Modular rooftop CO₂ & H₂O capture system with integrated O₂ enrichment
Decarb-Air presents a solar-powered, modular rooftop system capturing CO₂ and enriching O₂ to enhance indoor air quality. It reduces HVAC costs, boosts plant yields, and supports carbon credit eligibility while being sustainable and scalable for various roof types.
Overview
Decarb-Air has developed an innovative modular rooftop system designed to improve indoor air quality by capturing carbon dioxide (CO₂) and enriching oxygen (O₂) levels. Utilizing solar-powered direct air capture (DAC) and membrane separation technologies, this system offers a sustainable alternative to traditional HVAC systems and compressed gas solutions. It provides significant benefits including reduced energy costs, enhanced plant growth, potential carbon credits, and a positive environmental footprint.
Technical specifications
Key features:
- Solar-Powered Efficiency: Achieves approximately 58% solar energy conversion with a photovoltaic-thermal (PV-T) collector, reducing the area required by 30% compared to standard systems.
- Effective CO₂ Capture: Captures over 1 kg of CO₂ daily from 50 m² of indoor air, significantly lowering CO₂ levels from 2000 ppm to 500 ppm.
- O₂ Enrichment: Increases oxygen levels from 20% to 23%, with potential to reach up to 45%.
- Modular Design: Compatible with EPDM, TPO, and PVC membranes, allowing for scalable applications across different rooftop types.
- Low-Maintenance Operation: Utilizes steam from the solar thermal unit for CO₂ release, ensuring a clean and efficient process.
Technology readiness level
Currently at Technology Readiness Level 6, the system has been validated in a relevant indoor setting. Decarb-Air plans a phased approach to further refine and scale the solution, seeking collaborations for pilot deployments and market introduction within 18 months.
About Decarb-Air Pty Ltd
DecarbAir is a UNSW spinout company that specializes in research, development, and delivery of technologies for indoor air quality improvement and carbon dioxide management. The company provides a range of services, including onsite CO2 management solutions, pollutant removal, oxygen enrichment, and temperature control. Their technical expertise encompasses adsorbent and membrane material development, module and process design, as well as system integration and process optimization to support various sustainable applications.
The company focuses on delivering data-driven, tailored solutions to help clients improve indoor environments and support environmental sustainability goals. Their offerings include specialized membrane modules and adsorbent resins for research and development purposes. By providing expert guidance from concept to implementation, DecarbAir assists partners in areas such as renewable energy integration and carbon capture, aiming to provide cost-effective solutions for clients with specific environmental control requirements.
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