KR19990037343A - 아크릴산의 제조 방법 - Google Patents
아크릴산의 제조 방법 Download PDFInfo
- Publication number
- KR19990037343A KR19990037343A KR1019980044543A KR19980044543A KR19990037343A KR 19990037343 A KR19990037343 A KR 19990037343A KR 1019980044543 A KR1019980044543 A KR 1019980044543A KR 19980044543 A KR19980044543 A KR 19980044543A KR 19990037343 A KR19990037343 A KR 19990037343A
- Authority
- KR
- South Korea
- Prior art keywords
- reaction
- stage catalyst
- catalyst
- stage
- layer
- Prior art date
Links
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C57/03—Monocarboxylic acids
- C07C57/04—Acrylic acid; Methacrylic acid
-
- 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
- B01J8/06—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 in tube reactors; the solid particles being arranged in tubes
- B01J8/067—Heating or cooling the reactor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- 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
- B01J2208/00212—Plates; Jackets; Cylinders
-
- 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
- B01J2208/00513—Controlling the temperature using inert heat absorbing solids in the bed
-
- 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
- B01J2208/02—Processes carried out in the presence of solid particles; Reactors therefor with stationary particles
- B01J2208/023—Details
- B01J2208/024—Particulate material
- B01J2208/025—Two or more types of 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—Tungsten
- B01J23/8885—Tungsten containing also molybdenum
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
제 2 단계 촉매층으로의 반응 기체 입구 온도(℃) | 프로필렌 전화율(mol%) | 아크릴산 수율(mol%) | ||
실시예 1 | 반응 초기 단계1000 시간 후 | 265265 | 97.096.8 | 89.589.7 |
실시예 2 | 반응 초기 단계1000 시간 후 | 263263 | 97.096.9 | 89.489.5 |
실시예 3 | 반응 초기 단계1000 시간 후 | 260260 | 97.097.0 | 89.589.3 |
실시예 4 | 반응 초기 단계1000 시간 후 | 270270 | 97.297.0 | 89.089.0 |
실시예 5 | 반응 초기 단계1000 시간 후 | 268268 | 97.096.9 | 89.389.4 |
비교예 1 | 반응 초기 단계1000 시간 후 | 260260 | 97.096.9 | 89.487.0 |
비교예 2 | 반응 초기 단계1000 시간 후 | 반응 진행 안됨 | ||
비교예 3 | 반응 초기 단계1000 시간 후 | 260260 | 96.895.5 | 88.286.5 |
Claims (3)
- 하나의 쉘 및 쉘 안에 수직으로 제공된 수 많은 반응 튜브들로 이루어진 고정층 쉘-앤드-튜브 열 교환 방식 반응기를 사용하는 아크릴산의 제조방법으로서, 상기 쉘 공간은 칸막이 판에 의해 둘로 나뉘어져 상부 공간 및 하부 공간을 제공하고, 상기의 두 공간 각각은 가열 매질의 실질적으로 상호 독립적 순환을 가능하게 하도록 고안되어 있고, 형성된 반응 튜브 각각에는 프로필렌의 산화를 통해 아크롤레인을 주로 생성하기 위해 적합한 촉매의 제 1 단계 촉매층 및 아크롤레인의 산화를 통하여 아크릴산을 제조하기 위해 적합한 촉매의 제 2 단계 촉매층이 있으며; 제 1 단계 촉매로 증기상에서 프로필렌을 산화하여 주로 아크롤레인을 형성하고, 이어서, 제 2 단계 촉매로 증기상에서 아크롤레인을 산화하여 아크릴산을 제조하는 것으로 이루어지며; 상기 방법은 이러한 증기상 산화가 하기의 조건 하에서 수행됨을 특징으로 하는 방법:1) 각각의 반응 튜브 하부, 즉, 쉘 하부 공간 내에 위치한 각 반응 튜브의 부분에, 제 1 단계 촉매로 장전된 제 1 단계 촉매층을 제공하고, 각 반응 튜브 상부, 즉, 쉘 상부 공간내에 위치한 각 반응 튜브의 부분에, 제 2 단계 촉매로 장전된 제 2 단계 촉매층을 제공하며, 비활성 물질로 장전된 비활성 물질층을 제 1 단계 촉매층 및 제 2 단계 촉매층 사이에 제공한다;2) 비활성 물질층의 공극율은 40 내지 99.5%이다.3) 상기 비활성 물질층은 제 1 단계 촉매층으로부터의 반응 기체를 제 2 단계 촉매층으로의 도입을 위해 적당한 온도까지 냉각하기에 충분한 길이를 가지고 있으며, 제 1 단계 촉매층의 상단 촉매 및 제 2 단계 촉매층의 하단 촉매가 칸막이 판으로부터 열적 영향을 실질적으로 받지 않도록 하는 곳에 위치한다. 그리고,4) 프로필렌을 함유한 기체의 출발 물질은 반응 튜브의 하부로부터 도입되고, 상기 반응 기체는 반응 튜브를 상승류로서 통과한다.
