SE437656C - Foerfarande foer syntes av ammoniak samt reaktor foer genomfoerandet av foerfarandet - Google Patents
Foerfarande foer syntes av ammoniak samt reaktor foer genomfoerandet av foerfarandetInfo
- Publication number
- SE437656C SE437656C SE7702667A SE7702667A SE437656C SE 437656 C SE437656 C SE 437656C SE 7702667 A SE7702667 A SE 7702667A SE 7702667 A SE7702667 A SE 7702667A SE 437656 C SE437656 C SE 437656C
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- ammonia
- implementation
- synthesis
- reactor
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 2
- 238000000034 method Methods 0.000 title 2
- 229910021529 ammonia Inorganic materials 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0417—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the synthesis reactor, e.g. arrangement of catalyst beds and heat exchangers in the reactor
- C01C1/0423—Cold wall reactors
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0005—Catalytic processes under superatmospheric pressure
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
- B01J8/0403—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal
- B01J8/0407—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds
- B01J8/0415—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds the beds being superimposed one above the other
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
- B01J8/0496—Heating or cooling the reactor
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00194—Tubes
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Industrial Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9452/76A GB1574723A (en) | 1976-03-10 | 1976-03-10 | Apparatus for the synthesis of ammonia |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE7702667L SE7702667L (sv) | 1977-09-11 |
| SE437656B SE437656B (sv) | 1985-03-11 |
| SE437656C true SE437656C (sv) | 1992-02-24 |
Family
ID=9872228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7702667A SE437656C (sv) | 1976-03-10 | 1977-03-09 | Foerfarande foer syntes av ammoniak samt reaktor foer genomfoerandet av foerfarandet |
Country Status (31)
| Country | Link |
|---|---|
| US (1) | US4181701A (hu) |
| JP (1) | JPS52109499A (hu) |
| AR (1) | AR216910A1 (hu) |
| AU (1) | AU516412B2 (hu) |
| BE (1) | BE852282A (hu) |
| BG (1) | BG50038A3 (hu) |
| BR (1) | BR7701426A (hu) |
| CA (1) | CA1112847A (hu) |
| CS (1) | CS223862B2 (hu) |
| DD (1) | DD128657A5 (hu) |
| DE (1) | DE2710247C2 (hu) |
| DK (1) | DK156823C (hu) |
| ES (2) | ES456681A1 (hu) |
| FI (1) | FI71540C (hu) |
| FR (1) | FR2343699B1 (hu) |
| GB (1) | GB1574723A (hu) |
| GR (1) | GR62461B (hu) |
| HU (1) | HU178560B (hu) |
| IE (1) | IE44718B1 (hu) |
| IN (1) | IN145260B (hu) |
| MX (2) | MX171820B (hu) |
| NL (1) | NL174134C (hu) |
| NO (1) | NO153049C (hu) |
| PL (1) | PL111651B1 (hu) |
| PT (1) | PT66287B (hu) |
| RO (1) | RO72141A (hu) |
| SE (1) | SE437656C (hu) |
| SU (1) | SU1037831A3 (hu) |
| TR (1) | TR19821A (hu) |
| UA (1) | UA8348A1 (hu) |
| YU (1) | YU61477A (hu) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4346060A (en) * | 1978-07-17 | 1982-08-24 | Pullman Incorporated | Radial ammonia converters |
