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Hydrogen Production for PEMFC Application in Plasma Reforming System  

Yang, Yoon Cheol (Department of Environmental Engineering, BK21 Team for Hydrogen Production, Chosun University)
Chun, Young Nam (Department of Environmental Engineering, BK21 Team for Hydrogen Production, Chosun University)
Publication Information
Korean Chemical Engineering Research / v.46, no.5, 2008 , pp. 1002-1007 More about this Journal
Abstract
The purpose of this paper studied the optimal hydrogen production condition of plasma reforming system to operate the PEMFC. Plasma reforming reactor used with Ni catalyst reactor at the same time, So $H_2$ concentration increased. Also the WGS and PrOx reactor were designed to remove CO concentration under 10 ppm, because CO has effect on catalyst poisoning of PEMFC. The maximum $H_2$ production condition in plasma reforming system was S/C ratio 3.2, $CH_4$ flow rate 2.0 L/min, catalytic reactor temperature $700{\pm}5^{\circ}C$ and input power 900 W. At this time, the concentration of produced syngas was $H_2$ 70.2%, CO 7.5%, $CO_2$ 16.2%,$CH_4$ 1.8%. The hydrogen yield, hydrogen selectivity and $CH_4$ conversion rate were 56.8%, 38.1% and 92.2% respectively. The energy efficiency and specific energy requirement were 37.0%, 183.6 kJ/mol. In additional, The experiment of $CO_2/CH_4$ ratio proceeded. Also WGS reactor experiment was proceeding on optimum condition of plasma reactor and the exit concentration were $H_2$ 68%, CO 337 ppm, $CO_2$ 24.0%, $CH_4$ 2.2%, $C_2H_4$ 0.4%, $C_2H_6$ 4.1%. At this time, experiment result of PrOx reactor were $H_2$ 51.9%, CO 0%, $CO_2$ 17.3%.
Keywords
Glidarc; Hydrogen; Plasma Reforming; CO Shift; PEMFC;
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Times Cited By KSCI : 1  (Citation Analysis)
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