- 제 1 항에 있어서, 가열 매질이 두 공간 중 적어도 하부 공간에서 위 쪽 방향으로 흐르게 됨을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, 칸막이 판으로부터 비활성 물질층의 하단까지의 길이가 30mm 이상이고, 비활성 물질층의 길이는 비활성 물질층을 통해 제 2 단계 촉매층으로 투입되는 반응 기체를 상부 공간으로의 가열 매질 입구 온도보다 15℃ 이상 높지 않도록 냉각시키는 데에 충분한 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97-293756 | 1997-10-27 | ||
JP29375697A JP3948798B2 (ja) | 1997-10-27 | 1997-10-27 | アクリル酸の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990037343A true KR19990037343A (ko) | 1999-05-25 |
KR100407030B1 KR100407030B1 (ko) | 2004-03-22 |
Family
ID=17798828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0044543A KR100407030B1 (ko) | 1997-10-27 | 1998-10-23 | 아크릴산의제조방법 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6069271A (ko) |
EP (1) | EP0911313B1 (ko) |
JP (1) | JP3948798B2 (ko) |
KR (1) | KR100407030B1 (ko) |
CN (1) | CN1093117C (ko) |
BR (1) | BR9804243B1 (ko) |
DE (1) | DE69801797T2 (ko) |
ID (1) | ID21140A (ko) |
MY (1) | MY120056A (ko) |
SG (1) | SG70657A1 (ko) |
TW (1) | TW460455B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100677051B1 (ko) * | 2005-03-18 | 2007-02-01 | 주식회사 엘지화학 | 올레핀으로부터 불포화산을 제조하는 방법 |
Families Citing this family (77)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6384274B1 (en) | 1998-09-27 | 2002-05-07 | Rohm And Haas Company | Single reactor process for preparing acrylic acid from propylene having improved capacity |
EP1065197B1 (en) | 1999-06-28 | 2002-11-06 | Rohm And Haas Company | Process for preparing (meth)acrylic acid |
JP3895527B2 (ja) * | 1999-08-31 | 2007-03-22 | 株式会社日本触媒 | 接触気相酸化方法 |
DE19952964A1 (de) * | 1999-11-03 | 2001-05-10 | Basf Ag | Verfahren zur katalytischen Gasphasenoxidation zu (Meth)Acrolein und/oder (Meth)Acrylsäure |
JP3646027B2 (ja) * | 1999-11-05 | 2005-05-11 | 株式会社日本触媒 | 接触気相酸化用反応器およびそれを使用した(メタ)アクリル酸の製造方法 |
US6620968B1 (en) | 1999-11-23 | 2003-09-16 | Rohm And Haas Company | High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids |
JP3744750B2 (ja) * | 1999-12-08 | 2006-02-15 | 株式会社日本触媒 | 複合酸化物触媒およびアクリル酸の製造方法 |
JP2001213839A (ja) | 2000-02-03 | 2001-08-07 | Nippon Shokubai Co Ltd | (メタ)アクリル酸の製造方法 |
JP4648515B2 (ja) * | 2000-05-02 | 2011-03-09 | 株式会社日本触媒 | 反応器のスタートアップ方法 |
EP1289919B1 (de) | 2000-06-14 | 2006-11-29 | Basf Aktiengesellschaft | Verfahren zur herstellung von acrolein und/oder acrylsäure |
US6441227B1 (en) | 2000-06-23 | 2002-08-27 | Saudi Basic Industries Corporation | Two stage process for the production of unsaturated carboxylic acids by oxidation of lower unsaturated hydrocarbons |
ZA200200048B (en) | 2001-01-25 | 2002-07-16 | Nippon Catalytic Chem Ind | Process for extracting sold material from shell-and-tube reactor. |
DE10127374A1 (de) | 2001-06-06 | 2002-12-12 | Basf Ag | Reaktor zum Testen von Katalysatorsystemen |
DE10137534A1 (de) | 2001-08-01 | 2003-02-13 | Basf Ag | Verfahren zur Herstellung von Maleinsäureanhydrid |
DE10148566A1 (de) * | 2001-10-01 | 2003-04-10 | Basf Ag | Verfahren zur Herstellung von Acrylsäure durch heterogen katalysierte Gasphasenoxidation |
