Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Separation of Gases ($H_2$, $N_2$, $CO_2$, $CH_4$) by PEBAX-NaY Zeolite Composite Membranes

PEBAX-NaY zeolite 복합막에 의한 기체($H_2$, $N_2$, $CO_2$, $CH_4$) 분리에 관한 연구

  • Received : 2015.01.12
  • Accepted : 2015.02.03
  • Published : 2015.02.28
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Abstract

PEBAX[poly(ether-block-amide)]-NaY zeolite composite membrane was studied on the permeability of penetrant $H_2$, $N_2$, $CO_2$ and $CH_4$ and the selectivity. When the NaY zeolite contents of PEBAX-NaY zeolite membranes were increased, the permeability of $H_2$ was increased, but the permeability of $N_2$, $CH_4$ and $CO_2$ was decreased. By the addition of NaY zeolite into PEBAX, the gas selectivity for $H_2$, $N_2$ and $CO_2$ was decreased except the increase of selectivity of $H_2/N_2$. $CO_2/N_2$, $H_2/CO_2$ and Gas/$CH_4$. The highest selectivity among these gases was from $CO_2$. In particular, the gas selectivity for $CO_2$ was the greatest with a value of 12~156.

PEBAX[poly(ether-block-amide)]-NaY zeolite 복합막에 대한 $H_2$, $N_2$, $CO_2$, $CH_4$의 투과도와 선택도에 대하여 연구하였다. PEBAX-NaY zeolite 복합막에 대한 $H_2$, $N_2$, $CO_2$, $CH_4$ 투과도는 막 내의 NaY zeolite 함량이 증가할수록 $H_2$의 투과도는 증가하였고, $N_2$, $CO_2$, $CH_4$의 투과도는 감소하는 경향을 나타내었다. PEBAX-NaY zeolite 복합막 내의 NaY zeolite 함량이 증가함에 따라 $N_2$에 대한 $H_2$와 $CO_2$의 선택도, $CO_2$에 대한 $H_2$의 선택도, 그리고 $CH_4$에 대한 기체 선택도는 증가하였고, 그외의 $H_2$, $N_2$, $CO_2$에 대한 기체($H_2$, $N_2$, $CO_2$, $CH_4$)의 선택도는 감소하였다. 그리고 각 기체들에 대한 가장 높은 선택도는 $CO_2$인 경우에 얻어졌고, $H_2$, $N_2$, $CH_4$에 대한 $CO_2$의 선택도 값은 12~156이었다.

Keywords

References

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