Adsorptive separation properties of CO2/CH4/N2 on UZM-9 synthesized by seed-assisted method

WEI Xiao-li; SUN Tian-jun; KE Quan-li; LIU Xiao-wei; WANG Shu-dong

Volume 45 Issue 7

Jul. 2017

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Article Navigation > Journal of Fuel Chemistry and Technology > 2017 > 45(7): 863-870

WEI Xiao-li, SUN Tian-jun, KE Quan-li, LIU Xiao-wei, WANG Shu-dong. Adsorptive separation properties of CO2/CH4/N2 on UZM-9 synthesized by seed-assisted method[J]. Journal of Fuel Chemistry and Technology, 2017, 45(7): 863-870.

Citation:

WEI Xiao-li, SUN Tian-jun, KE Quan-li, LIU Xiao-wei, WANG Shu-dong. Adsorptive separation properties of CO₂/CH₄/N₂ on UZM-9 synthesized by seed-assisted method[J]. Journal of Fuel Chemistry and Technology, 2017, 45(7): 863-870.

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Adsorptive separation properties of CO₂/CH₄/N₂ on UZM-9 synthesized by seed-assisted method

WEI Xiao-li^{1, 2},
SUN Tian-jun¹,
KE Quan-li^{1, 2},
LIU Xiao-wei^{1, 2},
WANG Shu-dong^{1
,
,}

1.
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds:

the National Natural Science Foundation of China 21476231

Received Date: 2017-03-30
Rev Recd Date: 2017-05-05

Available Online: 2021-01-23

Publish Date: 2017-07-10

Abstract

Abstract

The UZM-9 zeolite was synthesized in 48 h via a seed-assisted method, in which TEAOH and TMAOH were used as organic structure directing agent (OSDA) while acid-treated UZM-9 zeolites were employed as seeds. The textural properties and hydrophobicity of the as synthesized UZM-9 zeolites and their adsorption properties for CO₂/CH₄/N₂ were characterized by XRD, physical adsorption, SEM, ICP and TG, respectively. The results show that UZM-9 zeolites can be obtained in 2 d with the Si/Al atomic ratio up to 3 and the yield up to 65%. At 298 K and 1atm, the capacity and adsorption heat of CO₂ are 5 mmol/g and 34 kJ/mol, and the selectivity of CO₂/CH₄, CO₂/N₂ and CH₄/N₂ are 100, 240 and 2.4 respectively. These results reveal that the as synthesized UZM-9 zeolites have good performances for carbon capture and possess considerable water resistance.
- acid-treated seed,
- UZM-9,
- adsorptive separation properties,
- CO₂,
- adsorption heat

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References(29)

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