Plastic Biodegradation Device With Metallic-Membrane Release
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Solution Overview
Problem
Existing methods for biological degradation of plastics face challenges related to scalability, efficiency, and retention of bacterial activity, leading to ineffective management of plastic waste.
Innovation Solution
A device and method utilizing a chamber system with a metallic membrane and a striking element to release biological degrading agents for controlled biodegradation of non-biodegradable components, such as plastics, by rupturing a metallic membrane to release enzymes stored in a metallic tube.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If biological degrading strains are dispersed onto plastic surfaces or incorporated into bioreactors, then plastic degradation can occur, but scalability and retention of bacterial activity are limited
Solution Approach 1:
The patent incorporates biological degrading agents into the device structure before use, pre-positioning them within the hollow elongate tube. This preliminary action ensures that the degrading agents are ready for immediate deployment when the membrane is ruptured, eliminating the need for separate bacterial cultivation and application steps, thereby improving both scalability and retention of activity.
Solution Approach 2:
The metallic membrane acts as an intermediary barrier that controls the release of biological degrading agents. It maintains separation between the agents and the plastic waste during storage and transport, then allows controlled release when ruptured, ensuring reliable retention of bacterial activity until the intended moment of degradation.
2Ease of manufacture
If conventional disposal methods like landfilling and incineration are used, then plastic waste management is simplified, but environmental degradation is exacerbated
Solution Approach 1:
The device enables self-service degradation by containing biological degrading agents that automatically activate upon membrane rupture during or after use. The system performs its own waste degradation function without requiring external landfilling or incineration infrastructure, maintaining simplicity while eliminating environmental harm through natural biodegradation processes.
Solution Approach 2:
The patent converts the harmful persistence of plastic waste into a beneficial degradation process. By incorporating biological degrading agents that transform non-biodegradable plastic into biodegradable forms, the system turns the problematic durability of plastic into an opportunity for controlled, environmentally friendly degradation after use.
3Reliability
If a device structure is created to contain and release biological degrading agents, then controlled biodegradation is achieved, but device complexity increases
Solution Approach 1:
The device is segmented into distinct functional components: a hollow elongate tube for agent containment, a metallic membrane for controlled release, and a striking element for activation. This segmentation allows each component to perform its specific function reliably while maintaining overall structural simplicity that does not significantly increase manufacturing complexity.
Solution Approach 2:
Instead of using a complex mechanical or electronic release mechanism, the patent inverts the approach by using a simple fragile membrane that ruptures under minimal stress. This inversion simplifies the device structure while maintaining reliable controlled degradation, as the membrane's inherent fragility provides the release mechanism without requiring complex actuation systems.
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
Facilitates efficient biodegradation of plastic waste, reducing landfill accumulation and maintaining user convenience by ensuring complete degradation of plastic items after use.
Implementation Method 1
a striking element having a first side provided with a pointed metal head and facing the metallic membrane and a flat second side opposite to the first side. The striking element is movably arranged within the elongate tube to move longitudinally across the length of the first chamber to rupture the metallic membrane.
Implementation Method 2
Biological degradation of plastic offers a promising approach to mitigate plastic pollution by harnessing the natural enzymatic activities of microorganisms to break down plastic polymers into simpler compounds. Various biological degrading strains, such as bacterial or fungal strains, have been identified for their ability to degrade different types of plastic, including polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET), through the secretion of plastic-degrading enzymes such as esterases, lipases, and proteases.
Implementation Method 3
The rupturing of the metallic membrane causes release of the biological degrading agents into the elongate tube for biodegradation of the non-biodegradable component.
Data Source
AI summary
The present disclosure provides a device for biodegrading a non-biodegradable component. The device comprises a first chamber comprising a first end to adjustably connect to the component and a second end, an elongate tube disposed within the first chamber and extending across a length of the first chamber, a second chamber connected to the second end, a metallic elongate tube disposed within the second chamber storing biological degrading agents such that a metallic membrane is disposed between the metallic elongate tube and the elongate tube, and a striking element having a first side provided with a pointed metal head and facing the metallic membrane and a flat second side. The striking element is movably arranged in the elongate tube to move across the length of the first chamber to rupture the metallic membrane and cause release of the biological degrading agents into the elongate tube for biodegradation.