KR960014089A - 방향족 아민의 연속 제조 방법 - Google Patents
방향족 아민의 연속 제조 방법 Download PDFInfo
- Publication number
- KR960014089A KR960014089A KR1019940016916A KR19940016916A KR960014089A KR 960014089 A KR960014089 A KR 960014089A KR 1019940016916 A KR1019940016916 A KR 1019940016916A KR 19940016916 A KR19940016916 A KR 19940016916A KR 960014089 A KR960014089 A KR 960014089A
- Authority
- KR
- South Korea
- Prior art keywords
- reactor
- hydrogen
- polyamines
- mixture
- diamines
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract 12
- 238000010924 continuous production Methods 0.000 title claims 2
- 150000004982 aromatic amines Chemical class 0.000 title 1
- 229920000768 polyamine Polymers 0.000 claims abstract 6
- 150000001875 compounds Chemical class 0.000 claims abstract 3
- 150000004984 aromatic diamines Chemical class 0.000 claims abstract 2
- 150000002828 nitro derivatives Chemical class 0.000 claims 9
- 239000000203 mixture Substances 0.000 claims 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 6
- 239000001257 hydrogen Substances 0.000 claims 6
- 229910052739 hydrogen Inorganic materials 0.000 claims 6
- 150000004985 diamines Chemical class 0.000 claims 4
- RMBFBMJGBANMMK-UHFFFAOYSA-N 2,4-dinitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O RMBFBMJGBANMMK-UHFFFAOYSA-N 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- XTRDKALNCIHHNI-UHFFFAOYSA-N 2,6-dinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=CC=C1[N+]([O-])=O XTRDKALNCIHHNI-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000005984 hydrogenation reaction Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- ZXVONLUNISGICL-UHFFFAOYSA-N 4,6-dinitro-o-cresol Chemical group CC1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O ZXVONLUNISGICL-UHFFFAOYSA-N 0.000 abstract 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract 1
Classifications
-
- 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
- B01J8/005—Separating solid material from the gas/liquid stream
- B01J8/006—Separating solid material from the gas/liquid stream by filtration
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
- B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
- B01J2219/0011—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant liquids
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00162—Controlling or regulating processes controlling the 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4323687A DE4323687A1 (de) | 1993-07-15 | 1993-07-15 | Kontinuierliches Verfahren zur Herstellung von aromatischen Aminen |
| DEP4323687.1 | 1993-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR960014089A true KR960014089A (ko) | 1996-05-22 |
Family
ID=6492860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940016916A Withdrawn KR960014089A (ko) | 1993-07-15 | 1994-07-14 | 방향족 아민의 연속 제조 방법 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5563296A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0634391B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP3670033B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR960014089A (cg-RX-API-DMAC7.html) |
| CN (1) | CN1104629A (cg-RX-API-DMAC7.html) |
| BR (1) | BR9402814A (cg-RX-API-DMAC7.html) |
| CA (1) | CA2127774A1 (cg-RX-API-DMAC7.html) |
| DE (2) | DE4323687A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2108341T3 (cg-RX-API-DMAC7.html) |
