Hannah Holmes

Postdoctoral Scholar

Chemical Engineering

Stanford University

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Hello! My name is Hannah Holmes, and I am currently a postdoctoral scholar in the Tarpeh Lab at Stanford University. Previously, I earned a PhD in Chemical Engineering from Georgia Tech and a BS in Chemical Engineering from University of Illinois Urbana-Champaign.

My research advances environmental separation technologies that support sustainable development goals. I have experience in recovering dilute contaminants from complex gas and aqueous mixtures, including carbon capture from air and nutrient recovery from wastewater. I tailor separation methods to applications, and my toolbox includes adsorbents, membranes, and electrochemical processes. I enjoy studying materials across multiple engineering length scales - from molecular-level investigations using synchrotron-enabled spectroscopy to systems-level process analyses.

I am seeking a tenure-track faculty position in Chemical Engineering.

Recent Work

See publications page for complete list

Probing the Mechanism of Selective Phosphate Adsorption from Wastewater using Aqueous and Synchrotron X-ray Characterization

Chem Rxiv (2025)

Water Management and Heat Integration in Direct Air Capture Systems

Nat Chem Eng (2024)

Tuning Sorbent Properties to Reduce the Cost of Direct Air Capture

Energy Environ. Sci. (2024)

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