RU2003112216A - CATALYTIC METHOD FOR PRODUCING ALKYLENGLYCOL WITH A REACTOR PRODUCT RECYCLE - Google Patents

CATALYTIC METHOD FOR PRODUCING ALKYLENGLYCOL WITH A REACTOR PRODUCT RECYCLE

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Publication number
RU2003112216A
RU2003112216A RU2003112216/04A RU2003112216A RU2003112216A RU 2003112216 A RU2003112216 A RU 2003112216A RU 2003112216/04 A RU2003112216/04 A RU 2003112216/04A RU 2003112216 A RU2003112216 A RU 2003112216A RU 2003112216 A RU2003112216 A RU 2003112216A
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RU
Russia
Prior art keywords
reactor
anion
mixture
recycled
outlet
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RU2003112216/04A
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Russian (ru)
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RU2267478C2 (en
Inventor
Виллем ДЕРКС
КРЮХТЕН Эжен Мари Годфрид Андре ВАН
Original Assignee
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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Publication of RU2003112216A publication Critical patent/RU2003112216A/en
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Publication of RU2267478C2 publication Critical patent/RU2267478C2/en

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Claims (10)

1. Способ получения алкиленгликоля, в котором исходную смесь, содержащую соответствующий алкиленоксид и воду, подают в по меньшей мере один вход реактора, содержащего неподвижный слой твердого катализатора на основе анионообменной смолы, и смесь продуктов реакции, содержащую алкиленгликоль и непрореагировавшую исходную смесь, выводят через по меньшей мере один выход реактора, отличающийся тем, что по меньшей мере часть смеси, выходящей из реактора, подают в рецикл в по меньшей мере один вход того же самого реактора.1. A method of producing alkylene glycol, in which the initial mixture containing the corresponding alkylene oxide and water is fed to at least one inlet of the reactor containing a fixed bed of a solid catalyst based on an anion exchange resin, and the mixture of reaction products containing alkylene glycol and unreacted initial mixture is withdrawn through at least one reactor outlet, characterized in that at least a portion of the mixture exiting the reactor is recycled to at least one inlet of the same reactor. 2. Способ по п.1, отличающийся тем, что подаваемая в рецикл часть выходного продукта реактора составляет от 50 до 99,5 мас.% от общего вывода из реактора.2. The method according to claim 1, characterized in that fed to the recycling part of the reactor output is from 50 to 99.5 wt.% Of the total output from the reactor. 3. Способ по п.1 или 2, отличающийся тем, что выходное отверстие реактора для части выводимой из реактора смеси, которую рециркулируют, расположено выше выходного отверстия реактора для той части выводимой из реактора смеси, которую не подают в рецикл.3. The method according to claim 1 or 2, characterized in that the outlet of the reactor for the portion of the mixture withdrawn from the reactor that is recycled is located above the outlet of the reactor for that portion of the mixture removed from the reactor that is not recycled. 4. Способ по п.1 или 2, отличающийся тем, что выходное отверстие реактора для части выводимой из реактора смеси, которую рециркулируют, расположено ниже выходного отверстия реактора для той части выводимой из реактора смеси, которую не подают в рецикл.4. The method according to claim 1 or 2, characterized in that the outlet of the reactor for the portion of the mixture withdrawn from the reactor that is recycled is located below the outlet of the reactor for that portion of the mixture removed from the reactor that is not recycled. 5. Способ по любому из пп.1-4, отличающийся тем, что реактор представляет собой изотермический реактор.5. The method according to any one of claims 1 to 4, characterized in that the reactor is an isothermal reactor. 6. Способ по любому из пп.1-5, отличающийся тем, что анионообменная смола представляет сильно основную смолу четвертичного аммония или четвертичного фосфония.6. The method according to any one of claims 1 to 5, characterized in that the anion exchange resin is a strongly basic quaternary ammonium or quaternary phosphonium resin. 7. Способ по любому из пп.1-6, отличающийся тем, что анион катализатора выбирают из группы, состоящей из анионов бикарбоната, карбоксилата, бисульфита и металлата.7. The method according to any one of claims 1 to 6, characterized in that the anion of the catalyst is selected from the group consisting of anions of bicarbonate, carboxylate, bisulfite and metallate. 8. Способ по п.7, отличающийся тем, что анион представляет собой карбоксилатный анион, являющийся анионом поликарбоновой кислоты, имеющей в молекулярной цепи одну или несколько карбоксилатных групп, причем отдельные карбоксильные и/или карбоксилатные группы отделены друг от друга в молекулярной цепи разделяющими группами, состоящими по меньшей мере из одного атома.8. The method according to claim 7, characterized in that the anion is a carboxylate anion, which is a polycarboxylic acid anion having one or more carboxylate groups in the molecular chain, the individual carboxyl and / or carboxylate groups being separated from each other in the molecular chain by dividing groups consisting of at least one atom. 9. Способ по любому из пп.1-8, отличающийся тем, что анионообменная смола представляет собой смолу четвертичного аммония и анион катализатора представляет бикарбонатный анион.9. The method according to any one of claims 1 to 8, characterized in that the anion exchange resin is a quaternary ammonium resin and the catalyst anion is a bicarbonate anion. 10. Способ по любому из пп.1-8, отличающийся тем, что алкиленоксидом является этиленоксид и алкиленгликолем является этиленгликоль.10. The method according to any one of claims 1 to 8, characterized in that the alkylene oxide is ethylene oxide and the alkylene glycol is ethylene glycol.
RU2003112216/04A 2000-09-28 2001-09-28 Method for catalyzed production of alkylene glycol with recycle of reaction product RU2267478C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00203387.6 2000-09-28
EP00203387 2000-09-28

