PT89252B (pt) 1993-07-30
ES2042722T3 (es) 1993-12-16
PT89252A (pt) 1989-12-29
ZA889414B (en) 1990-08-29
DE3743007A1 (de) 1989-06-29
CN1033649A (zh) 1989-07-05
AU610957B2 (en) 1991-05-30
EP0321018A1 (fr) 1989-06-21

Similar Documents

Publication Publication Date Title
BR8703942A (pt) Processo para a reducao direta de materiais contendo oxido de ferro
BR8503884A (pt) Processo para a reducao direta de materiais contendo oxido de ferro
PT81434B (pt) Processo para o tratamento de material de acondicionamento
BR8805440A (pt) Processo para a fabricacao de 1,1,1-trifluorodicloroetano e/ou 1,1,1,2-tetrafluorocloroetano por fluoracao de um tetrahaloetileno
PT80118B (pt) Processo para a fabricacao de novos materiais ceramicos e materiais assim obtidos
BR8605596A (pt) Processo para a preparacao de composicoes e para a preparacao de compostos
PT87075A (pt) Aparelho misturador e processo para o fabrico do mesmo
BR8306147A (pt) Recipiente de construcao multiplice e processo para fabricar o mesmo
BR8301572A (pt) Pigmentos de oxido de ferro, processo para sua preparacao e aplicacao
BR8305348A (pt) Aparelho e processo aperfeicoados para a deslignificacao continua, com oxigenio, de materiais fibrosos
BR8503668A (pt) Processo para a fabricacao de esponja de ferro
BR8400824A (pt) Processo para a preparacao de oxido de ferro micaceo
BR9401106A (pt) Processo para a redução direta de materiais contendo óxido de ferro com agentes redutores carbonáceos sólidos
BR8502554A (pt) Processo para separar particulas solidas e materiais gasosos e aparelho para realizar o processo
PT84664B (pt) Processo para o tratamento de superficies de ferro ou de aco
BR8505364A (pt) Processo para aplicacao de material de pulverizacao refratario
BR8904658A (pt) Composicao e processo para o aclaramento otico de materiais
BR8703668A (pt) Processo para encurvamento de materiais termoplasticos e dispositivo para executar o processo
PT82046B (pt) Processo e composicao para a beneficiacao de minerais de ferro a partir de minerios de ferro por flotacao em espuma
BR8904168A (pt) Processo para producao de oxido de titanio
BR8807324A (pt) Aparelhagem e processo para producao de granulos
BR8601654A (pt) Processo para a producao de materiais destinados a construcao de obras publicas e aditivo pulverulento
BR8805650A (pt) Processo para a reducao direta de materiais com teor de oxido de ferro
BR8102981A (pt) Processo aperfeicoado para o tratamento de materiais fibrosos
BR8805204A (pt) Processo para a preparacao de pigmentos negros de oxido de ferro finamente divididos,pigmentos negros de oxido de ferro e aplicacao

Legal Events

Date Code Title Description
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 02/11/2003