Self-Promoted H 2 Formation: The Feasibility of Photoinduced CO Removal for Lossless Hydrogen Purification
Source abstract
Abstract
A photoinduced radical reaction operated at low temperature can be used to remove trace CO from a H 2 stream by minimizing the reverse water-gas shift. However, H 2 consumption resulting from nonselective oxidation by hydroxyl radicals becomes an obstacle to practical hydrogen purification. Inspired by hydrogen exchange transfer, we demonstrate here that molecular hydrogen can promote H 2 formation from hydrogen radicals, which are generated from the reaction of CO and H 2 with hydroxyl radicals. The slight increment in H 2 along with the radical reaction encouraged us to configure a photocatalytic hydrogen purification fixed-bed reactor, which can reduce CO to ≤1 ppm in the H 2 stream.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Catalytic Processes in Materials Science · CO2 Reduction Techniques and Catalysts · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
Funding
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences · National Natural Science Foundation of China · Chinese Academy of Sciences
References (33)
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