NL7704399A - Werkwijze en reactor voor de partiele ver- branding van koolpoeder. - Google Patents

Werkwijze en reactor voor de partiele ver- branding van koolpoeder.

Info

Publication number
NL7704399A
NL7704399A NL7704399A NL7704399A NL7704399A NL 7704399 A NL7704399 A NL 7704399A NL 7704399 A NL7704399 A NL 7704399A NL 7704399 A NL7704399 A NL 7704399A NL 7704399 A NL7704399 A NL 7704399A
Authority
NL
Netherlands
Prior art keywords
reactor
coal powder
partial burning
burning
partial
Prior art date
Application number
NL7704399A
Other languages
English (en)
Dutch (nl)
Original Assignee
Shell Int Research
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.)
Filing date
Publication date
Application filed by Shell Int Research filed Critical Shell Int Research
Priority to NL7704399A priority Critical patent/NL7704399A/xx
Priority to CA298,996A priority patent/CA1093899A/fr
Priority to US05/896,002 priority patent/US4172708A/en
Priority to ZA00782277A priority patent/ZA782277B/xx
Priority to MX173191A priority patent/MX147524A/es
Priority to PL1978206254A priority patent/PL110558B1/pl
Priority to BE186944A priority patent/BE866176A/fr
Priority to DE2817356A priority patent/DE2817356C2/de
Priority to JP4601278A priority patent/JPS53132004A/ja
Priority to GB15675/78A priority patent/GB1566094A/en
Priority to FR7811692A priority patent/FR2388039A1/fr
Priority to IT22546/78A priority patent/IT1094553B/it
Priority to BR7802463A priority patent/BR7802463A/pt
Priority to AU35300/78A priority patent/AU515214B2/en
Priority to ES468970A priority patent/ES468970A1/es
Publication of NL7704399A publication Critical patent/NL7704399A/xx

Links

Classifications

    • 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
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • 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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/482—Gasifiers with stationary fluidised bed
    • 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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/485—Entrained flow gasifiers
    • 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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/52—Ash-removing devices
    • C10J3/523—Ash-removing devices for gasifiers with stationary fluidised bed
    • 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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/52—Ash-removing devices
    • C10J3/526—Ash-removing devices for entrained flow gasifiers
    • 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
    • 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
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
    • 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
    • C10J2300/0973—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
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1846—Partial oxidation, i.e. injection of air or oxygen only
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/54—Venturi scrubbers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Solid-Fuel Combustion (AREA)
NL7704399A 1977-04-22 1977-04-22 Werkwijze en reactor voor de partiele ver- branding van koolpoeder. NL7704399A (nl)

Priority Applications (15)

Application Number Priority Date Filing Date Title
NL7704399A NL7704399A (nl) 1977-04-22 1977-04-22 Werkwijze en reactor voor de partiele ver- branding van koolpoeder.
CA298,996A CA1093899A (fr) 1977-04-22 1978-03-15 Methode et reacteur pour la combustion partielle de fines particules de combustible solide
US05/896,002 US4172708A (en) 1977-04-22 1978-04-13 Process and apparatus for use with a reactor for the partial combustion of finely divided solid fuel
ZA00782277A ZA782277B (en) 1977-04-22 1978-04-20 Process and reactor for the partial combustion of finely divided solid fuel
MX173191A MX147524A (es) 1977-04-22 1978-04-20 Procedimiento y reactor mejorados para la combustion parcial de combustible solido finamente dividido
PL1978206254A PL110558B1 (en) 1977-04-22 1978-04-20 Reactor for partial burning particulated solid coal fuel
BE186944A BE866176A (fr) 1977-04-22 1978-04-20 Procede et reacteur pour la combustion partielle d'un combustible solide finement divise
DE2817356A DE2817356C2 (de) 1977-04-22 1978-04-20 Produktgas-Kühlvorrichtung an einem Generator zur Kohlenstaub-Vergasung und Herstellung von Synthesegas
JP4601278A JPS53132004A (en) 1977-04-22 1978-04-20 Partial combustion of minute solid fuels and reactor
GB15675/78A GB1566094A (en) 1977-04-22 1978-04-20 Process and reactor for the partial combustion of finely divided solid fuel
FR7811692A FR2388039A1 (fr) 1977-04-22 1978-04-20 Procede et reacteur pour la combustion partielle d'un combustible solide finement divise
IT22546/78A IT1094553B (it) 1977-04-22 1978-04-20 Processo e reattore per la combustione parziale di combustibile solido finemente suddiviso
BR7802463A BR7802463A (pt) 1977-04-22 1978-04-20 Processo e reator para a combustao parcial de combustivel carbonifero solido finamente dividido
AU35300/78A AU515214B2 (en) 1977-04-22 1978-04-20 Gasification of carbon with reactor having agas shielded outlet duct
ES468970A ES468970A1 (es) 1977-04-22 1978-04-20 Un procedimiento para la combustion parcial de combustible carbonoso solido finamente dividido.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7704399A NL7704399A (nl) 1977-04-22 1977-04-22 Werkwijze en reactor voor de partiele ver- branding van koolpoeder.

