Biochar Extract Production via Pyrolysis Control and Extraction
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Solution Overview
Problem
Current biochar applications are limited by high usage volumes, application difficulties, and product inconsistencies, which hinder widespread agricultural and commercial adoption.
Innovation Solution
The method involves selectively pyrolyzing biomass to create biochars with desirable residual compounds, followed by post-treatment to optimize these compounds, and then extracting these compounds to produce a biochar extract that can be used in agriculture and horticulture to support plant health, growth, and yield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If biochar is used at high rates (5-50 tons/ha), then plant growth and yield benefits are improved, but cost and application difficulty increase
Solution Approach 1:
The patent extracts soluble signaling compounds from biochar through liquid extraction, separating the beneficial chemical compounds from the solid biochar matrix. This allows the active components to be applied in liquid form at much lower rates than traditional biochar application, reducing application difficulty while maintaining plant growth benefits.
Solution Approach 2:
The patent changes the physical and chemical parameters of the biochar by controlling pyrolysis conditions (temperature, residence time, heating rate) to optimize the production of desirable residual compounds. This parameter optimization enables consistent production of biochar with enhanced properties that require lower application rates.
2Ease of manufacture
If conventional biochar production methods are used, then production simplicity is maintained, but product consistency deteriorates
Solution Approach 1:
The patent implements feedback control in the pyrolysis process by monitoring and adjusting heating rate, temperature, and residence time based on real-time data. This feedback mechanism ensures consistent production of biochar with desired properties while maintaining relatively simple equipment design.
Solution Approach 2:
The patent systematically controls and optimizes pyrolysis parameters (temperature profile, heating rate, residence time) to achieve consistent product quality. By establishing optimal parameter ranges and maintaining them during production, the patent achieves both simplicity and consistency.
3Reliability
If high volumes of biochar are applied, then plant health improvements are achieved, but cost increases
Solution Approach 1:
The patent extracts soluble signaling compounds from biochar, concentrating the beneficial components into a liquid extract. This extraction allows application of active compounds at much lower volumes than whole biochar, reducing material costs while maintaining plant health benefits.
Solution Approach 2:
The patent optimizes pyrolysis parameters to maximize the concentration of desirable residual compounds in the biochar. By improving compound concentration through parameter optimization, the patent reduces the quantity of material needed for effective application.
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 the production of biochars and biochar extracts with enhanced properties, such as increased seed germination rates and improved early plant development, while reducing the need for high application rates and addressing product inconsistencies.
Implementation Method 1
Biochar is most commonly created by the pyrolysis of biomass, which generally involves heating and/or burning of organic matter, in a reduced oxygen environment, at a predetermined rate
Implementation Method 2
extracting the desirable residual organic compounds, particularly soluble signaling compounds, from these biochars to produce a biochar extract with the desired compounds
Data Source
AI summary
The present invention relates to (1) a method for producing biochar having bio stimulating effects, (2) biochar that has been produced to having increased bio stimulating effects, (3) a method for capturing material extracted from biochar and (4) biochar extracts, comprising desired compounds extracted from biochar and suspended in an extract solution. The methods above all involve obtaining a particular biomass source and pyrolyzing the biomass source under specific conditions to increase the bio stimulating effects of the biochar. The method for capturing the material extracted from the biochar produced to have such stimulating effects includes contacting the biochar with a treating liquid, separating the biochar from the biochar extract, collecting the biochar extract from which the biochar has been separated and resuspending the biochar extract in an modified aqueous solution for further use and/or processing separate from, or prior to, disposal. The biochar extract suspended in solution then includes desired compounds (a) at least 0.1 ppm of one or more of the following phenylpropanoid, phenylalanine, flavonoids, sterols, terpenes, terpenoids, tannins, coumarins, benzaldehydes and phenols; (b) at least 0.1 g/L of humics, fulvics or a combination of both humics and fulvics and/or (c) one or more of the following salicylic acid, jasmonic acid, abscisic acid, cytokinin, gibberellic acid and ethylene, by way of example.