DEVELOPMENT OF A SUSTAINABLE SOLAR ENERGY BASED AIR PURIFICATION
DOI:
https://doi.org/10.5281/zenodo.21412391Keywords:
Air Quality, Node MCU, PollutionAbstract
This work focuses on the sustainable development of an intelligent, solar-powered air purifier designed to mitigate indoor and outdoor air pollution by harnessing photovoltaic energy. The purifier utilizes a three-stage filtration system, incorporating High-Efficiency Particulate Air (HEPA) and activated carbon filters, to effectively remove particulate matter and gaseous pollutants. The system is designed for self-sufficient operation, employing solar panels and an MPPT charge controller to power the unit. A key feature is the integration of an Internet of Things (IoT) based Air Quality Monitoring (AQM) system, which collects real- time air quality data and dynamically modulates the fan speed to optimize purification performance and maximize battery autonomy. Experimental testing demonstrated a high PM (2.5) reduction efficiency of 91.66% and successfully maintained 7.8 hours of autonomy at maximum operational speed, validating this design as an efficient, low-maintenance, and economically viable off-grid solution for localized air purification.
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