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http://dx.doi.org/10.7842/kigas.2019.23.2.1

Analysis of CO2 Emission Depending on Hydrogen Production Methods in Korea  

Han, Ja-Ryoung (Korea Gas Corporation Research Institute)
Park, Jinmo (Korea Gas Corporation Research Institute)
Kim, Yohan (Korea Gas Corporation Research Institute)
Lee, Young Chul (Korea Gas Corporation Research Institute)
Kim, Hyoung Sik (Korea Gas Corporation Research Institute)
Publication Information
Journal of the Korean Institute of Gas / v.23, no.2, 2019 , pp. 1-8 More about this Journal
Abstract
Because of environmental pollution problem, interests in hydrogen energy has been concentrating sharply. Especially in Korea, the market related with fuel cell vehicles and hydrogen refueling stations is increasing actively under the government-led. However, the actual contributions to environmental improvement effect of hydrogen energy is required to be evaluated with representing reality. In this sense, lots of conventional analyzing tools have some limitations to adapt in Korea's situation directly. It is caused by the differences of raw energy market between the US and Korea. That is, most of analytic tools are developed by representing energy market of the US, where can produce variety of raw feed energy sources. Therefore, in this paper, we propose mass balance based numerical analyzing method, which is suitable for the actual hydrogen production process in Korea for exact evaluation of $CO_2$ emission amount in this country. Using proposed method, we has demonstrated reformed hydrogen from natural gas, LPG and naphtha, electrolysis-based hydrogen, and COG-based hydrogen. Furthermore, with the comparison of GREET program analysis results, robustness of numerical analysis method is demonstrated.
Keywords
hydrogen production; $CO_2$ emission; production technology; natural gas; liquefied petroleum gas; naphtha; steam reforming; electrolysis; cock oven gas;
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