Method for preparing 5-hydroxymethylfurfural by solid acid catalysis

A technology catalyzed by hydroxymethylfurfural and solid acid, which is applied in chemical instruments and methods, catalyst carriers, physical/chemical process catalysts, etc., can solve problems such as resource waste, physical and chemical properties and processing performance obstacles, and achieve easy separation and reduce Reaction activation energy, high activity effect
CN102399201AInactive Publication Date: 2012-04-04XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
Publication Date
2012-04-04
Estimated Expiration
Not applicable · inactive patent
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Abstract

The invention discloses a method for preparing 5-hydroxymethylfurfural by solid acid catalysis. The method comprises the following steps of taking lignin residue hydrolyzed by biomass as carrier raw material of solid acid; synthesizing the raw material into solid acid through a two-step way of carbonization and sulfonation, so that the waste material is recycled and the problem of disposal of pollutants is solved. In the dehydration reaction of lignin-based solid acid catalyzed fructose and glucose, the yield of 5-hydroxymethylfurfural can be respectively 84% and 68%; after the dehydration reaction, the lignin-based solid acid is easy to separate and reusable, the acid density of the solid acid can be reduced after being reused five times, and the yield of the 5-hydroxymethylfurfural is still higher than 75%. The method provided by the invention can be used for realizing emission without pollution, and is helpful for realizing environment-friendly producing process of 5-hydroxymethylfurfural.
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Description

technical field

[0001] The invention belongs to the technical field of renewable energy production, and in particular relates to a method for preparing 5-hydroxymethylfurfural by using a solid acid catalyst. Background technique

[0002] Oil, natural gas and coal have always been important sources of energy and chemical raw materials for human beings. However, with the increasingly serious environmental pollution and energy problems caused by the combustion of fossil fuels, the development of biomass energy and the reduction of dependence on mineral energy have become a priority for many countries. important energy strategy. Among many possible bio-based chemicals, 5-Hydroxymethylfurfural is an important chemical for the production of chemicals from biomass, which can be directly converted into various products with high added value and new polymer materials, such as pharmaceuticals , resinous plastics, diesel fuel additives, etc.

[0003] Heterogeneous acid catalysts have...

Claims

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