Publications (2)

Publication Number Publication Date
RU2003112216A true RU2003112216A (en) 2004-11-20
RU2267478C2 RU2267478C2 (en) 2006-01-10

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Country Status (17)

Country Link
US (1) US6580008B2 (en)
EP (1) EP1322582B1 (en)
JP (1) JP2004509937A (en)
KR (1) KR100810862B1 (en)
CN (1) CN1239449C (en)
AT (1) ATE273261T1 (en)
AU (2) AU2002215003B2 (en)
BR (1) BR0114172A (en)
CA (1) CA2423790C (en)
DE (1) DE60104870T2 (en)
GC (1) GC0000169A (en)
MX (1) MXPA03002681A (en)
MY (1) MY127096A (en)
PE (1) PE20020623A1 (en)
RU (1) RU2267478C2 (en)
TW (1) TWI246999B (en)
WO (1) WO2002026675A1 (en)

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US6448456B1 (en) * 2001-05-31 2002-09-10 The Dow Chemical Company Process for the preparation of alkylene glycols
CA2469696A1 (en) * 2003-06-06 2004-12-06 Shell Internationale Research Maatschappij B.V. Process for the production of alkylene glycols using homogeneous catalysts
US7105710B2 (en) 2003-09-26 2006-09-12 Shell Oil Company Process of preparing an alkylene glycol
EP1625887B1 (en) 2004-08-05 2009-01-14 Saudi Basic Industries Corporation Process with a heat-exchanger coated with a catalyst
US7435858B2 (en) * 2004-12-23 2008-10-14 Shell Oil Company Process for the preparation of alkylene glycols
US7663005B2 (en) * 2007-05-30 2010-02-16 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Process for preparing an alkylene glycol
CN106478365A (en) * 2015-08-25 2017-03-08 中国石油化工股份有限公司 A kind of synthetic method of vicinal diamines class compound
EP3442954B1 (en) 2016-04-12 2020-05-06 Shell International Research Maatschappij B.V. Processes and systems for the recycle of process water in the production of ethylene glycol
US10807928B2 (en) * 2018-04-30 2020-10-20 Scientific Design Company, Inc. Recirculating process for preparing ethylene glycol
EP3788028A4 (en) 2018-04-30 2022-03-16 Scientific Design Company, Inc. Process for preparing ethylene glycol
CN112055704A (en) * 2018-04-30 2020-12-08 科学设计有限公司 Process for improving the production of ethylene glycol
US10836738B2 (en) 2018-04-30 2020-11-17 Scientific Design Company, Inc. Epoxidation process with concentrated ethylene oxide solutions

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US4560813A (en) 1984-03-28 1985-12-24 Union Carbide Corporation Processes for the production of alkylene glycol in the presence of organometalate
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CA2313119A1 (en) 1997-12-18 1999-06-24 The Dow Chemical Company Process for the production of ethylene glycol
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