Microwave Flash Chamber for Solvent-Free Oil Extraction
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Solution Overview
Problem
Conventional oil extraction methods, such as steam distillation, are energy-intensive and time-consuming, and microwave-assisted techniques face limitations in scalability and commercial viability due to high energy requirements and processing time.
Innovation Solution
A microwave-enhanced flash chamber system that uses a microwave source to superheat a liquid media interacting with a target material, allowing for efficient extraction of essential oils without solvents at atmospheric pressure, utilizing an array of antennas within a fluid chamber to create a hot spot for effective oil extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional steam distillation is used for oil extraction, then extraction effectiveness is achieved, but energy consumption is high and processing time is long
Solution Approach 1:
The patent replaces the conventional thermal steam distillation system with a microwave-based extraction system. The microwave source directly energizes the liquid media through dielectric heating, eliminating the need for external steam generation boilers and mechanical heating systems. This substitution of the heating mechanism dramatically reduces energy consumption while maintaining extraction effectiveness.
Solution Approach 2:
The patent changes the physical state and temperature parameters of the liquid media by using microwave radiation to achieve rapid superheating. The liquid media is heated to temperatures above its boiling point without phase change, creating a superheated state that enhances extraction efficiency while reducing processing time and energy requirements compared to conventional steam distillation.
2Loss of time
If microwave-assisted extraction is used, then processing time is reduced, but scalability and commercial viability are limited due to high energy requirements
Solution Approach 1:
The patent employs an array of multiple antennas positioned within the flash chamber to create localized hot spots of microwave energy. This distributed antenna configuration enables scalable processing by allowing multiple extraction zones to operate simultaneously, improving overall throughput and commercial viability while maintaining reduced processing times.
Solution Approach 2:
The microwave extraction system is divided into multiple independent antenna units that can be individually controlled and positioned. This segmentation allows the system to be scaled by adding or removing antenna elements, enabling flexible adaptation to different production volumes and improving commercial scalability without proportionally increasing energy requirements.
3Productivity
If solvents are used in microwave-assisted distillation, then extraction speed is accelerated, but additional separation and purification steps are required
Solution Approach 1:
The patent removes solvents entirely from the extraction process, using only liquid media (such as water or food-grade liquids) in combination with microwave energy. This elimination of organic solvents accelerates the extraction process while simplifying the overall system by removing the need for additional solvent recovery, separation, and purification equipment, thereby reducing process complexity.
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 reduces energy consumption and processing time, enabling larger batch oil extraction with higher efficiency and potential for industrial applications, as demonstrated by successful extraction of oils from peanut and soybean materials.
Implementation Method 1
a microwave source in communication with the flash chamber for providing a quantity of energy to a plurality of antenna within the flash chamber
Implementation Method 2
the quantity of energy from the microwave source interacts with the array of antennas to heat the liquid media held in the fluid chamber to a superheated state
Implementation Method 3
heat the liquid media held in the fluid chamber to a superheated state
Implementation Method 4
the liquid media in the superheated state interacts with the target material to extract an extraction product from the target material
Data Source
AI summary
An enhanced flash chamber with a flash chamber; a microwave source in communication with the flash chamber for providing a quantity of energy to a plurality of antennas within the flash chamber; a fluid chamber positionable within the flash chamber capable of holding a liquid and the plurality of antennas; and transport tubing for transporting a target material for extraction through the fluid chamber where the quantity of energy from the microwave source interacts with the plurality of antennas to heat the liquid held in the fluid chamber to a superheated state and the superheated state of the liquid transfers a portion of the quantity of energy to the target material to extract an extraction product from the target material.