Özet:

In this study, a peach puree concentrate production line in an industrial juice factory was examined as a case study, and life cycle assessment was carried out by following the steps specified in ISO 14040 and 14044 using real production data. In this context, system boundaries were determined and a detailed process flow chart with all inputs and outputs was drawn. Subsequently, inputs, which were consumed for the production of the unit peach puree concentrate such as the raw material, water, energy (heat and electrical) and packaging materials and outputs, which were composed from processes such as wastewater, fruit residue and packaging wastes, were determined. Thus, an inventory analysis was performed and inventory data was presented as a table that could be the basis for carbon footprint. Consequently, carbon, energy and water footprint values for a unit product were calculated as 0.82 kg CO2eq/kg concentrated product, 4443 kJ/kg concentrated product and 2.59 m3water/kg concentrated product, respectively. Within the specified system boundaries, it was determined that agricultural production had the greatest impact on both carbon and water footprints, energy consumption was the second important factor that constituted the CO2eq emissions, and heat energy was the main responsible of the energy footprint. Also, a comparison was made with the life cycle analysis of similar products in the literature, and the results were discussed within the scope of sustainable production.

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