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  • Summary & Details

Construction of model for estimating rate constant of SCR reaction over hydrothermally aged Cu-CHA catalyst

水熱劣化した Cu-CHA 触媒上における SCR 反応の反応速度定数予測モデルの構築

Detailed Information

Author(J)1) 松田 大史, 2) 境田 悟志, 3) 田中 光太郎, 4) 金野 満 , 5) 冨田 衷子, 6) 三木 健, 7) 小渕 存
Author(E)1) Hiroshi Matsuda, 2) Satoshi Sakaida, 3) Kotaro Tanaka, 4) Mitsuru Konno, 5) Atsuko Tomita, 6) Takeshi Miki, 7) Akira Obuchi
Affiliation(J)1) 茨城大学, 2) 茨城大学, 3) 茨城大学, 4) 茨城大学, 5) 産業技術総合研究所 中部センター, 6) 産業技術総合研究所 中部センター, 7) 産業技術総合研究所 つくば東
Affiliation(E)1) Ibaraki University, 2) Ibaraki University, 3) Ibaraki University, 4) Ibaraki University, 5) National Institute of Advanced Industrial Science and Technology , 6) National Institute of Advanced Industrial Science and Technology , 7) National Institute of Advanced Industrial Science and Technology
Abstract(J)水熱劣化したCu-CHA触媒上でのStandard-及びFast-SCR反応,NH3及びNO酸化反応の反応速度定数を取得し,触媒物性の変化から水熱劣化後の反応速度定数を予測するモデルを構築した.このモデルで得られた反応速度定数を,既往の研究で構築された新品触媒のNOx浄化率予測モデルに適用することで,水熱劣化触媒のNOx浄化率を得られることを確認した.

Translation

Abstract(E)Based on the changes of catalyst properties, a model was constructed to estimate the rate constants of Standard-SCR, NH3 oxidation, and NO oxidation reactions over hydrothermally aged Cu-CHA catalyst. Moreover, the rate constants obtained by the constructed model were applied to the model for estimating NOx conversion over fresh catalyst constructed in previous studies, and the NOx conversion over hydrothermally aged catalyst was estimated. As a result, the calculated NOx conversion over hydrothermally aged Cu-CHA catalyst was in good agreement with the experimental results.

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