WO2003044125A2 (en) | 2001-11-16 | 2003-05-30 | Chevron Phillips Chemical Company Lp | A process to produce a dilute ethylene stream and a dilute propylene stream |
JP4028392B2 (ja) * | 2002-01-11 | 2007-12-26 | 三菱化学株式会社 | 気相接触酸化方法 |
BRPI0306797B1 (pt) | 2002-01-11 | 2016-07-12 | Mitsubishi Chem Corp | reator multitubular, e, métodos de oxidação catalítica em fase vapor e para iniciar um reator tipo casco-tubo |
CN1330618C (zh) * | 2002-03-11 | 2007-08-08 | 三菱化学株式会社 | 催化气相氧化法 |
KR100450234B1 (ko) * | 2002-07-10 | 2004-09-24 | 주식회사 엘지화학 | 개선된 열교환 시스템을 갖는 촉매 산화 반응기 |
US7115776B2 (en) † | 2002-07-18 | 2006-10-03 | Basf Aktiengesellschaft | Heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound |
AU2002358695A1 (en) * | 2002-12-12 | 2004-06-30 | Man Dwe Gmbh | Jacketed tube reactor comprising a bypass line for the heat transfer medium |
US20060292046A1 (en) * | 2003-07-31 | 2006-12-28 | Dow Global Technologies Inc. | Oxidation process and reactor with modified feed system |
JP4604607B2 (ja) * | 2003-08-22 | 2011-01-05 | 三菱化学株式会社 | 触媒再生方法 |
KR100553825B1 (ko) * | 2003-09-01 | 2006-02-21 | 주식회사 엘지화학 | 고정층 촉매 부분 산화 반응기에서 개선된 제열 시스템을통한 불포화알데히드 및 불포화산의 제조 방법 |
EP1697278B1 (en) * | 2003-12-24 | 2016-06-01 | LG Chem, Ltd. | Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system |
TWI292755B (en) * | 2003-12-26 | 2008-01-21 | Lg Chemical Ltd | Method of producing unsaturated aldehyde and/or unsaturated fatty acid |
DE102004005863A1 (de) * | 2004-02-05 | 2005-09-08 | Stockhausen Gmbh | Reaktor mit einem einen Einsatz aufweisenden Wärmetauscherbereich |
US20060090398A1 (en) * | 2004-11-02 | 2006-05-04 | Katikaneni Sai P | Pre-processing assembly for pre-processing fuel feedstocks for use in a fuel cell system |
KR100850857B1 (ko) * | 2005-02-01 | 2008-08-06 | 주식회사 엘지화학 | 불포화 지방산의 제조방법 |
KR100714606B1 (ko) * | 2005-02-25 | 2007-05-07 | 주식회사 엘지화학 | 불포화 알데히드 및/또는 불포화 산의 제조방법 |
DE102005030414A1 (de) * | 2005-06-30 | 2007-01-18 | Stockhausen Gmbh | Reaktor und Verfahren zur katalytischen Gasphasenreaktion sowie Verfahren zur Applikation eines Katalysators in einem Reaktor |
US7649112B2 (en) | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon |
US7649111B2 (en) * | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same |
US7851397B2 (en) * | 2005-07-25 | 2010-12-14 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
US7732367B2 (en) * | 2005-07-25 | 2010-06-08 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
WO2007088118A1 (de) * | 2006-02-01 | 2007-08-09 | Basf Aktiengesellschaft | Verfahren zur herstellung von vicinalen dioxoverbindungen |
JP4938802B2 (ja) * | 2006-02-14 | 2012-05-23 | ビーエーエスエフ ソシエタス・ヨーロピア | モノエチレングリコール(meg)からのエチレンアミン及びエタノールアミンの製造方法 |
JP5124486B2 (ja) * | 2006-02-14 | 2013-01-23 | ビーエーエスエフ ソシエタス・ヨーロピア | 触媒の存在でモノエチレングリコール及びアンモニアの水素化アミノ化によるエチレンアミン及びエタノールアミンの製造方法 |
KR100873271B1 (ko) | 2006-03-13 | 2008-12-11 | 주식회사 엘지화학 | 고정층 촉매 부분산화 반응기에서 고효율의 불포화알데히드 및/또는 불포화 지방산의 제조방법 |
JP5171031B2 (ja) * | 2006-07-19 | 2013-03-27 | 株式会社日本触媒 | 接触気相酸化用反応器およびそれを用いたアクリル酸の製造方法 |
