Continuous operation characteristics of chemical looping hydrogen production system

Won Chul Cho, Do Yeon Lee, Myung Won Seo, Sang Done Kim, KyoungSoo Kang, Ki Kwang Bae, Change Hee Kim, SeongUk Jeong and Chu Sik Park

Applied Energy, 2014, vol. 113, issue C, 1667-1674

Abstract: Three-reactor chemical looping (TRCL) is a hydrogen and electricity production technology with inherent separation of carbon dioxide by use of the iron-based oxygen carrier particles. In this study, an integrated continuous operation test unit (300Wth) using 20wt% Fe2O3/ZrO2as an oxygen carrier was successfully operated over 13h. The average CH4 conversion was 94.15% in a fuel reactor in a moving bed mode. Nearly pure hydrogen (99.95%) was obtained from a steam reactor (SR). The steam conversion to H2 was around 63% of the thermodynamic limit in the SR. The hydrogen containing CO was observed from the SR when the carbon deposited particles were introduced into the SR. During the continuous operation, the oxygen carrier particles maintained its physical and chemical properties with high durability in the TRCL system.

Keywords: Three-reactor chemical looping (TRCL); Hydrogen; CO2 separation; Iron oxide (Fe2O3); Redox reaction (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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DOI: 10.1016/j.apenergy.2013.08.078

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