From wine to the tank: Biofuels are derived from residues of grapes – TGCOM

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10:10 – The waste from the production of grape wine biofuels could become “competitive”. Supports an Australian research conducted by the University of Adelaide, which showed that the fermentation of a ton of waste grapes (marc, stems and seeds) can be obtained up to 400 liters of ethanol, the ethanol produced by the fermentation of biomass that can be used as fuel. The study was published in Bioresource Technology .

Make leftovers – The biofuel market is expanding globally and scientific research is developing several innovative ways to produce them. Harnessing the “leftovers” of wine production for biofuels, said Rachel Burton, professor at the University of Adelaide, “has economic potential for what is largely a waste product.”

From waste to resource – Analyzing the marc of two grape varieties, Cabernet-Sauvignon and Sauvignon Blanc, the researchers found that the majority of carbohydrates they contain can be converted directly into ethanol through fermentation process, with a yield of 270 liters per ton of waste. A result improved when using treatments based on acids and enzymes, in which case the fermentation produces up to 400 liters of ethanol per ton of grape.

Biofuel alcohol – ” Using plant biomass for the production of liquid biofuels can be difficult because of its nature structurally complex, which is not always easy to break down, “said Kendall Corbin, co-author of the study. But the process is simplified and low cost due to “unexpected” potential marc “is readily available, can be obtained cheaply and is full of the type of carbohydrates that are fermented easily.”

tag:

Biofuel

Waste grapes

Australia

Adelaide

Wine