Node 2: Landfill Transformation
Reclaiming Space and Resources
With Semakau Landfill projected to reach its maximum capacity by 2035, Node 2 takes on the urgent challenge of landfill transformation. This node investigates cutting-edge civil, geotechnical, and environmental engineering technologies designed to safely excavate, treat and repurpose legacy landfilled materials. A major focus is establishing category-based approaches for removing harmful pollutants from landiflled incineration ashes and mixed wastes and developing strategies that make the best use of wastes with different properties for specific applications such as structural versus non-structural uses, or coastal versus permanent deployments.
Building the Zero-Waste Hub
Moving beyond traditional disposal, Node 2 aims to redefine what a landfill can be by developing scalable technologies to extract secondary raw materials from mixed waste. Aged and newly generated mixed wastes contain myriad hazardous pollutants that must be immobilized or broken down before recovered materials can be safely repurposed. The successful implementation of these transformation technologies will not only extend the lifespan of Singapore's only landfill but also create a sustainable pipeline of repurposed construction materials to support the nation's ongoing urban development.
Our Team
Mr Alvin LIM
Deputy Director
(Waste Infrastructure and Engineering Division), NEA
Node 2 Lead
Professor HE Jianzhong
Professor, NUS Department of Civil and Environmental Engineering
Node 2 Lead
Dr GENG Guoqing
Associate Professor, NUS Department of Civil and Environmental Engineering
Node 2 Lead