Oxidation Process for MCFC and FDCA Production
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for an efficient process to produce 5-(alkoxycarbonyl)furan-2-carboxylic acids (ACFC) and furan-2,5-dicarboxylic acid (FDCA) from renewable resources, as they serve as promising biobased alternatives to aromatic dicarboxylic acids used in polyester production, but existing methods lack high yield and efficiency.
Innovation Solution
A process involving the oxidation of oxidizable compounds, such as methyl 5-methylfuran-2-carboxylate, in the presence of an oxidizing gas stream, a solvent stream, and a catalyst system comprising cobalt, manganese, and bromine at temperatures between 50°C to 220°C, which produces high yields of 5-(methoxycarbonyl)furan-2-carboxylic acid (MCFC) and FDCA, minimizing solvent and starting material loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional oxidation methods are used to produce ACFC and FDCA, then the process can proceed with standard conditions, but the yield is low and efficiency is poor
Solution Approach 1:
The patent changes multiple parameters including temperature (50-220°C range), pressure conditions, oxygen concentration, and catalyst composition to optimize the oxidation reaction. These parameter changes enable high yield production of ACFC and FDCA while improving oxidation efficiency and reducing energy loss.
Solution Approach 2:
The patent introduces catalyst systems comprising cobalt, manganese, and bromine as intermediaries to facilitate the oxidation reaction. These catalysts act as mediators between the oxidizable compounds and oxygen, enabling the reaction to proceed with high efficiency and selectivity, thereby improving productivity and reducing energy loss.
2Productivity
If oxidation conditions are intensified to improve yield, then productivity increases, but solvent and starting material loss increases
Solution Approach 1:
The patent optimizes reaction parameters including temperature control (50-220°C), oxygen-to-substrate ratio, and reaction time to achieve high ACFC yield while minimizing solvent and starting material loss. The controlled parameter changes ensure intense oxidation without excessive material loss.
Solution Approach 2:
The catalyst system acts as an intermediary that enhances reaction efficiency, allowing the oxidation to proceed at optimal rates with minimal waste. The catalysts enable complete conversion of starting materials to products, reducing both solvent and starting material loss while maintaining high productivity.
3Quantity of substance
If oxidation is performed to produce carboxylic acid composition, then the desired product is formed, but impurities and carbon burn occur
Solution Approach 1:
The patent carefully controls oxidation parameters including temperature (50-220°C), oxygen concentration, and reaction time to produce carboxylic acid composition with minimal impurities and carbon burn. The optimized parameters ensure selective oxidation that avoids over-oxidation and formation of harmful byproducts.
Solution Approach 2:
The catalyst system comprising cobalt, manganese, and bromine acts as intermediaries that guide the oxidation reaction toward the desired carboxylic acid products while preventing side reactions. These catalysts enhance selectivity, reducing impurity formation and carbon burn while maintaining high product yield.
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 process achieves high yields of ACFC and FDCA, with MCFC yields exceeding 80%, reducing impurities and carbon burn, and enabling the production of dry, purified carboxylic acid compositions suitable for polyester resin production.
Implementation Method 1
oxidizing furates in the presence of oxygen, a saturated organic acid solvent having from 2-6 carbon atoms, and a catalyst system at a temperature of 50° C. to 220° C. to produce the carboxylic acid composition comprising MCFC
Implementation Method 2
a catalyst system comprising cobalt, manganese, and bromine
Data Source
AI summary
Disclosed herein is a very efficient method to make 5-(alkoxycarbonyl)furan-2-carboxylic acids (ACFC) from feedstocks comprised of furoates. When a feedstock comprised of methyl 5-methylfuran-2-carboxylate (MMFC) is used a product comprised of (5-(methoxycarbonyl)furan-2-carboxylic acid (MCFC) is obtained in high yield.