Microalgae biological CCUS and urban air purification
Carbelim is an IIT Madras Research Park–incubated climate technology company building microalgae-based biological carbon capture, utilization, and storage (CCUS) systems, including Carbon Bio-Façade panels, photobioreactors, and indoor/outdoor air-purification products that sequester CO₂ and improve air quality. It was among four deep-tech startups that received capital from the IIT Madras–Unicorn India Ventures IITM Unicorn Frontier Fund I (announced September 2026).