Sijbren Kramer ’24


Chemical and Biological Engineering

Project Title

CO2 Capture Materials

Presentation Link

View Sijbren's Presentation

My work centered around the analysis of calcium-based layered double hydroxides (LDHs) as materials for carbon capture. LDHs are composed of layers of positively charged metal hydroxide sheets balanced out by interlayer anions and water. I specifically focused on how exchanging these anions affects the carbon capture and regeneration process of the material. I worked to optimize the synthesis of the material, refined the anion exchange process, and analyzed the carbon capture process of various anions. My work helped isolate the most effective anions and direct future research toward an exploration of the importance of water absorption in the choice of anion. I’ve learned various analytical tools that I can employ in future materials research. Furthermore, I’ve learned the importance of thorough technical understanding combined with creative problem solving to advance scientific frontiers. This project has helped me realize that I want to pursue further sustainable scientific research.

Internship Year


Project Category

Innovation and a New Energy Future


Sustainable Cements Group, Department of Civil and Environmental Engineering and the Andlinger Center for Energy and the Environment, Princeton University - Princeton, New Jersey


Claire White, Associate Professor of Civil and Environmental Engineering and the Andlinger Center for Energy and the Environment; Sunxiang (Sean) Zheng, Postdoctoral Research Associate, Andlinger Center for Energy and the Environment