細孔分布が均一な多孔質触媒によるイソブタンの脱水素反応　第１報　　Ｓｎ‐Ｐｔ／ＺｎＯ／Ａｌ２Ｏ３触媒の細孔分布が活性，選択性および劣化速度に与える影響

DOI Web Site Web Site 参考文献17件
  • 岡田 佳巳
    千代田化工建設(株)総合研究所
  • 今川 健一
    千代田化工建設(株)総合研究所
  • 浅岡 佐知夫
    千代田化工建設(株)総合研究所 北九州市立大学国際環境工学部環境化学プロセス工学科

書誌事項

タイトル別名
  • Isobutane Dehydrogenation over Unimodal Porous Catalyst. Part 1. Effect of Pore Distribution of Sn-Pt/ZnO/Al2O3 Catalyst on Dehydrogenation, Activity, Selectivity, and Deactivation Rate.
  • サイコウ ブンプ ガ キンイツ ナ タコウシツ ショクバイ ニ ヨル イソブタン ノ ダツスイソ ハンノウ ダイ1ポウ Sn Pt ZnO Al2O3 ショクバイ ノ サイコウ ブンプ ガ カッセイ センタクセイ オヨビ レッカ ソクド ニ アタエル エイキョウ
  • Effect of Pore Distribution of Sn-Pt/ZnO/Al<sub>2</sub>O<sub>3</sub> Catalyst on Dehydrogenation, Activity, Selectivity, and Deactivation Rate
  • Sn-Pt/ZnO/Al<sub>2</sub>O<sub>3</sub>触媒の細孔分布が活性, 選択性および劣化速度に与える影響

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The unimodal porous γ-aluminas as carriers were applied to the Sn-Pt/ZnO/Al2O3 catalyst system for dehydrogenation of lower paraffins. Physical properties such as surface area, average pore diameter, pore volume of the unimodal porous alumina carriers can be mostly reflected in the resulted catalysts. The unimodal porous catalysts exhibit excellent activities and selectivities for isobutane dehydrogenation in comparison with those of the non-unimodal porous catalyst which is prepared from γ-alumina carrier with broad pore distribution. Furthermore, the influence of pore diameter on such catalytic performances as activity, selectivity, deactivation rate are also unveiled with the unimodal porous catalysts having specific pore diameters. It is found that pore diameter of the catalyst affects but slightly the initial conversion of isobutane, but affects more extensively the degree of selectivity and deactivation rate, especially in the deactivation rate in which catalyst of pore diameter (16.9nm) shows 1/3 of the deactivation rate compared with that of pore diameter (6.6nm). Catalyst pore distribution and pore diameter affect dehydrogenation and the application of the unimodal porous alumina carrier makes it possible to prepare unimodal porous catalysts. ZnO is considered to be well dispersed on the unimodal porous catalyst despite large amount of impregnation.

収録刊行物

  • 石油学会誌

    石油学会誌 44 (5), 277-285, 2001

    公益社団法人 石油学会

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