FR2310401A1 - Procede et dispositif pour la gazeification continue de substances solides ou liquides, contenant du carbone ou des hydrocarbures, dans un reacteur a bain de fer - Google Patents

Procede et dispositif pour la gazeification continue de substances solides ou liquides, contenant du carbone ou des hydrocarbures, dans un reacteur a bain de fer

Info

Publication number: FR2310401A1
Authority: FR; France
Prior art keywords: gazeification; hydrocarbons; continuous; solid; containing carbon
Prior art date: 1975-05-09
Legal status (The legal status 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 status listed.): Granted

Application number

FR7613792A

Other languages

English (en)

French (fr)

Other versions

FR2310401B1 (pt

Inventor

Dr Brotzmann

Prof Dr Knuppel

Dr Fassbinder

Dipl Ing Mietzner

Dr Ambros

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Eisenwerke Gesellschaf Maximilianshuette mbH

Original Assignee

Eisenwerke Gesellschaf Maximilianshuette mbH

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.)

1975-05-09

Filing date

1976-05-07

Publication date

1976-12-03

1975-05-09 Priority claimed from DE2520584A external-priority patent/DE2520584C3/de

1975-05-10 Priority claimed from DE2520938A external-priority patent/DE2520938C3/de

1975-05-10 Priority claimed from DE19752520883 external-priority patent/DE2520883B2/de

1975-05-10 Priority claimed from DE19752520868 external-priority patent/DE2520868C3/de

1976-02-04 Priority claimed from DE19762604140 external-priority patent/DE2604140C3/de

1976-05-07 Application filed by Eisenwerke Gesellschaf Maximilianshuette mbH filed Critical Eisenwerke Gesellschaf Maximilianshuette mbH

1976-12-03 Publication of FR2310401A1 publication Critical patent/FR2310401A1/fr

1979-08-17 Application granted granted Critical

1979-08-17 Publication of FR2310401B1 publication Critical patent/FR2310401B1/fr

Status Granted legal-status Critical Current

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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/57—Gasification using molten salts or metals
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
- C10J3/76—Water jackets; Steam boiler-jackets
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
- C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0943—Coke
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0969—Carbon dioxide
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0983—Additives
- C10J2300/0996—Calcium-containing inorganic materials, e.g. lime
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Combustion & Propulsion (AREA)
Oil, Petroleum & Natural Gas (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Industrial Gases (AREA)
Carbon And Carbon Compounds (AREA)
Manufacture Of Iron (AREA)
Inert Electrodes (AREA)

FR7613792A 1975-05-09 1976-05-07 Procede et dispositif pour la gazeification continue de substances solides ou liquides, contenant du carbone ou des hydrocarbures, dans un reacteur a bain de fer Granted FR2310401A1 (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
DE2520584A DE2520584C3 (de)	1975-05-09	1975-05-09	Verfahren und Vorrichtung zum Vergasen schwefelhaltiger Kohle in einem Eisenbadreaktor
DE2520938A DE2520938C3 (de)	1975-05-10	1975-05-10	Verfahren zur kontinuierlichen Herstellung eines im wesentlichen aus Kohlenmonoxid und Wasserstoff bestehenden Reduktionsgases
DE19752520883 DE2520883B2 (de)	1975-05-10	1975-05-10	Verfahren und Vorrichtung zur kontinuierlichen Vergasung von Kohle oder kohlenstoffhaltigen Brennstoffen in einem Eisenbadreaktor
DE19752520868 DE2520868C3 (de)	1975-05-10	1975-05-10	Verfahren zur Zuführung von Wärme beim Kohlevergasungsprozess im Eisenbadreaktor
DE19762604140 DE2604140C3 (de)	1976-02-04	1976-02-04	Verfahren zur Herstellung von Synthese- und Reduktionsgas

Publications (2)

Publication Number	Publication Date
FR2310401A1 true FR2310401A1 (fr)	1976-12-03
FR2310401B1 FR2310401B1 (pt)	1979-08-17

Family

ID=27510407

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7613792A Granted FR2310401A1 (fr)	1975-05-09	1976-05-07	Procede et dispositif pour la gazeification continue de substances solides ou liquides, contenant du carbone ou des hydrocarbures, dans un reacteur a bain de fer

Country Status (16)

