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Removal Of CO2 In Indoor Living Spaces
205 2024. 4. 5.
Summary
We are seeking a solutions and technology proposals to remove high carbon dioxide (CO2) levels in indoor environments. This high CO2 concentration, ranging from 3000 to 4000 parts per million (ppm), is identified as a cause of significant discomfort leading to poor sleep quality, lethargy upon waking, and reduced performance for work and study. Existing solutions such as opening the windows are ineffective due to outside noise and unsuitable external temperatures, while conventional air conditioning systems lack efficient CO2 removal capabilities and fail to provide adequate heat and humidity exchange.
The desired solution aims for a closed-loop CO2 removal technology capable of swiftly reducing CO2 levels to below 5000 ppm, with a processing rate of 24 liters per hour, and a lifespan exceeding five years, focusing on physical or physicochemical adsorption methodologies.
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Description
We are seeking a solution to mitigate high CO2 levels in indoor environments (in bedrooms, home living spaces, offices, schools, etc).
User Pain Points: In indoor spaces and environments, elevated levels of CO2 can cause sleepiness, lethargy and low productivity levels in room occupants. The current CO2 concentrations, peaking between 3000 to 4000 ppm, are identified as detrimental to health and cognitive performance. Common alternatives like opening windows are deemed impractical due to associated noise disturbances from outdoors and inconsistent thermal comfort levels, while traditional air conditioning systems lack the capability to efficiently exchange heat and humidity while effectively removing CO2.
To address these challenges, the desired solution targets a closed-loop CO2 removal technology. Key specifications include a rapid processing rate of 24 liters per hour to maintain CO2 concentrations below 5000 ppm, ensuring optimal indoor air quality. Additionally, the solution should offer a lifespan exceeding five years to ensure long-term reliability and cost-effectiveness.
Preferred methodologies for CO2 removal focus on physical adsorption or physicochemical adsorption techniques. These methods leverage the surface properties of adsorbent materials to attract and capture CO2 molecules effectively. Physical adsorption involves the adherence of CO2 molecules onto the surface of a solid adsorbent material, while physicochemical adsorption combines chemical reactions with physical adsorption to enhance CO2 capture efficiency.
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