IT1155781B - Procedimento per la desolforazione di ferro o acciaio fusi gas di camino e simili materiali contenenti zolfo - Google Patents

Procedimento per la desolforazione di ferro o acciaio fusi gas di camino e simili materiali contenenti zolfo

Info

Publication number: IT1155781B
Authority: IT; Italy
Prior art keywords: desulfuring; iron; materials containing; similar materials; containing sulfur
Prior art date: 1977-10-03

Application number

IT47733/78A

Other languages

English (en)

Italian (it)

Other versions

IT7847733A0 (it

Original Assignee

Molycorp Inc Societa Dello Sta

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.)

1977-10-03

Filing date

1978-01-20

Publication date

1987-01-28

1977-10-03 Priority claimed from US05/838,945 external-priority patent/US4161400A/en

1978-01-20 Application filed by Molycorp Inc Societa Dello Sta filed Critical Molycorp Inc Societa Dello Sta

1978-01-20 Publication of IT7847733A0 publication Critical patent/IT7847733A0/it

1987-01-28 Application granted granted Critical

1987-01-28 Publication of IT1155781B publication Critical patent/IT1155781B/it

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 2
229910000831 Steel Inorganic materials 0.000 title 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title 1
229910052742 iron Inorganic materials 0.000 title 1
239000000463 material Substances 0.000 title 1
239000010959 steel Substances 0.000 title 1
229910052717 sulfur Inorganic materials 0.000 title 1
239000011593 sulfur Substances 0.000 title 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
- 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)
General Chemical & Material Sciences (AREA)
Environmental & Geological Engineering (AREA)
Biomedical Technology (AREA)
Analytical Chemistry (AREA)
Health & Medical Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)
Treating Waste Gases (AREA)
Gasket Seals (AREA)

IT47733/78A 1977-10-03 1978-01-20 Procedimento per la desolforazione di ferro o acciaio fusi gas di camino e simili materiali contenenti zolfo IT1155781B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US83888877A	1977-10-03	1977-10-03
US05/838,945 US4161400A (en)	1976-07-15	1977-10-03	Methods of desulphurizing fluid materials

Publications (2)

Publication Number	Publication Date
IT7847733A0 IT7847733A0 (it)	1978-01-20
IT1155781B true IT1155781B (it)	1987-01-28

Family

ID=27126069

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT47733/78A IT1155781B (it)	1977-10-03	1978-01-20	Procedimento per la desolforazione di ferro o acciaio fusi gas di camino e simili materiali contenenti zolfo

Country Status (6)

Country	Link
JP (1)	JPS5451976A (de)
CA (1)	CA1077682A (de)
DE (1)	DE2756201C3 (de)
FR (1)	FR2404676A2 (de)
GB (1)	GB1570776A (de)
IT (1)	IT1155781B (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB718750A (en) *	1951-10-31	1954-11-17	Molybdenum Corp	Manufacture of iron and steel and products obtained thereby
FR1108850A (fr) *	1953-07-16	1956-01-18	Molybdenum Corp	Production de fers et d'aciers et leurs compositions
US2863755A (en) *	1957-04-22	1958-12-09	Union Carbide Corp	Oil-treated calcium carbide for desulfurization of iron
SE341412B (de) *	1969-07-15	1971-12-27	Asea Ab
GB1453717A (en) *	1973-08-17	1976-10-27	British Steel Corp	Manufacture of steel
US4045371A (en) *	1974-05-07	1977-08-30	Exxon Research And Engineering Company	Process for preparing a gas desulfurization sorbent
US3960616A (en) *	1975-06-19	1976-06-01	Armco Steel Corporation	Rare earth metal treated cold rolled, non-oriented silicon steel and method of making it

1977
- 1977-12-16 DE DE2756201A patent/DE2756201C3/de not_active Expired
1978
- 1978-01-20 IT IT47733/78A patent/IT1155781B/it active
- 1978-02-23 CA CA297,627A patent/CA1077682A/en not_active Expired
- 1978-03-02 FR FR7805968A patent/FR2404676A2/fr active Pending
- 1978-03-02 GB GB8315/78A patent/GB1570776A/en not_active Expired
- 1978-04-05 JP JP3931878A patent/JPS5451976A/ja active Pending

Also Published As

Publication number	Publication date
DE2756201A1 (de)	1979-04-05
FR2404676A2 (fr)	1979-04-27
DE2756201B2 (de)	1980-08-14
IT7847733A0 (it)	1978-01-20
GB1570776A (en)	1980-07-09
CA1077682A (en)	1980-05-20
JPS5451976A (en)	1979-04-24
DE2756201C3 (de)	1981-03-26

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