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Formation of High Added Value Chemicals by Photocatalytic Treatment of Biomass

[ Vol. 17 , Issue. 7 ]

Author(s):

Marianna Bellardita*, Vittorio Loddo and Leonardo Palmisano   Pages 884 - 901 ( 18 )

Abstract:


The depletion of fossil fuel requires the search for alternative renewable feedstock and environmentally friendly methods for the production of high value-added compounds and fuels. In this context, the efficient use of biomass has emerged as a significant research field as it represents an alternative green and renewable carbon source. Various technologies have been explored for this purpose and heterogeneous photocatalysis represents a valid alternative to the catalytic methods since it can be carried out under mild experimental conditions without the addition of harmful oxidizing agents. Different biomass components have been used as the starting materials, and many valuable chemicals have been obtained with different selectivity depending on some experimental conditions as, for instance, type of photocatalyst, solvent, and physico-chemical features of the catalysts. Moreover, by carrying out the reaction in de-aerated systems, in addition to high added value compounds, hydrogen can be obtained in the gaseous phase. In particular, photocatalytic conversion of lignocellulose, carbohydrates, 5-hydroxymethyl-2-furfural and glycerol (considering only the partial oxidation products) is reported.

Keywords:

Biomass conversion, green conditions, H2 formation, fossil fuel, heterogeneous photocatalysis, high added value compounds.

Affiliation:

“Schiavello-Grillone” Photocatalysis Group, Dipartimento di Ingegneria, Universita degli Studi di Palermo, Viale delle Scienze Ed. 6, 90128 Palermo, “Schiavello-Grillone” Photocatalysis Group, Dipartimento di Ingegneria, Universita degli Studi di Palermo, Viale delle Scienze Ed. 6, 90128 Palermo, “Schiavello-Grillone” Photocatalysis Group, Dipartimento di Ingegneria, Universita degli Studi di Palermo, Viale delle Scienze Ed. 6, 90128 Palermo

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