Hydrogen production via hydrolysis of Zn in a hot wall flow reactor

Tareq Abu Hamed, Jane H Davidson, Mark Stolzenburg

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations


Hydrolysis of Zn is investigated as the second step in a ZnO/Zn redox solar water splitting process. Zinc is evaporated and hydrolyzed in a hot wall flow tubular reactor. The design of the reactor was suggested by prior studies at ETH-Swiss Federal Institute in which simultaneous synthesis of hydrogen and zinc oxide nanoparticles was the goal. The influence of the reactor temperature and residence time on hydrogen conversion was measured for 1023 and 1073 K. Particle yield was measured in-situ using a scanning differential mobility sizer. Particle composition and morphology were characterized with X-ray diffraction and microscopy. In agreement with the prior work, hydrogen conversions of 87 to 96 percent at temperatures above zinc saturation are attributed primarily to hydrolysis of zinc(g) at the wall of the reactor.

Original languageEnglish (US)
Title of host publicationProceedings of the Energy Sustainability Conference 2007
Number of pages6
StatePublished - 2007
Event2007 Energy Sustainability Conference - Long Beach, CA, United States
Duration: Jun 27 2007Jun 30 2007

Publication series

NameProceedings of the Energy Sustainability Conference 2007


Other2007 Energy Sustainability Conference
Country/TerritoryUnited States
CityLong Beach, CA


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