Country	Link
AR (1)	AR209165A1 (pt)
AT (1)	AT374829B (pt)
BE (1)	BE841555A (pt)
CA (1)	CA1076360A (pt)
CS (1)	CS203988B2 (pt)
DD (1)	DD126201A5 (pt)
FR (1)	FR2310401A1 (pt)
GB (1)	GB1498318A (pt)
HU (1)	HU176773B (pt)
IN (1)	IN145355B (pt)
LU (1)	LU74887A1 (pt)
MX (1)	MX3528E (pt)
NL (1)	NL170438C (pt)
NO (1)	NO150632C (pt)
RO (1)	RO72699A (pt)
SE (1)	SE424085B (pt)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0024250A1 (de) *	1979-08-14	1981-02-25	Arbed S.A.	Verfahren und Einrichtung zur Wiederverwertung kohlenstoffreicher Abfälle
EP0028968A1 (fr) *	1979-10-31	1981-05-20	Canadian Liquid Air Ltd Air Liquide Canada Ltee	Procédé de traitement d'un métal en bain fondu
FR2477576A1 (fr) *	1980-03-05	1981-09-11	Creusot Loire	Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente
FR2498630A2 (fr) *	1981-01-27	1982-07-30	Creusot Loire	Tuyere d'introduction simultanee et separee d'au moins un gaz et d'une matiere pulverulente
FR2506321A1 (fr) *	1981-05-20	1982-11-26	Ips Interproject Service Ab	Procede de gazeification du carbone
EP0096212A2 (de) *	1982-06-09	1983-12-21	Klöckner-Werke Aktiengesellschaft	Verfahren zum Kühlen von OBM-Düsen in Kohlevergasungsanlagen
EP0035451B1 (fr) *	1980-03-05	1984-06-27	Creusot-Loire	Procédé d'introduction simultanée et séparée d'au moins un gaz et d'une matière pulvérulente dans une tuyère à usage métallurgique
FR2555194A1 (fr) *	1983-11-18	1985-05-24	Siderurgie Fse Inst Rech	Procede et installation pour la gazeification du charbon

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2950865C2 (de) *	1979-12-18	1986-11-06	Klöckner-Humboldt-Deutz AG, 5000 Köln	Vorrichtung zur kontinuierlichen Herstellung eines im wesentlichen CO und H↓2↓ enthaltenden Gases
DE3032043A1 (de) *	1980-08-26	1982-03-04	Klöckner-Werke AG, 4100 Duisburg	Verfahren zur entschwefelung bei der gaserzeugung im eisenbadreaktor
DE3614048A1 (de) *	1986-04-25	1987-11-05	Kloeckner Humboldt Deutz Ag	Verfahren und vorrichtung zur vergasung minderwertiger brennstoffe in einem feuerfluessigen metallschmelzbad
CN110791301A (zh) *	2019-10-31	2020-02-14	中国科学院青岛生物能源与过程研究所	易熔金属热载体传热加工工艺方法
CN113604254A (zh) *	2021-09-02	2021-11-05	河南心连心化学工业集团股份有限公司	一种煤气化废渣资源化利用的生产装置以及生产方法

1976
- 1976-04-20 HU HU76EI674A patent/HU176773B/hu unknown
- 1976-05-05 LU LU74887A patent/LU74887A1/xx unknown
- 1976-05-05 CA CA251,823A patent/CA1076360A/en not_active Expired
- 1976-05-05 DD DD192684A patent/DD126201A5/xx unknown
- 1976-05-06 AR AR263211A patent/AR209165A1/es active
- 1976-05-06 CS CS763026A patent/CS203988B2/cs unknown
- 1976-05-07 SE SE7605226A patent/SE424085B/xx not_active IP Right Cessation
- 1976-05-07 NO NO761582A patent/NO150632C/no unknown
- 1976-05-07 BE BE2055011A patent/BE841555A/xx not_active IP Right Cessation
- 1976-05-07 IN IN795/CAL/76A patent/IN145355B/en unknown
- 1976-05-07 FR FR7613792A patent/FR2310401A1/fr active Granted
- 1976-05-07 GB GB18728/76A patent/GB1498318A/en not_active Expired
- 1976-05-07 NL NLAANVRAGE7604895,A patent/NL170438C/xx not_active IP Right Cessation
- 1976-05-07 AT AT0335076A patent/AT374829B/de not_active IP Right Cessation
- 1976-05-08 RO RO7686057A patent/RO72699A/ro unknown
- 1976-05-10 MX MX76217U patent/MX3528E/es unknown

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0024250A1 (de) *	1979-08-14	1981-02-25	Arbed S.A.	Verfahren und Einrichtung zur Wiederverwertung kohlenstoffreicher Abfälle
EP0028968A1 (fr) *	1979-10-31	1981-05-20	Canadian Liquid Air Ltd Air Liquide Canada Ltee	Procédé de traitement d'un métal en bain fondu
FR2477576A1 (fr) *	1980-03-05	1981-09-11	Creusot Loire	Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente
EP0035451B1 (fr) *	1980-03-05	1984-06-27	Creusot-Loire	Procédé d'introduction simultanée et séparée d'au moins un gaz et d'une matière pulvérulente dans une tuyère à usage métallurgique
FR2498630A2 (fr) *	1981-01-27	1982-07-30	Creusot Loire	Tuyere d'introduction simultanee et separee d'au moins un gaz et d'une matiere pulverulente
FR2506321A1 (fr) *	1981-05-20	1982-11-26	Ips Interproject Service Ab	Procede de gazeification du carbone
EP0096212A2 (de) *	1982-06-09	1983-12-21	Klöckner-Werke Aktiengesellschaft	Verfahren zum Kühlen von OBM-Düsen in Kohlevergasungsanlagen
EP0096212A3 (de) *	1982-06-09	1984-09-26	Klöckner-Werke Aktiengesellschaft	Verfahren zum Kühlen von OBM-Düsen in Kohlevergasungsanlagen
FR2555194A1 (fr) *	1983-11-18	1985-05-24	Siderurgie Fse Inst Rech	Procede et installation pour la gazeification du charbon
EP0149930A2 (fr) *	1983-11-18	1985-07-31	Institut De Recherches De La Siderurgie Francaise (Irsid)	Procédé et installation pour la gazéification du charbon
EP0149930A3 (en) *	1983-11-18	1986-04-02	Institut De Recherches De La Siderurgie Francaise (Irsid)	Process and plant for coal gasification

