Researchers at IIT (BHU) have identified two novel microalgae strains to create a groundbreaking water purification process for urban wastewater, with the byproduct serving as a biofuel. Guided by Vishal Mishra, an assistant professor at the School of Biochemical Engineering, and research student Vishal Singh, the new purification method combines primary, secondary, and microalgae-based tertiary treatments into a cohesive, sustainable system. This innovative approach not only effectively cleans contaminated water but also yields valuable microalgae biomass, which can be used for biofuel, protein supplements, and animal feed, offering economic benefits. The pioneering research has recently been granted patent by the Government of India, reported The Times of India.
Mishra explained that his team collected numerous algae samples from the Ganga near Ravidas Ghat and discovered two new microalgae strains: Chlorella sorkiniana VSVM1 and Tetradesmus arenicola VSVM2. These strains have been officially registered with the National Centre for Biotechnology Information (NCBI) in the USA.
Mishra noted that the advanced water purification system is especially beneficial for the public as it effectively removes harmful substances like ammonium, nitrogen, and phosphate from wastewater, helping to keep water bodies clean and preventing pollution in rivers and other water sources. The purified water can be used for agriculture, irrigation, and other purposes. Additionally, the microalgae biomass produced can be converted into biofuel, reducing reliance on conventional fuels and providing a sustainable energy source. Mishra emphasized that implementing this system could greatly improve wastewater management for municipalities and industries, enhancing public health and environmental sustainability. The continuous operation of this process ensures both efficiency and reliability, making it a practical solution for urban areas facing wastewater challenges.
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