CN114829347A - 在避免聚合物沉积的同时在气相中生产1,4-丁二醇、γ-丁内酯和四氢呋喃的方法 - Google Patents
在避免聚合物沉积的同时在气相中生产1,4-丁二醇、γ-丁内酯和四氢呋喃的方法 Download PDFInfo
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- CN114829347A CN114829347A CN202080085262.6A CN202080085262A CN114829347A CN 114829347 A CN114829347 A CN 114829347A CN 202080085262 A CN202080085262 A CN 202080085262A CN 114829347 A CN114829347 A CN 114829347A
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- catalyst
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- noble metal
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- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 title claims abstract description 77
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 title claims abstract description 76
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 title claims abstract description 38
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229920000642 polymer Polymers 0.000 title abstract description 13
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 249
- 238000000034 method Methods 0.000 claims abstract description 58
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 58
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 56
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000001257 hydrogen Substances 0.000 claims abstract description 24
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 24
- 238000004821 distillation Methods 0.000 claims abstract description 6
- 238000005984 hydrogenation reaction Methods 0.000 claims description 56
- 239000010949 copper Substances 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 35
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 32
- 150000005690 diesters Chemical class 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 25
- -1 argillaceous earth Chemical compound 0.000 claims description 24
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 15
- 229910052763 palladium Inorganic materials 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 150000002894 organic compounds Chemical class 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 239000005751 Copper oxide Substances 0.000 claims description 3
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 3
- JGDFBJMWFLXCLJ-UHFFFAOYSA-N copper chromite Chemical compound [Cu]=O.[Cu]=O.O=[Cr]O[Cr]=O JGDFBJMWFLXCLJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000431 copper oxide Inorganic materials 0.000 claims description 3
- 229910052752 metalloid Inorganic materials 0.000 claims description 3
- 150000002738 metalloids Chemical class 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 230000008021 deposition Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 60
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 22
- 239000000047 product Substances 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 19
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 18
- 239000011976 maleic acid Substances 0.000 description 18
- MUXOBHXGJLMRAB-UHFFFAOYSA-N Dimethyl succinate Chemical compound COC(=O)CCC(=O)OC MUXOBHXGJLMRAB-UHFFFAOYSA-N 0.000 description 16
- 230000002378 acidificating effect Effects 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 11
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 9
- 150000002148 esters Chemical class 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 230000032050 esterification Effects 0.000 description 7
- 238000005886 esterification reaction Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000001384 succinic acid Substances 0.000 description 6
- LDCRTTXIJACKKU-ARJAWSKDSA-N dimethyl maleate Chemical compound COC(=O)\C=C/C(=O)OC LDCRTTXIJACKKU-ARJAWSKDSA-N 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 4
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 4
- CXBDYQVECUFKRK-UHFFFAOYSA-N 1-methoxybutane Chemical compound CCCCOC CXBDYQVECUFKRK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Natural products OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 3
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- NKHAVTQWNUWKEO-UHFFFAOYSA-N fumaric acid monomethyl ester Natural products COC(=O)C=CC(O)=O NKHAVTQWNUWKEO-UHFFFAOYSA-N 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 150000002688 maleic acid derivatives Chemical class 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 150000003900 succinic acid esters Chemical class 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- PIAOXUVIBAKVSP-UHFFFAOYSA-N γ-hydroxybutyraldehyde Chemical compound OCCCC=O PIAOXUVIBAKVSP-UHFFFAOYSA-N 0.000 description 2
- IEPRKVQEAMIZSS-UHFFFAOYSA-N Di-Et ester-Fumaric acid Natural products CCOC(=O)C=CC(=O)OCC IEPRKVQEAMIZSS-UHFFFAOYSA-N 0.000 description 1
- IEPRKVQEAMIZSS-WAYWQWQTSA-N Diethyl maleate Chemical compound CCOC(=O)\C=C/C(=O)OCC IEPRKVQEAMIZSS-WAYWQWQTSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- NKHAVTQWNUWKEO-IHWYPQMZSA-N methyl hydrogen fumarate Chemical compound COC(=O)\C=C/C(O)=O NKHAVTQWNUWKEO-IHWYPQMZSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- NKHAVTQWNUWKEO-NSCUHMNNSA-N monomethyl fumarate Chemical compound COC(=O)\C=C\C(O)=O NKHAVTQWNUWKEO-NSCUHMNNSA-N 0.000 description 1
- 229940005650 monomethyl fumarate Drugs 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 238000010518 undesired secondary reaction Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/207—1,4-Butanediol; 1,3-Butanediol; 1,2-Butanediol; 2,3-Butanediol
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D307/08—Preparation of tetrahydrofuran
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19214683.5 | 2019-12-10 | ||
| EP19214683 | 2019-12-10 | ||
| PCT/EP2020/083857 WO2021115813A1 (de) | 2019-12-10 | 2020-11-30 | Verfahren zur herstellung von 1,4-butandiol, gamma-butyrolacton und tetrahydrofuran in der gasphase unter vermeidung von polymeren ablagerungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114829347A true CN114829347A (zh) | 2022-07-29 |
Family
ID=68847964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080085262.6A Pending CN114829347A (zh) | 2019-12-10 | 2020-11-30 | 在避免聚合物沉积的同时在气相中生产1,4-丁二醇、γ-丁内酯和四氢呋喃的方法 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4073052A1 (ko) |
| KR (1) | KR20220110820A (ko) |
| CN (1) | CN114829347A (ko) |
| WO (1) | WO2021115813A1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539191B (zh) * | 2022-03-22 | 2023-09-05 | 滨州裕能化工有限公司 | 一种顺酐马来酐加氢和1,4丁二醇脱氢耦合法制备gbl的方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986003189A1 (en) * | 1984-11-21 | 1986-06-05 | Davy Mckee (London) Limited | Process for the production of butane-1,4-diol |
| WO1991001960A1 (en) * | 1989-08-04 | 1991-02-21 | Davy Mckee (London) Limited | Process |
| WO1999035113A2 (en) * | 1998-01-08 | 1999-07-15 | Pantochim S.A. | A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol |
| EP1108702A1 (en) * | 1999-12-13 | 2001-06-20 | Kvaerner Process Technology Limited | Process for the co-production of aliphatic diols and cyclic ethers |
| WO2005058855A1 (en) * | 2003-12-16 | 2005-06-30 | Davy Process Technology Limited | Process for the production of ethers |
| EP2004590A1 (de) * | 2006-04-04 | 2008-12-24 | Basf Se | Verfahren zur herstellung eines carbonsäurealkylesters |
| CN101891592A (zh) * | 2010-08-12 | 2010-11-24 | 湖南长岭石化科技开发有限公司 | 一种制备1,4-丁二醇并联产四氢呋喃和γ-丁内酯的方法 |
-
2020
- 2020-11-30 EP EP20811680.6A patent/EP4073052A1/de active Pending
- 2020-11-30 WO PCT/EP2020/083857 patent/WO2021115813A1/de active Application Filing
- 2020-11-30 KR KR1020227023161A patent/KR20220110820A/ko active Search and Examination
- 2020-11-30 CN CN202080085262.6A patent/CN114829347A/zh active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986003189A1 (en) * | 1984-11-21 | 1986-06-05 | Davy Mckee (London) Limited | Process for the production of butane-1,4-diol |
| WO1991001960A1 (en) * | 1989-08-04 | 1991-02-21 | Davy Mckee (London) Limited | Process |
| WO1999035113A2 (en) * | 1998-01-08 | 1999-07-15 | Pantochim S.A. | A process for the production of tetrahydrofuran, gammabutyrolactone and butanediol |
| EP1108702A1 (en) * | 1999-12-13 | 2001-06-20 | Kvaerner Process Technology Limited | Process for the co-production of aliphatic diols and cyclic ethers |
| WO2001044148A1 (en) * | 1999-12-13 | 2001-06-21 | Davy Process Technology Ltd | Process for the co-production of aliphatic diols and cyclic ethers |
| WO2005058855A1 (en) * | 2003-12-16 | 2005-06-30 | Davy Process Technology Limited | Process for the production of ethers |
| EP2004590A1 (de) * | 2006-04-04 | 2008-12-24 | Basf Se | Verfahren zur herstellung eines carbonsäurealkylesters |
| CN101891592A (zh) * | 2010-08-12 | 2010-11-24 | 湖南长岭石化科技开发有限公司 | 一种制备1,4-丁二醇并联产四氢呋喃和γ-丁内酯的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021115813A1 (de) | 2021-06-17 |
| KR20220110820A (ko) | 2022-08-09 |
| EP4073052A1 (de) | 2022-10-19 |
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