Surpassing the current limitations of biohydrogen production systems: The case for a novel hybrid approach

Boboescu, Iulian Zoltan and Gherman, Vasile Daniel and Lakatos, Gergely and Pap, Bernadett and Bíró, Tibor and Maróti, Gergely (2016) Surpassing the current limitations of biohydrogen production systems: The case for a novel hybrid approach. BIORESOURCE TECHNOLOGY, 204. pp. 192-201. ISSN 0960-8524

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Abstract

The steadily increase of global energy requirements has brought about a general agreement on the need for novel renewable and environmentally friendly energy sources and carriers. Among the alternatives to a fossil fuel-based economy, hydrogen gas is considered a game-changer. Certain methods of hydrogen production can utilize various low-priced industrial and agricultural wastes as substrate, thus coupling organic waste treatment with renewable energy generation. Among these approaches, different biological strategies have been investigated and successfully implemented in laboratory-scale systems. Although promising, several key aspects need further investigation in order to push these technologies towards large-scale industrial implementation. Some of the major scientific and technical bottlenecks will be discussed, along with possible solutions, including a thorough exploration of novel research combining microbial dark fermentation and algal photoheterotrophic degradation systems, integrated with wastewater treatment and metabolic by-products usage. (C) 2016 Elsevier Ltd. All rights reserved.

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