| IT1141102B (it) * | 1980-11-28 | 1986-10-01 | Ammonia Casale Sa | Reattore assiale-radiale per sintesi eterogenee |
| CH646618A5 (it) * | 1981-03-26 | 1984-12-14 | Ammonia Casale Sa | Reattore per sintesi eterogenee catalitiche. |
| US4452760A (en) * | 1982-01-18 | 1984-06-05 | The M. W. Kellogg Company | Horizontal ammonia converter |
| US4789527A (en) * | 1983-03-07 | 1988-12-06 | Exxon Research & Engineering Co. | Catalytic gas synthesis apparatus |
| US4518574A (en) * | 1983-03-07 | 1985-05-21 | Exxon Research & Engineering Co. | Catalytic gas synthesis process |
| US4637918A (en) * | 1983-03-07 | 1987-01-20 | Exxon Research & Engineering Co. | Catalytic gas synthesis apparatus |
| DE3343114C2 (de) * | 1983-11-29 | 1985-11-07 | Uhde Gmbh, 4600 Dortmund | Vorrichtung zur Durchführung exothermer, katalytischer Gasreaktionen für die Ammoniak- oder Methanol-Synthese |
| DE3413421A1 (de) * | 1984-04-10 | 1985-10-24 | Uhde Gmbh, 4600 Dortmund | Vorrichtung zur erzielung einer gleichmaessigen gasverteilung in radial durchstroemter katalysatorschicht |
| JPS619323A (ja) * | 1984-06-25 | 1986-01-16 | Nippon Denso Co Ltd | 車両用換気装置 |
| TR23236A (tr) * | 1984-08-23 | 1989-07-21 | Exxon Research Engineering Co | Gelistirilmis katalitik gaz sentezi yoentemi ve cihazi |
| US4568532A (en) * | 1984-10-16 | 1986-02-04 | The M. W. Kellogg Company | Supplemental ammonia synthesis |
| IN165276B (hu) * | 1984-10-16 | 1989-09-09 | Kellogg M W Co | |
| JPS61179014U (hu) * | 1985-04-30 | 1986-11-08 | ||
| IN165082B (hu) * | 1985-05-15 | 1989-08-12 | Ammonia Casale Sa | |
| IN170330B (hu) * | 1986-10-22 | 1992-03-14 | Ammonia Casale Sa | |
| US4744966A (en) * | 1986-11-20 | 1988-05-17 | Santa Fe Braun Inc. | Process for synthesizing ammonia |
| US4867959A (en) * | 1986-11-20 | 1989-09-19 | Santa Fe Braun, Inc. | Process for synthesizing ammonia |
| DE3643726A1 (de) * | 1986-12-20 | 1988-06-30 | Uhde Gmbh | Vorrichtung als nh(pfeil abwaerts)3(pfeil abwaerts)-reaktor |
| DE3643858A1 (de) * | 1986-12-22 | 1988-06-30 | Uhde Gmbh | Verfahren und vorrichtung zur temperaturregelung von katalysatorbetten in ammoniaksyntheseanlagen |
| DE3643856A1 (de) * | 1986-12-22 | 1988-06-30 | Uhde Gmbh | Vorrichtung zum regeln insbesondere eines ammoniakkonverters |
| DE8717724U1 (de) * | 1987-03-18 | 1989-10-05 | Uhde Gmbh, 4600 Dortmund | Zweistufiger Ammoniakkonverter mit wenigstens einem Katalysatorbett mit in dessen Inneren angeordneten Wärmetauscher |
| DE3710004A1 (de) * | 1987-03-26 | 1988-10-06 | Uhde Gmbh | Vorrichtung zur katalytischen behandlung von stickstoff und wasserstoff |
| DE3869677D1 (de) * | 1987-07-03 | 1992-05-07 | Ammonia Casale Sa | Heterogen-syntheseverfahren und verwandte reaktoren. |
| EP0374564B1 (en) * | 1988-12-21 | 1993-04-14 | Ammonia Casale S.A. | Improvements to reactors for heterogeneous synthesis |
| US5916529A (en) * | 1989-07-19 | 1999-06-29 | Chevron U.S.A. Inc | Multistage moving-bed hydroprocessing reactor with separate catalyst addition and withdrawal systems for each stage, and method for hydroprocessing a hydrocarbon feed stream |
| EP0807602A1 (en) * | 1996-05-13 | 1997-11-19 | Haldor Topsoe A/S | Process for the preparation of ammonia |
| DK173023B1 (da) * | 1997-04-21 | 1999-11-15 | Topsoe Haldor As | Fremgangsmåde og reaktor til fremstilling af ammoniak |
| DK173917B1 (da) * | 1998-07-02 | 2002-02-18 | Topsoe Haldor As | Fremgangsmåde til fremstilling af ammoniak |
| EP1123899B1 (en) | 2000-02-10 | 2004-10-13 | Haldor Topsoe A/S | Process and reactor for the preparation of ammonia |
| DE10055818A1 (de) * | 2000-11-10 | 2002-05-23 | Ammonia Casale Sa | Verfahren zum Herstellen von Ammoniak aus einem Stickstoff-Wasserstoff-Gemisch aus Erdgas |
| TW590792B (en) * | 2002-03-26 | 2004-06-11 | Showa Denko Kk | Reaction device with a heat-exchanger |
| JP4480949B2 (ja) * | 2002-03-26 | 2010-06-16 | 昭和電工株式会社 | 反応装置及び反応方法 |
| US7081230B2 (en) * | 2002-11-15 | 2006-07-25 | Kellogg Brown & Root Llc | Split-flow, vertical ammonia converter |
| DE102008037215A1 (de) | 2008-08-11 | 2010-02-18 | Uhde Gmbh | Reaktor zur Durchführung katalytischer Reaktionen in der Gasphase |
| WO2010017946A1 (de) * | 2008-08-11 | 2010-02-18 | Uhde Gmbh | Vertikaler zylindrischer reaktor mit dünnem katalysatorbett |
| DE102008037216A1 (de) | 2008-08-11 | 2010-02-18 | Uhde Gmbh | Vertikaler zylindrischer Reaktor mit dünnem Katalysatorbett |
| EP2354092A1 (en) | 2010-01-29 | 2011-08-10 | Ammonia Casale S.A. | A method for modernizing the synthesis loop of an ammonia plant |
| EP2374757A1 (en) * | 2010-04-09 | 2011-10-12 | Ammonia Casale S.A. | Method for modifying a hot wall ammonia reactor with vessel having a partial opening |
| GB201308428D0 (en) * | 2013-05-10 | 2013-06-19 | Johnson Matthey Plc | Reactor |
| CN103846061A (zh) * | 2013-10-22 | 2014-06-11 | 洛阳智达石化工程有限公司 | 一种新型多床层径向固定床反应器 |
| KR101705676B1 (ko) | 2014-04-03 | 2017-02-10 | (주)그린사이언스 | 가스 합성 장치 및 방법 |
| CN108261989A (zh) * | 2018-02-11 | 2018-07-10 | 诸暨市基麦罗进出口有限公司 | 一种新型加工成型技术设备 |
| AU2022442755A1 (en) * | 2022-02-23 | 2024-09-19 | Ammpower America Llc | Ammonia synthesis converter and method for small production units |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE971320C (de) * | 1950-11-02 | 1959-01-08 | Basf Ag | Ofen zur katalytischen Herstellung von Ammoniak |
| AT215436B (de) * | 1959-06-24 | 1961-06-12 | Chemie Linz Ag | Verfahren zur Gasführung in katalytischen Hochdrucksyntheseanlagen und Vorrichtung zur Durchführung des Verfahrens |
| AT254910B (de) * | 1964-12-31 | 1967-06-12 | Chemie Linz Ag | Verfahren zur Gasführung in katalytischen Hochdrucksyntheseanlagen und Vorrichtung zur Durchführung des Verfahrens |
| AT225722B (de) * | 1960-04-15 | 1963-02-11 | Chemie Linz Ag | Verfahren zur Gasführung in katalytischen Hochdrucksyntheseanlagen und Vorrichtung zur Durchführung des Verfahrens |
| DK106275C (da) * | 1963-09-28 | 1967-01-16 | Topsoe Haldor F A | Reaktor til udførelse af gasfasereaktioner ved heterogen katalyse. |
| US3492099A (en) * | 1964-10-12 | 1970-01-27 | Lummus Co | Parallel gas flow reactor |
| BE597362A (hu) * | 1965-01-29 | |||
| GB1140071A (en) * | 1965-03-24 | 1969-01-15 | Ici Ltd | Catalytic reactors |
