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Production of egg-like silica sphere in a carbon shell and their oxidation to produce egg-tray structures with high ammonia adsorption

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Abstract

A simple synthesis protocol to prepare egg-like carbon-silica hybrids was developed where the size of a silica ball housed inside a carbon shell was tunable. An egg-tray type of carbon-silica hybrid was also made by the oxidation of egg-like carbon-silica hybrids. This oxidized hybrid has shown high ammonia adsorption capacity that is about 30 times more than the standard commercial adsorbent H-ZSM-5 (SiO2/Al2O3=128).

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Authors and Affiliations

  1. Green Chemistry Division, KRICT, P. O. Box 107, Daejeon, 305-600, Korea

    Sayed Hasan Razi Abdi, Young Jin Kim, Yong-Ki Park, Songhun Yoon, Won Choon Choi, Hee Young Kim & Chul Wee Lee

  2. Silicate and Catalysis Division, CSMCRI, Bhavnagar, 364002, India

    Sayed Hasan Razi Abdi

  3. Advanced Materials Division, KRICT, P. O. Box 107, Daejeon, 305-600, Korea

    Mijeong Han

Authors
  1. Sayed Hasan Razi Abdi
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  2. Young Jin Kim
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  3. Yong-Ki Park
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  4. Songhun Yoon
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  5. Won Choon Choi
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  6. Hee Young Kim
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  7. Mijeong Han
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  8. Chul Wee Lee
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Correspondence to Chul Wee Lee.

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Abdi, S.H.R., Kim, Y.J., Park, YK. et al. Production of egg-like silica sphere in a carbon shell and their oxidation to produce egg-tray structures with high ammonia adsorption. Korean J. Chem. Eng. 28, 396–401 (2011). https://doi.org/10.1007/s11814-010-0368-3

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  • DOI: https://doi.org/10.1007/s11814-010-0368-3

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