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首页> 外文期刊>Journal of Polymers and the Environment >TiO_2/PLLA Electrospun Nanofibers Membranes for Efficient Removal of Methylene Blue Using Sunlight
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TiO_2/PLLA Electrospun Nanofibers Membranes for Efficient Removal of Methylene Blue Using Sunlight

机译：TiO_2 / PLLA电纺纳面纤维膜，用于使用阳光测量亚甲基蓝色的膜

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Globally, 80% of wastewater is still discharged in the environment without being treated at all. Wastewater treatment has become a concern to preserve the ecosystem and to secure the agricultural activities, particularly in regions suffering from water scarcity. This work presents a highly effective method that uses sunlight to rid water of organic pollutants. Titanium oxide, which is known for its photocatalytic properties for the decomposition of organic pollutants, was electrospun with a biodegradable polymer of polylactic acid (PLLA). Nano-fiber membranes of PLLA containing TiO(2)were morphologically and structurally characterized using scanning electron microscopy and FT-IR spectroscopy. The wettability of the membranes was investigated and their performance was studied by measuring the adsorption capacity for methylene blue in presence of sunlight. The membranes showed a 100% removal efficiency (at pollutant concentration as high as 100 ppm and adsorbent dosage of 1 mL/mg) after exposure to sunlight for 60 min at noon in august at Damascus. This underscores the effectiveness of the environmentally and economically applied method.
机译：在全球范围内，80％的废水仍然在环境中排出，而不会得到治疗。废水处理已成为保护生态系统并确保农业活动的担忧，特别是在患有水资源短缺的地区。这项工作提出了一种高效的方法，使用阳光来利用有机污染物的水。以其光催化性能用于分解有机污染物的光催化性质的氧化钛是ElectromatOM的具有可生物降解的聚乳酸（PLLA）的耐可。含有TiO（2）的PLLA的纳米纤维膜在形态学上和在结构上使用扫描电子显微镜和FT-IR光谱表征。研究了膜的润湿性，通过在阳光下测量亚甲基蓝的吸附能力来研究它们的性能。膜在8月在8月在大马士革在中午暴露于阳光后，膜显示出100％的去除效率（高达100ppm和1ml / mg的吸附剂剂量）。这强调了环境和经济应用方法的有效性。

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