| US3516800A (en) * | 1965-08-25 | 1970-06-23 | Hisao Yamamoto | Synthesis reaction apparatus equipped with means for temperature control of catalyst bed |
| US3556738A (en) * | 1966-09-12 | 1971-01-19 | Robert Schober | Exothermic catalytic gas reactor |
| DE1667323C3 (de) * | 1967-11-21 | 1974-11-21 | Friedrich Uhde Gmbh, 4600 Dortmund | Vorrichtung zur Durchführung exothermer katalytischer Gasreaktionen für die Ammoniak- und Methanol-Synthese |
| DE1667161C3 (de) * | 1968-02-08 | 1973-10-31 | Lentia Gmbh, Chem. U. Pharm. Erzeugnisse - Industriebedarf, 8000 Muenchen | Verfahren und Vorrichtung zur Gasführung in katalytischen Hochdruck syntheseanlagen |
| NL6904757A (hu) * | 1968-03-28 | 1969-09-30 | ||
| AT289036B (de) * | 1968-04-13 | 1971-03-25 | Uhde Gmbh Friedrich | Verfahren zur Reaktionswärmegewinnung bei der katalytischen Hochdruck-Synthese, insbesondere der Ammoniak- und Methanol-Synthese |
| DE1927850A1 (de) * | 1968-06-03 | 1969-12-04 | Kralovopolska Strojirna | Vorrichtung zur Durchfuehrung von exothermen katalytischen Gasreaktionen |
| GB1307845A (en) * | 1969-05-28 | 1973-02-21 | Ici Ltd | Reactor |
| BE754531A (fr) * | 1969-08-07 | 1971-02-08 | Chemie Linz Ag | Procede et dispositif pour le guidage du gaz dans les reacteursde synthese catalytique a haute pression |
| JPS5436595B2 (hu) * | 1971-05-24 | 1979-11-09 | ||
| AT306745B (de) * | 1971-05-24 | 1973-04-25 | Chemie Linz Ag | Vorrichtung zur Durchführung von Hochdrucksynthesen, beispielsweise der Ammoniaksynthese |
| RO55486A2 (hu) * | 1971-06-22 | 1973-08-20 | ||
| US3918918A (en) * | 1972-03-15 | 1975-11-11 | Lummus Co | Catalytic reactor |
| US3998932A (en) * | 1972-05-15 | 1974-12-21 | Montedison Fibre S.P.A. | Process for the catalytic synthesis of ammonia |
| US3941869A (en) * | 1972-05-23 | 1976-03-02 | Warren Fuchs | Process for exothermic reactions |
| TR18747A (tr) * | 1975-07-15 | 1977-08-02 | Snam Progetti | Yueksek termik duezeyli buhar ueretimiyle amonyagin sentezine mahsus radyal akisli reaktoer |
-
1976
- 1976-03-10 GB GB9452/76A patent/GB1574723A/en not_active Expired
-
1977
- 1977-03-03 CA CA273,105A patent/CA1112847A/en not_active Expired
- 1977-03-08 YU YU00614/77A patent/YU61477A/xx unknown
- 1977-03-09 JP JP2494477A patent/JPS52109499A/ja active Granted
- 1977-03-09 TR TR19821A patent/TR19821A/xx unknown
- 1977-03-09 DK DK104177A patent/DK156823C/da not_active IP Right Cessation
- 1977-03-09 MX MX003454A patent/MX171820B/es unknown
- 1977-03-09 FR FR777706915A patent/FR2343699B1/fr not_active Expired - Lifetime
- 1977-03-09 IN IN350/CAL/77A patent/IN145260B/en unknown
- 1977-03-09 UA UA2461107A patent/UA8348A1/uk unknown
- 1977-03-09 BG BG035618A patent/BG50038A3/xx unknown
- 1977-03-09 FI FI770763A patent/FI71540C/fi not_active IP Right Cessation
- 1977-03-09 SU SU772461107A patent/SU1037831A3/ru active
- 1977-03-09 SE SE7702667A patent/SE437656C/xx not_active IP Right Cessation
- 1977-03-09 AU AU23036/77A patent/AU516412B2/en not_active Expired
- 1977-03-09 PL PL1977196542A patent/PL111651B1/pl unknown
- 1977-03-09 US US05/777,254 patent/US4181701A/en not_active Expired - Lifetime
