KR102040693B1 - 아세트산의 제조 방법 - Google Patents
아세트산의 제조 방법 Download PDFInfo
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- KR102040693B1 KR102040693B1 KR1020147028313A KR20147028313A KR102040693B1 KR 102040693 B1 KR102040693 B1 KR 102040693B1 KR 1020147028313 A KR1020147028313 A KR 1020147028313A KR 20147028313 A KR20147028313 A KR 20147028313A KR 102040693 B1 KR102040693 B1 KR 102040693B1
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title claims abstract description 516
- 238000004519 manufacturing process Methods 0.000 title claims description 34
- 238000004821 distillation Methods 0.000 claims abstract description 278
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 216
- 229910001868 water Inorganic materials 0.000 claims abstract description 216
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims abstract description 171
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims abstract description 170
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims abstract description 159
- 229910000043 hydrogen iodide Inorganic materials 0.000 claims abstract description 140
- 239000000203 mixture Substances 0.000 claims abstract description 114
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000007788 liquid Substances 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 58
- 238000000926 separation method Methods 0.000 claims abstract description 30
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 168
- 239000012071 phase Substances 0.000 claims description 108
- 238000009835 boiling Methods 0.000 claims description 67
- 239000012074 organic phase Substances 0.000 claims description 61
- 239000003054 catalyst Substances 0.000 claims description 55
- 239000008346 aqueous phase Substances 0.000 claims description 47
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 26
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 24
- 238000001704 evaporation Methods 0.000 claims description 21
- 230000008020 evaporation Effects 0.000 claims description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 239000011541 reaction mixture Substances 0.000 claims description 17
- 238000007701 flash-distillation Methods 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 14
- 239000007791 liquid phase Substances 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000009833 condensation Methods 0.000 abstract description 10
- 230000005494 condensation Effects 0.000 abstract description 10
- 235000011054 acetic acid Nutrition 0.000 description 155
- 238000006243 chemical reaction Methods 0.000 description 54
- 239000007789 gas Substances 0.000 description 27
- 238000010992 reflux Methods 0.000 description 27
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 26
- 230000007797 corrosion Effects 0.000 description 24
- 238000005260 corrosion Methods 0.000 description 24
- 239000003513 alkali Substances 0.000 description 19
- 239000012535 impurity Substances 0.000 description 17
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 16
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 239000010948 rhodium Substances 0.000 description 14
- 238000005810 carbonylation reaction Methods 0.000 description 13
- 235000019260 propionic acid Nutrition 0.000 description 13
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 13
- 229910052703 rhodium Inorganic materials 0.000 description 13
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 12
- 238000004064 recycling Methods 0.000 description 11
- -1 lithium iodide) Chemical compound 0.000 description 10
- 230000010412 perfusion Effects 0.000 description 10
- 239000006227 byproduct Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 150000001243 acetic acids Chemical class 0.000 description 6
- 150000001299 aldehydes Chemical class 0.000 description 6
- 230000006315 carbonylation Effects 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 229910000039 hydrogen halide Inorganic materials 0.000 description 5
- 239000012433 hydrogen halide Substances 0.000 description 5
- 229910001511 metal iodide Inorganic materials 0.000 description 5
- 229910052741 iridium Inorganic materials 0.000 description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001351 alkyl iodides Chemical class 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- ANOOTOPTCJRUPK-UHFFFAOYSA-N 1-iodohexane Chemical compound CCCCCCI ANOOTOPTCJRUPK-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 229910001516 alkali metal iodide Inorganic materials 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 2
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 2
- 150000004694 iodide salts Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- IQGZCSXWIRBTRW-ZZXKWVIFSA-N (2E)-2-ethyl-2-butenal Chemical compound CC\C(=C/C)C=O IQGZCSXWIRBTRW-ZZXKWVIFSA-N 0.000 description 1
- UWLHSHAHTBJTBA-UHFFFAOYSA-N 1-iodooctane Chemical compound CCCCCCCCI UWLHSHAHTBJTBA-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001672694 Citrus reticulata Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- MYSWGLZTUMZAAS-UHFFFAOYSA-N [Rh].[I] Chemical compound [Rh].[I] MYSWGLZTUMZAAS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001944 continuous distillation Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229940006461 iodide ion Drugs 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- 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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
도 2는 본 발명의 아세트산의 제조 프로세스의 다른 예를 설명하기 위한 흐름도이다.
2 : 플래시 증발조
3 : 제1 증류탑(스플리터 칼럼)
4 : 디캔터
5 : 제2 증류탑
34a, 34b, 35a, 35b : 보급 라인
Claims (22)
- 요오드화수소, 물, 요오드화메틸, 아세트산 및 아세트산메틸을 포함하는 혼합물을 증류하고, 이 혼합물로부터 저비점 성분을 포함하는 오버헤드를 분리하고, 이 오버헤드를 응축시켜 분액하여, 아세트산을 제조하는 방법으로서, 반응 생성물을 증발조에 연속적으로 공급하여 플래시 증발 또는 플래시 증류하여, 상기 혼합물로서의 휘발상 성분을 생성시키고, 농도 5중량% 이하의 유효량의 물과 농도 0.5 내지 9중량%의 아세트산메틸을 포함하는 상기 혼합물을 증류하고, 요오드화메틸을 포함하는 오버헤드와, 아세트산을 포함하는 사이드 커트류 또는 관출류로 분리하여, 아세트산을 제조하는 방법.