US7897813B2 (en) | 2006-07-19 | 2011-03-01 | Nippon Shokubai Co., Ltd. | Reactor for gas phase catalytic oxidation and a process for producing acrylic acid using it |
JP5311751B2 (ja) * | 2007-03-09 | 2013-10-09 | 株式会社日本触媒 | 固定床反応装置およびその使用方法 |
JP2008024644A (ja) * | 2006-07-20 | 2008-02-07 | Nippon Shokubai Co Ltd | 固定床反応装置およびその使用方法 |
US7884235B2 (en) | 2006-07-20 | 2011-02-08 | Nippon Shokubai Co., Ltd. | Method for gas-phase catalytic oxidation using a fixed bed reactor |
US7799946B2 (en) * | 2007-02-14 | 2010-09-21 | Saudi Basic Industries Corporation | Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
WO2008120956A1 (en) * | 2007-04-03 | 2008-10-09 | Lg Chem, Ltd. | Method for preparing unsaturated aldehyde and/or unsaturated fatty acid using fixed-bed catalytic partial oxidation reactor |
DE102007025869A1 (de) * | 2007-06-01 | 2008-07-03 | Basf Se | Verfahren der Wiederbeschickung der Reaktionsrohre eines Rohrbündelreaktors mit einem neuen Katalysatorfestbett |
DE102007028333A1 (de) | 2007-06-15 | 2008-12-18 | Basf Se | Verfahren zum Einbringen einer wenigstens einer Produktionscharge von ringförmigen Schalenkatalysatoren K entnommenen Teilmenge in ein Reaktionsrohr eines Rohrbündelreaktors |
EP2177500A1 (en) * | 2007-07-27 | 2010-04-21 | Nippon Shokubai Co., Ltd. | Process for producing acrylic acid by two-stage catalytic vapor-phase oxidation |
JP5559692B2 (ja) * | 2008-09-22 | 2014-07-23 | 株式会社日本触媒 | 固定床反応器、およびそれを用いたアクリル酸の製造方法 |
JP5232584B2 (ja) * | 2008-09-26 | 2013-07-10 | 東亞合成株式会社 | アクリル酸の製造方法 |
JP5314983B2 (ja) * | 2008-09-26 | 2013-10-16 | 日本化薬株式会社 | メタクリル酸の製造方法 |
EP2347823B1 (en) * | 2008-09-30 | 2016-08-31 | Nippon Shokubai Co., Ltd. | Catalyst for producing acrylic acid and process for producing acrylic acid using the catalyst |
WO2010038677A1 (ja) * | 2008-09-30 | 2010-04-08 | 株式会社日本触媒 | アクロレインおよび/またはアクリル酸製造用の触媒および該触媒を用いたアクロレインおよび/またはアクリル酸の製造方法 |
US20100185001A1 (en) | 2009-01-19 | 2010-07-22 | Van Maaren Wouter | Process and apparatus for the production of ethylene oxide |
KR101257411B1 (ko) | 2009-10-09 | 2013-04-23 | 주식회사 엘지화학 | (메트)아크릴산의 제조방법 |
JP2010070579A (ja) * | 2010-01-07 | 2010-04-02 | Nippon Shokubai Co Ltd | アクリル酸の製造方法 |
DE102011011895A1 (de) * | 2011-02-21 | 2012-08-23 | Lurgi Gmbh | Rohrreaktor |
US8921257B2 (en) | 2011-12-02 | 2014-12-30 | Saudi Basic Industries Corporation | Dual function partial oxidation catalyst for propane to acrylic acid conversion |
US8722940B2 (en) | 2012-03-01 | 2014-05-13 | Saudi Basic Industries Corporation | High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins |
US9440903B2 (en) | 2012-09-24 | 2016-09-13 | Arkema Inc. | Shell and tube oxidation reactor with improved resistance to fouling |
DE102013217386A1 (de) * | 2013-09-02 | 2015-03-05 | Evonik Industries Ag | Verfahren zur Herstellung von Acrylsäure |
CN108752198A (zh) | 2014-04-30 | 2018-11-06 | 三菱化学株式会社 | (甲基)丙烯酸的制造方法 |
EP3175919A4 (en) | 2014-08-01 | 2018-03-21 | Nippon Shokubai Co., Ltd. | Method for recovering inert substance, method for manufacturing acrylic acid using inert substance recovered by said method |
