From Trash to Treasure: How Two W...

From Trash to Treasure: How Two Women Engineers are Redefining Waste into Sustainable Innovation (feat. Harini Ravichandran and Felicia Tan)

Intrigued to Innovate by NUS Innovation & Design Programme (iDP)
S1 · E3
Nov 25, 2025
41:11

Episode notes

In this engaging episode of Intrigued to Innovate, host Dr Jovan Tan sits down with Harini Ravichandran and Felicia Tan, two NUS Innovation & Design Programme (iDP) students who are turning municipal food waste into a sustainable future.

What started as an ambitious plan to address Singapore's increasing food waste problem turned into a practical showcase of resilience, ingenuity, and hands-on problem-solving.

Facing challenges like contaminated bacterial batches weeks before their final presentation and daily exposure to food waste fumes, Harini and Felicia's journey highlights the often-overlooked, gritty side of lab-based innovation.

This episode captures their remarkable transformation of carbohydrate-rich food waste (trash) into high-value lactic acid (treasure), a key material used in bioplastics. This process not only helps reduce environmental impact but also opens up new economic opportunities.

This episode uncovers:

· Why Singapore's food waste problem demands urgent, circular solutions

· How to turn procurement nightmares and contaminated samples—things that go wrong—into learning opportunities

· The power of interdisciplinary collaboration across chemical engineering, materials science, and environmental engineering

· Why soft skills—such as time management, stress coping, and strategic pitching—are more important than technical perfection

· How focusing on problems you care about sustains you through a year-long innovation challenge

Whether you're a student engineer, sustainability advocate, or simply curious about turning environmental challenges into valuable resources, understand why the greatest innovations emerge not from perfect execution, but from embracing every setback as a stepping stone.

Guests: Harini Ravichandran and Felicia Tan Mei Ling, Y3 Innovation & Design Programme (iDP) Students, National University of Singapore

Hosted by: Dr Jovan Tan

Produced by: Low Tse Han & Dr Jovan Tan

Presented by: NUS Innovation & Design Programme (iDP) at the NUS Engineering Design and Innovation Centre (EDIC)

Keywords

Student Innovation Journey