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Synthesis of ZnO nanoparticle-anchored biochar composites for the selective removal of perrhenate, a surrogate for pertechnetate, from radioactive effluents

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成果类型:
期刊论文
作者:
Hu, Hui*;Sun, Longli;Gao, Yanling;Wang, Tian;Huang, Yongsheng;...
通讯作者:
Hu, Hui
作者机构:
[Sun, Longli; Huang, Yongsheng; Lv, Chenguang; Hu, Hui; Chen, Xiaohui; Gao, Yanling] Fuzhou Univ, Sch Chem Engn, Fuzhou 350116, Fujian, Peoples R China.
[Wang, Tian] Army Infantry Coll, Nanchang 330103, Jiangxi, Peoples R China.
[Zhang, Yue-Fei] Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Changsha 410114, Hunan, Peoples R China.
[Huang, Qingming] Fuzhou Univ, Instrument Anal & Testing Ctr, Fuzhou 350002, Fujian, Peoples R China.
[Wu, Huixiong] Hualu Engn & Technol Co LTD, Xian 710065, Shanxi, Peoples R China.
通讯机构:
[Hu, Hui] F
Fuzhou Univ, Sch Chem Engn, Fuzhou 350116, Fujian, Peoples R China.
语种:
英文
关键词:
Adsorption;Catalyst selectivity;Cost effectiveness;Density functional theory;Effluents;Hydrophobicity;II-VI semiconductors;Metal nanoparticles;Radioactivity;Uranium dioxide;Zinc oxide;ZnO nanoparticles;Bio chars;DFT study;Partial density of state;Pertechnetate;Radiation resistance;Radioactive effluents;Super-hydrophobic surfaces;Synthesized materials;Synthesis (chemical);biochar;charcoal;cuprous ion;ion;iron;metal organic framework;perrhenate;pertechnetate;radioisotope;sorbent;sorbic acid;zinc oxide nanoparticle;biochar;charcoal;metal nanoparticle;perrhenate;rhenium;zinc oxide;adsorption;biochar;composite;effluent;hydrophobicity;ion exchange;nanoparticle;oxide group;pollutant removal;separation;adsorption kinetics;calculation;chemical analysis;cost effectiveness analysis;density functional theory;effluent;electron transport;heavy metal removal;hydrophobicity;low activity waste;microtechnology;molecular stability;nuclear waste;pyrolysis;radioactive pollution;radiosensitivity;scale up;surface area;synergistic effect;synthesis;adsorption;chemical model;chemistry;kinetics;prevention and control;procedures;radioactive waste;water management;water pollutant;wettability;Adsorption;Charcoal;Density Functional Theory;Kinetics;Metal Nanoparticles;Models, Chemical;Radioactive Waste;Rhenium;Water Pollutants, Chemical;Water Purification;Wettability;Zinc Oxide
期刊:
Journal of Hazardous Materials
ISSN:
0304-3894
年:
2020
卷:
387
页码:
121670
机构署名:
本校为其他机构
院系归属:
化学与生物工程学院
摘要:
Pertechnetate (TcO4-) is a component of low-activity waste (LAW) fractions of legacy nuclear waste, and the adsorption removal of TcO4- from LAW effluents would greatly benefit the site remediation process. However, available adsorbent materials lack the desired combination of low cost, radiolytic stability, and high selectivity. In this study, a ZnO nanoparticle-anchored biochar composite (ZBC) was fabricated and applied to potentially separate TcO4- from radioactive effluents. The as-synthesized material exhibited γ radiation resistance and ...

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