A hollow fiber membrane probe for the measurement of the hydrogen concentration in a liquid

R.D. Holstvoogd, R.D. Holstvoogd, J.A. van 't Hof, J.A. van 't Hof, Willibrordus Petrus Maria van Swaaij

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Abstract

A new method is introduced to measure the hydrogen concentration in liquids by applying a polyethersulfone hollow fiber membrane as a probe. Hydrogen rapidly diffuses through the fiber wall after which it is carried to a thermal conductivity detector by an inert gas flow. Stationary measurements in a pure hydrogen atmosphere as well as in a silicone oil are conducted. Polyethersulfone was shown to be more suitable as fiber material for a selective hydrogen probe than polysulfone. From nonstationary measurements it could be concluded that the response time of the polyethersulfone probe is fast enough to monitor the hydrogen concentration during instationary processes which involve hydrogen, like gas-liquid or liquid-solid mass transfer and homogeneous/heterogeneous reactions.
Original languageUndefined
Pages (from-to)1271-1277
Number of pages7
JournalChemical engineering science
Volume0
Issue number46
DOIs
Publication statusPublished - 1991

Keywords

  • METIS-105617
  • IR-72937

Cite this

Holstvoogd, R.D. ; Holstvoogd, R.D. ; van 't Hof, J.A. ; van 't Hof, J.A. ; van Swaaij, Willibrordus Petrus Maria. / A hollow fiber membrane probe for the measurement of the hydrogen concentration in a liquid. In: Chemical engineering science. 1991 ; Vol. 0, No. 46. pp. 1271-1277.
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A hollow fiber membrane probe for the measurement of the hydrogen concentration in a liquid. / Holstvoogd, R.D.; Holstvoogd, R.D.; van 't Hof, J.A.; van 't Hof, J.A.; van Swaaij, Willibrordus Petrus Maria.

In: Chemical engineering science, Vol. 0, No. 46, 1991, p. 1271-1277.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - A hollow fiber membrane probe for the measurement of the hydrogen concentration in a liquid

AU - Holstvoogd, R.D.

AU - Holstvoogd, R.D.

AU - van 't Hof, J.A.

AU - van 't Hof, J.A.

AU - van Swaaij, Willibrordus Petrus Maria

PY - 1991

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N2 - A new method is introduced to measure the hydrogen concentration in liquids by applying a polyethersulfone hollow fiber membrane as a probe. Hydrogen rapidly diffuses through the fiber wall after which it is carried to a thermal conductivity detector by an inert gas flow. Stationary measurements in a pure hydrogen atmosphere as well as in a silicone oil are conducted. Polyethersulfone was shown to be more suitable as fiber material for a selective hydrogen probe than polysulfone. From nonstationary measurements it could be concluded that the response time of the polyethersulfone probe is fast enough to monitor the hydrogen concentration during instationary processes which involve hydrogen, like gas-liquid or liquid-solid mass transfer and homogeneous/heterogeneous reactions.

AB - A new method is introduced to measure the hydrogen concentration in liquids by applying a polyethersulfone hollow fiber membrane as a probe. Hydrogen rapidly diffuses through the fiber wall after which it is carried to a thermal conductivity detector by an inert gas flow. Stationary measurements in a pure hydrogen atmosphere as well as in a silicone oil are conducted. Polyethersulfone was shown to be more suitable as fiber material for a selective hydrogen probe than polysulfone. From nonstationary measurements it could be concluded that the response time of the polyethersulfone probe is fast enough to monitor the hydrogen concentration during instationary processes which involve hydrogen, like gas-liquid or liquid-solid mass transfer and homogeneous/heterogeneous reactions.

KW - METIS-105617

KW - IR-72937

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