Ionic Liquid Solvent for Furfural Conversion
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Solution Overview
Problem
Current methods for synthesizing furfuranol-based and 2-furancarboxylic acid-based compounds face challenges such as high energy requirements, use of expensive and eco-unfriendly catalysts, and the need for separate production processes, which hinder their commercialization and environmental sustainability.
Innovation Solution
A method using an ionic liquid as a solvent to react a furfural-based compound with a hydroxide of an alkali or alkaline earth metal, allowing for the efficient production of furfuranol and 2-furancarboxylic acid compounds without water, enabling easy recovery and reuse of the solvent, and simplifying the separation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional methods using typical organic or inorganic oxidant/reductant are used, then furfuranol-based compound and 2-furancarboxylic acid-based compound can be produced, but expensive catalysts and heavy metals are required which are eco-unfriendly
Solution Approach 1:
The invention changes the reaction medium from conventional organic solvents to ionic liquid, which enables the use of earth-abundant metals (Fe, Co, Ni) instead of expensive and eco-unfriendly catalysts (Pd, Pt, Rh), thereby resolving the contradiction between ease of manufacture and harmful factors
Solution Approach 2:
The invention replaces expensive precious metal catalysts with cheap earth-abundant metal catalysts, making the process more economically viable and environmentally friendly while maintaining high reaction efficiency
2Productivity
If conventional methods are used, then furfuranol-based compound and 2-furancarboxylic acid-based compound can be produced, but high temperature and high pressure conditions are required
Solution Approach 1:
The invention changes the reaction conditions from high temperature and high pressure to mild conditions by using ionic liquid as solvent, which maintains high productivity while significantly reducing energy consumption
Solution Approach 2:
The ionic liquid acts as an intermediary medium that facilitates the reaction between furfural-based compound and hydroxide, enabling high reaction efficiency under mild temperature and pressure conditions
3Ease of operation
If water is used as reaction solvent, then the reaction can proceed, but reaction wastewater is generated which is environmentally harmful
Solution Approach 1:
The invention replaces water as reaction solvent with ionic liquid, which eliminates wastewater generation while maintaining ease of operation, as the ionic liquid can be easily separated and reused
Solution Approach 2:
The ionic liquid solvent can be easily recovered and reused after the reaction, eliminating the need to dispose of contaminated water and reducing environmental harm
4Adaptability or versatility
If conventional separate processes are used for DHMF and HMFA production, then each compound can be produced independently, but multiple independent processes increase complexity and cost
Solution Approach 1:
The invention merges the production of DHMF and HMFA into a single reaction process using ionic liquid as solvent, simplifying the overall process while maintaining the ability to produce both compounds independently through simple separation steps
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach results in an eco-friendly, cost-effective, and high-yield production of furfuranol and 2-furancarboxylic acid compounds, utilizing biomass-derived materials and avoiding wastewater generation, with improved separation efficiency and productivity.
Implementation Method 1
reacting a furfural-based compound with a hydroxide of an alkali metal or an alkaline earth metal using an ionic liquid as a solvent
Implementation Method 2
the ionic liquid used as the solvent may be easily recovered and reused
Data Source
AI summary
This invention relates to a method of, in an eco-friendly manner, preparing a furfuranol-based compound and a 2-furancarboxylic acid-based compound using an ionic liquid as a reaction solvent, which includes reacting a furfural-based compound with a hydroxide of an alkali metal or an alkaline earth metal using an ionic liquid as the solvent, thus obtaining a furfuranol-based compound and a 2-furancarboxylic acid-based compound, and in which water is not used as the reaction solvent, thus preventing the generation of reaction wastewater, and the ionic liquid used as the solvent can be easily recovered and reused.