Steam Cracking Control for Heterogeneous Biomass Biofuel
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Solution Overview
Problem
Existing methods for producing biofuels from biomass are limited by the need for homogeneous biomass supply, requiring stringent quality control and handling processes, which are not feasible with variable or heterogeneous biomass sources, and do not effectively produce compounds suitable for 'black pellets' due to inadequate parameterization and energy efficiency.
Innovation Solution
A digital model is developed to optimize steam cracking parameters based on the typology of plant constituents in the biomass, allowing for continuous or discontinuous production of biofuels by measuring and adjusting steam cracking conditions in real-time, even with heterogeneous biomass, using a facility equipped with sampling and analysis systems that inject data into a blockchain for supervised learning and parameter control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If homogeneous biomass supply is required for steam cracking, then biofuel production quality is improved, but biomass handling complexity and sorting requirements increase
Solution Approach 1:
The patent applies dynamics by making the steam cracking parameters adjustable and adaptive based on the actual biomass composition. The system dynamically modifies temperature, pressure, and residence time parameters according to the measured typology of plant constituents, allowing the process to adapt to heterogeneous biomass without requiring extensive pre-sorting or handling complexity
Solution Approach 2:
The patent changes the physical and chemical parameters of the steam cracking process (temperature, pressure, residence time) based on the biomass composition analysis. By adjusting these parameters according to the measured plant constituents, the system maintains high biofuel production quality while accepting heterogeneous biomass feedstock
2Use of energy by moving object
If steam cracking parameters are optimized for specific biomass types, then energy efficiency is improved, but adaptability to heterogeneous biomass decreases
Solution Approach 1:
The system dynamically adjusts steam cracking parameters based on real-time analysis of biomass composition. The digital model receives input data about the typology of plant constituents and automatically modifies temperature, pressure, and residence time to optimize energy efficiency for each specific biomass mixture, thereby maintaining high adaptability to heterogeneous feedstock
Solution Approach 2:
The patent implements a feedback mechanism where the biomass composition is measured and analyzed, then this information feeds back into the digital model to adjust the steam cracking parameters. This closed-loop control system ensures energy efficiency is optimized for each biomass type while maintaining the ability to handle heterogeneous mixtures
3Stability of the object's composition
If extensive sorting and handling processes are implemented, then biomass quality consistency is improved, but production time and operational complexity increase
Solution Approach 1:
The patent performs preliminary analysis of the biomass composition before the steam cracking process. By measuring the typology of plant constituents in advance and using this information to pre-adjust the cracking parameters, the system achieves consistent biofuel quality without requiring time-consuming sorting and handling processes during production
Solution Approach 2:
The patent replaces mechanical sorting and handling systems with a digital measurement and parameter adjustment system. Instead of physically sorting biomass to achieve quality consistency, the system uses analytical measurement of plant constituents and substitutes this with automated parameter optimization in the steam cracking process
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 enables efficient production of high-calorific value biofuels with improved energy efficiency and pellet cohesion, capable of handling heterogeneous biomass without the need for extensive sorting and handling, ensuring consistent quality and adaptability to varying biomass characteristics.
Implementation Method 1
the steam condenses and wets the surface of the material
Implementation Method 2
The condensed water initiates the hydrolysis of acetyl and methylglucuronic acid groups present in the hemicelluloses
Implementation Method 3
The biomass introduced into a steam cracking reactor, continuously or in batches, is rapidly heated by means of saturated steam under high pressure
Implementation Method 4
the explosive decompression results in the instantaneous evaporation of some of the condensation water present in the structure
Implementation Method 5
The steam explosion is a biomass treatment that is commonly used for the production of biofuels
Implementation Method 6
the steam will cause the mechanical breakage of the lignocellulosic structures
Implementation Method 7
the adjustment of the steam cracking parameters is controlled depending on the typology of the plant constituents of the biomass and on the digital model
Data Source
AI summary
A method for producing a biofuel by continuous or discontinuous steam cracking of lignocellulosic biomass, comprises: —recording a digital model of the optimal steam cracking parameters as a function of the typology of the plant constituents of the biomass; —supplying the steam cracking reactor with heterogeneous biomass; —measuring at least once during the treatment the typology of the plant constituents of the biomass; and —controlling the adjustment of the steam cracking parameters as a function of the typology of the plant constituents of the measured biomass and of the digital model.
