International Journal of Environmental Science and Development

Abstract—During the past decade, major studies have identified hydrogen as the safest fuel and its demand has been on the rise ever since. This paper looks into the different biological methods of hydrogen production and the economics involved in-order to identify the most economical and environment friendly method of biohydrogen production. A detailed study has been conducted regarding the methods of production, the types of reactors and raw-materials required. The cost requirement of each of the aspects involved in the processes have been looked into. The study proves the Direct Biophotolysis method to be the least favourable in-terms of land requirement and costs and Indirect Biophotolysis and Photofermentation to be amongst the better options available.

Index Terms—Bio-hydrogen, direct biophotolysis, indirect biophotolysis, photofermentation, dark fermentation, economics.

The authors are with BITS Pilani-Dubai Campus, Dubai (e-mail: parvathys268@hotmail.com).

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Cite:Parvathy Sathyaprakasan and Geetha Kannan, "Economics of Bio-Hydrogen Production," International Journal of Environmental Science and Development vol. 6, no. 5, pp. 352-356, 2015.