US3838849A - Furnace for metallurgical processing - Google Patents

Furnace for metallurgical processing Download PDF

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Publication number
US3838849A
US3838849A US00371973A US37197373A US3838849A US 3838849 A US3838849 A US 3838849A US 00371973 A US00371973 A US 00371973A US 37197373 A US37197373 A US 37197373A US 3838849 A US3838849 A US 3838849A
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US
United States
Prior art keywords
vessel
ring
annular
furnace
bearing surface
Prior art date
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.)
Expired - Lifetime
Application number
US00371973A
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English (en)
Inventor
A Alexander
L Dierckx
Raevels A Van
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.)
La Metallo Chimique Sa be
METALLO CHIMIQUE SA
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METALLO CHIMIQUE SA
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 METALLO CHIMIQUE SA filed Critical METALLO CHIMIQUE SA
Priority to US00371973A priority Critical patent/US3838849A/en
Priority to AU69590/74A priority patent/AU478155B2/en
Priority to DE2428819A priority patent/DE2428819C3/de
Priority to CA202,800A priority patent/CA1025211A/en
Priority to JP7008174A priority patent/JPS5526396B2/ja
Priority to FR7421970A priority patent/FR2234373B3/fr
Priority to SE7408070A priority patent/SE395477B/xx
Priority to GB2743174A priority patent/GB1469143A/en
Priority to ES427513A priority patent/ES427513A1/es
Application granted granted Critical
Publication of US3838849A publication Critical patent/US3838849A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/50—Tilting mechanisms for converters

