Researchers From IIT Guwahati Develop Pharmaceutical & Food Products From Tea Factory Waste

  • The developed technologies harness the potential of tea waste that leads to the creation of new revenue streams within the local tea industry

Indian Institute of Technology Guwahati (IIT Guwahati) researchers have developed innovative technologies for sustainable and efficient utilisation of tea waste from the tea industry. In line with the scope of waste to wealth mission (W2W) of Principal Scientific Adviser (PSA), Government of India.

This research leverages a key regional resource to promote a more sustainable and diversified economy in the North Eastern states of India. The research will also fulfil the purpose of the “Act East Policy” of Govt of India, “Advantages Assam” and the “Biotechnology” policy of Govt of Assam.

As per a recent study, tea is one of the most widely consumed beverages worldwide with world tea consumption reaching 6.3 million tonnes and is expected to rise to 7.4 million tonnes by 2025. This huge increase in tea consumption leads to an increase in industrial tea waste generation which leads to the non-utilisation of valuable agricultural resources and the deterioration of the environment.

Because of its high lignin and low inorganic content, efficient utilisation of tea industry wastes demands scientifically advanced techniques. Addressing these waste utilisation and management issues becomes paramount as it aligns with sustainable practices and innovative solutions, ensuring both industrial growth and ecological preservation.

Addressing these issues, the research team led by Prof. Mihir Kumar Purkait, Department of Chemical Engineering, IIT Guwahati, has carried out cutting edge research on the diversified application of tea factory waste to various pharmaceutical and foods products as an output of Abdul Kalam Technology Innovation National Fellowships of Indian National Academy of Engineering (INAE). These carbonaceous pharmaceutical materials form the basis for a broad spectrum of application-based commodities.

The findings of these studies have also been published in various international journals including the International Journal of Biological Macromolecules, Chemosphere, Critical Reviews in Biotechnology etc. This research has been carried out by Somnath Chanda, Prangan Duarah, and Banhisikha Debnath as a part of their PhD thesis work in the Centre for The Environment of IIT Guwahati.

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