Strontium Phosphate Apatite Catalyst for Butanol Synthesis
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for synthesizing butanol from ethanol have unsatisfactory selectivity for industrialization purposes, and there is a need for a more efficient catalyst to convert bioethanol into butanol.
Innovation Solution
A catalyst comprising strontium phosphate apatite with a specific Sr/P atomic ratio of 1.5-2.0 is used for the direct synthesis of butanol from ethanol, which includes contacting ethanol with the catalyst at 200-350°C and removing butanol from the reaction product to enhance selectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If calcium phosphate apatite is used as a catalyst for converting ethanol to butanol, then the reaction can proceed, but the butanol selectivity remains unsatisfactory for industrialization
Solution Approach 1:
The patent changes the chemical composition parameters of the catalyst by substituting calcium with strontium in the phosphate apatite structure. This parameter change (compositional modification) transforms the catalyst from calcium phosphate apatite to strontium phosphate apatite, which significantly improves butanol selectivity while maintaining industrial applicability
Solution Approach 2:
The patent employs strontium phosphate apatite as a composite catalyst material with specific Sr/P atomic ratio (1.5-2.0). This composite material approach creates a catalyst with optimized properties that simultaneously achieves high butanol selectivity and industrial scalability
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 method achieves high selectivity and yield of butanol, optimizing reaction conditions such as temperature and catalyst composition to prevent side reactions and increase material utilization of ethanol.
Implementation Method 1
a catalyst for synthesizing butanol from ethanol, wherein the catalyst comprises strontium phosphate apatite having a Sr/P atomic ratio of 1.5-2.0
Implementation Method 2
ethanol is contacted with the catalyst at 200-350° C.
Data Source
AI summary
The present invention is intended to provide a catalyst which is for synthesizing butanol from ethanol at a high selectivity and which comprises strontium phosphate apatite having the Sr/P atomic ratio of 1.5-2.0, and the synthesis method.