干旱区生态环境知识资源中心(Arid): A Novel Nanocomposite of Activated Serpentine Mineral Decorated with Magnetic Nanoparticles for Rapid and Effective Adsorption of Hazardous Cationic Dyes: Kinetics and Equilibrium Studies

Arid

DOI	10.3390/nano10040684
	A Novel Nanocomposite of Activated Serpentine Mineral Decorated with Magnetic Nanoparticles for Rapid and Effective Adsorption of Hazardous Cationic Dyes: Kinetics and Equilibrium Studies
	Seliem, Moaaz K.1; Barczak, Mariusz 2; Anastopoulos, Ioannis 3; Giannakoudakis, Dimitrios A.4
通讯作者	Seliem, Moaaz K.
来源期刊	NANOMATERIALS
EISSN	2079-4991
出版年	2020
卷号	10 期号:4
英文摘要	A widely distributed mineral, serpentine, obtained from Wadi Ghadir (Eastern Desert in Egypt) was studied as a potential naturally and abundantly available source for the synthesis of an efficient adsorbent for aquatic remediation applications. A novel nanocomposite was synthesized after the exfoliation of the layered structure of serpentine by hydrogen peroxide treatment (serpentine (SP)), followed by decoration with magnetic Fe3O4 nanoparticles (MNP). The goal behind the utilization of the latter phase was to increase the environmental remediation capability and to incorporate magnetic properties at the final adsorbent, toward a better separation after the use. The fabricated composite (MNP/SP) was characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and transmission electron microscopy (TEM). The composite's potential adsorption application toward the removal of two cationic dyes, methylene blue (MB) and malachite green (MG), was investigated. The observed adsorption kinetics was fast, and the highest uptake was observed at pH = 8, with the capacities to reach 162 and 176 mg g(-1) for MB and MG, respectively, values significantly higher than various other materials tested against these two cationic dyes. Compared to hydrogen peroxide-treated serpentine, the removal efficiency of the composite was higher by 157 and 127% for MB and MG, respectively. The MB and MG were adsorbed because of the favorable electrostatic interactions between MNP/SP active sites and the cationic dyes. The close value capacities suggest that the difference in chemistry of the two dyes does not affect the interactions, with the later occurring via the dyes' amine functionalities. With increasing ionic strength, the adsorption of the studied basic dyes was slightly decreased, suggesting only partial antagonistic ion effect. The sorbent can be easily regenerated and reused without significant deterioration of its adsorption efficiency, which makes MNP/SP a promising adsorbent for the removal of hazardous pollutants from aquatic environments.
英文关键词	serpentine magnetic nanoparticles adsorption removal cationic dyes
类型	Article
语种	英语
国家	Egypt ; Poland ; Cyprus
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000539577200087
WOS关键词	MALACHITE GREEN ADSORPTION ; AQUEOUS-SOLUTION ; METHYLENE-BLUE ; CR(VI) ADSORPTION ; RICH CLAY ; REMOVAL ; COMPOSITE ; ISOTHERM ; FLUORIDE ; SYSTEMS
WOS类目	Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/318921
作者单位	1.Beni Suef Univ, Fac Earth Sci, Bani Suwayf 621, Beni Suef Gover, Egypt; 2.Marie Curie Sklodowska Univ, Fac Chem, Inst Chem Sci, Dept Theoret Chem, PL-20031 Lublin, Poland; 3.Univ Cyprus, Dept Chem, POB 20537, CY-1678 Nicosia, Cyprus; 4.Polish Acad Sci, Inst Phys Chem, Kasprzaka 44-52, PL-01224 Warsaw, Poland
推荐引用方式 GB/T 7714	Seliem, Moaaz K.,Barczak, Mariusz,Anastopoulos, Ioannis,et al. A Novel Nanocomposite of Activated Serpentine Mineral Decorated with Magnetic Nanoparticles for Rapid and Effective Adsorption of Hazardous Cationic Dyes: Kinetics and Equilibrium Studies[J],2020,10(4).
APA	Seliem, Moaaz K.,Barczak, Mariusz,Anastopoulos, Ioannis,&Giannakoudakis, Dimitrios A..(2020).A Novel Nanocomposite of Activated Serpentine Mineral Decorated with Magnetic Nanoparticles for Rapid and Effective Adsorption of Hazardous Cationic Dyes: Kinetics and Equilibrium Studies.NANOMATERIALS,10(4).
MLA	Seliem, Moaaz K.,et al."A Novel Nanocomposite of Activated Serpentine Mineral Decorated with Magnetic Nanoparticles for Rapid and Effective Adsorption of Hazardous Cationic Dyes: Kinetics and Equilibrium Studies".NANOMATERIALS 10.4(2020).