Liquid Tree | Hyderabad, July 7 (Maxim News): Researchers at the CSIR Central Institute of Mining and Fuel Research (CSIR CIMFR) have developed a mobile “Liquid Tree,” an innovative air purification system designed to reduce pollution in crowded urban areas.
The technology uses microalgae to absorb carbon dioxide and release oxygen, offering a space-saving alternative for locations where planting conventional trees is difficult.
The research team said the system could help improve air quality in densely populated cities facing rising pollution from vehicles, industries, and household emissions.
Liquid Tree Uses Microalgae to Purify Air
The Liquid Tree functions as a photobioreactor. It consists of a tank filled with water and microalgae. During photosynthesis, the algae absorb carbon dioxide from the surrounding air and release oxygen, much like natural trees.
According to CSIR CIMFR Senior Scientist Vetrivel Anguselvi, the system also helps remove dust particles from the air, thereby improving overall air quality.
Researchers said the unit can operate continuously for 24 hours using either natural sunlight or artificial lighting. Moreover, built-in sensors monitor air quality, carbon dioxide levels, temperature, and humidity in real time.
The mobile unit has been designed to run on both electricity and solar power. In addition, it includes seating for four to eight people, allowing it to serve as a shaded public space.
The developers have also equipped the structure with charging points for mobile phones and laptops, making it useful in public places.
Scientists believe the Liquid Tree can be installed at schools, airports, railway stations, shopping malls, parks, cinema halls, and other crowded locations. Discussions are currently underway to make the technology available for wider public use.
Researchers estimate that the system could have an environmental impact equivalent to 10 to 50 conventional trees, although this estimate may vary depending on operating conditions and deployment. Besides producing oxygen, the microalgae can also generate biomass that may be used as biological fertilizer.
As cities continue to struggle with worsening air pollution and limited green space, technologies such as the Liquid Tree could complement traditional urban forestry initiatives by providing additional air purification in high-density areas. (Maxim News)
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