Abstract
Construction and demolition waste (C&D waste) are widely recognized as the main form municipal solid waste, and its recycling and reuse are an important issue in sustainable city development. Material flow analysis (MFA) can quantify materials flows and stocks, and is a useful tool for the analysis of construction and demolition waste management. In recent years, material flow analysis has been continually researched in construction and demolition waste processing considering both single waste material and mixed wastes, and at regional, national, and global scales. Moreover, material flow analysis has had some new research extensions and new combined methods that provide dynamic, robust, and multifaceted assessments of construction and demolition waste. In this paper, we summarize and discuss the state of the art of material flow analysis research in the context of construction and demolition waste recycling and disposal. Furthermore, we also identify the current research gaps and future research directions that are expected to promote the development of MFA for construction and demolition waste processing in the field of sustainable city development.
Highlights
The construction and operation of buildings occupy almost 40% of the depletion of natural resources and 25% of global waste [1,2]
We provide some summarized support to promote the development of Material flow analysis (MFA) for construction and demolition (C&D) waste in the field of sustainable city development
This paper presents an evaluation of MFA to assess construction and demolition (C&D) debris generation and composition in the USA
Summary
The construction and operation of buildings occupy almost 40% of the depletion of natural resources and 25% of global waste [1,2]. Material flow analysis has been used in the European waste management system, which includes construction and demolition waste processing [14]. When faced with a dynamical and long-term period, dynamic material flow analysis (DMFA) is generally adopted to quantify materials stocks and flows [19,21,22], such as European copper flows [23], timber quantity from 2012 to 2100 [24], and strategic construction and demolition waste management [19]. Some C&D-waste-related review articles can be found, such as quantifying C&D waste [38,39], C&D waste management [40,41,42,43], and sustainable assessment of construction materials [44], a comprehensive analysis and summary about the state of the art of MFA based on C&D waste is required.
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