Definitions

  • a furnace for metallurgical processing comprises a [21 Appl. No.: 371,973 ring mounted for tilting on a horizontal axis extending diametrically of the ring, and a vessel for holding a charge to be processed mounted in the ring for rotation relative thereto on an axis generally perpendicw Hr to the plane of the ring
  • the ring and Vessel are [58] new of Search 266/35 36 36 75/76 journaled to accommodate axial thrust forces and ra- 56 R f Ct d dially directed thrust forces therebetween, and mo- L 1 e erences 1e ments of such forces.
  • Connecting pins are provided UNITED STATES PATENTS for supporting and driving engagement between the 3,163,696 12/1964 Johansson et al. 266/36 P ring and vessel, the pins also functioning to accommo- 3,169,755 2/1965 Eklund et al. 266/36 P X date thermal expansion of said vessel, 3,201,108 8/1965 Kramer 266/36 P 3,682,623 8/1972 Dierckx 6161. 75/76 23 Clalms, 7 Drawmg Figures 9 h??? l 37 /55 Z51;
  • This invention relates to metallurgical furnaces, and more particularly to a rotary furnace of this class.
  • the invention is particularly concerned with a rotary furnace of the type shown in the coassigned US. Pat. No. 3,682,623 of Ludovicus Maria Dierckx, Denis Lucian Feron and Karel Guns, for carrying out metallurgical processes, especially for recovery of copper from copper-bearing materials, though not limited to copper recovery.
  • the furnace shown in said US. Pat. No. 3,682,623 is of a type having a vessel for containing a charge to be processed rotatable in a ring, the ring being swingable on a horizontal axis to tilt the vessel.
  • a furnace of this type which has been used in commercial production is one in which the vessel has been driven via a friction drive including a friction drive roller engaging in a peripheral groove in a ring surrounding and secured to the vessel.
  • This furnace cannot be operated, as a practical matter, with the vessel at an angle of greater than about 20 to the horizontal.
  • a rotary furnace of the class described adapted for rotation of the vessel with the axis of the vessel at any angle to the horizontal, and particularly at much greater angles to the horizontal than possible with prior furnaces (e.g., close to vertical), for re ducing the driving torque required to rotate the vessel without loss of agitation of the charge in the vessel, for reducing pollution, and for holding a larger charge in the vessel;
  • the provision of such a furnace which does not have any movable parts on the outside of the vessel prone to be clogged by materials spilling over when the vessel is being charged, and which is adapted for maintenance (c.g., changing bearings) in an upright or tilted position, thereby avoiding undue down time for maintenance operations since they may be carried out without inverting the vessel; the provision of such a furnace wherein vibration of the vessel is reduced to the extent that the refractory lining of the vessel has a substan- 2 tially longer life
  • a furnace of this invention comprises a ring, means supporting the ring for the tilting thereof on a generally horizontal axis extending diametrically of said ring, a vessel for holding a charge to be processed, means mounting the vessel in said ring for rotation on an axis generally normal to the plane of said ring and extending generally centrally of said ring. and means for rotatably driving said vessel relative to said ring.
  • the mounting means comprises a first annular bearing means secured to said ring, a second annular bearing means secured to said vessel surrounding the latter, a set of radial thrust bearings interposed between said first and second annular bearing means, and at least one set of axial thrust bearings interposed between said first and second annular bearing means for bearing the load of said vessel.
  • FIG. 1 is a front elevation of a furnace embodying the present invention, with parts broken away and shown in section, showing the vessel of the furnace in a generally vertical position;
  • FIG. 2 is a left side elevation of the furnace, showing the vessel in a tilted position
  • FIG. 3 is a plan of FIG. 1;
  • FIG. 4 is an enlarged fragment of FIG. 1;
  • FIG. 5 is a section on a larger scale than FIG. 4, showing a detail
  • FIG. 6 is a diagrammatic view showing an alternative type of drive for the vessel; and I FIG. 7 is a view showing a modification.
  • the vessel 3 comprises a steel shell 13 having a refractory lining 15 therein, the latter usually comprising a so-called working lining on the inside of an outer insulation lining.
  • a cooling shell 17 is provided for the lower part of the vessel, spaced outward of the lower end of the cylindrical sidewall 5 and bottom 7 of the vessel.
  • the space between the ves sel and the shell 17, indicated generally at 19, is provided for flow of air down around the vessel, the shield having a bottom opening 20 for exit of air.
  • a nut 21 is provided at the center of the bottom 7 of the vessel for securement of an eyebolt (not shown) used to suspend the vessel in inverted position.
  • the vessel may have a suitable bottom tap hole (not shown).
  • the vessel 3 is rotatable about its cylindrical axis within a ring 23 mounted for swinging movement about a horizontal axis extending substantially diametrically of the ring so that the vessel may be pivoted between an upright position and a tilted position, as discussed hereinafter.
  • the ring 23 is provided with diametrically oppositely extending trunnions 25, 27, with the trunnion 25 journaled in a bearing 29 on a pedestal 31 on a footing 33 and the other trunnion keyed in the hub 35 of a rela tively large wheel gear 37.
  • the wheel gear 37 is mounted for rotation on a horizontal axis and cradled in two cradling rollers 39, 41 while meshing with a drive gear 43, said rollers and drive gear each being journaled in bearing assemblies 45, 47 and 49 provided on a support 51 on a footing 53.
  • the drive gear 43 is adapted to be driven by any suitable drive means, such as an electric (or hydraulic) motorspeed reducer drive (not shown), and the driving gear 43 drivingly rotates the wheel gear 37 to swing the ring 23 about the horizontal axis of said gear wheel and the trunnions 25, 27.
  • suitable drive means such as an electric (or hydraulic) motorspeed reducer drive (not shown)
  • a housing 55 secured to the wheel gear 37 for concerted movement therewith carries a power drive unit 57, e.g., a hydraulie (or electric) motor, for driving the vessel 3 in any attitude thereof.
  • the output shaft of unit 57 carries a gear 59 in mesh with a pinion 61 for driving the vessel.
  • an electric brake of a well-known conventional type for holding the shaft 65 of the pinion 61 against rotation to hold the vessel against rotation.
  • annular members 79, 81 and 83 are assembled in face-to-face abutting engagement with each other by suitable means, such as a plurality of machine screws 85.
  • the cooling shell 17 is secured to the lower annular member 79 of this assembly by means such as indicated at 87, and rotates with member 79 (and with the vessel).
  • the upper and intermediate annular members 81, 83 surround the annular ring member 67.
  • the upper annular member 81 is provided with an annular flange 89 extending radially inwardly between the bottom of the ring 23 and the upper bearing surface of flange 71 on ring member 67.
  • flange 89 closely surrounds the upper portion of ring member 67 above flange 71 and flange 89 has a downwardly facing annular bearing surface 91 in axially spaced relation with the opposing upper annular bearing surface 75 of flange 71.
  • An inwardly facing annular cylindrical bearing surface 93 is provided on the upper annular member 81 and spaced radially outwardly from the opposing peripheral bearing surface 73 offlange 71.
  • An upwardly facing annular bearing surface 95 is provided on the intermediate annular member 83 in opposed axially spaced relation to the lower bearing surface 77 of flange 71.
  • Upper and lower sets of axial thrust bearings 97, 99 are journaled between the upper and lower bearing surfaces 75, 77 on the ring flange and the upper and lower bearing surfaces 91, 95 on the upper and intermediate annular members 81, 83, respectively, and a set of radial thrust bearings 101 is provided in journaling engagement between the opposed thrust bearing surfaces 73, 93 on the ring member flange 71 and the upper annular member 81, respectively.
  • the upper annular member 81 is formed as a ring gear 103 at its outer periphery, and connected in driven engagement through the idler gear 61 with the driving gear 59 (see FIG. 4).
  • Pins 117 secured in the bores 111 of the bosses as by set screws 118, extend radially inwardly from the bosses into the bores 111 in sockets 113, having a sliding fit in the latter, and thus functioning to support the vessel and provide driving connections between member 79 and the vessel while permitting thermal expansion and contraction of the shell 13 of vessel 3 within member 79.
  • An annular air duct 161 surrounds the vessel 3 on top of the ring 23.
  • a blower carried by the gear wheel 37 for supplying air to this duct.
  • a frusto-conical cooling shell 165 surrounds the frustoconical upper end 9 of the vessel 3 above the ring 23, this shell being spaced from the upper end 9 of the vessel, with the space 167 between the upper end of the vessel and shell 165 in communication with the duct 161 as indicated at 169 for flow of air upwardly in the space 167 to cool the upper end of the vessel, the air exiting at 171.
  • the duct is secured to the ring 23 and the shell 165 is secured to the duct so that neither the duct nor the shell rotates with the vessel 3.
  • the furnace 1 is provided with a lubricating system for the sets of bearings 97, 99, 101.
  • a lubricating passage 119 is provided in the ring member 67 having one end communicating with the upper set of axial thrust bearings 97 and a fitting 121 is received in the ring member 67 in communication with the other end of the passage 119.
  • Another passage 123 in the ring member 67 communicates between the passage 119 and the set of lower axial thrust bearings 99, and a lubricant supply tube 125 has one end connected with the fitting 121, its other end being connected to a suitable lubricant source (not shown).
  • power unit 57 drives gear 59 and thence pinion 61 to drive ring gear 103 to effect rotation of the vessel 3 within the tilt ring 23.
  • the axially downward load or force of the vessel 3 is transmitted via sockets 113, pins 117 and the assembly of annular members 79, 81 and 83 to the upper set of axial thrust bearings 97 in journaling engagement between the bearing surface 91 of the upper annular member 81 and the upper bearing surface 75 provided on the ring flange 71.
