LU71527A1 - - Google Patents

Info

Publication number: LU71527A1
Authority: LU; Luxembourg

Application number

LU71527A

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.)

1973-12-26

Filing date

1974-12-19

Publication date

1975-06-17

1974-12-19 Application filed filed Critical

1975-06-17 Publication of LU71527A1 publication Critical patent/LU71527A1/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
- C23C8/14—Oxidising of ferrous surfaces
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0086—Conditioning, transformation of reduced iron ores
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- 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
- Y02P10/20—Recycling

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Metallurgy (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Geology (AREA)
Geochemistry & Mineralogy (AREA)
General Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Manufacture Of Iron (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)
Manufacture And Refinement Of Metals (AREA)
Thermotherapy And Cooling Therapy Devices (AREA)
Coating With Molten Metal (AREA)
Compounds Of Iron (AREA)

LU71527A 1973-12-26 1974-12-19 LU71527A1 (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00428147A US3844764A (en)	1973-12-26	1973-12-26	Process for the continuous passivation of sponge iron particles

Publications (1)

Publication Number	Publication Date
LU71527A1 true LU71527A1 (xx)	1975-06-17

Family

ID=23697735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
LU71527A LU71527A1 (xx)	1973-12-26	1974-12-19

Country Status (19)

Country	Link
US (1)	US3844764A (xx)
JP (1)	JPS50116343A (xx)
AR (1)	AR201803A1 (xx)
AT (1)	AT337225B (xx)
BE (1)	BE823549A (xx)
BR (1)	BR7410603D0 (xx)
CA (1)	CA1028602A (xx)
ES (1)	ES433141A1 (xx)
FR (1)	FR2256261B1 (xx)
GB (1)	GB1445650A (xx)
IT (1)	IT1027824B (xx)
KE (1)	KE2998A (xx)
LU (1)	LU71527A1 (xx)
MY (1)	MY8000219A (xx)
NL (1)	NL7416614A (xx)
NO (1)	NO137450C (xx)
SE (1)	SE7416089L (xx)
SU (1)	SU563923A3 (xx)
ZA (1)	ZA748089B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4070180A (en) *	1976-08-23	1978-01-24	United States Steel Corporation	Process for the passivation of sponge iron utilizing reducing gases containing free oxygen
DE3419638C2 (de) *	1984-05-25	1987-02-26	MAN Technologie GmbH, 8000 München	Verfahren zur oxidativen Erzeugung von Schutzschichten auf einer Legierung
US5849817A (en) *	1994-03-24	1998-12-15	Silberline Limited	Metal pigments
GB2288411B (en) *	1994-03-24	1998-04-15	Silberline Ltd	Metal pigments
JP2001278420A (ja) *	2000-03-30	2001-10-10	Nippon Steel Corp	還元鉄の屋外貯蔵方法
SE2351155A1 (en) *	2023-10-09	2025-04-10	Hybrit Development Ab	Process and system for production of passivated cold direct reduced iron

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2677669A (en) *	1945-01-11	1954-05-04	Atomic Energy Commission	Stepwise stabilization of reduced metal catalysts
US2766108A (en) *	1955-06-30	1956-10-09	Bethlehem Steel Corp	Method of deactivating sponge iron
US3147106A (en) *	1961-04-06	1964-09-01	Hydrocarbon Research Inc	Use of lined passivation chamber in an iron powder passivating process
US3615340A (en) *	1968-11-18	1971-10-26	Exxon Research Engineering Co	Quenching and passivation of particulate metals
US3617394A (en) *	1968-11-22	1971-11-02	Exxon Research Engineering Co	Kiln passivation of reduced ores

1973
- 1973-12-26 US US00428147A patent/US3844764A/en not_active Expired - Lifetime
1974
- 1974-12-18 GB GB5470074A patent/GB1445650A/en not_active Expired
- 1974-12-19 ES ES433141A patent/ES433141A1/es not_active Expired
- 1974-12-19 FR FR7442046A patent/FR2256261B1/fr not_active Expired
- 1974-12-19 BE BE2054040A patent/BE823549A/xx not_active IP Right Cessation
- 1974-12-19 AR AR256990A patent/AR201803A1/es active
- 1974-12-19 SE SE7416089A patent/SE7416089L/xx unknown
- 1974-12-19 AT AT1013474A patent/AT337225B/de not_active IP Right Cessation
- 1974-12-19 NL NL7416614A patent/NL7416614A/xx not_active Application Discontinuation
- 1974-12-19 JP JP49146267A patent/JPS50116343A/ja active Pending
- 1974-12-19 NO NO744604A patent/NO137450C/no unknown
- 1974-12-19 IT IT30749/74A patent/IT1027824B/it active
- 1974-12-19 ZA ZA00748089A patent/ZA748089B/xx unknown
- 1974-12-19 BR BR10603/74A patent/BR7410603D0/pt unknown
- 1974-12-19 LU LU71527A patent/LU71527A1/xx unknown
- 1974-12-24 CA CA216,773A patent/CA1028602A/en not_active Expired
- 1974-12-26 SU SU7402096391A patent/SU563923A3/ru active
1979
- 1979-10-24 KE KE2998A patent/KE2998A/xx unknown
1980
- 1980-12-30 MY MY219/80A patent/MY8000219A/xx unknown

Also Published As

Publication number	Publication date
DE2461152B2 (de)	1976-10-28
BR7410603D0 (pt)	1975-09-02
US3844764A (en)	1974-10-29
ATA1013474A (de)	1976-10-15
NO137450C (no)	1978-03-01
DE2461152A1 (de)	1975-07-03
AR201803A1 (es)	1975-04-15
SU563923A3 (ru)	1977-06-30
JPS50116343A (xx)	1975-09-11
NO137450B (no)	1977-11-21
BE823549A (fr)	1975-04-16
IT1027824B (it)	1978-12-20
NL7416614A (nl)	1975-06-30
KE2998A (en)	1979-12-14
FR2256261B1 (xx)	1979-07-27
CA1028602A (en)	1978-03-28
NO744604L (xx)	1975-07-21
AU7652174A (en)	1976-06-17
ES433141A1 (es)	1976-11-16
FR2256261A1 (xx)	1975-07-25
ZA748089B (en)	1976-01-28
MY8000219A (en)	1980-12-31
AT337225B (de)	1977-06-27
SE7416089L (xx)	1975-06-27
GB1445650A (en)	1976-08-11

Publication	Publication Date	Title
AR201758A1 (xx)	1975-04-15
AU476761B2 (xx)	1976-09-30
AU465372B2 (xx)	1975-09-25
AR201235Q (xx)	1975-02-21
AR201231Q (xx)	1975-02-21
AU474593B2 (xx)	1976-07-29
AU474511B2 (xx)	1976-07-22
AU474838B2 (xx)	1976-08-05
AU465453B2 (xx)	1975-09-25
AU471343B2 (xx)	1976-04-15
AU465434B2 (xx)	1975-09-25
AU450229B2 (xx)	1974-07-04
AU476714B2 (xx)	1976-09-30
AU466283B2 (xx)	1975-10-23
AR199451A1 (xx)	1974-08-30
AU476696B2 (xx)	1976-09-30
AU472848B2 (xx)	1976-06-03
AU477823B2 (xx)	1975-06-19
AU461342B2 (xx)	1975-05-22
AR197627A1 (xx)	1974-04-23
AR200885A1 (xx)	1974-12-27
AR200256A1 (xx)	1974-10-31
AU477824B2 (xx)	1975-07-17
AR201432A1 (xx)	1975-03-14
AU447540B2 (xx)	1974-03-25