Acetone Conversion to C9 Alcohols via Transition Metal Catalysis
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Solution Overview
Problem
Current methods for producing hydrocarbon fuels rely heavily on non-renewable petroleum sources, leading to concerns about resource depletion and foreign dependence, with insufficient progress in replacing or supplementing petroleum as a fuel source.
Innovation Solution
A process involving the condensation of acetone and/or alcohols to form carbonyl compounds, followed by hydrogenation and hydrodeoxygenation using specific catalysts, such as transition metal catalysts like Ni, Cu, and Fe, to produce saturated or unsaturated alcohols and hydrocarbons, potentially reducing reliance on petroleum.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If petroleum is used to produce hydrocarbon fuels, then fuel supply is maintained, but resource depletion and foreign dependence worsen
Solution Approach 1:
The patent changes the source material parameters from petroleum (non-renewable) to acetone and alcohols (renewable biomass-derived), fundamentally altering the input composition to achieve sustainable fuel production while maintaining hydrocarbon output
Solution Approach 2:
The patent extracts and utilizes acetone and alcohol components from biomass waste streams, separating valuable feedstocks from what would otherwise be discarded materials, thereby creating a renewable fuel cycle independent of petroleum
2Productivity
If precious metal catalysts are used for hydrogenation and hydrodeoxygenation, then reaction efficiency is improved, but production cost increases
Solution Approach 1:
The patent replaces expensive precious metal catalysts with cheaper transition metal catalysts (Fe, Ni, Cu) that can be used in smaller quantities, significantly reducing production costs while maintaining adequate catalytic activity for the hydrogenation and hydrodeoxygenation reactions
Solution Approach 2:
The patent optimizes reaction parameters (temperature, pressure, catalyst loading) to achieve high conversion efficiency with minimal catalyst quantities, allowing the use of less expensive transition metals without sacrificing productivity
3Manufacturing precision
If multiple reaction steps are used to convert acetone to hydrocarbons, then product quality is improved, but process complexity increases
Solution Approach 1:
The patent combines condensation, hydrogenation, and hydrodeoxygenation reactions into a single integrated process using a catalyst combination, reducing the number of separate reaction steps and equipment units while maintaining product quality through synergistic catalysis
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 efficiently converts acetone and alcohols into valuable hydrocarbon fuels, offering a potential alternative to petroleum-based fuels and reducing production costs by using less expensive transition metal catalysts instead of precious metals.
Implementation Method 1
the second catalyst may include a transition metal catalyst, a zeolite catalyst or a precious metal catalyst. In some embodiments, the second catalyst may include a first row transition metal, and in some embodiments the first row transition metal may include Ni, Cu and/or Fe.
Implementation Method 2
the condensation, hydrogenation and/or hydrodeoxygenation of the one or more carbonyl compounds (e.g., aldehydes and/or ketones) includes first hydrogenating the one or more carbonyl compounds (i.e., converting the carbonyl compound to an alcohol)
Data Source
AI summary
A process for the production of saturated or unsaturated aliphatic alcohols and/or hydrocarbons includes condensing acetone and/or alcohol(s) to form one or more carbonyl compounds, and hydrogenating and/or hydrodeoxygenating at least one of the one or more carbonyl compounds to form the saturated or unsaturated alcohol(s) and/or hydrocarbons. In some embodiments, the condensation of acetone and/or alcohol(s) may be carried out in the presence of a solid acid catalyst and a transition metal catalyst. The saturated or unsaturated aliphatic alcohols and/or hydrocarbons may include one or more saturated linear C9 alcohols, C9 alkanes and/or one or more mono-unsaturated C9 alkenes.