  • the axially downward force is transmitted through the annular ring member 67 and the machine screws 69 to the main ring 23, and, in this manner, the vessel 3 is not only vertically supported in the ring 23 but also freely rotatable therein.
  • gear 43 When it is desired to tilt the vessel 3 about its horizontal axis, gear 43 is rotated to tilt the ring 23 on the horizontal axis of its trunnions 25 and 27. Any radially directed force or load from the vessel 3 during the rotation and/or tilting thereof is transmitted via the sockets 113, pins 117 and annular members 79, 81 and 83 to the set of radial thrust bearings 101 and thence through the annular ring member 67 to the tilt ring 23.
  • a gear 143 on shaft 139 meshes with a gear 145 on a shaft 147 in a gear box 149 carried by the wheel, shaft 147 having a gear 151 thereon in mesh with the ring gear 103.
  • the drive shaft 127 is driven in any suitable manner, and functions to drive the ring gear 103 and vessel 3 at any angle of the latter.
  • FIG. 7 illustrates a modification of the pin arrangement for supporting the vessel 3 in the ring 23, which may be preferred to that previously described.
  • sockets 191 are welded as indicated at 193 in openings 195 in the shell 13 of vessel 3 in line with the bosses 105 on the annular member 79.
  • a tubular pin 197 is secured to each socket extending radially outwardly from the vessel 3 through a pair of spaced bushings 199 in the bore 109 of the respective boss 105.
  • the pin has a tapered inner end 201 received in a tapered recess 203 of the socket, and is secured to the socket by means of a bolt 205 extending through the bore 207 of the pin threaded in a tapped hole 209 in the socket, and nuts 211 and 213 threaded on the outer end of the bolt.
  • the pin is slidable in the bushings which may be formed of suitable bronze.
  • the pin is provided with lubricant channels as indicated at 215, lubricant being supplied to the space 217 in the bore 109 between the bushings as indicated at 219 for supplying the channels. This arrangement enables lubrication despite the heat from the vessel 3.
  • said first annular bearing means comprises an annular member secured to the bottom end portion of said ring and having an annular flange extending radially thereof, the edge of said flange constituting a peripheral bearing surface and a face of said flange constituting an annular bearing surface, said radial thrust bearings being interposed between said second annular bearing means and said peripheral bearing surface of said flange, and said axial thrust bearings being interposed between said second annular bearing means and said annular bearing surface.
  • one of said second, third and fourth members including a ring gear constituting an element of said driving means.
  • a furnace as set forth in claim 2 comprising first and second pairs of opposed annular bearing surfaces defined on said first and second bearing means in axially spaced relation, a third pair of opposed bearing surfaces defined on said first and second bearing means between said first and second bearing surface pairs and radially spaced therefrom, respectively, said firstmentioned and second sets of axial thrust bearings being respectively interposed between said first and second bearing surface pairs and said set of radial thrust bearings being interposed between said third bearing surface pair.
  • a furnace as set forth in claim 1 comprising means connecting said second bearing means in supporting and driving relation with said vessel including means for accommodating thermal expansion of said vessel.
  • a furnace as set forth in claim 10, comprising a plurality of outboard bores in said second bearing means substantially radially of said generally normal axis, means secured to said vessel and defining a plurality of inboard bores spaced from and aligned with said outboard bores, and a plurality of connecting pins received in said bores, said connecting pins effecting concerted rotation of said vessel with said second bearing means and accommodating thermal expansion of said vessel.
  • said mounting means comprises pins extending radially from one of said ring gear and said vessel and sockets on the other of said ring gear and said vessel in which said pins are slidably received.
  • a furnace as set forth in claim 22 having lubricating means for said bores.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
US00371973A 1973-06-21 1973-06-21 Furnace for metallurgical processing Expired - Lifetime US3838849A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US00371973A US3838849A (en) 1973-06-21 1973-06-21 Furnace for metallurgical processing
AU69590/74A AU478155B2 (en) 1973-06-21 1974-05-30 Furnace for metallurgical processing
DE2428819A DE2428819C3 (de) 1973-06-21 1974-06-14 Konverter
JP7008174A JPS5526396B2 (en)) 1973-06-21 1974-06-19
CA202,800A CA1025211A (en) 1973-06-21 1974-06-19 Furnace for metallurgical processing
FR7421970A FR2234373B3 (en)) 1973-06-21 1974-06-19
SE7408070A SE395477B (sv) 1973-06-21 1974-06-19 Upphengning for tippbar och roterbar ugn
GB2743174A GB1469143A (en) 1973-06-21 1974-06-20 Furnace for metallurgical processing
ES427513A ES427513A1 (es) 1973-06-21 1974-06-21 Perfeccionamientos en los hornos para tratamientos metalur-gicos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00371973A US3838849A (en) 1973-06-21 1973-06-21 Furnace for metallurgical processing