- 제1항에 있어서, 혼합물을 증류하고, 탑정에서 요오드화메틸을 포함하는 오버헤드를 유출시키고, 탑저에서 관출류를 유출시키고, 측부에서 사이드 커트류로서의 조 아세트산을 생성시키는 제조 방법.
- 제1항 또는 제2항에 있어서, 아세트산메틸 농도 0.5 내지 9중량% 및 물 농도 0.5 내지 5중량%를 포함하는 혼합물을 연속적으로 증류하는 제조 방법.
- 제1항 또는 제2항에 있어서, 물 0.5 내지 4.5중량% 및 아세트산메틸 0.5 내지 8중량%를 포함하는 혼합물을 증류하는 제조 방법.
- 제1항 또는 제2항에 있어서, 물 1 내지 4.3중량% 및 아세트산메틸 0.8 내지 7.5중량%를 포함하는 혼합물을 증류하는 제조 방법.
- 제1항 또는 제2항에 있어서, 혼합물이 디메틸에테르를 더 포함하는 제조 방법.
- 제1항 또는 제2항에 있어서, 혼합물의 공급 위치가 증류탑의 상단부, 중단부 또는 하단부이며, 사이드 커트류의 발취 위치가 상기 혼합물의 공급 위치보다 상방인 제조 방법.
- 제1항 또는 제2항에 있어서, 증류탑의 높이 방향의 중간 위치 또는 이 중간 위치보다도 하방의 위치로부터 혼합물을 증류탑에 공급하는 제조 방법.
- 제1항 또는 제2항에 있어서, 혼합물을 증류탑에 공급하는 위치보다도 상방의 증류탑 내에서 물 농도가 높은 영역을 형성하고, 이 높은 물 농도 영역에서 요오드화수소와 아세트산메틸을 반응시켜 요오드화메틸과 아세트산을 생성시키고, 생성한 요오드화메틸을 오버헤드로서 유출시키는 제조 방법.
- 제1항 또는 제2항에 있어서, 물의 존재하, 주기율표 제8족 금속 촉매, 이온성 요오드화물(예를 들어 요오드화리튬 등) 및 요오드화메틸을 이용하여 메탄올과 일산화탄소를 연속적으로 반응시키고, 반응 생성물을 플래시 증발 또는 플래시 증류하여 저휘발상 성분과 휘발상 성분으로 분리하고, 혼합물로서의 이 휘발상 성분을 증류하여 요오드화메틸을 포함하는 오버헤드와 아세트산을 포함하는 사이드 커트류 또는 관출류로 분리하고, 이 오버헤드를 응축시켜 수상과 유기상으로 분액하여, 아세트산을 제조하는 방법이며, 응축액 또는 액체 형태에서의 환산으로, 휘발상 성분의 증류 분위기 중의 물 농도를 유효량이며 5중량% 이하, 아세트산메틸 농도를 0.5 내지 9중량%로 조정하여 증류하는 제조 방법.
- 제1항 또는 제2항에 있어서, 혼합물로서의 휘발상 성분에 또는 혼합물로서의 휘발상 성분의 증류 분위기 중에 아세트산메틸, 메탄올, 디메틸에테르로부터 선택된 적어도 1종을 첨가하고, 물 및 아세트산메틸 농도가 조정된 휘발상 성분을 증류하는 제조 방법.
- 제1항 또는 제2항에 있어서, 휘발상 성분의 증류 분위기를 당해 휘발상 성분의 공급부와 동일한 위치의 높이 또는 이 공급부보다 상방부에서 형성하는 제조 방법.
- 제1항 또는 제2항에 있어서, 요오드화수소 농도 100 내지 10000ppm의 혼합물을 증류하고, 요오드화수소 농도 1 내지 350ppm의 사이드 커트류를 분리하는 제조 방법.
- 제1항 또는 제2항에 있어서, 오버헤드를 응축시켜 수상과 유기상으로 분액하고, 상기 유기상 중의 요오드화수소 농도가 70ppm 이하이고, 상기 수상 중의 요오드화수소 농도가 10 내지 1000ppm이고, 사이드 커트류의 요오드화수소 농도가 1 내지 350ppm인 제조 방법.
- 제1항 또는 제2항에 있어서, 오버헤드를 응축시켜 수상과 유기상으로 분액하고, 상기 유기상 중의 요오드화메틸 농도가 75 내지 98중량%, 아세트산 농도가 1 내지 10중량%, 물 농도가 1중량% 이하이고, 상기 수상 중의 물 농도가 50 내지 90중량%, 아세트산 농도가 10 내지 40중량%인 제조 방법.
- 제1항 또는 제2항에 있어서, 사이드 커트류의 물 함유량이 0.3 내지 5중량%, 아세트산메틸 함유량이 0.06 내지 3중량%인 제조 방법.
