Taiwan study on production of hydrogen from rice straw
9 December 2013
Researchers in Taiwan report on the production of hydrogen from rice straw fed into a microwave plasma system in a paper in the journal Fuel. They evaluated the conversion rate according to the concentration of hydrogen and other gas products (CO2 and CO).
When feed rice straws into the microwave plasma system at 800 W, 900 W, and 1000 W using an upstream method, the concentrations of hydrogen production were 48%, 53%, and 56%, respectively.
Using a downstream method, the concentrations of hydrogen production were 34%, 40%, and 45%, respectively. These results indicate that the upstream feeding method is more favorable than the downstream for hydrogen production, and an increase of power can enhance the production of hydrogen.
Optimal hydrogen production is achieved when rice straws are fed into the system using the upstream method at a power of 1000 W; each gram of rice straw produced approximately 40.47 mg of hydrogen (conversion rate = 67.45%).—Lin et al.
Yuan-Chung Lin, Tzi-Yi Wu, Wan-Yu Liu, Yi-Hsing Hsiao (2014) “Production of hydrogen from rice straw using microwave-induced pyrolysis,” Fuel, Volume 119, Pages 21-26, doi: 10.1016/j.fuel.2013.11.046
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