Publications (1)

Publication Number Publication Date
US3838849A true US3838849A (en) 1974-10-01

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US00371973A Expired - Lifetime US3838849A (en) 1973-06-21 1973-06-21 Furnace for metallurgical processing

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US (1) US3838849A (en))
JP (1) JPS5526396B2 (en))
CA (1) CA1025211A (en))
DE (1) DE2428819C3 (en))
ES (1) ES427513A1 (en))
FR (1) FR2234373B3 (en))
GB (1) GB1469143A (en))
SE (1) SE395477B (en))

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910654A (en) * 1973-06-20 1975-10-07 Voest Ag Bearing construction for tiltable converters
FR2520382A1 (fr) * 1982-01-27 1983-07-29 Normandie Ste Metallurg Dispositif de protection thermique de la ceinture d'un convertisseur d'acierie
US5143683A (en) * 1991-06-18 1992-09-01 Bethlehem Steel Corporation Protective shield having heat conductive properties
RU2148655C1 (ru) * 1998-08-26 2000-05-10 Общество с ограниченной ответственностью "Товарищество Южно-Уральских Машиностроительных Заводов" Конвертер с двумя осями вращения
CN101781696A (zh) * 2010-03-30 2010-07-21 中冶南方工程技术有限公司 球铰悬盘型转炉托圈与炉壳的连接装置
WO2011077009A1 (en) * 2009-12-22 2011-06-30 Outotec Oyj Metallurgical furnace
EP2423674B1 (de) * 2010-08-25 2013-09-11 SMS Siemag AG Verfahren zur spektroskopischen Temperatur- und Analysebestimmung von flüssigen Metallbädern in metallurgischen Gefäßen, insbesondere Konvertern
US20180201850A1 (en) * 2016-09-27 2018-07-19 Cleancarbonconversion Patents Ag Process reacting organic materials to give hydrogen gas

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298378A (en) * 1978-12-22 1981-11-03 Kawasaki Jukogyo Kabushiki Kaisha Rotary steel converter, method of making steel there-with and method of applying refractory lining to converter
JPS6281796U (en)) * 1986-10-14 1987-05-25
AT398486B (de) * 1992-12-09 1994-12-27 Voest Alpine Ind Anlagen Stahlwerks-elektroofen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB888813A (en) * 1958-06-26 1962-02-07 Pintsch Bamag Ag Improvements in or relating to rotary metallurgical converters
US3163696A (en) * 1961-05-09 1964-12-29 Stora Kopparbergs Bergslags Ab Arrangement for tiltable furnaces
US3169755A (en) * 1961-10-03 1965-02-16 Asea Ab Rotatable furnace
GB987282A (en) * 1961-12-14 1965-03-24 Beteilungs Und Patentverwaltun Obliquely mounted rotatable converter which can be tipped about a transverse axis
US3201108A (en) * 1962-07-21 1965-08-17 Pintsch Bamag Ag Steel converter with loose supporting ring
US3682623A (en) * 1970-10-14 1972-08-08 Metallo Chimique Sa Copper refining process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137458B (de) * 1957-05-22 1962-10-04 Demag Ag Mit Sauerstofflanze und drehbarem Gefaess arbeitende Konverteranlage zur Erzeugung von Stahl aus Roheisen
DE1179052B (de) * 1960-10-31 1964-10-01 Rothe Erde Eisenwerk Nachstellbares Drahtwaelzlager
DE1283859B (de) * 1961-06-29 1968-11-28 Demag Ag Metallurgischer Drehofen
DE1533887A1 (de) * 1967-01-12 1970-02-05 Krupp Gmbh Gefaesslagerung
DE1301354B (de) * 1967-05-27 1969-08-21 Becker Verfahren und Vorrichtung zum Behandeln von Metallschmelzen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB888813A (en) * 1958-06-26 1962-02-07 Pintsch Bamag Ag Improvements in or relating to rotary metallurgical converters
US3163696A (en) * 1961-05-09 1964-12-29 Stora Kopparbergs Bergslags Ab Arrangement for tiltable furnaces
US3169755A (en) * 1961-10-03 1965-02-16 Asea Ab Rotatable furnace
GB987282A (en) * 1961-12-14 1965-03-24 Beteilungs Und Patentverwaltun Obliquely mounted rotatable converter which can be tipped about a transverse axis
US3201108A (en) * 1962-07-21 1965-08-17 Pintsch Bamag Ag Steel converter with loose supporting ring
US3682623A (en) * 1970-10-14 1972-08-08 Metallo Chimique Sa Copper refining process

