PE55597A1 - Proceso para convertir oxido de hierro en carburo de hierro, empleando oxido de carbono generado internamente como el agente de carburacion - Google Patents

Proceso para convertir oxido de hierro en carburo de hierro, empleando oxido de carbono generado internamente como el agente de carburacion

Info

Publication number
PE55597A1
PE55597A1 PE1997000074A PE00007497A PE55597A1 PE 55597 A1 PE55597 A1 PE 55597A1 PE 1997000074 A PE1997000074 A PE 1997000074A PE 00007497 A PE00007497 A PE 00007497A PE 55597 A1 PE55597 A1 PE 55597A1
Authority
PE
Peru
Prior art keywords
iron
oxide
approximately
iron carbide
gas
Prior art date
Application number
PE1997000074A
Other languages
English (en)
Inventor
Jr Frank M Stephens
Robert F Hogsett
Frank A Stephens
Original Assignee
Iron Carbide Holdings Ltd
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 Iron Carbide Holdings Ltd filed Critical Iron Carbide Holdings Ltd
Publication of PE55597A1 publication Critical patent/PE55597A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
    • C22C1/056—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • 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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

CARACTERIZADO POR COMPRENDER: 1) PONER EN CONTACTO APROXIMADAMENTE 2% A 7% MOLAR DE VAPOR DE AGUA CON METANO DURANTE APROXIMADAMENTE 1,5 seg DE TIEMPO DE CONTACTO DE GAS SUPERFICIAL, EN PRESENCIA DE CATALIZADORES QUE LLEVEN HIERRO, PARA GENERAR OXIDO DE CARBONO GASEOSO (MONOXIDO DE CARBONO, DIOXIDO DE CARBONO O UNA MEZCLA DE LOS MISMOS), EN DONDE UNA PRIMERA PORCION DEL VAPOR DE AGUA ES GENERADO MEDIANTE LA REDUCCION DE OXIDO DE HIERRO EN PRESENCIA DE HIDROGENO, Y UNA SEGUNDA PORCION SE PROPORCIONA CON UN GAS DEL PROCESO DE ENTRADA; Y 2) CONVERTIR EL HIERRO EN CARBURO DE HIERRO EN LA PRESENCIA DE OXIDO DE CARBONO, A UNA TEMPERATURA APROXIMADA ENTRE 550�C A 670�C, Y A UNA PRESION INTERNA EN EL REACTOR DONDE SE PRODUCE CARBURO DE HIERRO DE APROXIMADAMENTE 1 atm A 6 atm; COMPRENDE ADEMAS LOS PASOS DE: DETERMINAR LAS CARACTERISTICAS DE LA FLUIDIZACION DE LAS PARTICULAS SOLIDAS QUE SE VAN A CONVERTIR EN CARBURO DE HIERRO; DETERMINAR UNA VELOCIDAD DE GAS SUPERFICIAL SUFICIENTEMENTE ALTA PARA PROPORCIONAR LA FLUIDIZACION DE LAS PARTICULAS SOLIDAS, Y SUFICIENTEMENTE BAJA PARA IMPEDIR QUE SE LLEVEN ADELANTE SOLIDOS EXCESIVOS DESDE UN LECHO FLUIDIZADO DE UN REACTOR; Y SELECCIONAR LA PROFUNDIDAD DEL LECHO QUE PROPORCIONE UN TIEMPO DE CONTACTO DE GAS SUPERFICIAL DE APROXIMADAMENTE 1,5 seg A 10 seg
PE1997000074A 1996-02-05 1997-02-05 Proceso para convertir oxido de hierro en carburo de hierro, empleando oxido de carbono generado internamente como el agente de carburacion PE55597A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/596,954 US5733357A (en) 1996-02-05 1996-02-05 Process for converting iron oxide to iron carbide employing internally generated carbon oxide as the carbiding agent

Publications (1)

Publication Number Publication Date
PE55597A1 true PE55597A1 (es) 1998-01-30

Family

ID=24389431

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1997000074A PE55597A1 (es) 1996-02-05 1997-02-05 Proceso para convertir oxido de hierro en carburo de hierro, empleando oxido de carbono generado internamente como el agente de carburacion

Country Status (10)

Country Link
US (1) US5733357A (es)
JP (1) JPH11509511A (es)
AU (2) AU694018B2 (es)
BR (1) BR9704156A (es)
CA (1) CA2213095C (es)
DE (1) DE19621412C2 (es)
GB (1) GB2314075B (es)
MY (1) MY112835A (es)
PE (1) PE55597A1 (es)
WO (1) WO1997028283A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19717304C2 (de) * 1997-04-24 1999-05-27 Metallgesellschaft Ag Verfahren zum Erzeugen von Eisencarbid aus körnigem Eisenschwamm
US6063155A (en) * 1998-04-06 2000-05-16 Orinoco Iron, C.A. Fluidized bed process for the production of iron carbide
US6994324B2 (en) * 2003-05-02 2006-02-07 Alliant Techsystems Inc. Fiber redirect system, multi-axis robotic wrist and fiber placement apparatus incorporating same and related methods
JP5503472B2 (ja) * 2010-09-07 2014-05-28 株式会社神戸製鋼所 還元鉄の製造方法
CN105543611A (zh) * 2015-12-27 2016-05-04 南通汉瑞新材料科技有限公司 钒氮合金烧结过程中未渗氮的合金碳化物再转化利用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32247A (en) * 1861-05-07 Vegetable-cutter
US2780537A (en) * 1952-11-24 1957-02-05 Stelling Process of treating pulverulent iron oxides
US4053301A (en) * 1975-10-14 1977-10-11 Hazen Research, Inc. Process for the direct production of steel
US4398954A (en) * 1979-12-31 1983-08-16 The Mead Corporation Microcapsular coating composition containing a hydrophobic silica
US4396423A (en) * 1981-06-22 1983-08-02 Stephens Jr Frank M Process for recovering iron and zinc from steel making dusts
US4398945A (en) * 1981-06-22 1983-08-16 Stephens Jr Frank M Process for producing a ferronickel alloy from nickel bearing laterites
DE3317701C2 (de) * 1983-05-16 1986-08-07 Hylsa S.A., Monterrey, N.L. Verfahren zum Betreiben eines Bewegtbett-Reduktionsreaktors mit vertikalem Schacht zum Reduzieren von Eisenerz zu Schwammeisen
US5118479A (en) * 1990-08-01 1992-06-02 Iron Carbide Holdings, Limited Process for using fluidized bed reactor
BR9106710A (pt) * 1990-08-01 1993-08-03 Iron Carbide Holdings Ltd Metodo para controlar a conversao de carga de reator contendo ferro em carboneto de ferro
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide
US5387274A (en) * 1993-11-15 1995-02-07 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of iron carbide
US5437708A (en) * 1994-05-04 1995-08-01 Midrex International B.V. Rotterdam, Zurich Branch Iron carbide production in shaft furnace

Also Published As

Publication number Publication date
DE19621412C2 (de) 1999-07-15
BR9704156A (pt) 1999-06-29
WO1997028283A1 (en) 1997-08-07
JPH11509511A (ja) 1999-08-24
CA2213095C (en) 2007-05-08
MY112835A (en) 2001-09-29
CA2213095A1 (en) 1997-08-07
GB2314075B (en) 1999-12-08
DE19621412A1 (de) 1997-08-07
GB2314075A (en) 1997-12-17
AU5229696A (en) 1997-08-14
AU1849797A (en) 1997-08-22
US5733357A (en) 1998-03-31
AU694018B2 (en) 1998-07-09
GB9720984D0 (en) 1997-12-03

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed