Partha Kundu*, Sindhu Vinodhan Vineetha, Adithya Mohan and Athira Ravikumar
In the present context, the imperative need for decarbonisation is rapidly driving the push for biohydrogen as a promising biofuel for the future. The escalating pace of industrial development and urban expansion has led to significant environmental degradation, intensifying the focus on bio hydrogen. Consequently, research endeavours are directed towards its production using diverse renewable and sustainable resources. Over the past decades, numerous techniques have evolved to advance bio hydrogen production across various dimensions. To further enhance existing technologies, there is a growing emphasis on methods that are not only more efficient but also commercially and economically viable, with a particular focus on resources like solid biomass and liquid waste over other renewable sources. Thermochemical, biological and electrochemical conversions, coupled with modified pre-treatment methods employing suitable conditions and parameters, are emerging as more efficient, cost-effective means to elevate the yield of bio hydrogen generation compared to ongoing techniques. This paper specifically delves into a comparative analysis of diverse techniques developed over the years, particularly in the context of waste management systems.
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