BR112018006515A2 - método para preparar etilenoglicol a partir da hidrólise de éter monometílico de etilenoglicol - Google Patents

método para preparar etilenoglicol a partir da hidrólise de éter monometílico de etilenoglicol

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Publication number
BR112018006515A2
BR112018006515A2 BR112018006515-3A BR112018006515A BR112018006515A2 BR 112018006515 A2 BR112018006515 A2 BR 112018006515A2 BR 112018006515 A BR112018006515 A BR 112018006515A BR 112018006515 A2 BR112018006515 A2 BR 112018006515A2
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Brazil
Prior art keywords
ethylene glycol
monomethyl ether
glycol monomethyl
hydrolysis
water
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BR112018006515-3A
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English (en)
Chinese (zh)
Inventor
Ni Youming
Zhu Wenliang
Liu Yong
Liu Hongchao
Shi Lei
Liu Zhongmin
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Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences
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Application filed by Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences filed Critical Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences
Publication of BR112018006515A2 publication Critical patent/BR112018006515A2/pt

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    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
    • C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
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    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/084—Y-type faujasite
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    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/085—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
    • B01J29/088—Y-type faujasite
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    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
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    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
    • B01J29/185—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
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    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/405—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
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    • B01J29/65—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively
    • B01J29/655—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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    • B01J29/7049—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
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    • B01J29/7049—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
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    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
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  • Chemical & Material Sciences (AREA)
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Abstract

a presente invenção provê um método para preparar etilenoglicol a partir da hidrólise de éter monometílico de etilenoglicol. o método compreende a passagem de uma matéria-prima fresca contendo éter monometílico de etilenoglicol e água através de uma zona de reação carregada com um catalisador ácido sólido para reagir sob as condições a seguir; separar a mistura reagida via um sistema de separação para obter um produto alvo de etilenoglicol, subprodutos, contendo metanol, éter dimetílico e derivados à base de etilenoglicol, e uma matéria-prima não reagida contendo éter monometílico de etilenoglicol e água; passar o produto alvo de etilenoglicol para um sistema de coleta de produto; e passar álcool metílico e éter dimetílico nos subprodutos para um sistema de coleta de subprodutos; e, depois de serem misturados com matérias-primas frescas contendo éter monometílico de etilenoglicol e água, os derivados à base de etilenoglicol nos subprodutos e a matéria-prima não reagida, contendo éter monometílico de etilenoglicol e água, são reciclados para a zona de reação para realizar o preparo de etilenoglicol a partir da hidrólise de éter monometílico de etilenoglicol. a presente invenção provê um novo processo para realizar o preparo de etilenoglicol a partir da hidrólise de éter monometílico de etilenoglicol. além disso, no método, o catalisador dispõe de vida longa e de boa estabilidade
BR112018006515-3A 2015-09-30 2015-12-08 método para preparar etilenoglicol a partir da hidrólise de éter monometílico de etilenoglicol BR112018006515A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510644148.3A CN106554250B (zh) 2015-09-30 2015-09-30 一种乙二醇单甲醚水解制备乙二醇的方法
CN201510644148.3 2015-09-30
PCT/CN2015/096645 WO2017054317A1 (zh) 2015-09-30 2015-12-08 一种乙二醇单甲醚水解制备乙二醇的方法

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US (1) US10315973B2 (pt)
EP (1) EP3330245B1 (pt)
JP (1) JP6538971B2 (pt)
CN (1) CN106554250B (pt)
BR (1) BR112018006515A2 (pt)
EA (1) EA033843B1 (pt)
WO (1) WO2017054317A1 (pt)
ZA (1) ZA201801834B (pt)

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EP4279478A4 (en) * 2021-02-03 2024-03-27 Dalian Inst Chem & Physics Cas PROCESS FOR PREPARING GLYCOLIC ACID BY HYDROLYSIS OF ALKOXYACETATE
CN114853592B (zh) * 2021-02-03 2024-03-19 中国科学院大连化学物理研究所 一种烷氧基乙酸酯水解制取乙醇酸的方法
EP4279477A4 (en) * 2021-02-03 2024-04-03 Dalian Inst Chem & Physics Cas PROCESS FOR PRODUCING GLYCOLIC ACID AND METHYL GLYCOLATE BY HYDROLYSIS OF METHYL METHOXYACETATE AND METHOXYACETIC ACID

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JP2018529695A (ja) 2018-10-11
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