- 1977-03-09 BE BE175644A patent/BE852282A/xx not_active IP Right Cessation
- 1977-03-09 GR GR52948A patent/GR62461B/el unknown
- 1977-03-09 MX MX168294A patent/MX154447A/es unknown
- 1977-03-09 DE DE2710247A patent/DE2710247C2/de not_active Expired - Lifetime
- 1977-03-09 IE IE513/77A patent/IE44718B1/en not_active IP Right Cessation
- 1977-03-09 BR BR7701426A patent/BR7701426A/pt unknown
- 1977-03-09 NO NO770833A patent/NO153049C/no unknown
- 1977-03-09 HU HU77HA1037A patent/HU178560B/hu unknown
- 1977-03-09 PT PT66287A patent/PT66287B/pt unknown
- 1977-03-09 AR AR266796A patent/AR216910A1/es active
- 1977-03-09 ES ES456681A patent/ES456681A1/es not_active Expired
- 1977-03-09 CS CS771591A patent/CS223862B2/cs unknown
- 1977-03-10 NL NLAANVRAGE7702631,A patent/NL174134C/xx not_active IP Right Cessation
- 1977-03-10 DD DD7700197779A patent/DD128657A5/xx unknown
- 1977-03-11 RO RO7789651A patent/RO72141A/ro unknown
-
1978
- 1978-02-22 ES ES467223A patent/ES467223A1/es not_active Expired
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE437656C (sv) | Foerfarande foer syntes av ammoniak samt reaktor foer genomfoerandet av foerfarandet | |
| NO148984C (no) | Fremgangsmaate for fremstilling av ammoniakk | |
| SE424810B (sv) | Implanterbar protesforankring samt forfarande for framstellning av protesforankringen | |
| SE427985B (sv) | Dambinda av engangstyp samt forfarande for tillverkning av denna | |
| GB1542371A (en) | Production of urea | |
| SE434508B (sv) | Polykristallin sintrad kropp samt forfarande for framstellning av kroppen | |
| SE7608618L (sv) | Igensettning av kanaler | |
| SU1152516A3 (en) | Method of obtaining urea | |
| DK226677A (da) | Spendeband | |
| AR210632A1 (es) | Ureasa estabilizada y reactivo que la contiene | |
| EG12091A (en) | Flexible integrated method for the production of ammonia and urea | |
| SE423538B (sv) | Integrerat forfarande for framstellning av karbamid och ammoniak | |
| SE413754B (sv) | Forfarande for regummering av deck samt spennband for genomforande av forfarandet | |
| NO142546C (no) | Fremgangsmaate for undervannssprengning under anvendelse av en tildannet sprengladningsenhet, samt hylse til bruk for utfoerelse av fremgangsmaaten | |
| SE7704074L (sv) | Reduktion av vanadinoxider | |
| DK418677A (da) | Reaktor | |
| SE435765B (sv) | Tonarpulver samt forfarande for framstellning av tonarpulvret | |
| SE7711964L (sv) | Forfarande for framstellning av gamma-pyroner | |
| AR212036A1 (es) | Conjunto de agitadores | |
| JPS52149788A (en) | Takinggout transportation device of chip | |
| SE7802450L (sv) | Forfarande for samtidig framstellning av karbamid och ammoniak | |
| SE7809953L (sv) | Brickett samt forfarande for tillverkning av densamma | |
| JPS5381291A (en) | Determination of ammonia | |
| SE7607272L (sv) | Konstruktionselement samt forfarande for framstellning av detta | |
| DK211977A (da) | Pyrrolioner samt fremgangsmade til fremstilling deraf |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 7702667-2 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 7702667-2 Format of ref document f/p: F |