JPH11503154A - カルボニレーションプロセスの間に形成される希薄水性流よりの酢酸の回収 - Google Patents
カルボニレーションプロセスの間に形成される希薄水性流よりの酢酸の回収Info
- Publication number
- JPH11503154A JPH11503154A JP8530323A JP53032396A JPH11503154A JP H11503154 A JPH11503154 A JP H11503154A JP 8530323 A JP8530323 A JP 8530323A JP 53032396 A JP53032396 A JP 53032396A JP H11503154 A JPH11503154 A JP H11503154A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- acetic acid
- water
- methanol
- methyl acetate
- 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.)
- Granted
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title claims abstract description 472
- 238000000034 method Methods 0.000 title claims description 99
- 238000011084 recovery Methods 0.000 title description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 238
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims abstract description 74
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000004821 distillation Methods 0.000 claims abstract description 45
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 30
- 238000005810 carbonylation reaction Methods 0.000 claims abstract description 28
- 230000006315 carbonylation Effects 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 14
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims description 85
- 239000000047 product Substances 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 30
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 29
- 238000001035 drying Methods 0.000 claims description 28
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims description 28
- 239000012429 reaction media Substances 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 14
- 238000010992 reflux Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000003377 acid catalyst Substances 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 239000000052 vinegar Substances 0.000 claims description 8
- 235000021419 vinegar Nutrition 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 3
- 239000003039 volatile agent Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 239000012044 organic layer Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000638 solvent extraction Methods 0.000 abstract description 2
- 239000012071 phase Substances 0.000 description 41
- 239000002585 base Substances 0.000 description 29
- 238000000746 purification Methods 0.000 description 22
- 229910052703 rhodium Inorganic materials 0.000 description 20
- 239000010948 rhodium Substances 0.000 description 20
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 20
- 239000008346 aqueous phase Substances 0.000 description 14
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 239000000376 reactant Substances 0.000 description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 229910002091 carbon monoxide Inorganic materials 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 10
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 10
- 150000004694 iodide salts Chemical class 0.000 description 9
- 150000004820 halides Chemical class 0.000 description 7
- -1 methyl halide Chemical class 0.000 description 7
- 238000005191 phase separation Methods 0.000 description 7
- 238000010926 purge Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 6
- ICJVSPOCMLQAJM-UHFFFAOYSA-N acetic acid;iodomethane Chemical compound IC.CC(O)=O ICJVSPOCMLQAJM-UHFFFAOYSA-N 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 4
- 229920001429 chelating resin Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000002923 oximes Chemical class 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 2
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical compound O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229940006461 iodide ion Drugs 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 150000002892 organic cations Chemical class 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000012465 retentate Substances 0.000 description 2
- 150000003283 rhodium Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- YZUPZGFPHUVJKC-UHFFFAOYSA-N 1-bromo-2-methoxyethane Chemical compound COCCBr YZUPZGFPHUVJKC-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
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910001516 alkali metal iodide Inorganic materials 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 150000001351 alkyl iodides Chemical class 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001728 carbonyl compounds Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 150000001767 cationic compounds Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910001411 inorganic cation Inorganic materials 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 229910001511 metal iodide Inorganic materials 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003284 rhodium compounds Chemical class 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- JWHOQZUREKYPBY-UHFFFAOYSA-N rubonic acid Natural products CC1(C)CCC2(CCC3(C)C(=CCC4C5(C)CCC(=O)C(C)(C)C5CC(=O)C34C)C2C1)C(=O)O JWHOQZUREKYPBY-UHFFFAOYSA-N 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/08—Acetic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
- C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
-
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- 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)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. メタノール、ジメチルエーテルまたは酢酸メチルからなる群より選択され る1種以上の化合物を酢酸にカルボニレーションするための方法であって、さら にVIII族の金属カルボニレーション触媒、ヨウ化メチルおよび水を含有する 反応媒体中で前記メタノール、メチルエーテルまたは酢酸メチルをカルボニル化 して、酢酸と水とを含む反応生成物を形成し、前記反応生成物を精製して、実質 的に、乾燥酢酸生成物と、50重量%以下の酢酸を含有する1つ以上の水性流と を形成し、前記水性流の少なくとも1つを、第2の触媒の存在で、メタノールと 反応させて、酢酸メチルと水とを形成し、前記酢酸メチルを前記水より分離する ことを含む方法。 2. 前記第2の触媒が酸触媒である、請求の範囲第1項に記載の方法。 3. 前記酸触媒がスルホン酸基を含む、請求の範囲第2項に記載の方法。 4. 前記水性流が、前記水性流とメタノールとを前記第2の触媒と接触する間 に、前記水性流をメタノールと向流的に接触させることによって反応させられる 、請求の範囲第1項に記載の方法。 5. 前記第2の触媒が、触媒の固定床を含み、前記水性流が前記触媒を通って 下流方向に向かい、前記メタノールが前記触媒の固定床を通って上流方向に流れ る、請求の範囲第4項に記載の方法。 6. 酢酸メチルが触媒の固定床の上方で回収され、形成され、かつ、前記水性 流の一部として存在する水が前記触媒の固定床の下方で回収される、請求の範囲 第5項に記載の方法。 7. 前記水性流のメタノールとの前記反応が、前記触媒の固定床の下方に、前 記触媒の固定床の下に含まれる水より前記メタノールを蒸留し蒸留手段上で分離 するのに十分な温度に加熱される蒸留手段を含むストリッピング部分を含む触媒 蒸留ユニット中で生ずる、請求の範囲第6項に記載の方法。 8. 触媒床の上方部分が蒸留手段を含む精留部分を含み、前記触媒の固定床上 方領域に存在する水より酢酸メチルを蒸留し蒸留手段上で分離するのに十分な温 度で運転される、請求の範囲第7項に記載の方法。 9. 前記形成された酢酸メチルが、前記反応媒体にリサイクルされる、請求の 範囲第1項に記載の方法。 10. 酢酸メチルより分離される水の少なくとも一部がパージされる、請求の 範囲第1項に記載の方法。 11. 前記反応媒体が、有限量の水〜約12重量%の水を含有する、請求の範 囲第1項に記載の方法。 12. 前記反応媒体が5重量%未満の水を含有する、請求の範囲第11項に記 載の方法。 13. 前記蒸留手段が、トレー、充填物またはこれらの双方を含む、請求の範 囲第8項に記載の方法。 14. 前記1つ以上の水性流が約5〜20重量%の酢酸を含有する、請求の範 囲第1項に記載の方法。 15. メタノール、ジメチルエーテルまたは酢酸メチルからなる群の1種以上 の化合物を酢酸にカルボニレーションするための方法であり、(1)前記メタノ ール、ジメチルエーテルまたは酢酸メチルがVIII族金属カルボニレーション 触媒およびヨウ化メチルを含有する反応媒体中でカルボニル化され、(2)前記 カルボニレーションの生成物を、前記酢酸、未反応のジメチルエーテルまたは酢 酸メチルを含有する揮発性の相と、アルカンおよびカルボニル不純物と、前記V III族金属触媒を含む揮発性のより乏しい相とに分離し、(3)前記揮発性の 相を蒸留して、酢酸と、未反応のメタノール、ジメチルエーテルまたは酢酸メチ ル、ヨウ化メチル、アルカンおよびカルボニル不純物を含有するオーバーヘッド とを生成させ、(4)さらに、前記オーバーヘッドをより揮発性の成分とより不 揮発性の成分とに分離し、(5)前記酢酸を蒸留して、実質的に、乾燥酢酸生成 物と、少量の酢酸を含有する水性流を含有するオーバーヘッドとを形成する方法 において、その改良が、 (a)還流塔中で揮発性成分を還流させることによって前記分離(4)を行い 、 (b)さらなる処理のために揮発性部分を除去し、 (c)水の添加によって残渣を有機層と水層とに分離し、第2の触媒の存在で 前記水性流をメタノールと反応させて酢酸メチルと水とを形成することによって 前記乾燥塔よりの前記オーバーヘッドより添加した水を得、前記水より前記酢酸 メチルを分離し、 (d)水性層を本プロセスにリサイクルすることを含む方法。 16. (a)の還流比が約1〜約50である、請求の範囲第15項に記載の方 法。 17. 前記第2の触媒が酸触媒である、請求の範囲第15項に記載の方法。 18. 前記水性流が、前記水性流およびメタノールを前記第2の触媒と接触さ せる間に、前記水性流をメタノールと向流的に接触させることによって反応させ られる、請求の範囲第15項に記載の方法。 19. 前記第2の触媒が、触媒の固定床を含み、前記水性流が前記触媒を通っ て下流方向に向かい、前記メタノールが前記触媒の固定床を通って上流方向に流 れる、請求の範囲第18項に記載の方法。 20. 前記水性流のメタノールとの前記反応が、前記触媒の固定床の下方に、 前記触媒の固定床の下に含まれる水より前記メタノールを蒸留し蒸留手段上で分 離するのに十分な温度に加熱される蒸留手段を含むストリッピング部分を含む触 媒蒸留ユニット中で生ずる、請求の範囲第19項に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/418,333 | 1995-04-07 | ||
| US08/418,333 US5599976A (en) | 1995-04-07 | 1995-04-07 | Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process |
| PCT/US1996/003836 WO1996031456A1 (en) | 1995-04-07 | 1996-03-22 | Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11503154A true JPH11503154A (ja) | 1999-03-23 |
| JP3803114B2 JP3803114B2 (ja) | 2006-08-02 |
Family
ID=23657675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53032396A Expired - Fee Related JP3803114B2 (ja) | 1995-04-07 | 1996-03-22 | カルボニレーションプロセスの間に形成される希薄水性流よりの酢酸の回収 |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US5599976A (ja) |
| EP (1) | EP0821662B1 (ja) |
| JP (1) | JP3803114B2 (ja) |
| KR (1) | KR100408144B1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011190270A (ja) * | 2004-03-02 | 2011-09-29 | Celanese Internatl Corp | 酢酸を製造する方法 |
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