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Photomineralization of untreated wastewater by a novel LaCeZr2O7–SnSe nanocomposite as a visible light driven heterogeneous photocatalyst
Solid State Sciences ( IF 3.5 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.solidstatesciences.2020.106305
Ruqiya Sehrish Gohar , Muhammad Fahad Ehsan , Nazia Karamat , Muhammad Najam-Ul-Haq , Afzal Shah , Jan Nisar , Ashfaq Mahmood Qureshi , Muhammad Naeem Ashiq

Abstract The untreated effluents from our textile industries are directly discharged into water streams thus causing a serious health hazard to aquatic as well as human life. Presently, direct dye Indisole blue, an azo dye, has been degraded by novel hydrothermally fabricated LaCeZr2O7, SnSe and LaCeZr2O7– SnSe nanocomposite. A variety of techniques (XRD, SEM, EDX, XPS, UV–Vis, BET) have been employed in order to characterize the structure, surface morphology, composition as well as optical features of as prepared nanostructures. Photodegradation studies revealed that our prepared nanocatalyst worked efficiently under visible illumination and destructed up to 97% of Indisole blue dye. Moreover, the nanocomposite was also found to be stable after five consecutive runs which endows it to be a probable solution for waste water treatment.

中文翻译:

新型 LaCeZr2O7-SnSe 纳米复合材料作为可见光驱动的非均相光催化剂对未处理废水的光矿化

摘要 纺织工业未经处理的废水直接排入水流,对水生生物和人类生命健康造成严重危害。目前,直接染料 Indisole blue(一种偶氮染料)已被新型水热制造的 LaCeZr2O7、SnSe 和 LaCeZr2O7-SnSe 纳米复合材料降解。已采用多种技术(XRD、SEM、EDX、XPS、UV-Vis、BET)来表征所制备纳米结构的结构、表面形态、组成以及光学特征。光降解研究表明,我们制备的纳米催化剂在可见光下有效工作,并破坏了高达 97% 的 Indisole 蓝染料。此外,还发现纳米复合材料在连续运行五次后稳定,这使其成为废水处理的可能解决方案。
更新日期:2020-08-01
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