| TW (1) | TW268934B (cg-RX-API-DMAC7.html) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4435839A1 (de) * | 1994-10-07 | 1996-04-11 | Bayer Ag | Schlammphasenreaktor und dessen Verwendung |
| US5900098A (en) * | 1996-10-11 | 1999-05-04 | Wea Manufacturing Inc. | Methods for bonding structurally dissimilar optical discs |
| DE19745465A1 (de) * | 1997-10-15 | 1999-04-22 | Bayer Ag | Kontinuierliches Verfahren zur Herstellung von aromatischen Aminen |
| US6242649B1 (en) * | 1997-10-15 | 2001-06-05 | Bayer Aktiengesellschaft | Continuous method for producing aromatic amines |
| DE19854637A1 (de) | 1998-11-26 | 2000-05-31 | Basf Ag | Reaktor zur kontinuierlichen Durchführung von Gas-Flüssig-, Flüssig-Flüssig- oder Gas-Flüssig-Fest-Reaktionen |
| DE59905881D1 (de) * | 1998-12-12 | 2003-07-10 | Basf Ag | Verfahren zur herstellung von aminen |
| DE10008635A1 (de) † | 2000-02-24 | 2001-09-06 | Basf Ag | Verfahren zur Herstellung von Polyetherpolyolen |
| IT1318602B1 (it) * | 2000-06-29 | 2003-08-27 | Enichem Spa | Procedimento per la produzione di ammine aromatiche. |
| DE10105277A1 (de) * | 2001-02-02 | 2002-08-14 | Basf Ag | Verfahren zur Hydrierung von flüssigen organischen Verbindungen |
| KR100938664B1 (ko) | 2002-02-06 | 2010-01-25 | 바스프 에스이 | 아민의 제조 방법 |
| DE102005008613A1 (de) * | 2005-02-23 | 2006-08-31 | Basf Ag | Vefahren zur Herstellung von aromatischen Aminen oder aliphatischen Aminoalkoholen |
| JP2007063201A (ja) * | 2005-08-31 | 2007-03-15 | Mitsui Chemicals Polyurethanes Inc | アミノ化合物の製造方法および製造装置 |
| JP2007204388A (ja) * | 2006-01-31 | 2007-08-16 | Sumitomo Chemical Co Ltd | 反応熱の回収方法 |
| CN101234322B (zh) * | 2006-01-31 | 2012-04-04 | 住友化学株式会社 | 反应控制方法 |
| CN101029868B (zh) * | 2006-02-28 | 2010-09-29 | 住友化学株式会社 | 反应控制方法 |
| DE102006059678A1 (de) * | 2006-12-18 | 2008-06-19 | Bayer Materialscience Ag | Verfahren zur Herstellung von aromatischen Aminen |
| DE102006060572A1 (de) * | 2006-12-19 | 2008-06-26 | Bayer Materialscience Ag | Verfahren zur Herstellung von Toluylendiaminen durch katalytische Hydrierung von Dinitrotoluolen |
| EP2152655B1 (en) * | 2007-05-29 | 2017-07-05 | LG Chem. Ltd. | Method for the hydroformylation of olefins and apparatus therefor |
| CN102046279A (zh) * | 2008-05-27 | 2011-05-04 | 巴斯夫欧洲公司 | 氢化有机化合物的连续方法和反应器 |
| DE102008063991A1 (de) | 2008-12-19 | 2010-06-24 | Bayer Materialscience Ag | Verfahren zur Herstellung von Isocyanaten in der Gasphase |
| DE102008063308B4 (de) | 2008-12-29 | 2013-03-07 | Basf Se | Verfahren zur Herstellung von Toluylendiamin durch Hydrierung von Dinitrotoluol |
| US9150493B2 (en) | 2010-01-14 | 2015-10-06 | Bayer Intellectual Property Gmbh | Method for producing aromatic amines in the liquid phase |
| US8835688B2 (en) | 2011-03-16 | 2014-09-16 | Basf Se | Optimized introduction of the starting materials for a process for preparing aromatic amines by hydrogenation of nitroaromatics |
| KR20140015473A (ko) * | 2011-03-16 | 2014-02-06 | 바스프 에스이 | 니트로방향족의 수소화에 의해 방향족 아민을 제조하는 방법을 위한 반응물의 최적 계량 |
| CN103360265B (zh) * | 2012-04-06 | 2014-12-17 | 浙江龙盛化工研究有限公司 | 一种二硝基苯连续加氢及其反应热回收利用方法 |
| US9295971B2 (en) | 2013-01-11 | 2016-03-29 | Basf Se | Apparatus and process for the continuous reaction of liquids with gases |
| HUE053196T2 (hu) * | 2013-01-11 | 2021-06-28 | Basf Se | Berendezés és eljárás folyadékok gázokkal történõ folyamatos átalakítására |
| US9302237B2 (en) | 2013-01-11 | 2016-04-05 | Basf Se | Apparatus and process for the continuous reaction of liquids with gases |
