Excellent adsorptive-photocatalytic performance of zinc oxide and biomass derived N, O-contained biochar nanocomposites for dyes and antibiotic removal

doi:10.1016/j.cej.2022.138959

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	Excellent adsorptive-photocatalytic performance of zinc oxide and biomass derived N, O-contained biochar nanocomposites for dyes and antibiotic removal
	Yu, Shunli 1; Zhou, Juan 1; Ren, Yanmei 1; Yang, Zhiwang 1; Zhong, Ming 3; Feng, Xiaoqiang 2; Su, Bitao 1; Lei, Ziqiang 1
刊名	Chemical Engineering Journal
	2023
卷号	451
关键词	Aromatic compounds Biomass Dyes II-VI semiconductors Nanocomposites Organic pollutants Organic solvents Photocatalytic activity Stripping (dyes) Zinc oxide Adsorptive and UV/vis-photocatalytic performance Antibiotic removal Biochar Biomass-derived N, O-contained biochar Carbon source Dye removal Low-costs Peanut shells Photocatalytic performance Pure ZnO
ISSN号	1385-8947
DOI	10.1016/j.cej.2022.138959
英文摘要	Designing and constructing low cost, environmental, and efficient photocatalysts is essential to remove the organic pollutants in wastewater. In this work, two series of nanocomposites containing zinc oxide and N, O-contained biochar (ZnO/NOC) were smartly fabricated by using biomass peanut shell as carbon source and template, zinc nitrate as Zn source, and ethanol as solvent. Calcination temperature and mass ratio of biomass to ZnO were optimized to be 700 °C and 0.3. As expected, the optimal ZnO/NOC nanocomposite shows an excellent adsorptive and UV/Vis-photocatalytic performance in the removal of diverse pollutants. Particularly, the photocatalytic activities of ZnO/NOC are 3.5 and 20.5 times higher than pure ZnO for methylene blue degradation (10 mg/L) under ultraviolet and visible lights, respectively. Also, the removal efficiencies of ZnO/NOC for antibiotic (30 mg/L) under the same conditions are 5.4 and 7.7 times higher than pure ZnO. The excellent performance is mainly ascribed to large surface area, ample and proper size pore, fast charges transfer, large density and long lifetime of photogenerated charges, and strong interactions between ZnO and N, O-contained biochar, and so on. And Vis-photocatalytic mechanism was proposed. © 2022 Elsevier B.V.
语种	英语
出版者	Elsevier B.V.
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/159754]
专题	省部共建有色金属先进加工与再利用国家重点实验室
作者单位	1.Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou; 730070, China; 2.College of Chemical Engineering and Technology, Tianshui Normal University, Gansu, Tainshui; 730050, China 3.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China;
推荐引用方式 GB/T 7714	Yu, Shunli,Zhou, Juan,Ren, Yanmei,et al. Excellent adsorptive-photocatalytic performance of zinc oxide and biomass derived N, O-contained biochar nanocomposites for dyes and antibiotic removal[J]. Chemical Engineering Journal,2023,451.
APA	Yu, Shunli.,Zhou, Juan.,Ren, Yanmei.,Yang, Zhiwang.,Zhong, Ming.,...&Lei, Ziqiang.(2023).Excellent adsorptive-photocatalytic performance of zinc oxide and biomass derived N, O-contained biochar nanocomposites for dyes and antibiotic removal.Chemical Engineering Journal,451.
MLA	Yu, Shunli,et al."Excellent adsorptive-photocatalytic performance of zinc oxide and biomass derived N, O-contained biochar nanocomposites for dyes and antibiotic removal".Chemical Engineering Journal 451(2023).