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Updated: Jun 20, 2025

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer

Published on: November 30, 2020

Optimizing material circularity pathways in industrial waste streams: A decision-making model.

L G L M Edirisinghe^1,2, A A P de Alwis^1,2,3, S Prakash⁴

¹University of Moratuwa, Moratuwa 10400, Sri Lanka.

|July 23, 2024

Summary

This summary is machine-generated.

This study presents an optimization model to identify efficient industrial waste recovery pathways, balancing material recovery and profit for a circular economy. The model aids decision-making for waste management stakeholders.

Keywords:

Decision-making model Industrial waste management Optimization method for waste material circularity Recovery technologies Sustainable practices Waste circularity pathways

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Area of Science:

Environmental Science
Industrial Ecology
Operations Research

Background:

Growing environmental regulations drive industrial solid waste management and recovery.
Transitioning to a circular economy necessitates efficient material reuse and recycling.
A gap exists in systematically selecting optimal waste recovery pathways for reintegration into production cycles.

Purpose of the Study:

To introduce a novel optimization model for identifying efficient material circularity routes.
To leverage both technical and biological cycles within the circular economy framework.
To prioritize pathways maximizing material recovery and profit generation simultaneously.

Main Methods:

Development of a dual-objective optimization model.
Utilization of the Genetic Algorithm (GA) optimization tool in MATLAB.
Application of the model to fabric waste from the Biyagama Export Processing Zone as a case study.

Main Results:

The model effectively identifies optimal waste circularity pathways.
Demonstrated flexibility in allocating weights to material recovery and profit objectives.
Provided a customizable framework adaptable to diverse stakeholder priorities.

Conclusions:

The developed model offers a practical, optimized, and scalable solution for industrial waste management.
It significantly advances circular economy goals by improving waste recovery and economic viability.
The model serves as a valuable decision-making tool for waste management stakeholders.