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IIT Guwahati's Green Revolution: Converting Wastewater to Clean Energy through Microalgal Biorefinery


Updated: May 04, 2025 14:30

Image Source: The Hans India

Researchers at IIT Guwahati have come up with a scalable microalgal biorefinery model that provides an innovation in green fuel production and wastewater treatment. The project is integrated with large-scale reactors and green chemistry, which turns wastewater into biofuels and removes pollutants effectively. Here is the in-depth analysis:

Key Highlights
Sustainable Wastewater Treatment:

The biorefinery model uses advanced reactor systems to treat industrial and domestic wastewater.

It effectively eliminates contaminants, providing clean water output and valuable by-products.

Biofuel Production & Circular Economy Approach:

The process transforms harvested algae and sewage sludge into biocrude, a petroleum-similar fuel.

Researchers obtained a 40% yield of biocrude, proving the viability of waste-to-energy technologies.

Innovative Reactor Design:

IIT Guwahati researchers employed large-scale photobioreactors to optimize algal growth and fuel yield.

The design incorporates hydrothermal liquefaction (HTL), which increases biofuel recovery efficiency.

Environmental Impact & Future Applications:

The biorefinery model helps in urban waste management, lowering pollution levels.

It supports India's green energy mission, encouraging sustainable development.

Research Publication & Global Recognition:

The research was published in Energy Conversion and Management, emphasizing scalability and efficiency.

The project has received global recognition, making IIT Guwahati a pioneer in biofuel innovation.

This achievement reflects India's focus on sustainable energy, providing a scalable solution for clean fuel and water management.

Sources: Devdiscourse, IIT Guwahati Press Release, Careers360

 

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