The Proceedings of the Symposium on Environmental Engineering
Online ISSN : 2424-2969
2006.16
Session ID : 215
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215 Hydrogen Production by Catalytic Gasification-Reforming of RPF
[in Japanese][in Japanese][in Japanese]
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Abstract
The aim of this study intends to investigate the potential for H_2 rich synthesis gas production from the catalytic gasification of refuse plastic and paper fuel (RPF). Gasification experiments were conducted in a bench scale two-stage reactor with using a composite catalyst of Ni-based catalyst (G-90LDP) and CaO in the reforming process under a range of 923K to 1123K, where conversion characteristics of H_2 and the trace of impure matters, as well as the effects of main operating factors were examined. With the comparison between a non-catalytic gasification and a catalytic gasification with using G-90LDP, it indicated that the performance of reforming catalyst could be significantly improved by integrating with CaO. The highest H_2 concentration of 59vol% containing synthesis gas and the maximum H_2 yield of 49 mole/kg of RPF were generated with using the composite catalyst at 1023K. It is demonstrated that H_2 content is mainly affected by temperature, however, H_2 yield strongly affected by both temperature and steam addition. An additional advantage can be achieved in efficiently decomposing light hydrocarbons, VOC, particularly tar by the complex of the catalyst with CaO. Moreover, it also proved that through neutralization reactions, H_2S and HCl could be efficiently removed from gas product by CaO, furthermore dioxins be eliminated to a considerable low level.
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© 2006 The Japan Society of Mechanical Engineers
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