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Sustainable Practices in C&D Waste: Plastic and Steel ResourceManagement

Publish Year: 1403
Type: Conference paper
Language: English
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Document National Code:

AUGES10_028

Index date: 22 June 2024

Sustainable Practices in C&D Waste: Plastic and Steel ResourceManagement abstract

This study explores the feasibility of establishing dedicated plastic and steel recycling plants within Tehran, Iran's C&D waste management system, promoting a circular economy approach. OSeMOSYS modeling identified 100% Scrap Steel Electric Arc Furnace (EAF) technology for steel and mechanical recycling and plastic as the optimal options. The model also emphasized the significance of a 71-megawatt steam power plant for integrated waste management. A RETScreen economic analysis was conducted to assess the financial viability of both plants, revealing promising results. The plastic recycling plant exhibited a pre-tax Internal Rate of Return (IRR) of 13.3% and a payback period of 5.6 years, indicating favorable returns on investment and a moderate timeframe for recouping costs. The steel recycling plant presented an even more attractive case, with a pre-tax IRR of 32.2% and an exceptionally short payback period of 3.3 years. Overall, the combined findings from modeling and economic analysis strongly support the feasibility of establishing plastic and steel recycling plants. These plants would promote the core principles of a circular economy by reducing reliance on virgin materials, closing the loop on resource use, and diverting C&D waste from landfills. This would lead to a more sustainable waste management system in Tehran.

Sustainable Practices in C&D Waste: Plastic and Steel ResourceManagement Keywords:

Sustainable C&D Waste Management , Construction & Demolition Waste , Plastic & Steel Resources

Sustainable Practices in C&D Waste: Plastic and Steel ResourceManagement authors

Hassan Bazoubandi

Master student of Energy Systems Engineering, Amirkabir University of Technology, Tehran

Nazanin Mousakhani

Master student of Energy Systems Engineering, Amirkabir University of Technology, Tehran

Amir Khaleghian

Master student of Energy Systems Engineering, Amirkabir University of Technology, Tehran

Yasaman Ghanati

Master student of Energy Systems Engineering, Amirkabir University of Technology, Tehran

Maryam Fani

Assistant Professor at Amirkabir University of Technology, Tehran