DE3111168C2 - Verfahren und Vorrichtung zur Herstellung eines im wesentlichen H↓2↓ und CO enthaltenden Gases - Google Patents
Verfahren und Vorrichtung zur Herstellung eines im wesentlichen H↓2↓ und CO enthaltenden GasesInfo
- Publication number
- DE3111168C2 DE3111168C2 DE3111168A DE3111168A DE3111168C2 DE 3111168 C2 DE3111168 C2 DE 3111168C2 DE 3111168 A DE3111168 A DE 3111168A DE 3111168 A DE3111168 A DE 3111168A DE 3111168 C2 DE3111168 C2 DE 3111168C2
- Authority
- DE
- Germany
- Prior art keywords
- bath
- gas
- iron
- reactor
- oxygen
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 160
- 229910052742 iron Inorganic materials 0.000 claims abstract description 80
- 239000007789 gas Substances 0.000 claims abstract description 72
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 34
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 34
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000446 fuel Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 238000002309 gasification Methods 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 4
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 4
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 3
- 239000004449 solid propellant Substances 0.000 claims abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 24
- 239000005864 Sulphur Substances 0.000 claims description 17
- 239000002893 slag Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000003245 coal Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 235000010269 sulphur dioxide Nutrition 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000004291 sulphur dioxide Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- C10J3/57—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
- 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
- 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
- C10J2300/0953—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
- C10J2300/1823—Recycle loops, e.g. gas, solids, heating medium, water for synthesis gas
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3111168A DE3111168C2 (de) | 1981-03-21 | 1981-03-21 | Verfahren und Vorrichtung zur Herstellung eines im wesentlichen H↓2↓ und CO enthaltenden Gases |
AU81677/82A AU551124B2 (en) | 1981-03-21 | 1982-03-18 | Gasification in molten iron bath |
ZA821860A ZA821860B (en) | 1981-03-21 | 1982-03-19 | Process and equipment for producing a gas essentially containing h2o and co |
PL23551482A PL235514A1 (US06168776-20010102-C00028.png) | 1981-03-21 | 1982-03-19 | |
BR8201519A BR8201519A (pt) | 1981-03-21 | 1982-03-19 | Processo e reator para a preparacao de um gas contendo essencialmente h2 e co |
JP57043002A JPS57167390A (en) | 1981-03-21 | 1982-03-19 | Method and apparatus for manufacturing gas essentially containing hydrogen and carbon monoxide |
GB8208340A GB2095282B (en) | 1981-03-21 | 1982-03-22 | A method and device for producing a gas containing essentially h2 and co |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3111168A DE3111168C2 (de) | 1981-03-21 | 1981-03-21 | Verfahren und Vorrichtung zur Herstellung eines im wesentlichen H↓2↓ und CO enthaltenden Gases |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3111168A1 DE3111168A1 (de) | 1982-10-21 |
DE3111168C2 true DE3111168C2 (de) | 1987-01-08 |
Family
ID=6127947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3111168A Expired DE3111168C2 (de) | 1981-03-21 | 1981-03-21 | Verfahren und Vorrichtung zur Herstellung eines im wesentlichen H↓2↓ und CO enthaltenden Gases |
Country Status (7)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19735153C2 (de) * | 1997-08-13 | 2003-10-16 | Linde Kca Dresden Gmbh | Verfahren und Vorrichtung zur Vergasung von Abfallstoffen |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3231531A1 (de) * | 1982-03-05 | 1983-09-15 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und reaktor zur erzeugung von im wesentlichen co und h(pfeil abwaerts)2(pfeil abwaerts) enthaltendem gas |
DE3434004C2 (de) * | 1984-09-15 | 1987-03-26 | Dornier System Gmbh, 7990 Friedrichshafen | Verfahren und Vorrichtung zur Müllvergasung |
JPS63218794A (ja) * | 1987-03-06 | 1988-09-12 | Nippon Steel Corp | 鉄浴式炭材ガス化炉の操業方法 |
CA2037860C (en) * | 1990-03-08 | 2001-07-31 | Paul Katona | Waste processing |
US5645615A (en) * | 1992-08-13 | 1997-07-08 | Ashland Inc. | Molten decomposition apparatus and process |
WO1998023707A1 (en) * | 1996-11-25 | 1998-06-04 | Ashland Inc. | Two-zone molten metal hydrogen-rich and carbon monoxide-rich gas generation process |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU7299674A (en) * | 1973-09-12 | 1976-03-11 | Uss Eng & Consult | Gasification of coal |
