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  • Summary & Details

Modeling Study of Ammonia Slip Catalyst (Third Report)

アンモニアスリップ触媒のプラントモデル構築検討(第3報)

Detailed Information

Category(J)研究論文

Translation

Category(E)ResearchPaper
Author(J)1) 田口 将宏, 2) 米山 香澄, 3) 大堀 鉄平, 4) 藤井 謙治, 5) 榎 和広, 6) 板垣 裕, 7) 石川 直也
Author(E)1) Masahiro Taguchi, 2) Kasumi Yoneyama, 3) Teppei Ohori, 4) Kenji Fujii, 5) Kazuhiro Enoki, 6) Yutaka Itagaki, 7) Naoya Ishikawa
Affiliation(J)1) いすゞ中央研究所, 2) いすゞ中央研究所, 3) いすゞ中央研究所, 4) いすゞ中央研究所, 5) いすゞ中央研究所, 6) いすゞ中央研究所, 7) いすゞ中央研究所
Abstract(J)尿素SCRシステムに採用されているアンモニアスリップ触媒はSCR触媒(上層)とPGM触媒(下層)で構成される複層触媒が主流である.著者らは,混合触媒と複層触媒の反応性が類似している点に着目し,前報の混合触媒モデルに補正を加えて複層触媒の反応性を予測した.本報は,補正手法とモデルの検証結果を報告する.

Translation

Abstract(E)We tried modeling of ammonia slip catalyst (ASC) for the purpose of model-based development of urea SCR system which is NOx purification device for diesel exhaust gas. In this report, the practical one-dimensional dual-layer ASC model is developed. This model is made by adding a correction factor to gas adsorption reaction parameters of the previously reported mixed catalyst model. As a result, this model can predict product selectivity of dual-layer ASC in different SCR and PGM washcoat loadings. This model is more practical than previous ASC model and is expected to contribute to efficiency of model-based development.

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