Cu-Based Catalyst for Acetoin Dehydrogenation
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Solution Overview
Problem
The existing methods for producing acetoin, such as the acetaldehyde condensation process, suffer from high costs due to the use of expensive thiazole salt catalysts and result in acetoin products containing harmful impurities like sulfur and nitrogen, limiting their industrial implementation and purity.
Innovation Solution
A Cu-based catalyst is developed for use as a dehydrogenation catalyst in the production of acetoin, utilizing biomass-based materials like 2,3-butanediol, which offers high selectivity and reduces impurity content, enabling a more efficient and environmentally friendly production process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If thiazole salt catalyst is used in acetaldehyde condensation process, then acetoin can be produced, but harmful impurities such as sulfur and nitrogen are introduced into the product
Solution Approach 1:
The patent removes the thiazole salt catalyst from the reaction system and replaces it with a Cu-based catalyst. This extraction of the harmful catalyst eliminates the source of sulfur and nitrogen impurities while maintaining the acetoin production capability through the new catalytic system
Solution Approach 2:
The patent replaces the expensive thiazole salt catalyst with a more economical Cu-based catalyst system. The Cu-based catalyst achieves the same catalytic function without introducing harmful impurities, making the process both cheaper and cleaner
2Quantity of substance
If thiazole salt catalyst is used in acetaldehyde condensation process, then acetoin production can be achieved, but the process cost increases due to expensive catalyst
Solution Approach 1:
The patent substitutes the expensive thiazole salt catalyst with a cost-effective Cu-based catalyst system. This replacement significantly reduces the process cost while maintaining catalytic activity and acetoin production efficiency
Solution Approach 2:
The patent changes the catalytic system from thiazole salt to Cu-based catalyst, fundamentally altering the chemical parameters of the reaction system. This parameter change enables both cost reduction and elimination of harmful impurities
3Quantity of substance
If thiazole salt catalyst is used in acetaldehyde condensation process, then acetoin can be produced, but separation of catalyst from product becomes difficult
Solution Approach 1:
The patent extracts the thiazole salt catalyst from the system and replaces it with a Cu-based catalyst that can be more easily separated from the product, simplifying the purification process and operational procedures
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
The Cu-based catalyst achieves high selectivity and purity in acetoin production, eliminating harmful impurities like sulfur and nitrogen, making the process suitable for large-scale industrial use and compliance with food additive standards.
Implementation Method 1
The Cu-based catalyst produced according to the present invention, in an embodiment, can be used as a dehydrogenation catalyst to produce for example acetoin, and shows a high selectivity
Data Source
AI summary
The present invention relates to a preparation process for a Cu-based catalyst and use of the Cu-based catalyst as the dehydrogenation catalyst in producing a hydroxyketone compound such as acetoin. Said Cu-based catalyst shows a high the acetoin selectivity as the dehydrogenation catalyst for producing acetoin.