纳米级钨酸锶的制备及光催化降解除草剂的研究

Guangzhou Chemical Industry(2010)

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Abstract
通过溶剂热法成功的合成了纳米级钨酸锶颗粒,利用X-射线衍射(XRD)、场发射扫描电镜(FESEM)、傅立叶转换红外线光谱分析(FTIR)等测试手段,对合成产物的结构和形貌进行了表征。以钨酸锶为光催化剂,对除草剂特丁噻草隆的降解性能进行了研究,考察了光源、催化剂、Fe3+、负载天然沸石等因素对除草剂降解率的影响。结果表明,添加Fe3+、天然沸石负载均明显提高除草剂的降解效果。当Fe3+浓度为1.5×10-3mmol/L时,降解率达96.2%;天然沸石负载量40%时,降解率为93.3%。
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Key words
strontium tungsten,herbicides,photocatalysis
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