NO151971C - Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter - Google Patents

Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter

Info

Publication number: NO151971C
Authority: NO; Norway
Prior art keywords: crushed; calcium oxide; steel melts; rajjar; sulfuring
Prior art date: 1979-05-19

Application number

NO801468A

Other languages

English (en)

Norwegian (no)

Other versions

NO151971B (no

NO801468L (no

Inventor

Albert Braun

Willi Portz

Georg Strauss

Original Assignee

Hoechst Ag

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.)

1979-05-19

Filing date

1980-05-16

Publication date

1985-07-10

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6071196&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO151971(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1980-05-16 Application filed by Hoechst Ag filed Critical Hoechst Ag

1980-11-20 Publication of NO801468L publication Critical patent/NO801468L/no

1985-04-01 Publication of NO151971B publication Critical patent/NO151971B/no

1985-07-10 Publication of NO151971C publication Critical patent/NO151971C/no

Links

238000004519 manufacturing process Methods 0.000 title abstract 2
239000000161 steel melt Substances 0.000 title abstract 2
238000000034 method Methods 0.000 title 1
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 4
239000000292 calcium oxide Substances 0.000 abstract 4
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 3
239000005997 Calcium carbide Substances 0.000 abstract 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
239000003795 chemical substances by application Substances 0.000 abstract 2
230000003009 desulfurizing effect Effects 0.000 abstract 2
239000011236 particulate material Substances 0.000 abstract 2
CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 abstract 2
235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
235000011941 Tilia x europaea Nutrition 0.000 abstract 1
239000000571 coke Substances 0.000 abstract 1
230000007717 exclusion Effects 0.000 abstract 1
239000012467 final product Substances 0.000 abstract 1
229910052742 iron Inorganic materials 0.000 abstract 1
239000004571 lime Substances 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
239000012803 melt mixture Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Coating With Molten Metal (AREA)

NO801468A 1979-05-19 1980-05-16 Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter NO151971C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792920353 DE2920353A1 (de)	1979-05-19	1979-05-19	Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen

Publications (3)

Publication Number	Publication Date
NO801468L NO801468L (no)	1980-11-20
NO151971B NO151971B (no)	1985-04-01
NO151971C true NO151971C (no)	1985-07-10

Family

ID=6071196

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO801468A NO151971C (no)	1979-05-19	1980-05-16	Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter

Country Status (9)

Country	Link
US (1)	US4318822A (es)
EP (1)	EP0019086B1 (es)
JP (1)	JPS55154519A (es)
AT (1)	ATE2092T1 (es)
CA (1)	CA1141965A (es)
DE (2)	DE2920353A1 (es)
ES (1)	ES8101120A1 (es)
NO (1)	NO151971C (es)
ZA (1)	ZA802943B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2952686A1 (de) *	1979-12-29	1981-07-02	Hoechst Ag, 6230 Frankfurt	Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
DE3111510A1 (de) *	1981-03-24	1982-10-07	Hoechst Ag, 6000 Frankfurt	Entschwefelungsgemisch und verfahren zu seiner herstellung
DE3111509A1 (de) *	1981-03-24	1982-10-07	Hoechst Ag, 6000 Frankfurt	Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
DE3535280A1 (de) *	1985-10-03	1987-04-09	Hoechst Ag	Entschwefelungsgemisch fuer metallschmelzen, ein verfahren zu seiner herstellung und seine verwendung
US5002733A (en) *	1989-07-26	1991-03-26	American Alloys, Inc.	Silicon alloys containing calcium and method of making same
US5397379A (en) *	1993-09-22	1995-03-14	Oglebay Norton Company	Process and additive for the ladle refining of steel
US6179895B1 (en)	1996-12-11	2001-01-30	Performix Technologies, Ltd.	Basic tundish flux composition for steelmaking processes
CN107344188A (zh) *	2017-07-28	2017-11-14	靖西天桂铝业有限公司	铝土矿洗选尾泥干法处置及综合利用新工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT264560B (de) *	1966-08-25	1968-09-10	Gustav Dipl Ing Wolfram	Basisches Stahlherstellungsverfahren
DE1919414B2 (de) *	1969-04-17	1977-07-14	Hoechst Ag, 6000 Frankfurt	Verfahren und vorrichtung zum abkuehlen von in gefaesse abgestochenem calciumcarbid
DE1935567B2 (de) *	1969-07-12	1971-05-13	Knapsack AG, 5033 Hurth Knapsack	Verfahren zur herstellung von calciumkarbid bestimmter qualitaet
DE2037758C3 (de) *	1970-07-30	1979-08-02	Hoechst Ag, 6000 Frankfurt	Verfahren zur Herstellung von CaIciumkarbid zur Entschwefelung von Metallschmelzen
DE2326539C3 (de) *	1973-05-24	1975-11-13	Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg	Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff
FR2290240A1 (fr) *	1974-11-06	1976-06-04	Unibra Sa	Perfectionnements a la desulfuration des gaz
DE2919324A1 (de) *	1979-05-14	1980-12-04	Hoechst Ag	Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung

1979
- 1979-05-19 DE DE19792920353 patent/DE2920353A1/de not_active Withdrawn
1980
- 1980-04-14 EP EP80101984A patent/EP0019086B1/de not_active Expired
- 1980-04-14 AT AT80101984T patent/ATE2092T1/de not_active IP Right Cessation
- 1980-04-14 DE DE8080101984T patent/DE3061404D1/de not_active Expired
- 1980-04-21 CA CA000350242A patent/CA1141965A/en not_active Expired
- 1980-05-09 ES ES491355A patent/ES8101120A1/es not_active Expired
- 1980-05-14 US US06/149,745 patent/US4318822A/en not_active Expired - Lifetime
- 1980-05-16 ZA ZA00802943A patent/ZA802943B/xx unknown
- 1980-05-16 NO NO801468A patent/NO151971C/no unknown
- 1980-05-19 JP JP6545180A patent/JPS55154519A/ja active Granted

Also Published As

Publication number	Publication date
EP0019086A2 (de)	1980-11-26
ZA802943B (en)	1981-06-24
NO151971B (no)	1985-04-01
DE3061404D1 (en)	1983-01-27
CA1141965A (en)	1983-03-01
JPS55154519A (en)	1980-12-02
ES491355A0 (es)	1980-12-16
EP0019086A3 (en)	1981-04-01
DE2920353A1 (de)	1980-11-27
US4318822A (en)	1982-03-09
EP0019086B1 (de)	1982-12-22
ATE2092T1 (de)	1983-01-15
JPS6353245B2 (es)	1988-10-21
NO801468L (no)	1980-11-20
ES8101120A1 (es)	1980-12-16

Publication	Publication Date	Title
NO151971C (no)	1985-07-10	Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter
ZA802836B (en)	1981-06-24	Agent for desulfurizing crude iron and steel melts, and process for making it
NO803924L (no)	1981-06-30	Fremgangsmaate til fremstilling av avsvovlingsmidler for raajern- eller staalsmelter
BR8201618A (pt)	1983-02-08	Processo para a preparacao de composicoes de dessulfuracao
CA1149618A (en)	1983-07-12	Process for the manufacture of desulfurizing agents for crude iron or steel melts
JPS5633416A (en)	1981-04-03	Manufacture of flux for steel production
ES2027717T3 (es)	1992-06-16	Procedimiento e instalacion para la fabricacion de briquetas de produccion en caliente, exentas de agente aglutinante.