CN1049649C - 从粗乙酸酐或粗乙酸酐与粗乙酸的混合物中除去碘化合物的方法 - Google Patents
从粗乙酸酐或粗乙酸酐与粗乙酸的混合物中除去碘化合物的方法 Download PDFInfo
- Publication number
- CN1049649C CN1049649C CN94107588A CN94107588A CN1049649C CN 1049649 C CN1049649 C CN 1049649C CN 94107588 A CN94107588 A CN 94107588A CN 94107588 A CN94107588 A CN 94107588A CN 1049649 C CN1049649 C CN 1049649C
- Authority
- CN
- China
- Prior art keywords
- thick
- acetic anhydride
- mixture
- crude acetic
- diacetyl oxide
- 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.)
- Expired - Fee Related
Links
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 title claims abstract description 343
- 239000000203 mixture Substances 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 51
- 150000002497 iodine compounds Chemical class 0.000 title claims abstract description 36
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000004821 distillation Methods 0.000 claims abstract description 60
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims abstract description 55
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims abstract description 55
- -1 alkali metal salts Chemical class 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 26
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims abstract description 22
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 150000003284 rhodium compounds Chemical class 0.000 claims description 10
- 239000012295 chemical reaction liquid Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 4
- 238000007669 thermal treatment Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 8
- 238000007599 discharging Methods 0.000 claims 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract description 194
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract description 25
- 238000010438 heat treatment Methods 0.000 abstract description 17
- 238000009835 boiling Methods 0.000 abstract description 6
- 239000002585 base Substances 0.000 abstract 1
- VMGAPWLDMVPYIA-HIDZBRGKSA-N n'-amino-n-iminomethanimidamide Chemical compound N\N=C\N=N VMGAPWLDMVPYIA-HIDZBRGKSA-N 0.000 abstract 1
- BOLDJAUMGUJJKM-LSDHHAIUSA-N renifolin D Natural products CC(=C)[C@@H]1Cc2c(O)c(O)ccc2[C@H]1CC(=O)c3ccc(O)cc3O BOLDJAUMGUJJKM-LSDHHAIUSA-N 0.000 abstract 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 38
- 239000000243 solution Substances 0.000 description 23
- 229910000043 hydrogen iodide Inorganic materials 0.000 description 15
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 14
- LEKJTGQWLAUGQA-UHFFFAOYSA-N acetyl iodide Chemical compound CC(I)=O LEKJTGQWLAUGQA-UHFFFAOYSA-N 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 14
- 229910052740 iodine Inorganic materials 0.000 description 14
- 239000011630 iodine Substances 0.000 description 14
- 229910052703 rhodium Inorganic materials 0.000 description 9
- 239000010948 rhodium Substances 0.000 description 9
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 9
- 150000001340 alkali metals Chemical class 0.000 description 8
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 8
- 150000001342 alkaline earth metals Chemical class 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000005810 carbonylation reaction Methods 0.000 description 5
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 5
- 229940006461 iodide ion Drugs 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000002841 Lewis acid Substances 0.000 description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000004694 iodide salts Chemical class 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001639 boron compounds Chemical class 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 150000001845 chromium compounds Chemical class 0.000 description 3
- 239000003426 co-catalyst Substances 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 3
- 150000002642 lithium compounds Chemical class 0.000 description 3
- 150000003003 phosphines Chemical class 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 229910001516 alkali metal iodide Inorganic materials 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 230000006315 carbonylation Effects 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229940009827 aluminum acetate Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002496 iodine Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical compound OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/20—Power plant