Publications (1)

Publication Number Publication Date
NL7704399A true NL7704399A (nl) 1978-10-24

Family

ID=19828417

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7704399A NL7704399A (nl) 1977-04-22 1977-04-22 Werkwijze en reactor voor de partiele ver- branding van koolpoeder.

Country Status (15)

Country Link
US (1) US4172708A (fr)
JP (1) JPS53132004A (fr)
AU (1) AU515214B2 (fr)
BE (1) BE866176A (fr)
BR (1) BR7802463A (fr)
CA (1) CA1093899A (fr)
DE (1) DE2817356C2 (fr)
ES (1) ES468970A1 (fr)
FR (1) FR2388039A1 (fr)
GB (1) GB1566094A (fr)
IT (1) IT1094553B (fr)
MX (1) MX147524A (fr)
NL (1) NL7704399A (fr)
PL (1) PL110558B1 (fr)
ZA (1) ZA782277B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0640679A1 (fr) * 1991-12-23 1995-03-01 Texaco Development Corporation Procédé d'oxydation partielle et brûleur avec paroi frontale poreuse

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Publication number Priority date Publication date Assignee Title
DE2920372C2 (de) * 1979-05-19 1982-10-14 Krupp-Koppers Gmbh, 4300 Essen Gasgenerator für feinkörnige Kohle-Brennstoffe
US4588423A (en) * 1982-06-30 1986-05-13 Donaldson Company, Inc. Electrostatic separator
US4597948A (en) * 1982-12-27 1986-07-01 Sri International Apparatus for obtaining silicon from fluosilicic acid
US4581899A (en) * 1984-07-09 1986-04-15 Texaco Inc. Synthesis gas generation with prevention of deposit formation in exit lines
DE3427088C2 (de) * 1984-07-18 1987-05-07 Korf Engineering GmbH, 4000 Düsseldorf Vorrichtung zum Abkühlen eines heißen Produktgases
DE3446808C2 (de) * 1984-12-21 1987-06-04 L. & C. Steinmüller GmbH, 5270 Gummersbach Verfahren und Vorrichtung zur trockenen Schlackenausschleusung aus unter Druck stehenden Systemen
DE3601786C2 (de) * 1986-01-22 1996-03-07 Krupp Koppers Gmbh Einrichtung zur Abkühlung des aus einem unter erhöhtem Druck betriebenen Vergasungsreaktor austretenden heißen Produktionsgases
US4874397A (en) * 1987-12-29 1989-10-17 Shell Oil Company Coal gasification process
US4963162A (en) * 1987-12-29 1990-10-16 Shell Oil Company Coal gasification process
US4988367A (en) * 1987-12-29 1991-01-29 Shell Oil Company Process for removal of flyash deposits
DE3816340A1 (de) * 1988-05-13 1989-11-23 Krupp Koppers Gmbh Verfahren und vorrichtung zum kuehlen eines heissen produktgases, das klebrige bzw. schmelzfluessige partikel enthaelt
US5122309A (en) * 1990-10-17 1992-06-16 Miles Inc. Porous ceramic water distributor for quenching hot gases and to a method for quenching hot gases
US6019818A (en) * 1996-09-27 2000-02-01 G.F.K. Consulting, Ltd. Combination quenching and scrubbing process and apparatus therefor
US5846275A (en) * 1996-12-31 1998-12-08 Atmi Ecosys Corporation Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system
US5955037A (en) * 1996-12-31 1999-09-21 Atmi Ecosys Corporation Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases
WO1998029178A1 (fr) * 1996-12-31 1998-07-09 Atmi Ecosys Corporation Structures d'entree permettant d'introduire un flux de gaz contenant des matieres solides et/ou produisant des matieres solides particulaires dans un systeme de traitement de gaz
WO1998029181A1 (fr) * 1996-12-31 1998-07-09 Atmi Ecosys Corporation Systeme de traitement d'un flux de gaz d'effluent permettant un traitement d'oxydation des gaz d'effluents provenant de la fabrication de semi-conducteurs
US5833888A (en) * 1996-12-31 1998-11-10 Atmi Ecosys Corporation Weeping weir gas/liquid interface structure
US5935283A (en) * 1996-12-31 1999-08-10 Atmi Ecosys Corporation Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system
WO1999046027A1 (fr) * 1998-03-10 1999-09-16 Advanced Technology Materials, Inc. Orifice d'admission pour ecoulement fluide
US7569193B2 (en) 2003-12-19 2009-08-04 Applied Materials, Inc. Apparatus and method for controlled combustion of gaseous pollutants
US7736599B2 (en) 2004-11-12 2010-06-15 Applied Materials, Inc. Reactor design to reduce particle deposition during process abatement
CN101300411B (zh) 2005-10-31 2012-10-03 应用材料公司 制程减降反应器
DE102010041091B4 (de) * 2010-09-21 2012-04-26 Siemens Aktiengesellschaft Fluid-Direkt-Kühlung der inneren Reaktionsraumwand eines Flugstromvergasers mit Kaltgasraum
DE102010041089B4 (de) * 2010-09-21 2013-06-27 Siemens Aktiengesellschaft Fluid-Direkt-Kühlung der inneren Reaktionsraumwand eines Flugstromvergasers mittels Injektion in poröse Wand
DE102011007806B4 (de) * 2011-04-20 2012-11-15 Siemens Aktiengesellschaft Reaktor zur Vergasung aschefreier und aschearmer Brennstoffe mit einem Kaltgasraum