JPS5589395A (en) * | 1978-12-26 | 1980-07-05 | Sumitomo Metal Ind Ltd | Gasification of solid carbonaceous material and its device |
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 |
DE3031680A1 (de) * | 1980-08-22 | 1982-03-11 | Klöckner-Werke AG, 4100 Duisburg | Verfahren zur gaserzeugung |
GB2088892B (en) * | 1980-12-01 | 1984-09-05 | Sumitomo Metal Ind | Process for gasification of solid carbonaceous material |
-
1981
- 1981-03-21 DE DE3111168A patent/DE3111168C2/de not_active Expired
-
1982
- 1982-03-18 AU AU81677/82A patent/AU551124B2/en not_active Ceased
- 1982-03-19 BR BR8201519A patent/BR8201519A/pt unknown
- 1982-03-19 JP JP57043002A patent/JPS57167390A/ja active Pending
- 1982-03-19 PL PL23551482A patent/PL235514A1/xx unknown
- 1982-03-19 ZA ZA821860A patent/ZA821860B/xx unknown
- 1982-03-22 GB GB8208340A patent/GB2095282B/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19735153C2 (de) * | 1997-08-13 | 2003-10-16 | Linde Kca Dresden Gmbh | Verfahren und Vorrichtung zur Vergasung von Abfallstoffen |
Also Published As
Publication number | Publication date |
---|---|
PL235514A1 (US06168776-20010102-C00028.png) | 1982-10-25 |
DE3111168A1 (de) | 1982-10-21 |
AU551124B2 (en) | 1986-04-17 |
GB2095282A (en) | 1982-09-29 |
JPS57167390A (en) | 1982-10-15 |
GB2095282B (en) | 1984-12-19 |
AU8167782A (en) | 1982-09-30 |
BR8201519A (pt) | 1983-02-08 |
ZA821860B (en) | 1983-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2952434C2 (de) | Verfahren und Vorrichtung zum Vergasen von festem, feinverteiltem, kohlenstoffhaltigem Brennstoff in einem Schmelzbad, sowie Aufblaselanze hierfür | |
DE69906125T2 (de) | Integrierte vorrichtung zum einspritzen von technologischen gasen und feststoffen sowie verfahren zur anwendung dieser vorrichtung zum behandeln metallischer schmelzen | |
DE3532413C2 (US06168776-20010102-C00028.png) | ||
DE3131293C2 (de) | Verfahren zur Vergasung von festem, teilchenförmigem, kohlenstoffhaltigem Brennstoff | |
DE2428465A1 (de) | Verfahren zum herstellen von rostfreiem stahl | |
DE2316768A1 (de) | Verfahren zum frischen von metallen, insbesondere roheisen und vorrichtung zur durchfuehrung des verfahrens | |
DE3111168C2 (de) | Verfahren und Vorrichtung zur Herstellung eines im wesentlichen H↓2↓ und CO enthaltenden Gases | |
AT407403B (de) | Pyrometallurgisches system | |
DE3019899C2 (de) | Verfahren zur Herstellung von Kohlenstoffstahl und niedriglegiertem Stahl in einem basischen Sauerstoffofen und Vorrichtung zur Durchführung des Verfahrens | |
DE3441359A1 (de) | Verfahren zur erzeugung eines heissgases aus einem kohlenstoffhaltigen ausgangsmaterial | |
DE2306398C2 (de) | Verfahren zur Behandlung von schmelzflüssigen Nichteisenmetallen, insbesondere Kupfer, durch Aufblasen von Reaktionsgasen | |
DE1907543B2 (de) | Verfahren und vorrichtung zum kontinuierlichen raffinieren von metallen | |
DE3444962A1 (de) | Verfahren und vorrichtung zur reduzierenden behandlung von schmelzfluessigen metallen und/oder deren schlacken | |
DE2243779C2 (de) | Verfahren zum Sauerstoff-Wasserstoff-Frischen bei der Herstellung rostfreier Stähle mit hohem Chromgehalt oder Kobalt- oder Nickellegierungen | |
DE69313113T2 (de) | Verfahren und vorrichtung zur behandlung von organischen abfallstoffen | |
DE2520883A1 (de) | Verfahren und vorrichtung zur kontinuierlichen vergasung von kohle in einem eisenbadreaktor | |
DE3106908C2 (de) | Verfahren zum Kühlen von konzentrischen Blasformen | |
EP0252308A1 (de) | Verfahren zum Behandeln von Metallschmelzen und Vorrichtung zum Durchführen des Verfahrens | |
DE3650328T2 (de) | Verfahren und Vorrichtung zum Aufheizen von geschmolzenem Metall. | |
DE2950865C2 (de) | Vorrichtung zur kontinuierlichen Herstellung eines im wesentlichen CO und H↓2↓ enthaltenden Gases | |
DE3426736A1 (de) | Verfahren zur spuelgasbehandlung von metallschmelzen | |
DE2834173C2 (de) | Verfahren und Vorrichtung zur kontinuierlichen Behandlung von schmelzflüssigen schwefelhaltigen Schlacken | |
DE3105999C2 (de) | Bodendüse für einen Sauerstoff-Aufblas-Konverter | |
WO2014131722A1 (de) | Konverterprozesse zur stahlherstellung unter nutzung von inertgas | |
DE2620462A1 (de) | Verfahren zum vergasen von festen, fluessigen oder gasfoermigen kohlenstofftraegern, insbesondere zur herstellung eines reduktionsgases fuer metallurgische prozesse und vorrichtung zur durchfuehrung des verfahrens |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |