SA515360073B1 - طريقة لتنقية أسيتونيتريل - Google Patents
طريقة لتنقية أسيتونيتريل Download PDFInfo
- Publication number
- SA515360073B1 SA515360073B1 SA515360073A SA515360073A SA515360073B1 SA 515360073 B1 SA515360073 B1 SA 515360073B1 SA 515360073 A SA515360073 A SA 515360073A SA 515360073 A SA515360073 A SA 515360073A SA 515360073 B1 SA515360073 B1 SA 515360073B1
- Authority
- SA
- Saudi Arabia
- Prior art keywords
- column
- acetonitrile
- line
- reaction
- reaction vessel
- Prior art date
Links
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 title claims abstract description 520
- 238000000034 method Methods 0.000 title claims abstract description 41
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 125
- 238000006243 chemical reaction Methods 0.000 claims abstract description 124
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000003513 alkali Substances 0.000 claims abstract description 49
- 238000009835 boiling Methods 0.000 claims description 52
- 239000000243 solution Substances 0.000 claims description 47
- 230000018044 dehydration Effects 0.000 claims description 45
- 238000006297 dehydration reaction Methods 0.000 claims description 45
- 238000000746 purification Methods 0.000 claims description 38
- 238000004821 distillation Methods 0.000 claims description 29
- 239000008346 aqueous phase Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- HCUOEKSZWPGJIM-YBRHCDHNSA-N (e,2e)-2-hydroxyimino-6-methoxy-4-methyl-5-nitrohex-3-enamide Chemical compound COCC([N+]([O-])=O)\C(C)=C\C(=N/O)\C(N)=O HCUOEKSZWPGJIM-YBRHCDHNSA-N 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 235000011054 acetic acid Nutrition 0.000 description 37
- 229960000583 acetic acid Drugs 0.000 description 37
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 33
- 239000007788 liquid Substances 0.000 description 33
- 238000000926 separation method Methods 0.000 description 31
- 239000000047 product Substances 0.000 description 28
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 24
- 238000010494 dissociation reaction Methods 0.000 description 24
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 22
- 230000005593 dissociations Effects 0.000 description 21
- 230000036571 hydration Effects 0.000 description 21
- 238000006703 hydration reaction Methods 0.000 description 21
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 18
- 239000012141 concentrate Substances 0.000 description 17
- 239000012535 impurity Substances 0.000 description 17
- 238000004065 wastewater treatment Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 16
- 239000012071 phase Substances 0.000 description 14
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 239000011259 mixed solution Substances 0.000 description 10
- 239000011734 sodium Substances 0.000 description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 9
- 238000009833 condensation Methods 0.000 description 9
- 229910052708 sodium Inorganic materials 0.000 description 9
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 7
- -1 acetic acid Chemical class 0.000 description 7
- 239000012670 alkaline solution Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 230000002401 inhibitory effect Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
- RFUGMORVSDZBLC-UHFFFAOYSA-N [Na].CC(N)=O Chemical compound [Na].CC(N)=O RFUGMORVSDZBLC-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000018459 dissociative disease Diseases 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- IAHFWCOBPZCAEA-UHFFFAOYSA-N succinonitrile Chemical compound N#CCCC#N IAHFWCOBPZCAEA-UHFFFAOYSA-N 0.000 description 3
- 230000006820 DNA synthesis Effects 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- 238000000895 extractive distillation Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 210000004013 groin Anatomy 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000012450 pharmaceutical intermediate Substances 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- NKKMVIVFRUYPLQ-IHWYPQMZSA-N (z)-but-2-enenitrile Chemical compound C\C=C/C#N NKKMVIVFRUYPLQ-IHWYPQMZSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 235000009581 Balanites aegyptiaca Nutrition 0.000 description 1
- IBQHDRMOCNLKTJ-UHFFFAOYSA-N C#N.C=CC#N Chemical compound C#N.C=CC#N IBQHDRMOCNLKTJ-UHFFFAOYSA-N 0.000 description 1
- CSVLYDDDOZKYMO-UHFFFAOYSA-N CC(=O)C.CC(C#N)=C Chemical compound CC(=O)C.CC(C#N)=C CSVLYDDDOZKYMO-UHFFFAOYSA-N 0.000 description 1
- 206010016803 Fluid overload Diseases 0.000 description 1
- 240000008415 Lactuca sativa Species 0.000 description 1
- 241000234435 Lilium Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 244000191761 Sida cordifolia Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- KGDVNDJYTZAHPE-UHFFFAOYSA-N acetonitrile formonitrile Chemical compound C#N.C(C)#N KGDVNDJYTZAHPE-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- YBCVMFKXIKNREZ-UHFFFAOYSA-N acoh acetic acid Chemical compound CC(O)=O.CC(O)=O YBCVMFKXIKNREZ-UHFFFAOYSA-N 0.000 description 1
- 244000245420 ail Species 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- NKKMVIVFRUYPLQ-NSCUHMNNSA-N crotononitrile Chemical compound C\C=C\C#N NKKMVIVFRUYPLQ-NSCUHMNNSA-N 0.000 description 1
- XZSPDZZPOWEABC-UHFFFAOYSA-N cyanide Chemical compound N#[C-].N#[C-] XZSPDZZPOWEABC-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- RGCLLPNLLBQHPF-HJWRWDBZSA-N phosphamidon Chemical compound CCN(CC)C(=O)C(\Cl)=C(/C)OP(=O)(OC)OC RGCLLPNLLBQHPF-HJWRWDBZSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- JTXAHXNXKFGXIT-UHFFFAOYSA-N propane;prop-1-ene Chemical compound CCC.CC=C JTXAHXNXKFGXIT-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000012045 salad Nutrition 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
- C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/02—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
- C07C255/03—Mononitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012192215 | 2012-08-31 | ||
| PCT/JP2013/072323 WO2014034500A1 (ja) | 2012-08-31 | 2013-08-21 | アセトニトリルの精製方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SA515360073B1 true SA515360073B1 (ar) | 2016-02-13 |
Family
ID=50183315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SA515360073A SA515360073B1 (ar) | 2012-08-31 | 2015-02-26 | طريقة لتنقية أسيتونيتريل |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP6038157B2 (cs) |
| KR (1) | KR101779678B1 (cs) |
| CN (1) | CN104603101B (cs) |
| IN (1) | IN2015DN01264A (cs) |
| SA (1) | SA515360073B1 (cs) |
| SG (1) | SG11201501216XA (cs) |
| TW (1) | TWI488834B (cs) |
| WO (1) | WO2014034500A1 (cs) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058994B (zh) * | 2014-07-02 | 2016-07-06 | 中国计量科学研究院 | 高纯乙腈及其制备方法和装置 |
| CN104193651B (zh) * | 2014-08-15 | 2017-01-18 | 江苏九天高科技股份有限公司 | 一种用于醋酸氨化合成乙腈的精制方法及装置 |
| TWI740840B (zh) * | 2015-08-26 | 2021-10-01 | 大陸商中國石油化工科技開發有限公司 | 乙腈精製方法、乙腈精製系統及酸性廢水的再利用方法 |
| CN106316882B (zh) * | 2016-07-27 | 2018-01-30 | 中国计量科学研究院 | 一种电子级乙腈的制备方法 |
