Development of a Membrane-on-Catalyst Hydrogen Production Module for Steam Reforming of City Gas

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  • Shirasaki Yoshinori
    Tokyo Gas Co., Ltd., Residential Fuel Cell Business Development Department Department of Material and Environmental Chemistry, Utsunomiya University
  • Sato Takafumi
    Department of Material and Environmental Chemistry, Utsunomiya University
  • Itoh Naotsugu
    Department of Material and Environmental Chemistry, Utsunomiya University
  • Tsuneki Tatsuya
    Tokyo Gas Co., Ltd., Residential Fuel Cell Business Development Department
  • Nishii Takumi
    Tokyo Gas Co., Ltd., Residential Fuel Cell Business Development Department
  • Kurokawa Hideto
    Tokyo Gas Co., Ltd., Residential Fuel Cell Business Development Department
  • Yasuda Isamu
    Tokyo Gas Co., Ltd., Residential Fuel Cell Business Development Department
  • Shimamori Toru
    NGK Spark Plug Co., Ltd., Engineering R&D Group
  • Takagi Yasuhiro
    NGK Spark Plug Co., Ltd., Engineering R&D Group
  • Hikosaka Hideaki
    NGK Spark Plug Co., Ltd., Engineering R&D Group
  • Tanaka Hiroyuki
    NGK Spark Plug Co., Ltd., Engineering R&D Group

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Other Title
  • 触媒一体化水素分離膜モジュールの開発と都市ガスの水蒸気改質による水素製造
  • ショクバイ イッタイカ スイソ ブンリマク モジュール ノ カイハツ ト トシ ガス ノ スイジョウキ カイシツ ニ ヨル スイソ セイゾウ

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<p>A membrane reformer (MRF) in which the production and separation of hydrogen proceed simultaneously in a single reactor allows the production to proceed without the constraint of chemical equilibrium. An MRF can thus be made more compact and provide higher efficiency than a conventional reformer. In this study, a Pd-based membrane of less than 10 µm in thickness was fabricated on a porous catalytic substrate, and a hydrogen production module was developed with the thin Pd-based membrane-on-catalyst (MOC) module. The steam reforming performance of the MOC module was evaluated under different conditions of city gas feed rate and temperature. At process side pressure/permeation side pressure of 0.90 MPa/0.04 MPa, the hydrogen production rate of the MOC module was 11.4 N cm3/(min·cm2) at a city gas feed rate of 3.0 N cm3/(min·cm2) and 547°C, which is almost equal to the performance of the conventional membrane reformer system for hydrogen production.</p>

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