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首页> 外文期刊>Environmental Science & Technology >Fabrication of Hydrophilic and Hydrophobic Sites on Polypropylene Nonwoven for Oil Spill Cleanup: Two Dilemmas Affecting Oil Sorption
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Fabrication of Hydrophilic and Hydrophobic Sites on Polypropylene Nonwoven for Oil Spill Cleanup: Two Dilemmas Affecting Oil Sorption

机译：用于溢油清除的聚丙烯非织造布上亲水和疏水部位的制备：影响吸油的两个难题

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摘要

This article mainly deals with the following dilemmas, which affect oil sorption and sorbent preparation: (1) hydrophobization could facilitate oil sorption but has adverse impacts on emulsion sorption; (2) micropores of conventional oil sorbent do not exhibit effective emulsion sorption. To solve the above contradictions, hydrophilic and hydrophobic sites were fabricated onto polypropylene (PP) nonwoven through electron beam radiation and subsequent ring-opening reaction. Further, a similar structure without a hydrophilic site was constructed as comparison to verify the dilemmas. An oil sorption and emulsion adsorption experiment revealed that the PP nonwoven with specific hydrophilic and hydrophobic sites is more suitable for oil cleanup. The hydrophobic site preserved its hydrophobidty and sorption capacity, and the hydrophilic site on PP surface effectively increased the affinity between the hydrophilic interface of emulsion and sorbent. The overlapped and intertwined structures could provide spaces large enough to accommodate oil and emulsion. In addition, the oil and emulsion sorption behaviors were systematically analyzed The PP nonwoven fabricated in this study may find practical application in the cleanup of oil spills and the removal of organic pollutants from water surfaces.
机译：本文主要针对以下两难问题，这些问题影响了油的吸附和吸附剂的制备：（1）疏水化可以促进油的吸附，但对乳液的吸附有不利影响； （2）常规吸油剂的微孔不能表现出有效的乳剂吸附。为了解决上述矛盾，通过电子束辐射和随后的开环反应将亲水和疏水位点制造到聚丙烯（PP）无纺布上。此外，构建没有亲水位点的相似结构作为比较以验证困境。吸油和乳液吸附实验表明，具有特定亲水性和疏水性的PP无纺布更适合油的清洁。疏水位点保留了其疏水性和吸附能力，PP表面上的亲水位点有效地提高了乳液和吸附剂的亲水界面之间的亲和力。重叠和交织的结构可以提供足够大的空间以容纳油和乳液。此外，系统地分析了油和乳剂的吸附行为。本研究中制造的PP无纺布可用于清理溢油和去除水面有机污染物。

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  • 来源
    《Environmental Science & Technology》 |2016年第7期|3860-3865|共6页
  • 作者

    Xiangyu Zhou; Feifei Wang; Yali Ji; Weiting Chen; Junfu Wei;

  • 作者单位

    State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, P.R. China,School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, P.R. China,School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, P.R. China;

    State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, P.R. China,School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, P.R. China;

    State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, P.R. China,School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, P.R. China;

    State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, P.R. China,School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, P.R. China;

    State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, P.R. China,School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, P.R. China,Tianjin Engineering Center for Safety Evaluation of Water Quality & Safeguards Technology, Tianjin 300387, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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