Evaluation of life cycle, exergy, and carbon footprint of wastewater treatment system by activated sludge method in petrochemical industries
Publish place: Advances in Environmental Technology، Vol: 9، Issue: 2
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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JR_AET-9-2_003
تاریخ نمایه سازی: 9 آبان 1402
Abstract:
Wastewater management in petrochemical industries plays an effective role in reducing their environmental consequences. This study utilized life cycle assessment and carbon footprint methodologies to assess these environmental impacts. The objectives of the investigation were pursued using the ReciPe ۲۰۱۶, Cumulative Energy Demand, Cumulative Exergy Demand approaches, and sensitivity analysis. The outcomes of the endpoint analysis revealed that damage to resources, human health, and ecosystems received more than ۹۸% of the total impact due to electricity consumption. Furthermore, electricity consumption and COD were responsible for the most significant midpoint-level consequences. The sensitivity analysis showed that a change of approximately ۲۰% in electricity and chemical oxygen demand had the most significant impact on the ozone depletion category. The primary gas emitted as a result of the wastewater treatment process was carbon dioxide, which accounted for ۹۹.۷۸% of the carbon footprint associated with the process. Based on these findings, it can be inferred that replacing the current energy source with renewable alternatives would reduce over ۹۰% of the environmental impacts of the wastewater treatment process in these industrial units.
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Authors
Zohreh Ahmadi
Faculty of Environment, Alborz College, University of Teran, Tehran, Iran
Amin Sarang
Faculty of Environment, University of Tehran, Iran
Mehdi Esmaeili bidhendi
Faculty of Environment, University of Tehran, Iran
Fereshteh Jaderi
Environmental economic and Technology Management office, Department of Environment, Tehran, Iran
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