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Iron carbide process

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C01B-031/30
출원번호 US-0915125 (1997-08-20)
발명자 / 주소
  • Swanson Arden W.
출원인 / 주소
  • Iron Carbide Holdings, Ltd.
대리인 / 주소
    Sheridan Ross P.C.
인용정보 피인용 횟수 : 1  인용 특허 : 37

초록

A process for producing iron carbide in a fluid bed reactor in which the pressure may be maintained in excess of the pressure at which the mole fraction of hydrogen in the process gas begins to decrease. The hydrogen concentration is increased above the equilibrium concentration for hydrogen at the

대표청구항

[ What is claimed is:] [1.] In a process of producing iron carbide in a fluid bed reactor comprising introducing an iron oxide containing reactor feed into a fluid bed reactor, contacting said feed in said reactor with a reactant gas comprising a reducing gas and a carburizing gas to convert at leas

이 특허에 인용된 특허 (37)

  1. Langan John D. (6895 Sabado Tarde Goleta CA 93117), Apparatus for monitoring an article in sintering furnace.
  2. Hardie Gregory J. (East Fremantle AUX) Ganser John M. (Attadale AUX) Webb Ian D. (Port Kembla AUX) Hyppnen Timo (Karhula FIX) Myhnen Kari (Karhula FIX) Nopanen Ismo (Summa FIX), Apparatus for treating gases and particulate solids in a fluid bed.
  3. Ruottu Seppo (Karhula FIX), Circulating fluid bed reactor.
  4. Meissner David C. (Charlotte NC), Circulating fluidizable bed co-processing of fines in a direct reduction system.
  5. Meissner David C. (Charlotte NC), Circulating fluidized bed direct reduction system.
  6. Lindstrom Olle B. (Lorensviksvgen 14 S-183 63 Tby SEX), Direct reduction of iron oxide containing material with biofuel.
  7. Tomizawa Fumio (Yokohama JPX) Sezaki Kazuo (Funabashi JPX) Shimizu Makoto (Yokosuka JPX) Katahashi Yukinaga (Yokohama JPX), Direct reduction process for iron ores with fluidized bed system.
  8. Engstrom Folke (San Diego CA) Kuivalainen Reijo (Karhula FIX), Distributor plate for fluidized bed reactor.
  9. Whipp Roy H. (Miami FL), Fluidized process for direct reduction.
  10. Davis ; Jr. William L. (Salt Lake City UT), Method and apparatus for producing metallized iron ore.
  11. Collin Per Harald (Falun SW), Method for carrying out endothermic reduction processes in a circulating fluid bed and an apparatus therefor.
  12. Hager John P. (Golden CO) Stephens Frank A. (Arvada CO) Stephens ; Jr. Frank M. (Lakewood CO), Method for controlling the conversion of iron-containing reactor feed into iron carbide.
  13. Wetzel Rolf (Heiligenhaus-Isenbugel DT) Radke Dietrich (Essen-Margaretenhohe DT), Method for producing steel.
  14. Collin ; Per H. ; Flink ; Sune N. ; Widell ; Bjorn ; Hirsch ; Martin ; Re h ; Lothar, Method for reducing material containing iron oxides.
  15. Malmstrm Rolf (Helsinki FIX), Method for reducing material containing metal oxide in solid phase.
  16. Whipp Roy H. (Miami FL), Plant and process for fluidized bed reduction of ore.
  17. Whipp Roy H. (Miami FL), Plant and process for fluidized bed reduction of ore.
  18. Hirsch Martin (Friedrichsdorf DEX) Husain Reza (Friedberg DEX) Saatci Alpaydin (Frankfurt am Main DEX) Bresser Wolfgang (Grossostheim DEX), Process for a direct reduction of iron oxide containing materials to form Fe3C.
  19. Stephens Frank A. (Arvada CO) Hager John P. (Golden CO) Stephens ; Jr. Frank M. (Lakewood CO), Process for controlling the product quality in the conversion of reactor feed into iron carbide.
  20. Stephens ; Jr. Frank M. (Lakewood CO), Process for enhancing the fuel value of low BTU gas.
  21. Stephens ; Jr. Frank M. (Lakewood CO), Process for enhancing the fuel value of low BTU gas.
  22. Daradimos Georg (Rossbach DEX) Hirsch Martin (Friedrichsdorf DEX) Schnabel Wolfram (Idstein DEX), Process for generating heat and producing sponge iron.
  23. Stephens ; Jr. Frank M. (Lakewood CO) Hager John P. (Golden CO) Stephens Frank A. (Arvada CO), Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor.
  24. Stephens ; Jr. Frank M. (12225 W. 18th Dr. Lakewood CO 80233), Process for producing a ferronickel alloy from nickel bearing laterites.
  25. Rose Fritz (Bad Homburg DEX), Process for reducing fine-grain iron oxide materials with a gas.
  26. Stephens ; Jr. Frank M. (Lakewood CO), Process for the direct production of steel.
  27. Stephens ; Jr. Frank M. (Lakewood CO), Process for the direct production of steel.
  28. Dam G. Oscar G. (Edo Bolivar VEX) Bueno C. Henry R. (Edo Bolivar VEX), Process for the production of iron carbide.
  29. Mori Kenji (Kobe JPX) Narita Kiichi (Kobe JPX) Ijiri Ryuzo (Kobe JPX) Morimitsu Tsuneo (Kobe JPX) Kaneko Dentaro (Kobe JPX) Uemura Nobuo (Nishinomiya JPX) Kameoka Yoshifumi (Kobe JPX) Taniuchi Mamoru, Process for the production of reduced iron and thermal cracking of heavy oils.
  30. Weber Ralph (Am Nordglacis 93 423 Wesel DEX), Process for the production of steel from fine ore hot briquetted after fluidized bed reduction.
  31. Stephens ; Jr. Frank M. (Lakewood CO) Hager John P. (Golden CO) Stephens Frank A. (Arvada CO), Process for using fluidized bed reactor.
  32. Hirsch, Martin; Schnabel, Wolfram; Sauer, Harald; Schmidt, Hans-Werner, Process of afterburning and purifying process exhaust gases.
  33. Hirsch Martin (Friedrichsdorf DEX) Rose Fritz (Bad Homburg DEX) Serbent Harry (Hanau am Main DEX), Process of reducing fine-grained iron-containing material by means of solid carbonaceous reducing agents.
  34. Tolman Radon (Evergreen CO) Stephens ; Jr. Frank M. (Lakewood CO), Production of a fuel gas with a stabilized metal carbide catalyst.
  35. Brotzmann Karl (Amberg DEX), Smelting reduction method with high productivity.
  36. Korenberg Jacob (York PA), Two stage circulating fluidized bed reactor and method of operating the reactor.
  37. Stephens ; Jr. Frank M., Two step process for the production of iron carbide from iron oxide.

이 특허를 인용한 특허 (1)

  1. Yokohama, Katsuhiko; Kosaka, Kenichiro; Matsumoto, Keigo; Kawamoto, Noboru; Yamaguchi, Yoshiki; Kinoshita, Masaaki; Ohura, Koji; Tsutsumi, Atsushi; Kaneko, Shozo; Mochizuki, Kazuhiro; Fushimi, Chihiro; Kansha, Yasuki, Water-containing solid fuel drying apparatus and drying method.
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