CN108430983B - 用于丙烯的环氧化的方法和反应器 - Google Patents
用于丙烯的环氧化的方法和反应器 Download PDFInfo
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- CN108430983B CN108430983B CN201680076392.7A CN201680076392A CN108430983B CN 108430983 B CN108430983 B CN 108430983B CN 201680076392 A CN201680076392 A CN 201680076392A CN 108430983 B CN108430983 B CN 108430983B
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- cooling medium
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- reaction
- hydrogen peroxide
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- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000006735 epoxidation reaction Methods 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 182
- 239000002826 coolant Substances 0.000 claims abstract description 132
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000003054 catalyst Substances 0.000 claims abstract description 82
- 238000001816 cooling Methods 0.000 claims abstract description 82
- 238000000605 extraction Methods 0.000 claims abstract description 37
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 32
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 25
- 239000010936 titanium Substances 0.000 claims abstract description 25
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 126
- 239000002904 solvent Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 20
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 16
- 239000011541 reaction mixture Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 6
- 230000009849 deactivation Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000047 product Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 11
- 238000000895 extractive distillation Methods 0.000 description 9
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 238000004821 distillation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 150000001728 carbonyl compounds Chemical class 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000007857 hydrazones Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/12—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
-
- 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
- B01J19/2415—Tubular reactors
- B01J19/2425—Tubular reactors in parallel
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/04—Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms
-
- 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
- B01J2219/24—Stationary reactors without moving elements inside
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epoxy Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15196549.8 | 2015-11-26 | ||
EP15196549 | 2015-11-26 | ||
PCT/EP2016/076273 WO2017089076A1 (en) | 2015-11-26 | 2016-11-01 | Process and reactor for the epoxidation of propene |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108430983A CN108430983A (zh) | 2018-08-21 |
CN108430983B true CN108430983B (zh) | 2022-02-22 |
Family
ID=54782457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680076392.7A Active CN108430983B (zh) | 2015-11-26 | 2016-11-01 | 用于丙烯的环氧化的方法和反应器 |
Country Status (12)
Country | Link |
---|---|
US (1) | US10214504B2 (zh) |
EP (1) | EP3380460B1 (zh) |
KR (1) | KR102648943B1 (zh) |
CN (1) | CN108430983B (zh) |
AR (1) | AR106812A1 (zh) |
EA (1) | EA035520B1 (zh) |
ES (1) | ES2873407T3 (zh) |
HU (1) | HUE054720T2 (zh) |
MY (1) | MY185640A (zh) |
PL (1) | PL3380460T3 (zh) |
TW (1) | TW201731588A (zh) |
WO (1) | WO2017089076A1 (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10428035B2 (en) | 2015-11-26 | 2019-10-01 | Evonik Degussa Gmbh | Process for the epoxidation of an olefin |
TWI707847B (zh) | 2015-11-26 | 2020-10-21 | 德商贏創運營有限公司 | 丙烯之環氧化方法 |
US10676450B2 (en) | 2016-01-19 | 2020-06-09 | Evonik Operations Gmbh | Process for the epoxidation of an olefin |
ES2837144T3 (es) | 2016-03-21 | 2021-06-29 | Evonik Degussa Gmbh | Procedimiento para la epoxidación de propeno |
EP3246323A1 (en) | 2016-05-17 | 2017-11-22 | Evonik Degussa GmbH | Integrated process for making propene oxide from propane |
EP3406603A1 (en) | 2017-05-22 | 2018-11-28 | Evonik Degussa GmbH | Process for the epoxidation of propene |
CN107855078B (zh) * | 2017-12-19 | 2024-06-28 | 常州瑞华化工工程技术股份有限公司 | 一种用于烯烃与氢过氧化物环氧化的等温绝热反应器 |
KR102630171B1 (ko) | 2018-07-20 | 2024-01-26 | 엘지디스플레이 주식회사 | 터치 센서를 구비하는 표시장치 |
CN109289721B (zh) * | 2018-10-12 | 2021-07-16 | 胜帮科技股份有限公司 | 一种hppo法制备环氧丙烷中快速取走反应热的装置及方法 |
CN109289713B (zh) * | 2018-10-18 | 2021-04-20 | 辽宁石油化工大学 | 一种蚊香盘管等温反应器及使用方法 |
EP4288420A1 (en) | 2021-02-03 | 2023-12-13 | Evonik Operations GmbH | Process for the epoxidation of propene |
EP4063355A1 (en) | 2021-03-22 | 2022-09-28 | Evonik Operations GmbH | Integrated process and plant for making styrene and propene oxide |
WO2022238145A1 (en) | 2021-05-10 | 2022-11-17 | Evonik Operations Gmbh | An integrated plant and an integrated process for making propene oxide |
CN114733449A (zh) * | 2022-05-09 | 2022-07-12 | 上海簇睿低碳能源技术有限公司 | 一种基于ts-1整构催化剂的丙烯环氧化制环氧丙烷反应装置与工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0659473A1 (en) * | 1993-12-20 | 1995-06-28 | ARCO Chemical Technology, L.P. | Catalytic converter and method for highly exothermic reactions |
CN1541212A (zh) * | 2001-08-15 | 2004-10-27 | 乌德股份有限公司 | 环氧化烯烃的方法 |
CN1809547A (zh) * | 2003-06-18 | 2006-07-26 | 德古萨股份公司 | 丙烯环氧化的方法 |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4308409A (en) | 1978-10-03 | 1981-12-29 | Gulf Research & Development Company | Preparation of propylene glycol from propylene |
US5274140A (en) | 1979-07-19 | 1993-12-28 | Instituto Guido Donegani, S.P.A. | Process for catalytically epoxidizing olefin with hydrogen peroxide |
IT1152299B (it) | 1982-07-28 | 1986-12-31 | Anic Spa | Procedimento per l'espossidazione di composti olefinici |
DE3780476T2 (de) | 1986-01-28 | 1992-12-17 | Enichem Sintesi | Verfahren zur epoxydation von olefinischen verbindungen. |
DE19507584C2 (de) | 1995-03-04 | 1997-06-12 | Geesthacht Gkss Forschung | Strahlenchemisch modifizierte Silikonkompositmembran für die Ultrafiltration |
US5591875A (en) | 1995-08-02 | 1997-01-07 | Chang; Te | Epoxidation Process |
BE1011577A3 (fr) | 1997-11-27 | 1999-11-09 | Solvay | Catalyseur d'epoxydation, son utilisation et procede d'epoxydation en presence de catalyseur. |
DE19936547A1 (de) | 1999-08-04 | 2001-02-15 | Basf Ag | Verfahren zur Umsetzung einer organischen Verbindung mit einem Hydroperoxid |
DE19944839A1 (de) | 1999-09-18 | 2001-03-22 | Degussa | Verfahren zur Herstellung von Epoxiden aus Olefinen |
DE10052323A1 (de) | 2000-10-21 | 2002-05-02 | Degussa | Kontinierliches Verfahren zur Hydrierung |
EP1247806A1 (en) | 2001-03-05 | 2002-10-09 | Degussa AG | Process for the epoxidation of olefins |
EP1247805A1 (en) * | 2001-03-05 | 2002-10-09 | Degussa AG | Process for the epoxidation of olefins |
EP1293505A1 (en) | 2001-08-22 | 2003-03-19 | Degussa AG | Process for the epoxidation of olefins |
US6596883B2 (en) | 2001-08-23 | 2003-07-22 | Degussa Ag | Process for the epoxidation of olefins |
EP1359148A1 (en) | 2002-05-02 | 2003-11-05 | Degussa AG | Process for the epoxidation of olefins |
DE10233385A1 (de) | 2002-07-23 | 2004-02-12 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Propylenglykolen |
US6914167B2 (en) | 2002-08-26 | 2005-07-05 | Arco Chemical Technology, L.P. | Vent recovery system |
DE10249378A1 (de) | 2002-10-23 | 2004-05-06 | Basf Ag | Verfahren zur kontinuierlichen Rückführung des bei der Oxidation von Olefinen mit Hydroperoxiden nicht umgesetzten Olefins mittels Verdichtung und Druckdestillation |
TW200410921A (en) | 2002-11-25 | 2004-07-01 | Hoffmann La Roche | Mandelic acid derivatives |
EP1424331A1 (en) * | 2002-11-26 | 2004-06-02 | Degussa AG | Process for the epoxidation of olefins |
EP1424332A1 (en) | 2002-11-26 | 2004-06-02 | Degussa AG | Process for the purification of crude propene oxide |
DE10341896A1 (de) * | 2003-09-10 | 2005-04-14 | Uhde Gmbh | Mehrphasen-Flüssigkeitsverteiler für einen Rieselbettreaktor |
DE102004003003A1 (de) * | 2004-01-20 | 2005-09-01 | Basf Ag | Verfahren und Vorrichtung zur kontinuierlichen Herstellung einer chemischen Verbindung |
US7223876B2 (en) | 2004-04-21 | 2007-05-29 | Basf Aktiengesellschaft | Method of separating an olefin from a gas stream |
DE102005031703B3 (de) | 2005-07-05 | 2007-01-11 | Gkss-Forschungszentrum Geesthacht Gmbh | Kompositmembran |
DE102007024029A1 (de) | 2007-05-22 | 2008-11-27 | Evonik Degussa Gmbh | Mehrphasen-Reaktorsumpf |
