Automated CBD Extraction Line Segmentation and Control
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Solution Overview
Problem
Current technologies for producing cannabidiol (CBD) extracts from industrial hemp exhibit low production efficiency, particularly in achieving high purity with minimal detectable tetrahydrocannabinol (THC) content.
Innovation Solution
An automated production line comprising a central controller, solvent dispensing tank, extraction tank, concentration tanks, filter press, chromatography column, and crystallization device, utilizing solenoid valves and pumps to facilitate a cycle of extraction, concentration, filtration, elution, and crystallization to enhance CBD extract purity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If current technologies are used for CBD production, then the production process is simpler, but the production efficiency is low and purity is insufficient
Solution Approach 1:
The production line is divided into multiple independent functional modules: extraction tank, first concentration tank, dilution tank, filter press, second concentration tank, chromatography column, and crystallization device. Each module performs a specific operation in the CBD purification process, allowing for optimized operation of each step while maintaining overall system coordination through automated control.
Solution Approach 2:
Multiple intermediaries are introduced to facilitate material transfer and process control between different stages: solvents for extraction and dilution, concentrated CBD solutions as intermediates between extraction and final purification, and automated control systems that mediate between process requirements and equipment operation. These intermediaries enable smooth transitions between processing stages.
2Productivity
If manual operations are used, then the device complexity is lower, but the production efficiency and precision are reduced
Solution Approach 1:
The automated control system incorporates feedback mechanisms to monitor and adjust various parameters throughout the production process. Sensors detect conditions such as solvent levels, pressure, temperature, and flow rates, and the control system automatically adjusts pump speeds, valve positions, and processing parameters to optimize CBD extraction efficiency and maintain consistent product quality.
Solution Approach 2:
The system is designed to operate with minimal human intervention. The automated control system manages material transfer between tanks, controls concentration and dilution processes, operates the filter press, and monitors the chromatography and crystallization steps. The system self-regulates based on pre-programmed parameters and sensor feedback, reducing the need for manual operations while maintaining high efficiency.
3Productivity
If extraction process is optimized for high CBD yield, then production efficiency increases, but THC content may increase along with CBD
Solution Approach 1:
The chromatography column is specifically designed to separate CBD from THC by exploiting their different chemical properties and interactions with the chromatography medium. As the CBD-rich extract passes through the column, CBD molecules interact differently with the stationary phase compared to THC molecules, causing them to elute at different rates. This selective extraction process removes THC from the CBD extract, achieving high CBD yield while eliminating harmful THC content.
Solution Approach 2:
Different stages of the production line are optimized for different quality aspects: the extraction and concentration stages focus on maximizing CBD yield and efficiency, while the chromatography and crystallization stages focus on purifying the CBD by removing THC and other impurities. Each stage has specific operational parameters tailored to its local quality objective, allowing the system to achieve both high productivity and high purity simultaneously.
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
The automated system increases production efficiency by minimizing human intervention and enhancing CBD extract purity through a controlled process, ensuring low or no detectable THC content in the final product.
Implementation Method 1
a first solenoid valve and a first pump... Upon receiving a first activation signal from the central controller, the first solenoid valve and the first pump are activated
Implementation Method 2
allow the separation solvent to follow through the first conduit into the extraction tank under the operation of the first pump to extract CBD from the flowers and leaves
Implementation Method 3
The CBD extract solution then flows into a first concentration tank to be concentrated a first CBD concentrate
Implementation Method 4
The diluted CBD solution then flows to a filter press to be filtered to form a CBD filtrate
Implementation Method 5
The second CBD concentrate is loaded onto a chromatography column to form a CBD eluate. The chromatography column also receives an eluent from an eluent source. The eluent elutes the second CBD concentrate to form the CBD eluate
Implementation Method 6
A crystallization device then receives and crystalizes the CBD eluate to yield the CBD extracts
Data Source
AI summary
An automated production line for preparing cannabidiol (CBD) extracts is disclosed. The production line comprises sequentially a solvent dispensing tank, an extraction tank, a first concentration tank, a dilution tank, a filter, a second concentration tank, a chromatography column and a crystallization device. Each of these elements is connected to and controlled by a central controller. The controller can control the operation of these elements such that one element may operate independently of the other. Hence, each of these elements may operate for a sufficient period of time to allow the completion of the particular CBD production step carried out by that particular element. The amount of operations by humans may be reduced, thereby increasing the production efficiency.