Assessment of solutions to reduce ghg emissions in the production of blended portland cements towards sustainable development in Vietnam: LCA approach and 14 core environmental impact indicators

Abstract

The cement industry has significantly impacted the global environment over the past 20 years of rapid development. These challenges demand innovative solutions from scientists and engineers to mitigate adverse effects on ecosystems. A key approach involves adopting advanced production technologies, optimizing the use of raw materials and fuels, reducing greenhouse gas emissions, and repurposing waste as alternative raw materials and fuels.

This paper analyzes and evaluates the effectiveness of innovative solutions in the production of Portland Blended Cement (PCB), with a focus on sustainable development in Vietnam. Notably, the study highlights applications at the INSEE Vietnam cement plant, such as waste heat recovery (WHR) systems and industrial waste recycling. The effectiveness of these solutions is assessed using the life cycle assessment (LCA) method. Results reveal that technological advancements and waste recycling initiatives have successfully reduced CO₂ emissions by up to 40%. These groundbreaking studies and applications deliver dual benefits that they generate economic advantages for cement manufacturers and make a substantial contribution to sustainable development goals in Vietnam and worldwide.