CL2009000939A1 (es) | 2008-04-30 | 2010-10-01 | Evonik Degussa Gmbh | Proceso para recuperar molibdato o tungstato desde una solucion acuosa que comprende a) contactar la solucion con un material portador inorganico cationizado e insoluble en agua, b) separar el material portador de molibdato o tungstato, c) contactarlo con una solucion acuosa con un ph entre 6 a 14 y d) separar el material saturado. |
EP2343288A1 (en) | 2009-11-27 | 2011-07-13 | Momentive Specialty Chemicals Research Belgium S.A. | Process for the manufacture of propylene oxide |
DE102009047351A1 (de) | 2009-12-01 | 2011-06-09 | Evonik Goldschmidt Gmbh | Komposit-Siliconmembranen mit hoher Trennwirkung |
DE102012200990A1 (de) | 2012-01-24 | 2013-07-25 | Evonik Industries Ag | Verfahren zur Rückgewinnung von Molybdat bei einer mit Molybdat katalysierten Delignifizierung von Zellstoff mit Wasserstoffperoxid |
HUE047662T2 (hu) | 2014-07-29 | 2020-05-28 | Evonik Operations Gmbh | Eljárás olefin epoxidálására |
CN107428711A (zh) | 2015-01-14 | 2017-12-01 | 赢创德固赛有限公司 | 制备环氧丙烯和烷基叔丁基醚的集成方法 |
WO2016113185A1 (en) | 2015-01-14 | 2016-07-21 | Evonik Degussa Gmbh | Integrated process for making propene oxide and an alkyl tert-butyl ether |
PL3259258T3 (pl) | 2015-02-17 | 2021-05-04 | Evonik Operations Gmbh | Sposób epoksydacji olefiny nadtlenkiem wodoru |
TW201700464A (zh) | 2015-02-17 | 2017-01-01 | 贏創德固賽有限責任公司 | 使用過氧化氫之使烯烴環氧化方法 |
EP3059230A1 (en) | 2015-02-17 | 2016-08-24 | Evonik Degussa GmbH | Method for the epoxidation of propene with hydrogen peroxide |
EP3059229A1 (en) | 2015-02-17 | 2016-08-24 | Evonik Degussa GmbH | Method for the epoxidation of an olefin with hydrogen peroxide |
EA031789B1 (ru) | 2015-04-28 | 2019-02-28 | Эвоник Дегусса Гмбх | Способ эпоксидирования пропена |
-
2016
- 2016-11-01 PL PL16791560T patent/PL3380460T3/pl unknown
- 2016-11-01 ES ES16791560T patent/ES2873407T3/es active Active
- 2016-11-01 US US15/778,318 patent/US10214504B2/en active Active
- 2016-11-01 EP EP16791560.2A patent/EP3380460B1/en active Active
- 2016-11-01 HU HUE16791560A patent/HUE054720T2/hu unknown
- 2016-11-01 MY MYPI2018702004A patent/MY185640A/en unknown
- 2016-11-01 EA EA201891216A patent/EA035520B1/ru not_active IP Right Cessation
- 2016-11-01 WO PCT/EP2016/076273 patent/WO2017089076A1/en active Application Filing
- 2016-11-01 KR KR1020187017738A patent/KR102648943B1/ko active IP Right Grant
- 2016-11-01 CN CN201680076392.7A patent/CN108430983B/zh active Active
- 2016-11-23 TW TW105138445A patent/TW201731588A/zh unknown
- 2016-11-25 AR ARP160103607A patent/AR106812A1/es unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0659473A1 (en) * | 1993-12-20 | 1995-06-28 | ARCO Chemical Technology, L.P. | Catalytic converter and method for highly exothermic reactions |
CN1541212A (zh) * | 2001-08-15 | 2004-10-27 | 乌德股份有限公司 | 环氧化烯烃的方法 |
CN1809547A (zh) * | 2003-06-18 | 2006-07-26 | 德古萨股份公司 | 丙烯环氧化的方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2017089076A1 (en) | 2017-06-01 |
KR20180084990A (ko) | 2018-07-25 |
TW201731588A (zh) | 2017-09-16 |
US20180370934A1 (en) | 2018-12-27 |
MY185640A (en) | 2021-05-27 |
HUE054720T2 (hu) | 2021-09-28 |
PL3380460T3 (pl) | 2021-11-08 |
US10214504B2 (en) | 2019-02-26 |
AR106812A1 (es) | 2018-02-21 |
ES2873407T3 (es) | 2021-11-03 |
CN108430983A (zh) | 2018-08-21 |
EP3380460B1 (en) | 2021-04-21 |
EA201891216A1 (ru) | 2018-12-28 |
EA035520B1 (ru) | 2020-06-29 |
EP3380460A1 (en) | 2018-10-03 |
KR102648943B1 (ko) | 2024-03-18 |
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Address after: Essen, Germany Applicant after: Evonik Operations Ltd. Applicant after: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG Address before: Essen, Germany Applicant before: EVONIK DEGUSSA GmbH Applicant before: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG |
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Effective date of registration: 20240313 Address after: essen Patentee after: Evonik Operations Ltd. Country or region after: Germany Patentee after: UHDE GmbH Address before: essen Patentee before: Evonik Operations Ltd. Country or region before: Germany Patentee before: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG |