화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.77, 171-180, September, 2019
DOI10.1016/j.jiec.2019.04.032  Export Citation
Visible-light-driven decomposition of antibiotic oxytetracycline and disinfection of Escherichia coli using magnetically recyclable lanthanum-nitrogen co-doped titania/calcium ferrite/diatomite heterojunction material
Yan Chen, Qiong Wu, Jun Wang1, †, and Youtao Song†
  • College of Environment, Liaoning University, Shenyang 110036, PR China
  • 1College of Chemistry, Liaoning University, Shenyang 110036, PR China
E-mail:,
Powdery photocatalyst has shown great potential in wastewater treatment, yet the low reusability is still its deficiency. In this work, we prepared magnetically recyclable lanthanum-nitrogen co-doped titania/ CaFe2O4/diatomite (LN-TCD) ternary material by sol-gel technology. The photocatalytic activity of this material was evaluated via the decomposition of antibiotic oxytetracycline and disinfection of bacteria Escherichia coli under visible light. Charge transfer took place at the interface between titania and CaFe2O4, and improved the photocatalytic activity. The photodecomposition rate was accelerated by the high adsorption ability of substrate diatomite. The optimal preparation and experimental factors were determined, and the decomposition mechanism was proposed.
Keywords:Magnetically recyclable;Visible-light photocatalyst;Oxytetracycline;Diatomite;Calcium ferrite
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