A Pd Doped PVDF Hollow Fibre for the Dissolved Oxygen Removal Process

Batbieri G.; Brunetti A.; Scura F.; Lentini F.; Agostino R G.; Kim, M.J.; Formoso V.; Drioli E.; Lee, K.H.

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자료유형: 학술저널

저자정보: Batbieri G. (National Research Council of Italy-Institute for Membrane Technology[ITM-CNR] Via Pietro BUCCI, The University of Calabria) Brunetti A. (National Research Council of Italy-Institute for Membrane Technology[ITM-CNR] Via Pietro BUCCI, The University of Calabria) Scura F. (National Research Council of Italy-Institute for Membrane Technology[ITM-CNR] Via Pietro BUCCI, The University of Calabria) Lentini F. (National Research Council of Italy-Institute for Membrane Technology[ITM-CNR] Via Pietro BUCCI, The University of Calabria) Agostino R G. (The University of Calabria, Department of PhysicsVia Pietro Bucci) Kim, M.J. (Membranes and Separation Research Center, Korea Research Institute of Chemical Technology[KRICT]) Formoso V. (The University of Calabria, Department of PhysicsVia Pietro Bucci) Drioli E. (National Research Council of Italy-Institute for Membrane Technology[ITM-CNR] Via Pietro BUCCI, The University of Calabria, The University of Calabria, Department of Chemical Engineering and) Lee, K.H. (Membranes and Separation Research Center, Kore)

저널정보: 한국막학회 Korean Membrane Journal Korean membrane journal 제8권 제1호

발행연도: 2006.1

수록면: 1 - 12 (12page)

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In semiconductor industries, dissolved oxygen is one of the most undesirable contaminants of ultrapure water. A method for dissolved oxygen removal (DOR) consists in the use of polymeric hollow fibres, loaded with a catalyst and fed with a reducing agent such as hydrogen. In this work, PVDF hollow fibres loaded with Pd were characterized by means of perporometry, scanning electron microscopy (SEM), energy dispersive X-ray (EDX). The hollow fibre analyzed shows a five-layer structure with remarkable morphological differences. An estimation of pore diameters and their distribution was performed giving a mean pore diameter of 100 nm. The permeance and selectivity of the fibres were measured using $H_2,\;N_2,\;O_2$ as single gases, at different operating conditions. An $H_2$ permeance of $37 mmol/m^2s$ was measured and $H_2/O_2$ and $H_2/N_2$ selectivities of ca. 3 were obtained. $H_2$ permeance was 1/3 when a water stream flows in the shell side. Catalytic fibrebehaviour was simulated using a mathematical model for a loop membrane reactor, considering only $O_2$ and $H_2$ diffusive transport inside the membrane and their catalytic reaction. Dimensionless parameters such as the Thiele modulus are employed to describe the system behaviour. The model agrees well with the experimental reaction data.

#dissolved oxygen removal #PVDF hollow fibre #catalytic membrane modelling

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Batbieri G.

소속기관 National Research Council of Italy-Institute for Membrane Technology[ITM-CNR] Via Pietro BUCCI, The