DE69431528T2 - Verfahren zur herstellung von trioxan aus formaldehyd - Google Patents
Verfahren zur herstellung von trioxan aus formaldehydInfo
- Publication number
- DE69431528T2 DE69431528T2 DE69431528T DE69431528T DE69431528T2 DE 69431528 T2 DE69431528 T2 DE 69431528T2 DE 69431528 T DE69431528 T DE 69431528T DE 69431528 T DE69431528 T DE 69431528T DE 69431528 T2 DE69431528 T2 DE 69431528T2
- Authority
- DE
- Germany
- Prior art keywords
- formaldehyde
- producing trioxane
- trioxane
- producing
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
- C07D323/04—Six-membered rings
- C07D323/06—Trioxane
-
- 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
- B01J8/0446—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 flow within the beds being predominantly vertical
- B01J8/0476—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 flow within the beds being predominantly vertical in two or more otherwise shaped beds
- B01J8/048—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 flow within the beds being predominantly vertical in two or more otherwise shaped beds the beds being superimposed one above the other
-
- 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
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/162,689 US5767294A (en) | 1993-02-17 | 1993-12-06 | Process for the production of trioxane from formaldehyde |
PCT/US1994/014008 WO1995015960A1 (en) | 1993-12-06 | 1994-12-06 | Process for the production of trioxane from formaldehyde |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69431528D1 DE69431528D1 (de) | 2002-11-14 |
DE69431528T2 true DE69431528T2 (de) | 2003-02-13 |
Family
ID=22586716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69431528T Expired - Fee Related DE69431528T2 (de) | 1993-12-06 | 1994-12-06 | Verfahren zur herstellung von trioxan aus formaldehyd |
Country Status (11)
Country | Link |
---|---|
US (1) | US5767294A (de) |
EP (1) | EP0733050B1 (de) |
JP (1) | JP3859701B2 (de) |
KR (1) | KR100373955B1 (de) |
CN (1) | CN1070858C (de) |
BR (1) | BR9408251A (de) |
CA (1) | CA2176581A1 (de) |
DE (1) | DE69431528T2 (de) |
SG (1) | SG48165A1 (de) |
TW (1) | TW268004B (de) |
WO (1) | WO1995015960A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19732291A1 (de) * | 1997-07-26 | 1999-01-28 | Basf Ag | Verfahren zur Abtrennung von Trioxan |
DE102008007314A1 (de) * | 2008-02-02 | 2009-08-06 | Merck Patent Gmbh | Verfahren zur Herstellung von 3,6-Dihydro-1,3,5-triazinderivaten |
CN101975838B (zh) * | 2010-09-16 | 2012-10-03 | 上海蓝星聚甲醛有限公司 | 三聚甲醛聚合反应器内总酸、硫酸及甲酸含量的测定方法 |
EP2782906B1 (de) | 2011-11-24 | 2019-05-22 | Celanese Sales Germany GmbH | Verfahren zur herstellung eines cyclischen acetals |
FR3024729B1 (fr) * | 2014-08-07 | 2018-09-07 | Arkema France | Procede de preparation du trioxane |
CN107417662A (zh) * | 2017-07-03 | 2017-12-01 | 湖北三里枫香科技有限公司 | 一种液体酸型三聚甲醛生产工艺方法及萃取反应塔 |
CN107474036A (zh) * | 2017-07-03 | 2017-12-15 | 湖北三里枫香科技有限公司 | 一种三聚甲醛生产工艺方法及萃取反应塔 |
CN111971276A (zh) | 2018-03-29 | 2020-11-20 | 塞拉尼斯销售德国有限公司 | 在非均相反应体系中生产环状缩醛的方法 |
CN108395422A (zh) * | 2018-05-16 | 2018-08-14 | 凯瑞环保科技股份有限公司 | 一种三聚甲醛的合成萃取方法及装置 |
CN111859595B (zh) * | 2019-04-16 | 2024-04-26 | 左益玮 | 一种基于多组分多参数动态模型的室内装修甲醛浓度及其衰减的预测方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US432644A (en) * | 1890-07-22 | Current and switch controlling mechanism | ||
DE1493997C3 (de) * | 1964-11-28 | 1973-11-08 | Fa. Josef Meissner, 5000 Koeln | Verfahren zur Herstellung von Trioxan |