| CN109374795A (zh) * | 2018-09-20 | 2019-02-22 | 福建中医药大学 | 一种降低乙腈蒸发光散射检测器噪音的方法 |
| CN119097945B (zh) * | 2023-06-07 | 2025-11-21 | 中国科学院大连化学物理研究所 | 一种含氮溶剂前驱体的精制装置和方法以及应用 |
| CN119425126B (zh) * | 2023-08-01 | 2025-11-14 | 中国科学院大连化学物理研究所 | 一种含氮化合物的精制装置和精制方法及应用 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4881816A (cs) * | 1972-02-12 | 1973-11-01 | ||
| US4308108A (en) * | 1979-03-28 | 1981-12-29 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for purification of crude acetonitrile |
| JPS55129257A (en) * | 1979-03-28 | 1980-10-06 | Asahi Chem Ind Co Ltd | Purification of acetonitrile containing hydrogen cyanide |
| JPS55153757A (en) * | 1979-05-18 | 1980-11-29 | Asahi Chem Ind Co Ltd | Purification of crude acetonitrile by dehydration |
| GB2249308B (en) * | 1990-10-30 | 1994-05-18 | G K Analytical Sciences Limite | Solvent purification |
| JP2000128847A (ja) * | 1998-10-20 | 2000-05-09 | Asahi Chem Ind Co Ltd | アルカリの再使用方法 |
| CN1102575C (zh) * | 2000-06-15 | 2003-03-05 | 中国石油化工集团公司 | 高纯乙腈精制中微量氢氰酸脱除方法 |
| WO2006121081A1 (ja) * | 2005-05-10 | 2006-11-16 | Asahi Kasei Chemicals Corporation | 高純度アセトニトリル及びその製造方法 |
-
2013
- 2013-08-21 IN IN1264DEN2015 patent/IN2015DN01264A/en unknown
- 2013-08-21 CN CN201380045429.6A patent/CN104603101B/zh active Active
- 2013-08-21 SG SG11201501216XA patent/SG11201501216XA/en unknown
- 2013-08-21 JP JP2014532954A patent/JP6038157B2/ja active Active
- 2013-08-21 KR KR1020157002483A patent/KR101779678B1/ko active Active
- 2013-08-21 WO PCT/JP2013/072323 patent/WO2014034500A1/ja not_active Ceased
- 2013-08-29 TW TW102131116A patent/TWI488834B/zh active
-
2015
- 2015-02-26 SA SA515360073A patent/SA515360073B1/ar unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014034500A1 (ja) | 2014-03-06 |
| JPWO2014034500A1 (ja) | 2016-08-08 |
| TWI488834B (zh) | 2015-06-21 |
| JP6038157B2 (ja) | 2016-12-07 |
| TW201414706A (zh) | 2014-04-16 |
| KR20150027281A (ko) | 2015-03-11 |
| KR101779678B1 (ko) | 2017-09-18 |
| IN2015DN01264A (cs) | 2015-07-03 |
| CN104603101A (zh) | 2015-05-06 |
| SG11201501216XA (en) | 2015-05-28 |
| CN104603101B (zh) | 2017-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SA515360073B1 (ar) | طريقة لتنقية أسيتونيتريل | |
| JP6143744B2 (ja) | アセトニトリルの精製方法 | |
| ES2757562T3 (es) | Proceso para producir ácido acético | |
| US10486080B2 (en) | Distillation device | |
| EP2079718B1 (de) | Verfahren zur kontinuierlichen destillativen auftrennung von gemischen enthaltend morpholin (mo), monoaminodiglykol (adg), ammoniak und wasser | |
| EP2077990B1 (de) | Verfahren zur kontinuierlichen destillativen auftrennung von gemischen enthaltend morpholin (mo), monoaminodiglykol (adg), ammoniak und wasser | |
| JP2013533869A (ja) | ギ酸の製造方法 | |
| JP5200023B2 (ja) | モルホリン（ｍｏ）、モノアミノジグリコール（ａｄｇ）、アンモニア及び水を含有する混合物を連続的に蒸留により分離するための方法 | |
| CN109704990B (zh) | 高纯乙腈的精制方法 | |
| CN112390705B (zh) | 一种1,3-丁二醇脱味的纯化方法 | |
| CN103998409B (zh) | 制备甲酸的方法 | |
| BR112013026747B1 (pt) | processo de nitração à alta pressão | |
| US20160083340A1 (en) | Method of purifying dimethyl sulfoxide | |
| JP7305661B2 (ja) | モルホリン（ｍｏ）、モノアミノジグリコール（ａｄｇ）、アンモニア、水およびメトキシエタノール（ｍｏｅ）を含有する混合物を連続的に蒸留により分離するための方法 | |
| BRPI0620273A2 (pt) | processo em que o óxido de propileno é formado | |
| US10351508B2 (en) | Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatus | |
| CN104628593B (zh) | 一种制备高纯度甲基肼的方法 | |
| CN104628594B (zh) | 一种高纯度甲基肼的制备方法 | |
| CN101466696A (zh) | 由甲醛制备三烷的联合方法 | |
| CN101238115A (zh) | 由甲醛制备三烷的整合方法 | |
| KR20210005196A (ko) | 아세트산의 제조 방법 |