FI861979A0 - Foerfarande foer reduktion av jaernhaltig krommalm. - Google Patents

Foerfarande foer reduktion av jaernhaltig krommalm.

Info

Publication number: FI861979A0
Authority: FI; Finland
Prior art keywords: krommalm; jaernhaltig; reduktion; foerfarande foer; foerfarande
Prior art date: 1985-05-23

Application number

FI861979A

Other languages

English (en)

Other versions

FI83976C (fi

FI861979A (fi

FI83976B (fi

Inventor

Dietrich Radke

Wilhelm Janssen

Klaus Ulrich

Original Assignee

Krupp Gmbh

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.)

1985-05-23

Filing date

1986-05-12

Publication date

1986-05-12

1986-05-12 Application filed by Krupp Gmbh filed Critical Krupp Gmbh

1986-05-12 Publication of FI861979A0 publication Critical patent/FI861979A0/fi

1986-11-24 Publication of FI861979A publication Critical patent/FI861979A/fi

1991-06-14 Application granted granted Critical

1991-06-14 Publication of FI83976B publication Critical patent/FI83976B/fi

1991-09-25 Publication of FI83976C publication Critical patent/FI83976C/fi

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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Manufacture And Refinement Of Metals (AREA)

FI861979A 1985-05-23 1986-05-12 Foerfarande foer reduktion av jaernhaltig krommalm. FI83976C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3518555A DE3518555C1 (de)	1985-05-23	1985-05-23	Verfahren zur Reduktion von eisenhaltigen Chromerzen
DE3518555		1985-05-23

Publications (4)

Publication Number	Publication Date
FI861979A0 true FI861979A0 (fi)	1986-05-12
FI861979A FI861979A (fi)	1986-11-24
FI83976B FI83976B (fi)	1991-06-14
FI83976C FI83976C (fi)	1991-09-25

Family

ID=6271458

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI861979A FI83976C (fi)	1985-05-23	1986-05-12	Foerfarande foer reduktion av jaernhaltig krommalm.

Country Status (11)

Country	Link
US (1)	US4772316A (fi)
JP (1)	JPH0723515B2 (fi)
DE (1)	DE3518555C1 (fi)
FI (1)	FI83976C (fi)
GR (1)	GR861298B (fi)
IN (1)	IN165027B (fi)
PH (1)	PH23511A (fi)
SU (1)	SU1466652A3 (fi)
TR (1)	TR26852A (fi)
ZA (1)	ZA863819B (fi)
ZW (1)	ZW9686A1 (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS63130726A (ja) *	1986-11-21	1988-06-02	Kawasaki Steel Corp	クロム鉱石還元用ロ−タリ−キルンの操業方法とその装置
JPH07100807B2 (ja) *	1988-02-24	1995-11-01	川崎製鉄株式会社	低ｓ含クロム溶鉄の製造方法
JP2655864B2 (ja) *	1988-03-14	1997-09-24	昭和電工株式会社	高還元クロム鉱石粉体の製造方法
DE3826824C1 (fi) *	1988-08-06	1990-01-04	Fried. Krupp Gmbh, 4300 Essen, De
CN1041442C (zh) *	1993-09-22	1998-12-30	Rgc矿砂有限公司	含钛物质的煅烧
ES2114388B1 (es) *	1994-06-16	1998-12-16	Del Oxigeno S A Soc Esp	Procedimiento para la fusion de metales en hornos rotativos y horno de fusion rotativo para la aplicacion de este procedimiento.
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
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
EP2152925A4 (en) *	2007-05-24	2016-11-09	Tata Steel Ltd	METHOD FOR PRODUCING CHROMIUM NUGGETS FROM CHROMITE / CONCENTRATES
RU2490332C1 (ru) *	2011-12-05	2013-08-20	Открытое акционерное общество "Магнитогорский металлургический комбинат"	Способ металлизации железорудного сырья с получением гранулированного чугуна
SI2870107T1 (en)	2012-07-06	2018-05-31	Lanxess Deutschland Gmbh	A process for the reduction of six valent chromes in solid oxide materials
JP7215092B2 (ja) *	2018-11-08	2023-01-31	住友金属鉱山株式会社	酸化鉱石の製錬方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4414026A (en) *	1981-07-30	1983-11-08	Nippon Kokan Kabushiki Kaisha	Method for the production of ferrochromium
DE3431854C1 (de) *	1984-08-30	1986-01-09	Fried. Krupp Gmbh, 4300 Essen	Verfahren zur Herstellung von Ferrochrom
PH22151A (en) *	1983-12-31	1988-06-01	Krupp Gmbh	Process for the production of ferrochromium

1985
- 1985-05-23 DE DE3518555A patent/DE3518555C1/de not_active Expired
1986
- 1986-05-07 ZW ZW96/86A patent/ZW9686A1/xx unknown
- 1986-05-12 PH PH33755A patent/PH23511A/en unknown
- 1986-05-12 FI FI861979A patent/FI83976C/fi not_active IP Right Cessation
- 1986-05-13 IN IN362/CAL/86A patent/IN165027B/en unknown
- 1986-05-14 SU SU4027463A patent/SU1466652A3/ru active
- 1986-05-19 GR GR861298A patent/GR861298B/el unknown
- 1986-05-20 US US06/864,971 patent/US4772316A/en not_active Expired - Lifetime
- 1986-05-21 TR TR00263/86A patent/TR26852A/xx unknown
- 1986-05-22 ZA ZA863819A patent/ZA863819B/xx unknown
- 1986-05-22 JP JP61116295A patent/JPH0723515B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH0723515B2 (ja)	1995-03-15
SU1466652A3 (ru)	1989-03-15
PH23511A (en)	1989-08-16
FI83976C (fi)	1991-09-25
IN165027B (fi)	1989-08-05
JPS61272329A (ja)	1986-12-02
US4772316A (en)	1988-09-20
DE3518555C1 (de)	1986-01-09
TR26852A (tr)	1994-08-19
ZA863819B (en)	1987-01-28
ZW9686A1 (en)	1987-02-25
GR861298B (en)	1986-09-19
FI861979A (fi)	1986-11-24
FI83976B (fi)	1991-06-14

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Legal Events

Date	Code	Title	Description
1993-04-01	PC	Transfer of assignment of patent	Owner name: SAMANCOR LIMITED
2004-08-31	MM	Patent lapsed	Owner name: SAMANCOR LIMITED