CN107075215A (zh) | 2014-11-03 | 2017-08-18 | 阿科玛股份有限公司 | 用于增加聚合物薄片和粉末的密度的方法 |
CN107848935B (zh) * | 2015-08-24 | 2022-01-04 | 罗门哈斯公司 | 单体生产中使用的材料的惰性的确定方法 |
CN107848934B (zh) * | 2015-08-24 | 2021-07-20 | 罗门哈斯公司 | 确定单体生产中使用的材料的惰性的方法 |
CA2904477A1 (en) * | 2015-09-14 | 2017-03-14 | Nova Chemicals Corporation | Heat dissipating diluent in fixed bed reactors |
WO2017184496A1 (en) * | 2016-04-21 | 2017-10-26 | Rohm And Haas Company | Methods for using macroporous inert materials in monomer production |
US10875002B2 (en) * | 2017-02-08 | 2020-12-29 | Commonwealth Scientific And Industrial Research Organisation | Isothermal reactor |
CN113316483B (zh) | 2019-01-25 | 2023-07-14 | 株式会社日本触媒 | 喷嘴、固体物质提取装置、固体物质提取系统和固体物质提取方法 |
CN114096871A (zh) | 2019-07-09 | 2022-02-25 | 株式会社日本触媒 | 距离测量装置和距离测量方法 |
EP3770145A1 (en) | 2019-07-24 | 2021-01-27 | Basf Se | A process for the continuous production of either acrolein or acrylic acid as the target product from propene |
EP4101831A4 (en) * | 2020-02-05 | 2023-08-09 | Mitsubishi Chemical Corporation | METHODS OF PRODUCTION OF (METH)ACROLEIN AND METHODS OF PRODUCTION OF (METH)ACRYLIC ACID |
EP3892367A1 (en) * | 2020-04-09 | 2021-10-13 | Röhm GmbH | A tube bundle reactor and method for the production of methacrylic acid through the partial oxidation of methacrolein |
WO2022106158A1 (de) | 2020-11-19 | 2022-05-27 | Basf Se | ZWEISTUFIGES HERSTELLUNGSVERFAHREN VON a,ß-ETHYLENISCH UNGESÄTTIGTEN CARBONSÄUREN UND ANLAGE HIERZU |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3147084A (en) * | 1962-03-08 | 1964-09-01 | Shell Oil Co | Tubular catalytic reactor with cooler |
DE2513405C2 (de) * | 1975-03-26 | 1982-10-21 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Acrylsäure durch Oxidation von Propylen mit Sauerstoff enthaltenden Gasen in zwei getrennten Katalysatorstufen, die in einem Röhrenreaktor hintereinander angeordnet sind |
US4203906A (en) * | 1977-07-13 | 1980-05-20 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Process for catalytic vapor phase oxidation |
JPS5673041A (en) * | 1979-11-19 | 1981-06-17 | Mitsubishi Petrochem Co Ltd | Preparation of acrylic acid |
JPH0813778B2 (ja) * | 1988-07-11 | 1996-02-14 | 住友化学工業株式会社 | メタクリル酸の製造方法 |
ES2035663T3 (es) * | 1989-02-17 | 1993-04-16 | Jgc Corporation | Aparato del tipo de envoltura y tubos, que tienen una placa intermedia de tubos. |
DE4023239A1 (de) * | 1990-07-21 | 1992-01-23 | Basf Ag | Verfahren zur katalytischen gasphasenoxidation von propen oder iso-buten zu acrolein oder methacrolein |
-
1997
- 1997-10-27 JP JP29375697A patent/JP3948798B2/ja not_active Expired - Lifetime
-
1998
- 1998-10-23 KR KR10-1998-0044543A patent/KR100407030B1/ko not_active IP Right Cessation
- 1998-10-26 BR BRPI9804243-2A patent/BR9804243B1/pt not_active IP Right Cessation
- 1998-10-27 ID IDP981410A patent/ID21140A/id unknown
- 1998-10-27 EP EP98308754A patent/EP0911313B1/en not_active Expired - Lifetime
- 1998-10-27 MY MYPI98004870A patent/MY120056A/en unknown
- 1998-10-27 SG SG1998004291A patent/SG70657A1/en unknown
