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Preparation of SiO2@TiO2:Eu3+@TiO2 core double-shell microspheres for photodegradation of polyacrylamide
Zou, Haoyang; Wang, Lan; Tao, Huaizhi; Liu, Yi; Chang, Meiqi; Yao, Shiyu
2019-09-30
Source PublicationRSC ADVANCES
Volume9Issue:53Pages:30790
SubtypeArticle
AbstractRecently, polyacrylamide (PAM) has been widely used in polymer flooding technology to enhance oil recovery and oil production. However, the difficulty in removing hydrolysed PAM (HPAM) from wastewater still seriously blocks the further application of polymer flooding in the oilfields. Herein, we demonstrate the preparation of SiO2@TiO2:Eu3+@TiO2 core double-shell microspheres (STT) through a two-step solvothermal and sol-gel coating strategy. The as-prepared STT exhibits an ideal photocatalytic activity for the photodegradation of HPAM. More importantly, by using STT as the model, the correlation between fluorescence intensity and photocatalytic activity of the photocatalysts is investigated. The results suggest their oppositional relationship. Since many kinds of photocatalysts are utilized in the degradation of organic pollutants, it is believed that our work will not only promote the development of photocatalysis in the field of oil extraction, but also offer a convenient method for evaluating the photocatalytic activity of the photocatalysts.
DOI10.1039/c9ra06187h
Language英语
WOS Research AreaChemistry
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26813
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zou, Haoyang,Wang, Lan,Tao, Huaizhi,et al. Preparation of SiO2@TiO2:Eu3+@TiO2 core double-shell microspheres for photodegradation of polyacrylamide[J]. RSC ADVANCES,2019,9(53):30790.
APA Zou, Haoyang,Wang, Lan,Tao, Huaizhi,Liu, Yi,Chang, Meiqi,&Yao, Shiyu.(2019).Preparation of SiO2@TiO2:Eu3+@TiO2 core double-shell microspheres for photodegradation of polyacrylamide.RSC ADVANCES,9(53),30790.
MLA Zou, Haoyang,et al."Preparation of SiO2@TiO2:Eu3+@TiO2 core double-shell microspheres for photodegradation of polyacrylamide".RSC ADVANCES 9.53(2019):30790.
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