Sustainable Valorization of Juice Industry Wastes: A Life Cycle Assessment Case Study
Abstract
1. Introduction
2. Materials and Methods
2.1. Goal & Scope
2.2. Functional Unit
2.3. System Boundaries
2.4. Data Requirements
2.5. Life Cycle Inventory (LCI)
3. Results
3.1. Baseline Scenario
3.2. Scenario 1
3.3. Scenario 2
3.4. Comparison
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
| LCA | Life Cycle Assessment |
| SFME | Solvent Free Microwave Extraction |
References
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| Component | Flow | In/Out | Value | Unit |
|---|---|---|---|---|
| Orange Juice Production (similar for all studied scenarios) | Electricity | In | 3105 | MJ |
| Oranges | In | 25,000 | kg | |
| Water | In | 57,570 | kg | |
| Nitric acid | In | 0.328 | kg | |
| Sodium hydroxide (50%) | In | 9.72 | kg | |
| Natural gas | In | 1935 | MJ | |
| Cardboard | In | 21 | kg | |
| Polyethylene | In | 436 | kg | |
| Packaged orange juice | Out | 8.75 | m3 | |
| Wastewater | Out | 5190 | kg | |
| Solid wastes | Out | 16,250 | kg | |
| Baseline Scenario | Wastewater to municipal WWTP | In | 5190 | kg |
| Solid wastes on landfill | In | 16,250 | kg | |
| Scenario 1 | Solid wastes | In | 5190 | kg |
| Wastewater | In | 16,250 | kg | |
| Electricity | In | 10,262 | MJ | |
| Cooling water | In | 1.37 × 106 | kg | |
| Steam | In | 1.51 × 104 | kg | |
| Water | In | 3.18 × 104 | kg | |
| Nitrogen | In | 642 | kg | |
| Lime | In | 13 | kg | |
| Sodium hypochlorite | In | 0.39 | kg | |
| Essential oils | Out | 86.5 | kg | |
| Biogas | Out | 558 | kg | |
| Carbon dioxide | Out | 1.42 × 103 | kg | |
| Fertilizer | Out | 4.60 × 104 | kg | |
| Methane emission to air | Out | 45.7 | kg | |
| Water | Out | 5190 | kg | |
| Scenario 2 | Solid wastes | In | 5190 | kg |
| Wastewater | In | 16,250 | kg | |
| Electricity | In | 14,892 | MJ | |
| Cooling water | In | 1.41 × 105 | kg | |
| Steam | In | 24.4 | kg | |
| Water | In | 2.18 × 104 | kg | |
| Nitrogen | In | 758 | kg | |
| Lime | In | 13 | kg | |
| Sodium hypochlorite | In | 0.39 | kg | |
| Essential oils | Out | 122 | kg | |
| Biogas | Out | 670 | kg | |
| Carbon dioxide | Out | 1.67 × 103 | kg | |
| Fertilizer | Out | 3.58 × 100.4 | kg | |
| Methane emission to air | Out | 54.8 | kg | |
| Water | Out | 5190 | kg |
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Drosou, F.; Kekes, T.; Kardamanidis, A.; Krokida, M. Sustainable Valorization of Juice Industry Wastes: A Life Cycle Assessment Case Study. Waste 2025, 3, 42. https://doi.org/10.3390/waste3040042
Drosou F, Kekes T, Kardamanidis A, Krokida M. Sustainable Valorization of Juice Industry Wastes: A Life Cycle Assessment Case Study. Waste. 2025; 3(4):42. https://doi.org/10.3390/waste3040042
Chicago/Turabian StyleDrosou, Fotini, Tryfon Kekes, Athanasios Kardamanidis, and Magdalini Krokida. 2025. "Sustainable Valorization of Juice Industry Wastes: A Life Cycle Assessment Case Study" Waste 3, no. 4: 42. https://doi.org/10.3390/waste3040042
APA StyleDrosou, F., Kekes, T., Kardamanidis, A., & Krokida, M. (2025). Sustainable Valorization of Juice Industry Wastes: A Life Cycle Assessment Case Study. Waste, 3(4), 42. https://doi.org/10.3390/waste3040042