- 1998-10-27 DE DE69801797T patent/DE69801797T2/de not_active Expired - Lifetime
- 1998-10-27 US US09/178,737 patent/US6069271A/en not_active Expired - Lifetime
- 1998-10-27 CN CN98123609A patent/CN1093117C/zh not_active Expired - Lifetime
- 1998-10-27 TW TW087117799A patent/TW460455B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100677051B1 (ko) * | 2005-03-18 | 2007-02-01 | 주식회사 엘지화학 | 올레핀으로부터 불포화산을 제조하는 방법 |
Also Published As
Publication number | Publication date |
---|---|
BR9804243A (pt) | 2000-04-11 |
TW460455B (en) | 2001-10-21 |
EP0911313A1 (en) | 1999-04-28 |
CN1215718A (zh) | 1999-05-05 |
MX207634B (ko) | 2002-04-29 |
KR100407030B1 (ko) | 2004-03-22 |
JP3948798B2 (ja) | 2007-07-25 |
US6069271A (en) | 2000-05-30 |
SG70657A1 (en) | 2000-02-22 |
MX9808885A (ko) | 2000-04-30 |
DE69801797D1 (de) | 2001-10-31 |
MY120056A (en) | 2005-08-30 |
CN1093117C (zh) | 2002-10-23 |
BR9804243B1 (pt) | 2008-11-18 |
DE69801797T2 (de) | 2002-05-23 |
ID21140A (id) | 1999-04-29 |
EP0911313B1 (en) | 2001-09-26 |
JPH11130722A (ja) | 1999-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100407030B1 (ko) | 아크릴산의제조방법 | |
US6563000B1 (en) | Process for producing acrylic acid | |
EP0792866B1 (en) | Process for production of acrylic acid | |
US5276178A (en) | Process for producing methacrolein and methacrylic acid | |
US7132384B2 (en) | Process for producing composite oxide catalyst | |
US7884238B2 (en) | Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound | |
RU2440188C2 (ru) | Способ гетерогенного каталитического газофазного парциального окисления по меньшей мере одного исходного органического соединения | |
US6740779B1 (en) | Method for carrying out the catalytic gas phase oxidation of propene to form acrylic acid | |
US7897813B2 (en) | Reactor for gas phase catalytic oxidation and a process for producing acrylic acid using it | |
US6994833B1 (en) | Reactor for catalytic gas phase oxidation | |
EP0351167B1 (en) | Method for production of methacrylic acid | |
EP1125911B1 (en) | Process for producing acrolein and acrylic acid | |
US5206431A (en) | Process for producing methacrylic acid | |
JPH0784400B2 (ja) | 不飽和アルデヒドおよび不飽和酸の製造方法 | |
US6969774B2 (en) | Method for producing methacrylic acid | |
EP0441312B1 (en) | Process for producing methacrylic acid | |
JP5171031B2 (ja) | 接触気相酸化用反応器およびそれを用いたアクリル酸の製造方法 | |
US7304179B2 (en) | Method for producing methacrylic acid | |
MXPA98008885A (en) | A method for the production of acid acril | |
US20080269522A1 (en) | Process for operating an exothermic heterogeneously catalyzed partial gas phase oxidation of an organic starting compound to an organic target compound |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121023 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20131022 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20141021 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20151016 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20161019 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20171018 Year of fee payment: 15 |
|
EXPY | Expiration of term |