| WO2014108351A1 (de) | 2013-01-11 | 2014-07-17 | Basf Se | Vorrichtung und verfahren zur kontinuierlichen umsetzung von flüssigkeiten mit gasen |
| EP2857093A1 (de) | 2013-10-07 | 2015-04-08 | Basf Se | Vorrichtung und Verfahren zur Dosierung von mindestens zwei zu mischenden Flüssigkeiten |
| US9518006B2 (en) * | 2013-10-08 | 2016-12-13 | Covestro Deutschland Ag | Method for producing diaminotoluene |
| JP6695278B2 (ja) | 2014-05-13 | 2020-05-20 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ | トルエンジアミンの製造方法 |
| CN104045569B (zh) * | 2014-05-15 | 2016-04-06 | 赛鼎工程有限公司 | 通过二硝基甲苯低压加氢合成甲苯二胺的工艺及催化剂和催化剂的制法 |
| CN105237409A (zh) * | 2014-06-05 | 2016-01-13 | 中国石油化工股份有限公司 | 一种利用喷射反应器进行还原胺化的方法 |
| EP3181220A1 (en) | 2015-12-16 | 2017-06-21 | Basf Se | A process for removing a heterogeneous catalyst from a reaction product and a process for producing an aromatic amine |
| CN105503568A (zh) * | 2016-01-28 | 2016-04-20 | 杭州海虹精细化工有限公司 | 一种采用回路反应器合成己二酸的反应系统及方法 |
| CN110075764A (zh) * | 2019-05-05 | 2019-08-02 | 江苏东普新材料科技有限公司 | 一种异体式喷射膜反应器及采用该反应器制备脂肪醇的方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE229940C (cg-RX-API-DMAC7.html) * | ||||
| GB768111A (en) * | 1953-11-13 | 1957-02-13 | Bayer Ag | Production of toluylene diamine |
| US3194839A (en) * | 1962-04-12 | 1965-07-13 | Abbott Lab | Catalytic hydrogenation of nitroaromatic compounds to aromatic amines |
| GB1017646A (en) * | 1962-05-08 | 1966-01-19 | Sumitomo Chemical Co | Preparation of aromatic amino compounds |
| US3431085A (en) * | 1964-03-12 | 1969-03-04 | Olin Mathieson | Hydrogenation apparatus provided with internal filter for separating reaction product |
| US3356728A (en) * | 1964-03-12 | 1967-12-05 | Olin Mathieson | Process of preparing aromatic polyamines by catalytic hydrogenation of aromatic polynitro compounds |
| US3356729A (en) * | 1964-04-01 | 1967-12-05 | Olin Mathieson | Preparation of aromatic polyamines |
| FR1482056A (fr) * | 1966-03-10 | 1967-05-26 | Melle Usines Sa | Procédé d'hydrogénation |
| FR1599004A (cg-RX-API-DMAC7.html) * | 1968-10-17 | 1970-07-15 | ||
| US3895065A (en) * | 1968-10-17 | 1975-07-15 | Rhone Poulenc Ind | Process for carrying out chemical reactions in heterogeneous medium |
| BE754868A (fr) * | 1969-08-16 | 1971-02-15 | Basf Ag | Procede pour la mise en oeuvre de reactions exothermiques entreun gaz et un liquide |
| DE2135154C3 (de) * | 1971-07-14 | 1980-04-30 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Aminoverbindungen durch kontinuierliche Reduktion von Nitroverbindungen |
| BE793860A (fr) * | 1972-03-23 | 1973-07-10 | Bayer Ag | Catalyseur utilisable notamment pour la reduction de nitrobenzene |
| DE2440238C3 (de) * | 1974-08-22 | 1981-11-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von organisch substituierter Hydrazine |
| DE2456308A1 (de) * | 1974-11-28 | 1976-08-12 | Bayer Ag | Verfahren zur herstellung von aminoverbindungen |
| DE3315191A1 (de) * | 1983-04-27 | 1984-10-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen herstellung von aromatischen diaminen unter gleichzeitiger erzeugung von dampf |
| DD229940A1 (de) * | 1984-12-20 | 1985-11-20 | Akad Wissenschaften Ddr | Reaktor zur kontinuierlichen herstellung von aromatischen aminen |
| DE3537247A1 (de) * | 1985-10-19 | 1987-04-23 | Bayer Ag | Verwendung von modifizierten raney-katalysatoren zur herstellung von aromatischen diaminoverbindungen |
