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Titanium dioxide-coated biochar composites as adsorptive and photocatalytic degradation materials for the removal of aqueous organic pollutants

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成果类型:
期刊论文
作者:
Cai, Xiaoxi;Li, Jiang*;Liu, Yunguo*;Yan, Zhili;Tan, Xiaofei;...
通讯作者:
Li, Jiang;Liu, Yunguo
作者机构:
[Li, Jiang; Liu, Yunguo; Zeng, Guangming; Gu, Yanling; Jiang, Luhua; Tan, Xiaofei; Cai, Xiaoxi; Yan, Zhili] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.
[Liu, Yunguo; Zeng, Guangming; Gu, Yanling; Jiang, Luhua; Tan, Xiaofei; Cai, Xiaoxi; Yan, Zhili; Li, Jiang] Hunan Univ, Key Lab Environm Biol & Pollut Control, Changsha, Hunan, Peoples R China.
[Cai, Xiaoxi] Hunan First Normal Univ, Coll Art & Design, Changsha, Hunan, Peoples R China.
[Liu, Shaobo] Cent S Univ, Sch Architecture & Art, Changsha, Hunan, Peoples R China.
[Liu, Shaobo] Cent S Univ, Sch Met & Environm, Changsha, Hunan, Peoples R China.
通讯机构:
[Li, J; Liu, YG] H
Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.
语种:
英文
关键词:
Adsorption;Biomass;Characterization;Chemical industry;Coated materials;Complexation;Composite materials;Degradation;Organic pollutants;Oxides;Photocatalysis;Sols;Solutions;Titanium;Titanium compounds;Adsorption performance;Aqueous organic pollutants;Bio chars;Effect of adsorptions;High specific surface area;Photo catalytic degradation;Photo-catalytic;Photocatalytic activities;Titanium dioxide;biochar;charcoal;dye;nanocomposite;safranine T;titanium dioxide;unclassified drug;adsorption;aqueous solution;Article;biomass;chemical composition;concentration (parameters);controlled study;infrared spectroscopy;material coating;molecular stability;organic pollution;pH;photocatalysis;photodegradation;pyrolysis;recycling;scanning electron microscopy;surface area;surface property;synthesis;time;ultraviolet irradiation;waste component removal;X ray diffraction;X ray photoelectron spectroscopy
期刊:
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
ISSN:
0268-2575
年:
2018
卷:
93
期:
3
页码:
783-791
基金类别:
This research was financially supported by the National Natural Science Foundation of China (Grant No. 51609268 and 51521006).
机构署名:
本校为其他机构
院系归属:
环境科学与工程学院
摘要:
BACKGROUND: This article reports the synthesis and characterisation of titanium dioxide-coated biochar composites (TBCs) by pyrolysing titanium dioxide-treated biomass prepared by a modified sol–gel method. Their adsorptive and photocatalytic activities were evaluated based on the removal of safranine T (ST) from an aqueous solution with/without UV-light irradiation. RESULTS: Characterisation studies suggested that TiO2 was successfully loaded on the biochar substrate. The biochar and TiO2 contents of the composite significantly affected its p...

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