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910654A (en) * 1973-06-20 1975-10-07 Voest Ag Bearing construction for tiltable converters
FR2520382A1 (fr) * 1982-01-27 1983-07-29 Normandie Ste Metallurg Dispositif de protection thermique de la ceinture d'un convertisseur d'acierie
US5143683A (en) * 1991-06-18 1992-09-01 Bethlehem Steel Corporation Protective shield having heat conductive properties
RU2148655C1 (ru) * 1998-08-26 2000-05-10 Общество с ограниченной ответственностью "Товарищество Южно-Уральских Машиностроительных Заводов" Конвертер с двумя осями вращения
AU2010334698B2 (en) * 2009-12-22 2016-02-25 Metso Metals Oy Metallurgical furnace
WO2011077009A1 (en) * 2009-12-22 2011-06-30 Outotec Oyj Metallurgical furnace
KR101746889B1 (ko) 2009-12-22 2017-06-14 오토텍 오와이제이 야금로
CN102667385A (zh) * 2009-12-22 2012-09-12 奥图泰有限公司 冶金炉
EP2526359A4 (en) * 2009-12-22 2017-01-04 Outotec Oyj Metallurgical furnace
EA019863B1 (ru) * 2009-12-22 2014-06-30 Ототек Оюй Металлургическая печь
CN102667385B (zh) * 2009-12-22 2014-08-06 奥图泰有限公司 冶金炉
US8926894B2 (en) 2009-12-22 2015-01-06 Outotec Oyj Metallurgical furnace
CN101781696A (zh) * 2010-03-30 2010-07-21 中冶南方工程技术有限公司 球铰悬盘型转炉托圈与炉壳的连接装置
CN101781696B (zh) * 2010-03-30 2011-09-28 中冶南方工程技术有限公司 球铰悬盘型转炉托圈与炉壳的连接装置
EP2423674B1 (de) * 2010-08-25 2013-09-11 SMS Siemag AG Verfahren zur spektroskopischen Temperatur- und Analysebestimmung von flüssigen Metallbädern in metallurgischen Gefäßen, insbesondere Konvertern
US20180201850A1 (en) * 2016-09-27 2018-07-19 Cleancarbonconversion Patents Ag Process reacting organic materials to give hydrogen gas
US10836969B2 (en) * 2016-09-27 2020-11-17 Cleancarbonconversion Patents Ag Process reacting organic materials to give hydrogen gas

Also Published As

Publication number Publication date
FR2234373A1 (en)) 1975-01-17
SE7408070L (en)) 1974-12-23
SE395477B (sv) 1977-08-15
DE2428819A1 (de) 1975-01-16
JPS5093806A (en)) 1975-07-26
DE2428819C3 (de) 1985-10-03
CA1025211A (en) 1978-01-31
JPS5526396B2 (en)) 1980-07-12
AU6959074A (en) 1975-12-04
GB1469143A (en) 1977-03-30
DE2428819B2 (de) 1980-11-06
ES427513A1 (es) 1976-07-16
FR2234373B3 (en)) 1977-05-06

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