MX2017005901A - Procesos para la produccion de cromo metalico y aleaciones que contienen cromo con bajo contenido de nitrogeno y productos resultantes. - Google Patents

Procesos para la produccion de cromo metalico y aleaciones que contienen cromo con bajo contenido de nitrogeno y productos resultantes.

Info

Publication number
MX2017005901A
MX2017005901A MX2017005901A MX2017005901A MX2017005901A MX 2017005901 A MX2017005901 A MX 2017005901A MX 2017005901 A MX2017005901 A MX 2017005901A MX 2017005901 A MX2017005901 A MX 2017005901A MX 2017005901 A MX2017005901 A MX 2017005901A
Authority
MX
Mexico
Prior art keywords
chromium
nitrogen
processes
metallic
metallic chromium
Prior art date
Application number
MX2017005901A
Other languages
English (en)
Inventor
A Sernik Kleber
Salvador Martins Vieira Alaércio
Porfirio Rios Adriano
Pallos Fridman Daniel
Original Assignee
Companhia Brasileira De Metalurgia E Mineração
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 Companhia Brasileira De Metalurgia E Mineração filed Critical Companhia Brasileira De Metalurgia E Mineração
Publication of MX2017005901A publication Critical patent/MX2017005901A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/04—Refining by applying a vacuum
    • 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
    • C22C1/045—Alloys based on refractory metals
    • 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
    • C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/06—Alloys based on chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Los procesos para producir cromo metálico o aleaciones que contienen cromo con bajo contenido de nitrógeno que evitan que el nitrógeno en la atmósfera circundante sea transportado al interior del elemento fundido o sea absorbido por el cromo metálico o aleación que contiene cromo durante la reacción metalotérmica incluyen la desgasificación al vacío de una mezcla de termita que comprende compuestos metálicos y polvos reductores metálicos contenida en un recipiente al vacío, encendido de la mezcla de termita para efectuar la reducción de los compuestos metálicos dentro del recipiente a presión reducida, es decir, por debajo de 1 bar y llevar a cabo la totalidad de la reacción de reducción en dicho recipiente a presión reducida, inclusive solidificación y enfriamiento, para producir un producto final con un contenido de nitrógeno inferior a 10 ppm; los productos finales obtenidos, además de cromo metálico con contenido bajo de nitrógeno en combinación con otros elementos, pueden utilizarse como materia prima para fabricar superaleaciones, acero inoxidable y otros aceros especiales, cuyo contenido final de nitrógeno está por debajo de 10 ppm.
MX2017005901A 2014-11-05 2015-10-05 Procesos para la produccion de cromo metalico y aleaciones que contienen cromo con bajo contenido de nitrogeno y productos resultantes. MX2017005901A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/533,741 US10041146B2 (en) 2014-11-05 2014-11-05 Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products
PCT/IB2015/002635 WO2016110739A2 (en) 2014-11-05 2015-10-05 Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products

Publications (1)

Publication Number Publication Date
MX2017005901A true MX2017005901A (es) 2017-11-08

Family

ID=55852015

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017005901A MX2017005901A (es) 2014-11-05 2015-10-05 Procesos para la produccion de cromo metalico y aleaciones que contienen cromo con bajo contenido de nitrogeno y productos resultantes.

Country Status (15)

Country Link
US (3) US10041146B2 (es)
EP (2) EP3215645B1 (es)
JP (1) JP6896622B2 (es)
KR (1) KR102630435B1 (es)
CN (1) CN107002170B (es)
AU (1) AU2015376120B2 (es)
BR (1) BR112017009370B1 (es)
CA (1) CA2960711C (es)
CL (1) CL2017001134A1 (es)
ES (1) ES2737923T3 (es)
MX (1) MX2017005901A (es)
PE (1) PE20171035A1 (es)
SG (1) SG11201702030TA (es)
WO (1) WO2016110739A2 (es)
ZA (1) ZA201701792B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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US10041146B2 (en) 2014-11-05 2018-08-07 Companhia Brasileira de Metalurgia e Mineraçäo Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products
US9771634B2 (en) * 2014-11-05 2017-09-26 Companhia Brasileira De Metalurgia E Mineração Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys
CN110923442B (zh) * 2019-12-17 2021-09-17 吕鲁平 一种从钛铁中矿中回收钛与铁的方法
CN112795794B (zh) * 2021-04-06 2021-07-06 西安斯瑞先进铜合金科技有限公司 一种采用湿法混合金属粉末制备高纯度金属铬块的方法
CN113430398B (zh) * 2021-05-17 2022-11-01 攀钢集团攀枝花钢铁研究院有限公司 一种含有钒元素的JCr98级金属铬及其制备方法
CN113444884B (zh) * 2021-05-17 2022-11-01 攀钢集团攀枝花钢铁研究院有限公司 一种微碳铬铁合金的制备方法
CN116121564A (zh) * 2023-02-16 2023-05-16 吴芳芳 一种真空炉外法金属铬冶炼的方法

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Also Published As

Publication number Publication date
US20190003013A1 (en) 2019-01-03
CN107002170A (zh) 2017-08-01
EP3215645A2 (en) 2017-09-13
WO2016110739A3 (en) 2016-09-01
AU2015376120A1 (en) 2017-03-23
SG11201702030TA (en) 2017-05-30
ES2737923T3 (es) 2020-01-17
KR102630435B1 (ko) 2024-01-26
CL2017001134A1 (es) 2018-01-26
JP6896622B2 (ja) 2021-06-30
JP2018501400A (ja) 2018-01-18
CN107002170B (zh) 2020-11-10
EP3553191A1 (en) 2019-10-16
WO2016110739A2 (en) 2016-07-14
CA2960711C (en) 2023-09-26
BR112017009370A2 (pt) 2017-12-19
US10041146B2 (en) 2018-08-07
US20170191145A1 (en) 2017-07-06
PE20171035A1 (es) 2017-07-17
AU2015376120B2 (en) 2021-05-27
BR112017009370B1 (pt) 2021-06-08
US20160122848A1 (en) 2016-05-05
KR20170087856A (ko) 2017-07-31
EP3215645B1 (en) 2019-04-10
ZA201701792B (en) 2021-06-30
CA2960711A1 (en) 2016-07-14
US11230751B2 (en) 2022-01-25
EP3553191B1 (en) 2023-12-06

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