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5128631 | 1993-05-31 | ||
| JP128631/93 | 1993-05-31 | ||
| JP12863193A JP3377555B2 (ja) | 1993-05-31 | 1993-05-31 | カルボニル化反応生成物に含有されるヨウ素化合物の除去方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1101033A CN1101033A (zh) | 1995-04-05 |
| CN1049649C true CN1049649C (zh) | 2000-02-23 |
Family
ID=14989592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94107588A Expired - Fee Related CN1049649C (zh) | 1993-05-31 | 1994-05-31 | 从粗乙酸酐或粗乙酸酐与粗乙酸的混合物中除去碘化合物的方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5653853A (enExample) |
| EP (1) | EP0632007B1 (enExample) |
| JP (1) | JP3377555B2 (enExample) |
| KR (1) | KR0125303B1 (enExample) |
| CN (1) | CN1049649C (enExample) |
| DE (1) | DE69409714T2 (enExample) |
| TW (1) | TW320567B (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4489487B2 (ja) * | 2004-04-02 | 2010-06-23 | ダイセル化学工業株式会社 | ヨウ化水素の分離方法 |
| CN103189125A (zh) * | 2010-11-12 | 2013-07-03 | 伊士曼化工公司 | 羰基化过程产生的气流的处理 |
| JP6166043B2 (ja) * | 2010-12-15 | 2017-07-19 | 株式会社ダイセル | 酢酸の製造方法 |
| ES2595628T3 (es) | 2010-12-24 | 2017-01-02 | Daicel Corporation | Método de producción de ácido acético |
| RU2013135468A (ru) | 2010-12-30 | 2015-02-10 | Селаниз Интернэшнл Корпорейшн | Очистка потоков продукта уксусной кислоты |
| MX2017004287A (es) | 2014-10-02 | 2017-07-19 | Celanese Int Corp | Proceso para la produccion de acido acetico. |
| US9260369B1 (en) | 2014-11-14 | 2016-02-16 | Celanese International Corporation | Processes for producing acetic acid product having low butyl acetate content |
| US9302975B1 (en) | 2015-07-01 | 2016-04-05 | Celanese International Corporation | Process for flashing a reaction medium |
| KR102493740B1 (ko) | 2015-01-30 | 2023-01-30 | 셀라니즈 인터내셔날 코포레이션 | 아세트산의 제조 방법 |
| US9561994B2 (en) | 2015-01-30 | 2017-02-07 | Celanese International Corporation | Processes for producing acetic acid |
| US9487464B2 (en) | 2015-01-30 | 2016-11-08 | Celanese International Corporation | Processes for producing acetic acid |
| RS59401B1 (sr) | 2015-01-30 | 2019-11-29 | Celanese Int Corp | Postupci proizvodnje sirćetne kiseline |
| US9505696B2 (en) | 2015-02-04 | 2016-11-29 | Celanese International Corporation | Process to control HI concentration in residuum stream |
| US9512056B2 (en) | 2015-02-04 | 2016-12-06 | Celanese International Corporation | Process to control HI concentration in residuum stream |
| JP5866474B1 (ja) * | 2015-02-04 | 2016-02-17 | セラニーズ・インターナショナル・コーポレーション | 残渣流中のｈｉ濃度を制御するプロセス |
| US10413840B2 (en) | 2015-02-04 | 2019-09-17 | Celanese International Coporation | Process to control HI concentration in residuum stream |
| US9302974B1 (en) | 2015-07-01 | 2016-04-05 | Celanese International Corporation | Process for producing acetic acid |
| US9382183B1 (en) | 2015-07-01 | 2016-07-05 | Celanese International Corporation | Process for flashing a reaction medium |
| MY181882A (en) | 2015-10-02 | 2021-01-12 | Celanese Int Corp | Process to produce acetic acid with recycle of water |
| US9908835B2 (en) | 2015-11-13 | 2018-03-06 | Celanese International Corporation | Processes for purifying acetic and hydrating anhydride |
| US9957216B2 (en) | 2015-11-13 | 2018-05-01 | Celanese International Corporation | Processes for producing acetic acid |
| US10807935B2 (en) | 2018-11-02 | 2020-10-20 | Celanese International Corporation | Process for continuous acetic acid production |
| US20230127564A1 (en) | 2020-04-01 | 2023-04-27 | Celanese International Corporation | Processes for removing and/or reducing permanganate reducing compounds and alkyl iodides |
| JP2023528451A (ja) | 2020-06-03 | 2023-07-04 | セラニーズ・インターナショナル・コーポレーション | 酢酸の製造及び精製 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0075730A1 (de) * | 1981-09-23 | 1983-04-06 | Hoechst Aktiengesellschaft | Verfahren zur Rückgewinnung von Jodverbindungen aus dem Abgas von Carbonylierungsreaktionen |
| EP0132391A2 (en) * | 1983-07-20 | 1985-01-30 | BP Chemicals Limited | Process for the production of acetic anhydride |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3425798A (en) * | 1966-01-10 | 1969-02-04 | Eastman Kodak Co | Process for the removal of iodine from organic compounds |
| DE3045081A1 (de) * | 1980-11-29 | 1982-07-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur abtrennung organischer jod-verbindung en von acetaldehydfreien carbonylierungsprodukten des methanols, methylacetates und dimethylethers |
| US4340569A (en) * | 1981-03-06 | 1982-07-20 | The Halcon Sd Group, Inc. | Treatment of carbonylation residues |
| JPS58116436A (ja) * | 1981-12-28 | 1983-07-11 | Mitsubishi Gas Chem Co Inc | 無水酢酸の精製法 |
| DE3329781A1 (de) * | 1983-08-18 | 1985-02-28 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbonylierung von dimethylether, methylacetat oder methanol erhaltenen carbonylierungsprodukten |
| US5026908A (en) * | 1984-05-03 | 1991-06-25 | Hoechst Celanese Corporation | Methanol carbonylation process |
| JPS618811A (ja) * | 1984-06-22 | 1986-01-16 | 古河電気工業株式会社 | 同軸ケ−ブル |
| CA1299195C (en) * | 1986-06-16 | 1992-04-21 | G. Paull Torrence | Addition of hydrogen to carbon monoxide feed gas in producing acetic acid by carbonylation of methanol |
| GB9100216D0 (en) * | 1991-01-05 | 1991-02-20 | Bp Chem Int Ltd | Process |
| US5175362A (en) * | 1991-05-29 | 1992-12-29 | Eastman Kodak Company | Recovery of acetyl values from ethylidene diacetate |
| GB9120902D0 (en) * | 1991-10-02 | 1991-11-13 | Bp Chem Int Ltd | Purification process |
| GB9305902D0 (en) * | 1993-03-22 | 1993-05-12 | Bp Chem Int Ltd | Process |
| US5502249A (en) * | 1994-05-31 | 1996-03-26 | Eastman Chemical Company | Process for the removal of iodine from acetyl compounds |
-
1993
- 1993-05-31 JP JP12863193A patent/JP3377555B2/ja not_active Expired - Fee Related
-
1994
- 1994-05-27 DE DE69409714T patent/DE69409714T2/de not_active Revoked
- 1994-05-27 EP EP94108218A patent/EP0632007B1/en not_active Revoked
- 1994-05-28 TW TW083104879A patent/TW320567B/zh active
- 1994-05-31 CN CN94107588A patent/CN1049649C/zh not_active Expired - Fee Related
- 1994-05-31 KR KR1019940012176A patent/KR0125303B1/ko not_active Expired - Fee Related
-
1996
- 1996-06-03 US US08/657,427 patent/US5653853A/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0075730A1 (de) * | 1981-09-23 | 1983-04-06 | Hoechst Aktiengesellschaft | Verfahren zur Rückgewinnung von Jodverbindungen aus dem Abgas von Carbonylierungsreaktionen |
| EP0132391A2 (en) * | 1983-07-20 | 1985-01-30 | BP Chemicals Limited | Process for the production of acetic anhydride |
Also Published As
| Publication number | Publication date |
|---|---|
| US5653853A (en) | 1997-08-05 |
| DE69409714T2 (de) | 1998-08-13 |
| CN1101033A (zh) | 1995-04-05 |
| DE69409714D1 (de) | 1998-05-28 |
| TW320567B (enExample) | 1997-11-21 |
| JP3377555B2 (ja) | 2003-02-17 |
| JPH06340576A (ja) | 1994-12-13 |
| KR0125303B1 (ko) | 1997-12-01 |
| EP0632007A1 (en) | 1995-01-04 |
| EP0632007B1 (en) | 1998-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0125303B1 (ko) | 조무수아세트산, 또는 조무수아세트산과 조아세트산 혼합물로부터 요오드 화합물의 제거방법 | |
| US7678940B2 (en) | Process for producing carboxylic acid | |
| JP3803114B2 (ja) | 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 | |
| KR100495554B1 (ko) | 카보닐화 공정 스트림으로부터 과망간산염 환원 화합물 및 알킬요오다이드를 제거하는 방법 | |
| CN1063425C (zh) | 提纯乙酸的方法 | |
| KR100192733B1 (ko) | 카보닐화 스트림으로부터 카보닐 불순물을 제거하는 방법 | |
| JP5078606B2 (ja) | メタノールのカルボニル化工程のストリームからの過マンガン酸還元性化合物の除去 | |
| TWI382868B (zh) | 蒸餾方法 | |
| JP2959894B2 (ja) | カルボニル化プロセス流からのカルボニル不純物の除去法 | |
| US20060011462A1 (en) | Process for producing carboxylic acid and system for producing the same | |
| CN1196042A (zh) | 从羰基化工艺物流中脱除羰基杂质的方法 | |
| KR0168207B1 (ko) | 무수아세트산 또는 무수아세트산 및 아세트산의 제조방법 | |
| JP2002507194A (ja) | アクリル酸ブチルの精製方法 | |
| BG51039A3 (bg) | Метод за пречистване на етиленгликол получен от етиленкарбонат | |
| JP3244350B2 (ja) | 高純度酢酸の製造方法 | |
| CN1135212C (zh) | 生产乙酸酐的方法 | |
| KR0132405B1 (ko) | 오존을사용하는아세트산무수물또는아세트산무수물및아세트산의혼합물의정제방법 | |
| CN1223251A (zh) | 丙烯酸的制备方法 | |
| CN88104541A (zh) | 羟基化聚丁二烯的制造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |