FI20155583L - Menetelmät ja järjestelmät kromipitoisen raaka-aineen pelkistämiseksi - Google Patents

Menetelmät ja järjestelmät kromipitoisen raaka-aineen pelkistämiseksi Download PDF

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Publication number
FI20155583L
FI20155583L FI20155583A FI20155583A FI20155583L FI 20155583 L FI20155583 L FI 20155583L FI 20155583 A FI20155583 A FI 20155583A FI 20155583 A FI20155583 A FI 20155583A FI 20155583 L FI20155583 L FI 20155583L
Authority
FI
Finland
Prior art keywords
systems
methods
containing feedstock
reducing chromium
chromium
Prior art date
Application number
FI20155583A
Other languages
English (en)
Swedish (sv)
Inventor
Vincent F Chevrier
Russell Kakaley
Original Assignee
Midrex Technologies Inc
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 Midrex Technologies Inc filed Critical Midrex Technologies Inc
Publication of FI20155583L publication Critical patent/FI20155583L/fi

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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
FI20155583A 2013-03-06 2015-08-12 Menetelmät ja järjestelmät kromipitoisen raaka-aineen pelkistämiseksi FI20155583L (fi)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361773502P 2013-03-06 2013-03-06
PCT/US2014/021216 WO2014138401A1 (en) 2013-03-06 2014-03-06 Methods and systems for reducing chromium containing raw material
US14/199,266 US9534275B2 (en) 2013-03-06 2014-03-06 Methods and systems for reducing chromium containing raw material

Publications (1)

Publication Number Publication Date
FI20155583L true FI20155583L (fi) 2015-08-12

Family

ID=51486163

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20155583A FI20155583L (fi) 2013-03-06 2015-08-12 Menetelmät ja järjestelmät kromipitoisen raaka-aineen pelkistämiseksi

Country Status (6)

Country Link
US (1) US9534275B2 (fi)
CN (1) CN105121669A (fi)
BR (1) BR112015021356A2 (fi)
FI (1) FI20155583L (fi)
RU (1) RU2650024C2 (fi)
WO (1) WO2014138401A1 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016539251A (ja) * 2013-10-21 2016-12-15 ケイ・ダブリュ・ジー リソーシーズ，インコーポレイテッド クロム鉄鉱石からのクロム鉄合金の直接的な製造
JP6623118B2 (ja) * 2016-05-20 2019-12-18 株式会社神戸製鋼所 還元鉄の製造方法
CN113564363B (zh) * 2021-07-26 2022-08-16 中钢集团马鞍山矿山研究总院股份有限公司 含铬污泥与含铬废渣协同利用富集、回收铬资源的方法
CN113927040A (zh) * 2021-09-28 2022-01-14 西安斯瑞先进铜合金科技有限公司 一种碳还原制备高纯金属铬的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730775A (en) 1994-12-16 1998-03-24 Midrex International B.V. Rotterdam, Zurich Branch Method for rapid reduction of iron oxide in a rotary hearth furnace
US5567224A (en) 1995-06-06 1996-10-22 Armco Inc. Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame
ID22491A (id) 1997-09-30 1999-10-21 Kawasaki Steel Co Tungku perapian putar untuk oksida peleburan dan metode pengoperasian daripadanya
US6582491B2 (en) 1998-10-30 2003-06-24 Midrex International, B.V. Rotterdam, Zurich Branch Method for producing molten iron in duplex furnaces
US6413295B2 (en) 1998-11-12 2002-07-02 Midrex International B.V. Rotterdam, Zurich Branch Iron production method of operation in a rotary hearth furnace and improved furnace apparatus
EP1170384B1 (en) 1999-12-13 2010-04-07 Nippon Steel Corporation A method of operating a rotary hearth reducing furnace
JP4757982B2 (ja) 2000-06-28 2011-08-24 株式会社神戸製鋼所 粒状金属鉄の歩留まり向上方法
US6676889B2 (en) * 2000-08-25 2004-01-13 Thermo-Stack L.L.C. Modular furnace emission remediation system
US6648942B2 (en) * 2001-01-26 2003-11-18 Midrex International B.V. Rotterdam, Zurich Branch Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus
JP4307849B2 (ja) * 2003-01-07 2009-08-05 株式会社神戸製鋼所 クロム含有原料の還元方法
TWI282818B (en) 2003-01-16 2007-06-21 Kobe Steel Ltd A rotary hearth furnace and iron production method thereby
JP4295544B2 (ja) * 2003-04-09 2009-07-15 株式会社神戸製鋼所 冶金用改質炭の製造方法、ならびに冶金用改質炭を用いた還元金属および酸化非鉄金属含有スラグの製造方法
US9139480B2 (en) * 2011-02-28 2015-09-22 Honeywell International Inc. Protective coatings and coated components comprising the protective coatings
WO2013011521A1 (en) 2011-07-18 2013-01-24 Tata Steel Limited A method for direct reduction of oxidized chromite ore fines composite agglomerates in a tunnel kiln using carbonaceous reductant for production of reduced chromite product/ agglomerates applicable in ferrochrome or charge chrome production.

Also Published As

Publication number Publication date
BR112015021356A2 (pt) 2017-07-18
US20140251084A1 (en) 2014-09-11
US9534275B2 (en) 2017-01-03
RU2015139507A (ru) 2017-04-13
CN105121669A (zh) 2015-12-02
WO2014138401A1 (en) 2014-09-12
RU2650024C2 (ru) 2018-04-06

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