ArticleScientific reports2025
Role of ethanol to water ratio in hydrogen production by ethanol steam reforming in atmospheric pressure 915 MHz microwave plasma.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
As interest in the hydrogen economy grows, the demand for efficient, cost-effective, and sustainable hydrogen production methods increases. In response, this work focuses on developing a small-scale hydrogen production method based on ethanol steam reforming in low-temperature microwave plasma. The process operates at 915 MHz under atmospheric pressure, offering a catalyst-free approach. Using a metal-cylinder-based nozzleless microwave plasma source, the study investigates how varying the ethanol-to-water ratio influences the efficiency of hydrogen generation. To evaluate this efficiency, gas chromatography and infrared spectrometry are used to measure the hydrogen production rate, energy yield, and hydrogen content, while optical emission spectroscopy offers insights into plasma parameters such as vibrational and rotational temperatures. The highest hydrogen production efficiency is achieved at the ethanol-to-water ratio of 3:1, with a hydrogen production rate of 149.8 g(H
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