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The current status and future of solid waste recycled building bricks
Junxi Cheng1,2, Zhushan Shao3,4, Yan Wang5
1School of Civil Engineering, Xi'an University of Architecture & Technology, Xi'an, 710055, China.
Environmental Science and Pollution Research International
|September 22, 2023
Summary
Recycled building bricks (RBB) from solid waste (SW) offer a sustainable solution. Microwave sintering (MWS) shows promise for efficient, eco-friendly RBB production with higher strength and faster consolidation.
Area of Science:
- Materials Science
- Environmental Engineering
- Sustainable Construction
Background:
- Solid waste (SW) poses significant environmental and developmental challenges.
- Developing green cycles for raw material utilization is crucial for sustainable development.
- Recycled building bricks (RBB) offer a potential solution for solid waste management.
Purpose of the Study:
- To review recent research on manufacturing RBB from SW.
- To evaluate different consolidation methods for RBB production.
- To analyze the application and potential of microwave sintering (MWS) in SW-RBB manufacturing.
Main Methods:
- Literature review of RBB manufacturing using SW.
- Analysis of physicochemical properties and microstructure of RBB based on consolidation methods (recycled unsintered brick - RUSB, recycled sintered brick - RSB).
- Comparison of microwave sintering (MWS) with conventional sintering (CS).
Main Results:
- Recycled sintered bricks (RSB) demonstrate higher SW utilization, improved strength, and faster consolidation compared to RUSB.
- Microwave sintering (MWS) offers advantages over conventional sintering (CS) including lower energy consumption, reduced pollution, and higher efficiency.
- MWS technology shows great potential for manufacturing SW-RBB.
Conclusions:
- RSB consolidation method is practical for SW-RBB production.
- MWS technology is a promising and efficient method for sustainable SW-RBB manufacturing.
- Further research is needed to address challenges in MWS for SW-RBB production.
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