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# 2025 MOC Hydrogel |
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MOC Hydrogel tackles urban odour pollution with a biodegradable hydrogel that suppresses hydrogen sulfide and volatile compounds at source. Designed for drainage systems and waste facilities, it targets odour-causing bacteria and releases active ingredients over 30 days, reducing emissions by over 90%. The low-cost, low-maintenance system avoids harmful chemicals and improves hygiene and air quality for surrounding communities. Its dual action also prevents biofilm regrowth, offering a long-lasting, scalable solution aligned with sustainable urban development goals
Malvin Subroto is a PhD candidate in Chemical and Biomolecular Engineering at The Hong Kong University of Science and Technology, building on a Bachelor of Engineering and Master of Philosophy in the same field. His research sits at the intersection of science and public health, where he works on translating laboratory advances into real-world impact. Malvin has contributed to several government-led initiatives, helping to design and deploy evidence-based solutions with measurable benefits for society.more
IAAC – Institute for Advanced Architecture of Catalonia
Carbon-storing architectural system using 3D-printed biochar concrete
Universidad de Ingeniería y Tecnología – UTEC
Converting EPS plastic waste into biofertilizer using mealworm digestion