| DE3635217A1 (de) * | 1986-10-16 | 1988-04-28 | Bayer Ag | Verfahren und ruehrreaktor fuer die durchfuehrung von exothermen reaktionen |
-
1993
- 1993-07-15 DE DE4323687A patent/DE4323687A1/de not_active Withdrawn
-
1994
- 1994-06-06 TW TW083105114A patent/TW268934B/zh active
- 1994-06-30 US US08/268,407 patent/US5563296A/en not_active Expired - Lifetime
- 1994-07-04 DE DE59404392T patent/DE59404392D1/de not_active Expired - Fee Related
- 1994-07-04 ES ES94110393T patent/ES2108341T3/es not_active Expired - Lifetime
- 1994-07-04 EP EP94110393A patent/EP0634391B1/de not_active Expired - Lifetime
- 1994-07-11 CA CA002127774A patent/CA2127774A1/en not_active Abandoned
- 1994-07-13 JP JP18305394A patent/JP3670033B2/ja not_active Expired - Fee Related
- 1994-07-14 BR BR9402814A patent/BR9402814A/pt not_active Application Discontinuation
- 1994-07-14 KR KR1019940016916A patent/KR960014089A/ko not_active Withdrawn
- 1994-07-15 CN CN94107879A patent/CN1104629A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753477A (ja) | 1995-02-28 |
| CA2127774A1 (en) | 1995-01-16 |
| TW268934B (cg-RX-API-DMAC7.html) | 1996-01-21 |
| BR9402814A (pt) | 1995-05-02 |
| EP0634391A1 (de) | 1995-01-18 |
| CN1104629A (zh) | 1995-07-05 |
| US5563296A (en) | 1996-10-08 |
| DE59404392D1 (de) | 1997-11-27 |
| JP3670033B2 (ja) | 2005-07-13 |
| DE4323687A1 (de) | 1995-01-19 |
| EP0634391B1 (de) | 1997-10-22 |
| ES2108341T3 (es) | 1997-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5563296A (en) | Continuous process for preparing aromatic amines | |
| KR100743381B1 (ko) | 관형 반응기, 관형 반응기에서 액체/액체 다상 반응의 수행방법 및 관형 반응기에서 방향족 화합물의 환상 니트로화 방법 | |
| RU2110477C1 (ru) | Способ каталитического получения богатого окисью углерода газа | |
| CA1260958A (en) | Co-production of an aromatic monoamine and an aromatic diamine directly from benzene or a benzene derivative through controlled nitration | |
| ES8502077A1 (es) | Procedimiento para la obtencion continua de diaminas aromaticas | |
| KR970059088A (ko) | 삼불화질소의 합성 방법 | |
| DK0643756T3 (da) | Fremgangsmåde til katalytisk omdannelse af organisk materiale til et gasprodukt | |
| US5973206A (en) | Hydrogenation of aromatic nitrocompounds to aromatic amines | |
| SE9000228L (sv) | Foerfarande foer framstaellning av vaeteperoxid | |
| KR880013816A (ko) | 일산화탄소의 제조방법 | |
| US3988423A (en) | Method for removing harmful materials from waste gas | |
| BR0008048A (pt) | Processo de reforma secundária e queimador | |
| JP4257891B2 (ja) | ニトロクロロベンゼンを製造するための連続的な断熱的方法 | |
| KR890012693A (ko) | 니트릴 및 산화물의 제조 방법 | |
| GB913444A (en) | Production of aniline | |
| KR950017888A (ko) | 고발열 반응용 촉매 전환기 및 그 반응에 의한 제조방법 | |
| US4313010A (en) | Process for making nitroparaffins by nitration of ethane in the gaseous phase | |
| CN101628883B (zh) | 一种二次加热-降膜逆流换热的尿素中压分解工艺 | |
| DE3565098D1 (en) | Selective syntheses of substituted amines | |
| GB1304930A (cg-RX-API-DMAC7.html) | ||
| SE9000227L (sv) | Foerfarande foer framstaellning av vaeteperoxid | |
| US3236906A (en) | Process for preparing acetylene using atomic hydrogen to heat the reaction | |
| DE1668371C3 (de) | Verbund-Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid sowie vorf Ammoniak aus den Elementen | |
| EP0018420A1 (en) | Method of synthesizing urea | |
| KR19990083343A (ko) | 기체상알칸의광화학적설포클로로화방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19940714 |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |