JP2002526463A5 - - Google Patents
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- Publication number
- JP2002526463A5 JP2002526463A5 JP2000574053A JP2000574053A JP2002526463A5 JP 2002526463 A5 JP2002526463 A5 JP 2002526463A5 JP 2000574053 A JP2000574053 A JP 2000574053A JP 2000574053 A JP2000574053 A JP 2000574053A JP 2002526463 A5 JP2002526463 A5 JP 2002526463A5
- Authority
- JP
- Japan
- Prior art keywords
- dehydration
- pressure
- glycol
- tower
- dehydration tower
- 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
- 230000018044 dehydration Effects 0.000 description 43
- 238000006297 dehydration reaction Methods 0.000 description 43
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 28
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 24
- 238000000034 method Methods 0.000 description 14
- 238000004821 distillation Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 11
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 10
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 10
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000007062 hydrolysis Effects 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 7
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- 150000002334 glycols Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843697A DE19843697A1 (de) | 1998-09-23 | 1998-09-23 | Verfahren zur Herstellung von hochreinem Monoethylenglykol |
| DE19843697.1 | 1998-09-23 | ||
| PCT/EP1999/006968 WO2000017141A1 (de) | 1998-09-23 | 1999-09-21 | Verfahren zur herstellung von hochreinem monoethylenglykol |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002526463A JP2002526463A (ja) | 2002-08-20 |
| JP2002526463A5 true JP2002526463A5 (enExample) | 2009-11-19 |
| JP4427190B2 JP4427190B2 (ja) | 2010-03-03 |
Family
ID=7882020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000574053A Expired - Lifetime JP4427190B2 (ja) | 1998-09-23 | 1999-09-21 | 高濃度モノエチレングリコールの製造方法 |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US6605192B1 (enExample) |
| EP (1) | EP1115682B1 (enExample) |
| JP (1) | JP4427190B2 (enExample) |
| KR (1) | KR100611284B1 (enExample) |
| CN (1) | CN1217898C (enExample) |
| AR (1) | AR020655A1 (enExample) |
| AT (1) | ATE255084T1 (enExample) |
| AU (1) | AU5980199A (enExample) |
| BR (1) | BR9913889B1 (enExample) |
| CA (1) | CA2345053C (enExample) |
| DE (2) | DE19843697A1 (enExample) |
| ES (1) | ES2212671T3 (enExample) |
| MY (1) | MY121383A (enExample) |
| PL (1) | PL195588B1 (enExample) |
| RU (1) | RU2235710C2 (enExample) |
| SA (1) | SA99200783B1 (enExample) |
| TW (1) | TW475925B (enExample) |
| UA (1) | UA60383C2 (enExample) |
| WO (1) | WO2000017141A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6372925B1 (en) * | 2000-06-09 | 2002-04-16 | Shell Oil Company | Process for operating the epoxidation of ethylene |
| US7095741B1 (en) * | 2000-12-20 | 2006-08-22 | Cisco Technology, Inc. | Port isolation for restricting traffic flow on layer 2 switches |
| DE10321733A1 (de) * | 2003-05-14 | 2004-12-02 | Basf Ag | Verfahren zur Herstellung von ameisensauren Formiaten |
| DE602006012549D1 (de) * | 2005-12-29 | 2010-04-08 | Basf Se | Verfahren zur trennung von propylenglykol von wässrigen zusammensetzungen |
| RU2312696C1 (ru) * | 2006-03-17 | 2007-12-20 | Андрей Григорьевич Вендило | Универсальная установка для очистки высококипящих растворителей вакуумной ректификацией и способы очистки вакуумной ректификацией на ней этиленгликоля, моноэтаноламина, метилцеллозольва, этилцеллозольва, бутилцеллозольва, n-метилпирролидона и бензилового спирта |
| EP2035359B1 (en) * | 2006-06-13 | 2010-02-24 | Shell Internationale Research Maatschappij B.V. | Glycol separation and purification |
| RU2511442C2 (ru) * | 2008-10-09 | 2014-04-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Способ регенерации моноэтиленгликоля |
| WO2010053900A2 (en) * | 2008-11-10 | 2010-05-14 | Dow Technology Investments, Llc | Process for producing low color glycols |
| PL217778B1 (pl) | 2011-06-20 | 2014-08-29 | Piotr Medoń | Sposób osuszania glikolu i układ do osuszania glikolu |
