Production of Hydrogen from Aqueous Phase Reforming of Glycerol: Economic Evaluation


Glycerol is the main byproduct from the production of biodiesel by transesterification of vegetable oils, and approximately 10% of total biodiesel production volume corresponds to glycerol. The profitability of various chemical processes depends, in part, on the sale of byproducts, which enables a reduction in the production costs and consequently, in the product’s final price. Thus, it is necessary to look for alternatives to solve the problem of glycerol buildup, in order to avoid future environmental impacts and make biodiesel competitive in the growing market of biofuels. In this context, this study’s objective is the development of a low cost and environmental clean technology that allows the conversion of glycerin into a greater value product. In this paper, an economic evaluation of production hydrogen using Aqueous Phase Reforming (APR) was conducted. Firstly, we detailed the technical assumptions in the study. Reactions were performed in batch reformer of 10 liters of capacity, at the temperature of 250℃ and pressure of 38 atm. Finally, a sensitivity analysis was performed. The results from economic evaluation show that APR of glycerol, using nickel catalysts supported on alumina or zirconium oxide, is a promising and competitive technology for hydrogen production.

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R. Pérez, M. Souza, N. Tapanes, G. Diaz and D. Aranda, "Production of Hydrogen from Aqueous Phase Reforming of Glycerol: Economic Evaluation," Engineering, Vol. 6 No. 1, 2014, pp. 12-18. doi: 10.4236/eng.2014.61003.

Conflicts of Interest

The authors declare no conflicts of interest.


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