Roller Crusher Hydrolysis of Cellulosic Biomass for High Sugar Yield
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for hydrolyzing cellulose to produce sugars are inefficient, costly, and result in high energy consumption due to the crystalline structure of cellulose and the presence of lignin, leading to low yield and significant energy expenditure.
Innovation Solution
A system utilizing rollers or grinding elements with high hardness and controlled RPMs for solid-solid reactions, combined with atmospheric equilibrium sensors, to break down lignocellulosic biomass without external catalysts, optimizing reaction conditions through micro-mixing and shearing forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional hydrolysis methods are used to convert cellulose to sugar, then the process can proceed with simple equipment, but the crystalline structure of cellulose and presence of lignin result in low sugar yield and high energy consumption
Solution Approach 1:
The patent applies preliminary embrittlement and drying steps to the cellulosic material before hydrolysis. This预处理 makes the crystalline cellulose structure more accessible to enzymes or acid catalysts by reducing its recalcitrance, thereby improving sugar yield without requiring excessive energy during the main hydrolysis process
Solution Approach 2:
The patent employs chemical or thermal stress to change the physical and chemical parameters of the cellulosic material. This includes modifying the crystalline structure and reducing lignin interference, making the material more susceptible to hydrolysis and improving overall conversion efficiency while managing energy consumption
2Productivity
If chemical or thermal stress is applied to convert cellulose derivatives, then conversion can be achieved, but macromolecules decompose through chain scission causing viscosity decrease and product degradation
Solution Approach 1:
The patent applies controlled chemical or thermal stress that is sufficient to break down the recalcitrant crystalline structure and lignin barriers, but carefully managed to avoid excessive decomposition of the cellulose macromolecules. This partial action approach achieves adequate conversion while minimizing chain scission and sugar loss
Solution Approach 2:
The patent monitors the hydrolysis process to detect when macromolecule decomposition begins through viscosity changes. This feedback allows adjustment of process conditions to maintain optimal conversion while preventing excessive chain scission and monomeric sugar loss
3Reliability
If preliminary drying and embrittlement steps are performed on cellulosic material, then accessibility to catalysts is improved, but the surfaces become rough and additional energy is required for subsequent processing
Solution Approach 1:
The patent performs preliminary drying and embrittlement to improve catalyst accessibility to the crystalline cellulose structure. This预处理 reduces the recalcitrance of the material, allowing enzymes or acid catalysts to more effectively access and hydrolyze the cellulose chains
Solution Approach 2:
The patent modifies physical parameters such as moisture content and structural integrity through controlled drying and embrittlement. These parameter changes improve catalyst penetration and reaction efficiency while attempting to minimize the energy required for subsequent processing steps
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 method achieves high sugar yield with reduced energy consumption and cost, minimizing alternative product formation and monomeric sugar loss, while being easy to construct and maintain.
Implementation Method 1
induce hydrolysis to cleave the glyosidic linkage of cellulose to make monomeric sugar
Implementation Method 2
grind the mixture under pressure to induce a reaction between the cellulosic feedstock and a natural occurring griding element
Data Source
AI summary
A system for converting cellulosic feedstock to sugar is disclosed and has a reactor chamber configured receive the cellulosic feedstock, a crusher assembly configured to receive the cellulose feedstock wherein the crusher assembly is configured to grind the mixture under pressure to induce a reaction between the cellulosic feedstock and a natural occurring griding element in the feedstock to produce a grinded mixture and sugar, wherein the crusher assembly comprises rollers.