CO2/H2 원천분리 SMART 시스템의 수소생산특성 = Hydrogen Generation Characteristics of SMART System with Inherent CO2/H2 Separation

다국어 초록 (Multilingual Abstract)

To check the feasibility of SMART(Steam Methane Advanced Reforming Technology) system, an experimental investigation was performed. A fluidized bed reactor of diameter 0.052m was operated cyclically up to 10th cycle, alternating between reforming and regeneration conditions. FCR-4 catalyst was used as the reforming catalyst and calcined limestone(domestic, from Danyang) was used as the CO2 absorbent. Hydrogen concentration of 98.2% on a dry basis was reached at 650℃ for the first cycle. This value is much higher than H2 concentration of 73.6% in the reformer of conventional SMR (steam methane reforming) condition. The hydrogen concentration decreased because the CO2 capture capacity decreased as the number of cycles increased. However, the average hydrogen concentration at 10th cycle was 82.5% and this value is also higher than that of SMR. Based on these results, we could conclude that the SMART system can replace SMR system to generate pure hydrogen without HTS (high tempeature shift), LTS (low temperature shift) and CO2 separation process.

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