- 제1항 또는 제2항에 있어서, 오버헤드를 응축시켜 수상과 유기상으로 분액하고, 분액한 유기상 중의 아세트산메틸 농도가 0.5 내지 15중량%, 수상 중의 아세트산메틸 농도가 0.2 내지 8.5중량%인 제조 방법.
- 제1항 또는 제2항에 있어서, 오버헤드를 응축시켜 수상과 유기상으로 분액하고, 분액한 유기상 중의 아세트산메틸 농도가 1 내지 15중량%, 수상 중의 아세트산메틸 농도가 0.4 내지 8중량%인 제조 방법.
- 제1항 또는 제2항에 있어서, 혼합물을 증류하는 증류탑의 재질이 니켈기 합금인 제조 방법.
- 제1항 또는 제2항에 있어서, 사이드 커트류를 제2 증류탑에서 증류하는 제조 방법.
- 요오드화수소, 물, 요오드화메틸, 아세트산 및 아세트산메틸을 포함하는 혼합물을 증류하고, 이 혼합물로부터 저비점 성분을 포함하는 오버헤드를 분리하고, 이 오버헤드를 응축시키고, 이 응축액을 분액하는 방법으로서, 반응 생성물을 증발조에 연속적으로 공급하여 플래시 증발 또는 플래시 증류하여 상기 혼합물로서의 휘발상 성분을 생성시키고, 농도 5중량% 이하의 유효량의 물과 농도 0.5 내지 9중량%의 아세트산메틸을 포함하는 혼합물을 증류하고, 오버헤드 및 사이드 커트류 중의 요오드화수소 농도를 저감함과 함께 응축액의 분액성을 개선하는 방법.
- 오버헤드 및 사이드 커트류에서의 요오드화수소 농도를 저감시키면서 응축액의 분액성을 개선함과 함께 아세트산을 제조하기 위한 방법으로서,
반응 혼합물을 플래셔에서 플래시 증발 또는 플래시 증류하여, 상기 반응 혼합물을 휘발상 성분과 저휘발상 성분으로 분리하고,
요오드화 수소, 물, 요오드화메틸, 아세트산 및 아세트산메틸을 포함하고, 물의 농도가 5중량% 이하의 유효량의 물이고, 아세트산메틸의 농도가 0.5 내지 9중량%이며, 혼합물로서의 상기 휘발상 성분을 제1 증류탑에서 증류하여 상기 제1 증류탑의 탑정에서 요오드화메틸을 포함하는 오버헤드를 취출하고, 상기 제1 증류탑의 측부에서 아세트산을 포함하는 사이드 커트류를 취출하고, 상기 제1 증류탑의 탑저에서 아세트산을 포함하는 관출류를 취출하고,
상기 제1 증류탑에서 상기 오버헤드를 응축시켜, 수상과 유기상의 액상으로 분리한 응축액을 형성하고,
상기 응축액의 수상은 50 내지 90 중량%의 물과 10 내지 40중량%의 아세트산과 10 내지 1000ppm의 요오드화수소를 포함하고,
상기 응축액의 유기상은 75 내지 98중량%의 요오드화메틸과 1 내지 10중량%의 아세트산과 1중량% 이하의 물과 70ppm 이하의 요오드화수소를 포함하는 것인 방법.
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JP2006160645A (ja) * | 2004-12-06 | 2006-06-22 | Daicel Chem Ind Ltd | 蒸留方法 |
JP2009501129A (ja) * | 2005-07-14 | 2009-01-15 | ダイセル化学工業株式会社 | カルボン酸の製造方法 |
JP2011518880A (ja) * | 2008-04-29 | 2011-06-30 | セラニーズ・インターナショナル・コーポレーション | 酢酸に富むフラッシュ流を与えるメタノールをカルボニル化するための方法及び装置 |
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EP2826767B2 (en) | 2021-03-31 |
MX2014010995A (es) | 2014-10-13 |
MY166788A (en) | 2018-07-23 |
JPWO2013137236A1 (ja) | 2015-08-03 |
KR20140135239A (ko) | 2014-11-25 |
USRE48855E1 (en) | 2021-12-21 |
EP2826767A1 (en) | 2015-01-21 |
TWI547477B (zh) | 2016-09-01 |
ES2640292T5 (es) | 2021-10-14 |
SG11201404601QA (en) | 2014-10-30 |
IN2014DN06541A (ko) | 2015-06-12 |
BR112014022682B1 (pt) | 2020-04-14 |
CN104169249A (zh) | 2014-11-26 |
US9006483B2 (en) | 2015-04-14 |
MX343501B (es) | 2016-11-07 |
CN104169249B (zh) | 2016-03-30 |
EP2826767A4 (en) | 2015-12-23 |
WO2013137236A1 (ja) | 2013-09-19 |
US20150025270A1 (en) | 2015-01-22 |
ES2640292T3 (es) | 2017-11-02 |
JP6158788B2 (ja) | 2017-07-05 |
MY187113A (en) | 2021-09-01 |
EP2826767B1 (en) | 2017-08-09 |
TW201348193A (zh) | 2013-12-01 |
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