【摘 要】
:
苯酚和吲哚是焦化废水中典型的难降解有机物,而将纳米材料应用于该方面的研究鲜有报道。传统纳米材料具有粒径小、比表面积大、反应活性高的特点,而绿色合成纳米铁更具有
【机 构】
:
山西大学低附加值煤基资源高值利用协同创新中心,资源与环境工程研究所,030006
论文部分内容阅读
苯酚和吲哚是焦化废水中典型的难降解有机物,而将纳米材料应用于该方面的研究鲜有报道。传统纳米材料具有粒径小、比表面积大、反应活性高的特点,而绿色合成纳米铁更具有分散性好、稳定性高和环境友好的优势。因此,本研究选用石榴叶合成纳米铁颗粒(PL-Fe NPs),用于去除焦化废水中的苯酚和吲哚。研究结果表明,PL-Fe NPs 为75-105 nm 的准球形颗粒,C、O 和Fe 元素均匀分布于颗粒表面。 PL-Fe NPs 对有机物的去除归因于生物分子和铁纳米颗粒的协同作用。此外,通过对石榴叶提取物的鉴定,证实活性生物分子的主要成分包括烯醇类物质、鞣花酸、没食子酸和甜菜碱等。
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