Application of an electrochemical membrane reactor to the thermochemical water splitting IS process for hydrogen production

Mikihiro Nomura, Seiji Fujiwara, Kazuhiko Ikenoya, Seiji Kasahara, Hayato Nakajima, Shinji Kubo, Gab Jin Hwang, Ho Sang Choi, Kaoru Onuki

研究成果: Article査読

64 被引用数 (Scopus)

抄録

The Bunsen reaction (SO2 + I2 + 2H2O = H2SO4 + 2HI) in the thermochemical IS process to produce hydrogen was successfully employed using an electrochemical membrane reactor. H2SO4 and HI were concentrated in the anode side and the cathode side of the reactor, respectively. I2 is the dominant bulk of the recycling chemicals in this process, and I2 concentration at the outlet of the reactor was reduced ca. 93% by using this technique. The electric energy consumption for the reaction was about 50% smaller by reducing the concentration of I2 indicating that the IS process can be operate efficiently at low I2 concentration. The reaction was carried out for 4 h, and the HI concentration was increased by 26%. This amount was the same within 10% as the values calculated from the total loaded electricity. In order to decrease the overpotential at the anode side, small amount of HI was added to the anode side solution. The total voltage was reduced by 0.03 V by the addition of HI.

本文言語English
ページ(範囲)221-226
ページ数6
ジャーナルJournal of Membrane Science
240
1-2
DOI
出版ステータスPublished - 2004 9月 1
外部発表はい

ASJC Scopus subject areas

  • 生化学
  • 材料科学(全般)
  • 物理化学および理論化学
  • ろ過および分離

フィンガープリント

「Application of an electrochemical membrane reactor to the thermochemical water splitting IS process for hydrogen production」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル