• Title/Summary/Keyword: 거품제염

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Effect of Cetyltrimethyl Ammonium Bromide on Foam Stability and SiO2Separation for Decontamination Foam Application (거품제염을 위한 실리카 나노입자와 CTAB (Cetyltrimethyl Ammonium Bromide)의 거품안정성 및 분리특성 평가)

  • Choi, Mansoo;Kim, Seung-Eun;Yoon, In-Ho;Jung, Chong-Hun;Choi, Wang-Kyu;Moon, Jei-Kwon;Kim, Seon-Byeong
    • Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT)
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    • v.16 no.2
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    • pp.173-182
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    • 2018

  • As part of planning for waste minimization, decontamination foam has been considered as a potential application for the cleaning of radioactive contaminant. In this study, we synthesized silica particles to improve foam stability by varying synthesis parameters. Cetyltrimethylammonium bromide (CTAB) was found to influence the stability of the decontamination foam. The reason was that higher interaction between $SiO_2$ nanoparticles and surfactant at the air-water interface in aqueous solution is beneficial for foam stability. CTAB can also be used as an additive for the aggregation of silica nanoparticles. In the separation of $SiO_2$ nanoparticles, CTAB plays a critical role in the nanoparticles flocculation because of the charge neutralization and hydrophobic effects of its hydrocarbon tails.

  • https://doi.org/10.7733/jnfcwt.2018.16.2.173 인용 PDF KSCI