Rotary Blade CO2 Capture With Passive Solution-Driven Flow
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Solution Overview
Problem
Existing carbon dioxide capture technologies are energy-intensive and require external power sources, limiting their scalability and convenience for capturing CO2 from air at room temperature.
Innovation Solution
A passive carbon dioxide capture system utilizing a rotary blade design with an air-permeable layer and capture solution that reacts with CO2, driven by renewable energy sources, and an electrodialysis bipolar membrane for solution regeneration, forming a self-powered, modular system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If existing carbon dioxide capture technologies are used, then carbon dioxide can be captured from air, but the process requires high energy consumption and external power sources
Solution Approach 1:
The rotary blade system is designed to be self-powered, utilizing the flow of capture solution through the blade's channel to drive rotation via centrifugal force. This eliminates the need for external power sources while maintaining continuous CO2 capture operation, directly resolving the contradiction between energy consumption and operational convenience
Solution Approach 2:
The invention replaces traditional mechanically-driven or electrically-powered CO2 capture systems with a passive fluid-driven rotation mechanism. The capture solution flow itself generates the rotational motion through centrifugal force, substituting complex mechanical drive systems with a simpler fluid-dynamics-based mechanism that reduces energy requirements
2Adaptability or versatility
If existing carbon dioxide capture technologies are used, then carbon dioxide can be captured, but the systems are not easily scalable or portable
Solution Approach 1:
The CO2 capture system is divided into modular components: multiple rotary blades with integrated air-permeable layers, capture solution circulation system, and CO2 collection apparatus. Each blade operates independently, allowing the system to be scaled by simply adding or removing blade units without increasing overall system complexity
Solution Approach 2:
The rotary blade structure serves multiple functions simultaneously: it acts as a support for the air-permeable layer, provides the rotation mechanism through centrifugal force, facilitates capture solution distribution via its channel, and enables CO2 separation. This multi-functionality reduces the number of separate components needed, making the system easier to scale and deploy in various configurations
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 system efficiently captures CO2 from air with minimal energy consumption, allowing for scalability and portability, reducing environmental impact, and generating a carbon credit.
Implementation Method 1
the capture solution is configured to extract carbon dioxide in the air by converting the carbon dioxide to an aqueous salt while the capture solution flows through the gap
Implementation Method 2
the support base includes a plurality of surface features configured to cause or facilitate the capture solution to distribute on the support base while the capture solution flows through the gap
Data Source
AI summary
Blades, devices, systems, and methods for carbon dioxide capture are provided. In various embodiments, the carbon dioxide capture device may include blades or blade modules stacked in a column and configured to undergo a rotary motion to cause or facilitate a capture solution to flow on the blades through gaps formed by an air-permeable layers. Carbon dioxide-containing air may penetrate through the air-permeable layers and get in contact with the capture solution such that carbon dioxide in the air may be captured by reacting with the capture solution.