| CN103265401B (zh) * | 2013-04-24 | 2014-12-17 | 河南朝歌日光新能源股份有限公司 | 一种煤制乙二醇工艺副产残液的回收方法 |
| US9732019B1 (en) * | 2016-04-01 | 2017-08-15 | Cameron Solutions, Inc. | System and method to remove organic acid from a rich MEG stream by stripping |
| GB201710508D0 (en) * | 2017-06-30 | 2017-08-16 | Johnson Matthey Davy Technologies Ltd | Process |
| WO2019101707A1 (en) * | 2017-11-23 | 2019-05-31 | Shell Internationale Research Maatschappij B.V. | Processes for the production of ethylene oxide and ethylene glycol |
| NL2025637B1 (en) * | 2020-05-20 | 2021-12-07 | Ioniqa Tech B V | A separation method and reactor system for a glycol-water mixture |
| CN119868990B (zh) * | 2025-03-12 | 2025-10-24 | 连云港石化有限公司 | 一种乙二醇预脱水塔装置及其使用方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2510548A (en) * | 1947-06-20 | 1950-06-06 | Lummus Co | Multiple-effect distillation |
| DE1942094A1 (de) | 1968-08-22 | 1970-02-26 | Union Carbide Corp | Verfahren zur Reinigung von verunreinigten Glykolen |
| IT972794B (it) | 1972-12-22 | 1974-05-31 | Sir Soc Italiana Resine Spa | Procedimento perfezionato per la produzione del glicole etilenico |
| US4182659A (en) * | 1977-10-31 | 1980-01-08 | Davy International Aktiengesellschaft | Method of concentrating a water-containing glycol |
| DE3001727A1 (de) | 1980-01-18 | 1981-07-23 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von hochreinem monoethylenglykol |
| DE3338488A1 (de) | 1982-10-29 | 1984-05-03 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von temperaturempfindlichen produkten durch thermisch schonende destillation mittels eines mit einer destillationskolonne verbundenen duennschichtverdampfers und eine anordnung zur durchfuehrung des verfahrens |
| JPS6089439A (ja) | 1983-10-24 | 1985-05-20 | Mitsui Toatsu Chem Inc | エチレングリコ−ルの製造方法 |
| FR2564458B1 (fr) | 1984-05-15 | 1986-09-12 | Atochem | Procede de separation de l'ethyleneglycol sous forme concentree dans un procede de fabrication d'oxyde d'ethylene |
| DE4306144A1 (de) * | 1993-02-27 | 1994-09-01 | Brown John Deutsche Eng Gmbh | Verfahren und Polykondensationsanlage zur Aufbereitung von verunreinigtem Ethylenglykol |
| DE19602116A1 (de) | 1996-01-22 | 1997-07-24 | Basf Ag | Verfahren zur Gewinnung von Glykolen mit niedrigem Aldehydgehalt |
| RU2111949C1 (ru) * | 1996-08-19 | 1998-05-27 | Акционерное общество "Нижнекамскнефтехим" | Способ извлечения моно- и диэтиленгликолей из кубового остатка процесса выделения моноэтиленгликоля |
| US5738417A (en) * | 1997-01-29 | 1998-04-14 | Westinghouse Air Brake Company | Brake pipe sensing unit |
-
1998
- 1998-09-23 DE DE19843697A patent/DE19843697A1/de not_active Withdrawn
-
1999
- 1999-09-09 TW TW088115552A patent/TW475925B/zh not_active IP Right Cessation
- 1999-09-20 MY MYPI99004083A patent/MY121383A/en unknown
- 1999-09-21 KR KR1020017003647A patent/KR100611284B1/ko not_active Expired - Lifetime
- 1999-09-21 EP EP99969405A patent/EP1115682B1/de not_active Expired - Lifetime
- 1999-09-21 AT AT99969405T patent/ATE255084T1/de not_active IP Right Cessation
- 1999-09-21 AU AU59801/99A patent/AU5980199A/en not_active Abandoned
- 1999-09-21 PL PL99347580A patent/PL195588B1/pl unknown
- 1999-09-21 CN CN998112844A patent/CN1217898C/zh not_active Expired - Lifetime
- 1999-09-21 UA UA2001042717A patent/UA60383C2/uk unknown
- 1999-09-21 CA CA002345053A patent/CA2345053C/en not_active Expired - Lifetime
- 1999-09-21 ES ES99969405T patent/ES2212671T3/es not_active Expired - Lifetime
- 1999-09-21 DE DE59907884T patent/DE59907884D1/de not_active Expired - Lifetime
- 1999-09-21 WO PCT/EP1999/006968 patent/WO2000017141A1/de not_active Ceased
- 1999-09-21 US US09/787,616 patent/US6605192B1/en not_active Expired - Lifetime
- 1999-09-21 BR BRPI9913889-1A patent/BR9913889B1/pt not_active IP Right Cessation
- 1999-09-21 JP JP2000574053A patent/JP4427190B2/ja not_active Expired - Lifetime
- 1999-09-21 RU RU2001111009/04A patent/RU2235710C2/ru active
- 1999-09-22 AR ARP990104764A patent/AR020655A1/es active IP Right Grant
- 1999-11-30 SA SA99200783A patent/SA99200783B1/ar unknown
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