DE1919495A1 (de) * | 1969-04-17 | 1970-10-29 | Basf Ag | Verfahren zur Herstellung von Trioxan |
US3697546A (en) * | 1970-01-14 | 1972-10-10 | Japan Gas Chemical Co | Method of producing trioxan |
CA952132A (en) * | 1970-11-12 | 1974-07-30 | Jacob Gorla Minore Ackermann | Method of purifying polymerizable organic substances |
US4026873A (en) * | 1973-04-21 | 1977-05-31 | Agency Of Industrial Science & Technology | Needle-like crystals of polyoxymethylene and method for manufacture thereof |
US4043873A (en) * | 1973-06-15 | 1977-08-23 | Societa' Italiana Resine S.I.R. S.P.A. | Plural stage recovery of trioxane in a process having a molecular distillation step |
US4110298A (en) * | 1976-08-30 | 1978-08-29 | Celanese Corporation | Trioxane production |
DE2843468A1 (de) * | 1978-10-05 | 1980-04-24 | Hoechst Ag | Verfahren zur gleichzeitigen herstellung von trioxan und cyclischen formalen |
DE2912767A1 (de) * | 1979-03-30 | 1980-10-09 | Hoechst Ag | Verfahren zur kontinuierlichen herstellung von trioxan |
JPS56118079A (en) * | 1980-02-22 | 1981-09-16 | Asahi Chem Ind Co Ltd | Synthesis of trioxane |
JPS57179182A (en) * | 1981-04-27 | 1982-11-04 | Asahi Chem Ind Co Ltd | Recovering method of trioxane |
US4332644A (en) * | 1981-06-08 | 1982-06-01 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for separating trioxane |
DE3421300A1 (de) * | 1984-06-08 | 1985-12-12 | Hoechst Ag, 6230 Frankfurt | Verfahren zur gewinnung von trioxan aus waessrigen loesungen durch hochdruck-extraktion |
DE3445921A1 (de) * | 1984-12-17 | 1986-06-19 | Hoechst Ag, 6230 Frankfurt | Verfahren zur kontinuierlichen herstellung von trioxan |
US5061349A (en) * | 1988-12-20 | 1991-10-29 | Kueppenbender Herbert | Method of isolating trioxane from aqueous trioxane solutions by distillative separation |
JP2872344B2 (ja) * | 1990-04-27 | 1999-03-17 | セントラル硝子株式会社 | アモルファス材料の形成法およびその装置 |
-
1993
- 1993-12-06 US US08/162,689 patent/US5767294A/en not_active Expired - Lifetime
-
1994
- 1994-11-16 TW TW083110626A patent/TW268004B/zh active
- 1994-12-06 KR KR1019960702976A patent/KR100373955B1/ko not_active IP Right Cessation
- 1994-12-06 DE DE69431528T patent/DE69431528T2/de not_active Expired - Fee Related
- 1994-12-06 CA CA002176581A patent/CA2176581A1/en not_active Abandoned
- 1994-12-06 JP JP51628595A patent/JP3859701B2/ja not_active Expired - Fee Related
- 1994-12-06 BR BR9408251A patent/BR9408251A/pt not_active IP Right Cessation
- 1994-12-06 EP EP95904247A patent/EP0733050B1/de not_active Expired - Lifetime
- 1994-12-06 WO PCT/US1994/014008 patent/WO1995015960A1/en active IP Right Grant
- 1994-12-06 CN CN94194404A patent/CN1070858C/zh not_active Expired - Fee Related
- 1994-12-06 SG SG1996007521A patent/SG48165A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1070858C (zh) | 2001-09-12 |
SG48165A1 (en) | 1998-04-17 |
EP0733050A1 (de) | 1996-09-25 |
JPH09506105A (ja) | 1997-06-17 |
CN1136812A (zh) | 1996-11-27 |
EP0733050A4 (de) | 1997-05-02 |
WO1995015960A1 (en) | 1995-06-15 |
KR960706487A (ko) | 1996-12-09 |
US5767294A (en) | 1998-06-16 |
KR100373955B1 (ko) | 2003-10-04 |
TW268004B (de) | 1996-01-11 |
BR9408251A (pt) | 1997-05-27 |
EP0733050B1 (de) | 2002-10-09 |
JP3859701B2 (ja) | 2006-12-20 |
DE69431528D1 (de) | 2002-11-14 |
CA2176581A1 (en) | 1995-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: VONNEMANN, KLOIBER & KOLLEGEN, 80796 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |