Devolopment of a mini-channel gas separator utilizing Soret effect

Naoki Ono, Takahiro Wako, Tomohiro Higurashi, Sohei Matsumoto

Research output: ResearchConference contribution

Abstract

Hydrogen is still one of the candidates of future energy source. However, the refining and separating process of hydrogen requires certain amount of chemical and thermal cost. We attempted to utilize the Soret effect to separate hydrogen from mixed gas. The Soret effect is mass transport phenomenon caused only by temperature gradient, which could cost much less than current refining methods. We confirmed the hydrogen separation from a mixture of hydrogen and carbon dioxide, by a simple experiment with stainless mini tube. However, the obtained concentration increment of hydrogen gas was found to be as small as 4 %. For practical purpose, the multi-step repeated separation with mini channels will be necessary. In this study, we attempted to build a MEMS device to separate hydrogen, as the first step to realize multi-step miniature MEMS system. The authors experimentally found that the single-step MEMS device functioned properly and that the hydrogen separation was obtained as expected.

LanguageEnglish
Title of host publicationProceedings of the 15th International Heat Transfer Conference, IHTC 2014
PublisherBegell House Inc.
StatePublished - 2014
Event15th International Heat Transfer Conference, IHTC 2014 - Kyoto, Japan
Duration: 2014 Aug 102014 Aug 15

Other

Other15th International Heat Transfer Conference, IHTC 2014
CountryJapan
CityKyoto
Period14/8/1014/8/15

Fingerprint

separators
hydrogen
gases
Separators
Hydrogen
Gases
microelectromechanical systems
MEMS
refining
costs
Refining
Costs
energy sources
dioxides
carbon dioxide
temperature gradients
tubes
Thermal gradients
Carbon dioxide
Mass transfer

Keywords

  • Hydrogen and energy carries
  • Mass transfer and drying
  • mini channel
  • NEMS/MEMS
  • Soret effect

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

Ono, N., Wako, T., Higurashi, T., & Matsumoto, S. (2014). Devolopment of a mini-channel gas separator utilizing Soret effect. In Proceedings of the 15th International Heat Transfer Conference, IHTC 2014 Begell House Inc..

Devolopment of a mini-channel gas separator utilizing Soret effect. / Ono, Naoki; Wako, Takahiro; Higurashi, Tomohiro; Matsumoto, Sohei.

Proceedings of the 15th International Heat Transfer Conference, IHTC 2014. Begell House Inc., 2014.

Research output: ResearchConference contribution

Ono, N, Wako, T, Higurashi, T & Matsumoto, S 2014, Devolopment of a mini-channel gas separator utilizing Soret effect. in Proceedings of the 15th International Heat Transfer Conference, IHTC 2014. Begell House Inc., 15th International Heat Transfer Conference, IHTC 2014, Kyoto, Japan, 14/8/10.
Ono N, Wako T, Higurashi T, Matsumoto S. Devolopment of a mini-channel gas separator utilizing Soret effect. In Proceedings of the 15th International Heat Transfer Conference, IHTC 2014. Begell House Inc.2014.
Ono, Naoki ; Wako, Takahiro ; Higurashi, Tomohiro ; Matsumoto, Sohei. / Devolopment of a mini-channel gas separator utilizing Soret effect. Proceedings of the 15th International Heat Transfer Conference, IHTC 2014. Begell House Inc., 2014.
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