Life cycle assessment of construction and demolition waste management: a case study of Mashhad, Iran

Atusa Zakerhosseini (), Mohammad Ali Abdoli (), Seyed Mohammadali Molayzahedi () and Fatemeh Kiani Salmi ()
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Atusa Zakerhosseini: University of Tehran
Mohammad Ali Abdoli: University of Tehran
Seyed Mohammadali Molayzahedi: Clarkson University
Fatemeh Kiani Salmi: University of Tehran

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2024, vol. 26, issue 10, No 48, 25717-25743

Abstract: Abstract In the case of building demolition, the construction industry increasingly prioritizes sustainable waste management and environmental protection. Life cycle assessment (LCA) was used to assess two scenarios to evaluate the environmental impacts of four methods (demolition, transport, recycling, and landfills). To conduct an Attributional LCA, the SimaPro software suite and Ecoinvent v.3 Life Cycle Inventory database were applied. LCA showed that construction and demolition (CDW) management has major environmental effects on global warming, fine particulate matter formation, human carcinogenic toxicity, and human non-carcinogenic toxicity. The results indicate the beneficial environmental impact of two waste management scenarios. The extent to which recycling waste from building demolition can benefit the environment is dependent on the type of material being recycled. Copper recycling can reduce the building industry’s environmental impact. Human non-carcinogenic toxicity is the most important and beneficial factor. Previous research has largely neglected this stage. The findings indicated that environmental conditions have a significance impact and, accordingly, the optimal scenario. This study provides stakeholders with a road map for making informed decisions regarding the application of CDW management. It suggests that LCA studies should take multiple indicators into account, and sensitivity and uncertainty analyses were performed to evaluate the accuracy of the results.

Keywords: Waste management; Life cycle assessment; Construction and demolition waste; SimaPro; Steel recycling; Building demolition waste (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10668-023-03703-1

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