Also Published As

Publication number	Publication date
NO761582L (pt)	1976-11-10
AT374829B (de)	1984-06-12
NL170438C (nl)	1982-11-01
BE841555A (fr)	1976-09-01
SE424085B (sv)	1982-06-28
NL7604895A (nl)	1976-11-11
NL170438B (nl)	1982-06-01
GB1498318A (en)	1978-01-18
MX3528E (es)	1981-01-30
NO150632B (no)	1984-08-13
IN145355B (pt)	1978-09-30
SE7605226L (sv)	1976-11-10
NO150632C (no)	1984-11-21
DD126201A5 (pt)	1977-06-29
AR209165A1 (es)	1977-03-31
CS203988B2 (en)	1981-03-31
HU176773B (en)	1981-05-28
AU1363976A (en)	1977-11-10
CA1076360A (en)	1980-04-29
LU74887A1 (pt)	1977-01-14
FR2310401B1 (pt)	1979-08-17
RO72699A (ro)	1981-06-22
ATA335076A (de)	1983-10-15

Publication	Publication Date	Title
FR2310401A1 (fr)	1976-12-03	Procede et dispositif pour la gazeification continue de substances solides ou liquides, contenant du carbone ou des hydrocarbures, dans un reacteur a bain de fer
FR2328503A1 (fr)	1977-05-20	Procede et appareil de traitement d'un liquide, notamment d'eaux residuaires
BE835163A (fr)	1976-02-16	Procede et dispositif pour engendre des gouttes, dans un jet de liquide et notamment d'encre
BE833012A (fr)	1976-03-03	Procede et appareillage pour l'analyse de traces de mercure dans des liquides
FR2314486A1 (fr)	1977-01-07	Procede et dispositif pour la preparation de liquides contenant des matieres en suspension, pour un examen
FR2341854A1 (fr)	1977-09-16	Procede et appareil pour le prelevement d'un echantillon dans un reacteur sous pression
FR2301290A1 (fr)	1976-09-17	Procede et dispositif pour l'enrichissement de liquides en gaz
FR2329332A1 (fr)	1977-05-27	Dispositif pour l'introduction de gaz notamment d'air dans des liquides tels que des eaux usees a traiter
BE847123A (fr)	1977-04-08	Procede et appareil pour separer un melange de liquides non miscibles contenant des particules de carbone,
FR2297658A1 (fr)	1976-08-13	Procede et appareil pour l'evaporation de liquides moussants
BE820058A (fr)	1975-03-18	Dispositif et procede pour le refroidissement de liquides contenant des matieres solides
PT75439A (fr)	1982-09-01	Procede et dispositif pour l'affinage d'un bain de metal contenant des matieres refroidissantes solides
BE818129A (fr)	1974-11-18	Procede et dispositif pour l'aeration d'un liquide
BE800016A (fr)	1973-09-17	Procede et dispositif pour l'incorporation de matieres solides dans un bain de metal en fusion,
FR1189812A (fr)	1959-10-07	Procédé et appareil d'extraction continue d'un corps dissous adsorbable, d'une solution claire ou d'une suspension de solides finement divisés dans un liquide
FR2289034A1 (fr)	1976-05-21	Procede et dispositif pour l'introduction continue de matieres radioactives ou toxiques dans des recipients
FR2320551A1 (fr)	1977-03-04	Procede et appareillage pour le dosage du carbone mineral dans un liquide
BE836744A (fr)	1976-04-16	Procede et appareil pour la determination de la teneur d'anhydride carbonique d'un fluide biologique
BE837256A (fr)	1976-04-16	Procede et dispositif pour la determination des points d'inversion lors de la filtration de melanges de liquides
BE844891A (fr)	1977-02-07	Procede perfectionne pour le traitement par oxydation des eaux residuaires contenant des sulfures, des sulfites et des thiosulfates
BE828717A (fr)	1975-09-01	Procede et dispositif pour diminuer le temps de reponse d'une sonde consommable pour le dosage de l'oxygene dans les metaux fondus
BE769643A (fr)	1971-11-16	Procede et dispositif pour le dosage rapide de l'oxygene et/ou du carbone des coulees de metal
BE799589A (fr)	1973-09-17	Procede et appareil de traitement d'une vapeur ou d'un gaz contenant un solide ou liquide tres finement divise
BE847245A (fr)	1977-04-13	Procede et dispositif utilises pour l'entrainement repetitif des documents a reproduire dans un appareil reprographique,
JPS5421054A (en)	1979-02-16	Biological method of removing nitrogen

Legal Events

Date	Code	Title	Description
1990-04-06	TP	Transmission of property