Recycled-Resource Ethanol Purification for Trace Impurity Control
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Solution Overview
Problem
Existing methods for producing ethanol from recycling type resources face challenges due to the presence of unknown trace components, which hinders their practical application and industrial value.
Innovation Solution
A novel production method that specifies and controls the content of trace substances in ethanol produced from recycling type resources, using a gas substrate containing carbon monoxide and hydrogen, to enhance its industrial value and derived product effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If ethanol is produced from recycling type resources using gas substrate containing carbon monoxide and hydrogen, then resource sustainability is improved, but trace components with unknown properties are introduced that hinder practical application
Solution Approach 1:
The patent applies parameter changes by establishing specific concentration ranges for trace components in the ethanol product. By defining precise parameters for acetaldehyde (0.01-5.0 g/L), ethyl acetate (0.01-5.0 g/L), and other impurities, the invention transforms the uncertain quality of recycling-type ethanol into a controlled product with predictable properties suitable for industrial applications.
Solution Approach 2:
The patent implements feedback control through a purification process that monitors and adjusts trace component concentrations. The multi-step purification method including distillation and adsorption operations provides feedback mechanisms to ensure the final ethanol product meets the specified quality parameters for industrial use.
2Manufacturing precision
If trace components are removed to improve product purity, then industrial value is enhanced, but production complexity and cost increase
Solution Approach 1:
The patent applies segmentation by dividing the purification process into distinct stages: initial distillation to remove bulk impurities, followed by adsorption processes for specific trace components, and final polishing steps. This segmented approach allows each stage to target specific impurities, achieving high purity without requiring an overly complex single-step process.
Solution Approach 2:
The patent implements local quality by applying different purification methods for different trace components based on their specific properties. For example, acetaldehyde is controlled through specific distillation conditions, while ethyl acetate and other impurities are removed through selective adsorption, optimizing the overall purification efficiency.
3Reliability
If trace component content is controlled within specific ranges, then derived product effectiveness is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent applies parameter changes by establishing optimal concentration ranges for trace components rather than requiring complete removal. By defining specific ranges for acetaldehyde (0.01-5.0 g/L), ethyl acetate (0.01-5.0 g/L), and other impurities, the invention achieves improved derived product effectiveness while maintaining manufacturable precision levels.
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 improves the ethanol conversion rate when synthesizing butadiene and enhances reaction rates for carboxylic acid ester synthesis, while also improving combustion efficiency when used as a fuel.
Implementation Method 1
producing ethanol from the synthetic gas by a fermentation process
Implementation Method 2
purification treatment such as distillation
Data Source
AI summary
The present disclosure provides a novel and practical alcohol and derivatives thereof which have more industrial value than existing petrochemical raw materials. The present disclosure further provides ethanol, characterized in that a peak in gas chromatography measured by gas chromatograph mass spectrometry (GC/MS) has at least one peak with a retention time selected from (A) a peak of 5 minutes 25 seconds to 5 minutes 35 seconds and two peaks of 2 minutes 55 seconds to 3 minutes 5 seconds; (B) a peak of 12 minutes 30 seconds to 12 minutes 40 seconds; (C) a peak of 6 minutes 36 seconds to 6 minutes 45 seconds; and (D) a peak of 15 minutes 00 seconds to 15 minutes 15 seconds.