Upgrading grape pomace contained ethanol into hexanoic acid, fuel additives and a sticky polyhydroxyalkanoate: an effective alternative to ethanol distillation

Author:

Martinez Gonzalo A.1ORCID,Puccio Salvatore1,Domingos Joana M. B.1,Morselli Elena1,Gioia Claudio1,Marchese Paola1,Raspolli Galletti Anna Maria2ORCID,Celli Annamaria1ORCID,Fava Fabio1,Bertin Lorenzo1ORCID

Affiliation:

1. Department of Civil, Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, via Terracini, 28, I-40131 Bologna, Italy

2. Department of Chemistry and Industrial Chemistry, University of Pisa, via G. Moruzzi 13, 56124, Pisa, Italy

Abstract

A novel grape pomace (GP) valorisation route allows producing hexanoic acid with 90% purity by a facile process. A preliminary cost assessment and product applicability indicate this route as a potential option for a truly sustainable GP management.

Funder

Regione Emilia-Romagna

Ministero dell'Istruzione, dell'Universitàe della Ricerca

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Environmental Chemistry

Reference50 articles.

1. G.Spigno , L.Marinoni and G. D.Garrido , in Handbook of Grape Processing By-Products: Sustainable Solutions , ed. C. M. Galanakis , Academic Press , London, San Diego, Cambridge, Oxford , 2017 , pp. 1–27

2. Novel application and industrial exploitation of winery by-products

3. OVI Statistical Report on World Vitiviniculture , 2019

4. Phenolic compounds content and antioxidant activity in pomace from selected red grapes (Vitis vinifera L. and Vitis labrusca L.) widely produced in Brazil

5. Food processing waste: Problems, current management and prospects for utilisation of the lignocellulose component through enzyme synergistic degradation

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