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CH271588A (de) * 1948-12-07 1950-11-15 Koppers Co Inc Verfahren zur Erzeugung von Kohlenoxyd enthaltenden Gasen aus fein verteilten festen Brennstoffen.
FR1001034A (fr) * 1948-12-07 1952-02-19 Koppers Co Inc Procédé et installation pour la production de gaz combustibles contenant du méthane en partant de combustibles solides finement divisés
US2801158A (en) * 1951-05-09 1957-07-30 Babcock & Wilcox Co Method of and apparatus for gasification of pulverized coal
US2971830A (en) * 1958-06-18 1961-02-14 Sumitomo Chemical Co Method of gasifying pulverized coal in vortex flow
DE1421094A1 (de) * 1958-06-21 1968-10-03 Sumitomo Chemical Co Verfahren zum Vergasen pulverisierter Kohle vermittels eines Wirbelflussverfahrens
US3567399A (en) * 1968-06-03 1971-03-02 Kaiser Aluminium Chem Corp Waste combustion afterburner
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DE2342079C3 (de) * 1973-08-21 1978-04-20 Krupp-Koppers Gmbh, 4300 Essen Vergasungseinrichtung für feinzerteilte, insbesondere feste Brennstoffe
DE2425962C3 (de) * 1974-05-30 1979-04-05 Shell Internationale Research Maatschappij B.V., Den Haag (Niederlande) Gasgenerator für die Vergasung feinzerteilter Brennstoffe
NL178134C (nl) * 1974-06-17 1986-02-03 Shell Int Research Werkwijze en inrichting voor het behandelen van een heet produktgas.
US3930802A (en) * 1974-09-16 1976-01-06 Beasley Albert W Industrial waste gas incinerator
US3963457A (en) * 1974-11-08 1976-06-15 Koppers Company, Inc. Coal gasification process
NL7604513A (nl) * 1976-04-28 1977-11-01 Shell Int Research Werkwijze voor het vergassen van fijn verdeelde asbevattende brandstoffen.
DE2710154C2 (de) * 1977-03-09 1982-09-23 Dr. C. Otto & Comp. Gmbh, 4630 Bochum Unter Druck und hoher Temperatur arbeitender Gaserzeuger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0640679A1 (fr) * 1991-12-23 1995-03-01 Texaco Development Corporation Procédé d'oxydation partielle et brûleur avec paroi frontale poreuse

Also Published As

Publication number Publication date
BE866176A (fr) 1978-10-20
AU3530078A (en) 1979-10-25
JPS615513B2 (fr) 1986-02-19
PL206254A1 (pl) 1979-05-07
DE2817356A1 (de) 1978-10-26
FR2388039B1 (fr) 1980-08-08
ES468970A1 (es) 1978-12-16
IT7822546A0 (it) 1978-04-20
FR2388039A1 (fr) 1978-11-17
CA1093899A (fr) 1981-01-20
AU515214B2 (en) 1981-03-19
IT1094553B (it) 1985-08-02
US4172708A (en) 1979-10-30
PL110558B1 (en) 1980-07-31
GB1566094A (en) 1980-04-30
ZA782277B (en) 1979-04-25
BR7802463A (pt) 1978-12-19
MX147524A (es) 1982-12-13
JPS53132004A (en) 1978-11-17
DE2817356C2 (de) 1983-04-21

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