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

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Emerging anthropogenic circularity science: principles, practices, and challenges.

Xianlai Zeng¹, Jinhui Li¹

¹State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 10084, China.

|March 22, 2021

Summary

This summary is machine-generated.

Anthropogenic circularity science offers solutions to material depletion and pollution by establishing three laws of circularity chemistry. These principles guide practices for critical material recovery, waste reduction, and enhanced recycling rates in a circular economy.

Keywords:

Energy Sustainability Engineering Green Chemistry Green Engineering Materials Processing Materials Science

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Area of Science:

Interdisciplinary science focusing on circular economy principles.
Integrates green chemistry, supply chain management, and industrial ecology.
Addresses material depletion and environmental pollution.

Background:

Linear economies lead to material depletion and pollution.
Need for sustainable economic models.
Emergence of circularity science as a solution.

Purpose of the Study:

Systematically review the development of anthropogenic circularity science.
Propose foundational principles for circularity science.
Exemplify circularity practices for critical material recovery.

Main Methods:

Systematic literature review.
Interdisciplinary analysis of green chemistry, supply chain, and industrial ecology.
Proposal of three laws of circularity chemistry.

Main Results:

Established the first, second, and third laws of circularity chemistry.
Demonstrated anthropogenic circularity practices for critical material loops.
Highlighted spatial distribution of critical metals, waste, and recycling rates.

Conclusions:

Anthropogenic circularity science provides a framework for a circular society.
Circular economy and urban mining are key future opportunities.
The proposed laws and practices are crucial for sustainable material management.