Fructose Production Without Intermediate Evaporation
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Solution Overview
Problem
Existing methods for producing fructose-based compositions, such as HFS 55 and HFS 95, require significant energy consumption and involve heavy installations due to multiple evaporation and chromatography steps.
Innovation Solution
A method and installation that eliminate the evaporation step between isomerization and chromatographic purification, maintaining a constant dry matter mass concentration, and utilize a multicolumn chromatography system with reduced eluent consumption and column sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple evaporation steps are used to concentrate glucose and fructose compositions, then the concentration and purity of the final product is improved, but the energy consumption and installation complexity increase significantly
Solution Approach 1:
The invention extracts and eliminates the intermediate evaporation step from the traditional three-evaporation process. By removing this redundant concentration step between isomerization and chromatography, the process reduces energy consumption while maintaining the ability to achieve the required fructose composition purity through the optimized chromatography system.
Solution Approach 2:
The invention changes the operational parameters of the chromatography system, specifically operating at temperatures of 50-70°C (preferably 60°C) and optimizing the eluent flow rates. These parameter changes allow the chromatography step to perform both separation and concentration functions, replacing the need for the intermediate evaporation step and reducing overall energy consumption.
2Manufacturing precision
If traditional three-evaporation method is used, then the fructose composition is obtained with high purity, but the installation becomes heavy and complex
Solution Approach 1:
The invention merges the separation and concentration functions into a single chromatography step. By optimizing the chromatography conditions and eliminating the intermediate evaporation, the process achieves both purification and concentration in one operation, thereby simplifying the installation while maintaining high fructose composition purity.
Solution Approach 2:
The invention removes the intermediate evaporation unit from the installation sequence. This extraction of the redundant concentration step reduces the number of evaporation units required, simplifying the overall installation structure while the optimized chromatography system compensates to maintain the required product purity.
3Productivity
If intermediate composition is concentrated by evaporation before purification, then the chromatography efficiency is improved, but the energy consumption and processing time increase
Solution Approach 1:
The invention changes the chromatography operational parameters, specifically operating at elevated temperatures (50-70°C) and optimizing eluent flow rates. These parameter changes increase the chromatography efficiency by improving mass transfer rates and separation kinetics, allowing the system to achieve high purification efficiency without requiring intermediate concentration that would add processing time.
4Manufacturing precision
If eluent volume is increased to improve chromatography separation, then the purification quality is improved, but the cost and waste treatment requirements increase
Solution Approach 1:
The invention implements a feedback mechanism where the chromatography system operates in a continuous or semi-continuous mode with optimized eluent flow rates. By carefully controlling and adjusting the eluent flow based on process conditions, the system achieves high purification quality while minimizing eluent consumption and reducing waste treatment requirements.
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 approach reduces energy consumption, eluent volume, and stationary phase usage while increasing the volume of feedstock treated, allowing for a more compact and cost-effective production process.
Implementation Method 1
purification of the intermediate composition in a multicolumn chromatography system, making it possible to obtain a glucose-rich raffinate and a fructose-rich extract
Implementation Method 2
concentration of the initial composition by evaporation of water
Implementation Method 3
isomerization of glucose to fructose from the concentrated initial composition
Data Source
AI summary
The invention relates to a method for producing a fructose composition comprising the following successive stages:provision of an initial composition comprising glucose;concentration of the initial composition by evaporation of water to obtain a concentrated initial composition;isomerization of glucose to fructose from the concentrated initial composition, making it possible to obtain an intermediate composition;purification of the intermediate composition in a multicolumn chromatography system, making it possible to obtain a glucose-rich raffinate and a fructose-rich extract;concentration of the extract by evaporation of water;wherein the intermediate composition is not subjected to a concentration step by evaporation of water between the isomerization step and the purification step.