Process for separating furanic compounds, in particular 5- hydroxymethylfurfural, from dimethoxysulfoxide by liquid-liquid extractions

The invention relates to a process for separating furanic compounds from a feedstock additionally containing dimethoxysulfoxide (DMSO). These furanic compounds are in particular 5-hydroxymethylfurfural (5-HMF), 2,5-diformylfuran (DFF), 2,5-furanedicarboxylic acid (FDCA) or dimethyl 2,5-furandicarbox...

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Main Authors DROZDZ SOPHIE, JACQUIN MARC
Format Patent
LanguageChinese
English
Published 11.08.2020
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Abstract The invention relates to a process for separating furanic compounds from a feedstock additionally containing dimethoxysulfoxide (DMSO). These furanic compounds are in particular 5-hydroxymethylfurfural (5-HMF), 2,5-diformylfuran (DFF), 2,5-furanedicarboxylic acid (FDCA) or dimethyl 2,5-furandicarboxylate (DMFDCA). The process successively comprises a) bringing the feedstock into contact with wateroriginating from step c), then b) a liquid-liquid extraction with an organic solvent followed by a back extraction c) by the water added in order to obtain an organic extract rich in furanic compounds. The extract may then be subjected to a crystallization step d) and then a filtration in order to obtain the solid furanic compound. The water-rich or solvent-rich effluents are advantageously recycled respectively to the back extraction and the extraction. 本发明涉及一种从另外含有二甲亚砜(DMSO)的原料中分离呋喃类化合物的方法。这些呋喃类化合物特别是5-羟甲基糠醛(5-HMF)、2,5-二甲酰基呋喃(DFF)、2,5-呋喃二甲酸(FDCA)或2,5-呋喃二甲酸二甲酯(DMFDCA)。所述方法相继包括a)使原料与源自步骤c)的水接触,然后b)用有机溶剂液-液萃取,接着c)通过加入
AbstractList The invention relates to a process for separating furanic compounds from a feedstock additionally containing dimethoxysulfoxide (DMSO). These furanic compounds are in particular 5-hydroxymethylfurfural (5-HMF), 2,5-diformylfuran (DFF), 2,5-furanedicarboxylic acid (FDCA) or dimethyl 2,5-furandicarboxylate (DMFDCA). The process successively comprises a) bringing the feedstock into contact with wateroriginating from step c), then b) a liquid-liquid extraction with an organic solvent followed by a back extraction c) by the water added in order to obtain an organic extract rich in furanic compounds. The extract may then be subjected to a crystallization step d) and then a filtration in order to obtain the solid furanic compound. The water-rich or solvent-rich effluents are advantageously recycled respectively to the back extraction and the extraction. 本发明涉及一种从另外含有二甲亚砜(DMSO)的原料中分离呋喃类化合物的方法。这些呋喃类化合物特别是5-羟甲基糠醛(5-HMF)、2,5-二甲酰基呋喃(DFF)、2,5-呋喃二甲酸(FDCA)或2,5-呋喃二甲酸二甲酯(DMFDCA)。所述方法相继包括a)使原料与源自步骤c)的水接触,然后b)用有机溶剂液-液萃取,接着c)通过加入
Author JACQUIN MARC
DROZDZ SOPHIE
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DocumentTitleAlternate 通过液-液萃取将呋喃类化合物,特别是5-羟甲基糠醛与二甲亚砜分离的方法
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Snippet The invention relates to a process for separating furanic compounds from a feedstock additionally containing dimethoxysulfoxide (DMSO). These furanic compounds...
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SubjectTerms CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Title Process for separating furanic compounds, in particular 5- hydroxymethylfurfural, from dimethoxysulfoxide by liquid-liquid extractions
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