Rapid adsorption and reductive degradation of Naphthol Green B from aqueous solution by Polypyrrole/Attapulgite composites supported nanoscale zero-valent iron

doi:10.1016/j.jhazmat.2019.02.096

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Rapid adsorption and reductive degradation of Naphthol Green B from aqueous solution by Polypyrrole/Attapulgite composites supported nanoscale zero-valent iron
	Chen, Yong 2; Lin, Zonghui 2; Hao, Rongrong 2; Xu, Hui 1,2; Huang, Chengyu 2
刊名	JOURNAL OF HAZARDOUS MATERIALS
	2019-06-05
卷号	371 页码:8-17
关键词	Polyrrole/Attapulgite Supported Nanoscale zero-valent iron Naphthol Green B Degradation
ISSN号	0304-3894
DOI	10.1016/j.jhazmat.2019.02.096
英文摘要	Polypyrrole/Attapulgite-supported nanoscale zero-valent iron (PPy/APT-nZVI) composites employed to extract Naphthol Green B (NGB) from aqueous solution, were successfully fabricated by chemical oxidative polymerization and liquid-phase reduction method. Comparison experiment of different materials showed that 99.59% of NGB was removed using PPy/APT-nZVI (1:0.5) after 25 min, much higher than APT, PPy, PPy/APT and nZVI. The morphology and structure of PPy/APT-nZVI (1:0.5) composites were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), which confirmed the high disperse and activity of nZVI after supported by PPy/APT. Furthermore, dynamic studies revealed that removal process was highly consistent with not only the pseudo-second-order model for adsorption but also pseudo-first-order model for degradation process, which proved the removal was controlled by chemical surface-limiting step. A possible removal mechanism, containing prompt adsorption of NGB onto the PPy/APT-nZVI (1:0.5) surface and being degraded by nZVI, was put forward. Additionally, the stability study verified the activity of nZVI can retain longer time than that of single nZVI due to such powerfully protective layers of PPy/APT.
资助项目	National Natural Science Foundations of China[51663014][51503092][51763015] ; Foundation of Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences[CMAR-04] ; Natural Science Foundation of Gansu Province[2017GS10857]
WOS研究方向	Engineering ; Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000473121900002
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/31811]
专题	石油化工学院
通讯作者	Chen, Yong; Xu, Hui
作者单位	1.Key Lab Clay Mineral Gansu Prov, Lanzhou 730000, Gansu, Peoples R China 2.Lanzhou Univ Technol, Coll Perochem Engn, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Chen, Yong,Lin, Zonghui,Hao, Rongrong,et al. Rapid adsorption and reductive degradation of Naphthol Green B from aqueous solution by Polypyrrole/Attapulgite composites supported nanoscale zero-valent iron[J]. JOURNAL OF HAZARDOUS MATERIALS,2019,371:8-17.
APA	Chen, Yong,Lin, Zonghui,Hao, Rongrong,Xu, Hui,&Huang, Chengyu.(2019).Rapid adsorption and reductive degradation of Naphthol Green B from aqueous solution by Polypyrrole/Attapulgite composites supported nanoscale zero-valent iron.JOURNAL OF HAZARDOUS MATERIALS,371,8-17.
MLA	Chen, Yong,et al."Rapid adsorption and reductive degradation of Naphthol Green B from aqueous solution by Polypyrrole/Attapulgite composites supported nanoscale zero-valent iron".JOURNAL OF HAZARDOUS MATERIALS 371(2019):8-17.