Affiliation:
1. Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Design and Research Institute Co., Ltd., Kunming University of Science and Technology, Kunming 650500, China
Abstract
This study contributes to sustainable construction practices by exploring the use of phosphogypsum, a commonly discarded byproduct, in the production of recycled aggregates. Addressing both environmental and economic aspects of sustainability, we investigate the feasibility of employing phosphogypsum as a primary raw material, in collaboration with various solid waste components, using pressure molding techniques. Our research evaluates the performance of these aggregates in terms of compressive strength, softening coefficient, and their potential to reduce environmental pollution. Findings indicate that aggregates containing 70% phosphogypsum can effectively meet the requirements for C25 concrete applications, underscoring the method’s sustainability through efficient waste material utilization, reduced environmental impact, and potential economic benefits compared to new resource extraction. This approach contributes to the understanding of sustainable resource utilization in construction, resonating with global sustainability goals, particularly the United Nations’ 2030 Agenda for Sustainable Development.
Funder
National Key R&D Program of China
Subject
Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction