VIDEO: From Used Cooking Oil to Soap
Editor’s Note: The following video is a part of a series documenting the impressive discoveries and innovations showcased at the 2026 Senior Design Expo. The series will extend from May through August, with a new video released every Wednesday, and can be watched on YouTube.
In this video, UND chemical engineering student Madeline Vettel walks through her team’s senior design project, where she and other UND students turned used cooking oil into a natural liquid soap.
About the Senior Design Expo
The Senior Design Expo is a culminating experience where UND College of Engineering & Mines students present projects developed in collaboration with faculty, industry partners and the community. It’s their moment to share ideas, demonstrate expertise and celebrate years of learning and growth. From cutting-edge prototypes to research-driven solutions, the Senior Design Expo highlights how UND students apply their skills to solve complex challenges and make a tangible impact — a true reflection of UND’s commitment to hands-on learning, discovery and innovation.
