淡江大學機構典藏:Item 987654321/120932
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/120932


    Title: CO2 adsorption of MSU-2 synthesized by using nonionic polyethyleneoxide (PEO)-based surfactants
    Authors: Xin Ying Lee;Thiam Leng Chew;Pei Ching Oh;Zeinab Abbas Jawad;Chii-Dong Ho
    Keywords: Adsorbent;Adsorption;CO2 capture;Mesoporous silica;MSU-2;Surfactant
    Date: 2021-04-01
    Issue Date: 2021-08-18 12:13:27 (UTC+8)
    Abstract: Adsorption technology is a well-established technology for CO2 removal. MSU-2 mesoporous silica appears to be very potential adsorbent for efficient CO2 gas adsorption due to its three-dimensional (3D) wormhole framework structures that are highly interconnected which is able to minimize the diffusion resistance of CO2. So far, there is no previous study reported on the CO2 adsorption of MSU-2. Thus, the current study focuses on the investigation on the synthesis of MSU-2 by using different surfactants (Triton X-100, Igepal CA-720 or Tergitol NP-9) and followed by the CO2 adsorption studies on the synthesized MSU-2. The morphology, crystallinity, functional groups, pore characteristics and pore structure of the MSU-2 synthesized were investigated. FESEM images showed that MSU-2 synthesized by using Igepal CA-720 possessed the most uniform and defined microspherical morphology compared to the MSU-2 synthesized by using the other surfactants. Besides, the MSU-2 synthesized by using Igepal CA-720 displayed the highest BET surface area of 938 m2/g and CO2 adsorption capacity of 0.57 mmol/g compared to the other MSU-2 samples. The obtained results showed that Igepal CA-720 is the most suitable surfactant for MSU-2 synthesis compared to the other surfactants in the current study.
    Relation: Chemical Engineering Communications 208(4), p.474-482
    DOI: 10.1080/00986445.2019.1659785
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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