TiO2 Photocatalysis for CBD Dewaxing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current CBD extraction methods from wild hemp, such as Da Hinggan Ling wild hemp, face inefficiencies due to high wax and terpene content, leading to low CBD purity and high viscosity in extracts, with existing methods like distillation and chromatography being ineffective in thoroughly removing these impurities.
Innovation Solution
A method utilizing titanium dioxide (TiO2) photocatalysts under UV irradiation for redox reactions in solvent extraction processes to decompose wax and terpenes, optimizing nanoparticle size, amount, and conditions for effective dewaxing and terpene reduction, achieving high-quality and high-purity CBD oil with 99.0% content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional solvent extraction methods are used to extract CBD from wild hemp, then CBD can be obtained from the biomass, but the extract contains high levels of wax and terpene impurities that reduce purity and increase viscosity
Solution Approach 1:
The patent applies winterization process to extract and remove wax impurities from the CBD extract by cooling the solution to precipitate waxes, which are then filtered out. This extraction principle separates the desired CBD from unwanted wax components, improving purity while maintaining extraction efficiency.
Solution Approach 2:
The patent changes temperature parameters during the winterization process, cooling the CBD extract to specific temperatures to induce wax precipitation. By controlling temperature parameters, the process optimizes both CBD recovery and wax removal, resolving the contradiction between yield and purity.
2Manufacturing precision
If distillation and chromatography methods are used to purify CBD, then CBD purity can be improved, but the process becomes more complex and less effective at removing wax impurities
Solution Approach 1:
The patent replaces complex mechanical distillation and chromatography systems with a simpler winterization process based on temperature control and phase separation. This substitution achieves effective wax removal and CBD purification with significantly reduced equipment complexity and operational complexity.
3Manufacturing precision
If winterization process is applied to remove waxes from CBD extract, then wax content is reduced, but a large amount of ethanol is wasted and the process cannot thoroughly clear wax effectively
Solution Approach 1:
The patent applies the discarding and recovering principle by filtering and separating the precipitated wax from the CBD-rich solution during winterization. The filtered CBD solution is then concentrated and processed further, recovering the valuable CBD while discarding only the unwanted wax impurities, thereby minimizing ethanol waste and maximizing product recovery.
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 significantly enhances CBD extraction efficiency, achieving up to 85% CBD content in one-stage distillation, reduces terpene residues, and provides a cost-effective, reusable, and environmentally friendly process for producing high-purity CBD oil.
Implementation Method 1
The method and process of the present invention utilizes titanium dioxide (TiO2) photocatalyst for redox reaction under the irradiation of UV (ultraviolet) light in a solvent extraction process of CBD
Implementation Method 2
The method and process of the present invention utilizes titanium dioxide (TiO2) photocatalyst for redox reaction under the irradiation of UV (ultraviolet) light
Implementation Method 3
the TiO2 nanoparticles of the present invention can decompose the wax and terpene in the wild hemp crude extract through appropriate UV radiation to induce catalytic reaction at specific PH (potential hydrogen) levels
Data Source
AI summary
A novel method is developed to remove wax and terpene from the wild hemp plants to produce enriched cannabidiol (CBD) crude oil with high quality and further purify the crude oil into crystal/isolate with 99.0% content of CBD. The method utilizes titanium dioxide (TiO2) photocatalyst for redox reaction under the irradiation of UV (ultraviolet) light in a solvent extraction process of CBD, which significantly removes accompanying wax and terpene. With the beneficial photocatalyst property, the TiO2 decomposes the wax and terpene in the wild hemp crude extract through appropriate UV radiation to induce catalytic reaction at specific PH (potential hydrogen) levels. Through optimizing the photocatalyst dewaxing using TiO2, the method achieves the best dewaxing effect and maximum terpene reduction. Thus, the method offers a low-cost, reusable, and biologically friendly process of removing wax and terpene to maximize the efficiency and effectiveness of the separation processes in the CBD production.