Catalytic Partial Oxidation of Biofeedstocks for Functionalized Olefins
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Solution Overview
Problem
The chemical industry's reliance on fossil fuels for olefin production leads to pollution and high costs, necessitating a process to produce olefins from renewable and inexpensive fuel sources.
Innovation Solution
A partial oxidation process using organic compounds with functional groups, such as biofeedstocks and biodiesel, where a catalyst is employed to produce olefins with preserved functionality, including olefinic esters and functionalized olefins, by reacting the fuel sources with oxygen under specific conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If steam cracking is used to produce olefins from fossil fuels, then olefin production is achieved, but pollution and high costs increase
Solution Approach 1:
The patent changes the chemical reaction parameters from conventional steam cracking to catalytic partial oxidation, using oxygen instead of steam and employing catalysts to achieve selective olefin production with reduced pollution
Solution Approach 2:
The patent uses oxygen as a strong oxidant in partial oxidation reactions to convert alkanes to olefins more efficiently and cleanly than steam cracking, reducing harmful emissions while maintaining high productivity
2Productivity
If steam cracking is used to produce olefins, then olefin production is achieved, but production costs increase
Solution Approach 1:
The patent employs catalytic partial oxidation with oxygen and specialized catalysts to reduce energy consumption and operational costs compared to high-temperature steam cracking processes
Solution Approach 2:
Using oxygen as the oxidant enables more efficient energy utilization and lower operating costs while achieving the same or better olefin production rates compared to conventional steam cracking
3Object-generated harmful factors
If renewable fuel sources are used instead of fossil fuels, then pollution is reduced, but olefin production efficiency may decrease
Solution Approach 1:
The patent optimizes reaction parameters including temperature, oxygen-to-fuel ratio, and catalyst composition to ensure high olefin production efficiency when using renewable fuels with functional groups
Solution Approach 2:
The patent uses catalysts as intermediaries to facilitate the partial oxidation of renewable fuels, enabling efficient conversion to olefins while preserving functional groups and maintaining high productivity
4Manufacturing precision
If partial oxidation is used to produce olefins from functionalized organic compounds, then functional groups are preserved in products, but process complexity increases
Solution Approach 1:
The patent optimizes reaction conditions including temperature control, oxygen partial pressure, and catalyst selection to achieve selective partial oxidation that preserves functional groups without requiring overly complex process equipment
Solution Approach 2:
Catalysts serve as intermediaries that enable selective oxidation reactions under milder conditions, preserving functional groups in the substrate while avoiding the need for complex multi-step synthesis pathways
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 selectivities of olefins and functionalized olefins, with significant preservation of functional groups in the reaction products, reducing pollution and costs associated with fossil fuel use.
Implementation Method 1
A partial oxidation process using organic compounds with functional groups, such as biofeedstocks and biodiesel, where a catalyst is employed to produce olefins with preserved functionality
Implementation Method 2
Partial oxidation is an exothermic reaction that can be represented, for example, by the following reaction of ethane with oxygen: C2H6+1⁄2O2→C2H4+H2O
Implementation Method 3
Partial oxidation is an exothermic reaction that can be represented, for example, by the following reaction of ethane with oxygen: C2H6+1⁄2O2→C2H4+H2O ΔHR=−105 kJ/mol
Data Source
AI summary
A process is disclosed for producing functionalized olefins from a fuel source including an organic compound including a functional group. Useful fuel sources include, for example, biofeedstocks (e.g., carbohydrates, triglycerides, polyols, and biodiesel). The process is preferably carried out by partial oxidation. The overall process can be carried out autothermally.