Recovery of organic wastes in the Spanish wine industry. Technical, economic and environmental analyses of the composting process

Luz Ruggieri, Erasmo Cadena, Julia Martínez-Blanco, Carles M. Gasol, Joan Rieradevall, Xavier Gabarrell, Teresa Gea, Xavier Sort, Antoni Sánchez

Research output: Contribution to journalArticleResearchpeer-review

136 Citations (Scopus)

Abstract

The main organic wastes produced in modern wine industries include grape pomace (62%), lees (14%), stalk (12%) and dewatered sludge (12%). Some of these wastes are being used as by-products (grape pomace and lees) whereas the rest of organic wastes (stalk and wastewater sludge) has been traditionally incinerated or disposed in landfill. In this work, composting is proposed for the recovery of stalk and wastewater sludge to produce a sanitized organic amendment for application in the vineyard, closing the organic matter cycle. The environmental and economical analyses of the different alternatives to manage organic wastes from the wine industry are also presented. Composting costs are almost negligible when compared to other management options. From the environmental point of view, in-situ composting presents the best performance in 8 of the 10 impact categories analysed. Finally, the energy balance shows that the 4 composting systems involved less energy than the systems based on Mineral Fertilizer consumption. © 2008 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)830-838
JournalJournal of Cleaner Production
Volume17
DOIs
Publication statusPublished - 1 Jun 2009

Keywords

  • Composting
  • LCA
  • Organic wastes
  • Wine by-products
  • Wine industry

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