physical and chemical characterization
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Author(s):  
Wanqing Fang ◽  
Ai Qin ◽  
Yimin Lin ◽  
Rongzi Xv ◽  
Li Fu

BiVO4 is one of the most attractive photoanode materials for photoelectrochemical water splitting. Herein, cobalt phosphate (CoPi) modified BiVO4 (BiVO4/CoPi) photoanode is prepared by electrodeposition. The physical and chemical characterization...


2021 ◽  
pp. 111759
Author(s):  
Mengting Si ◽  
Qiang Cheng ◽  
Lin Yuan ◽  
Zixue Luo ◽  
Zuwei Xu ◽  
...  

Polymers ◽  
2021 ◽  
Vol 13 (11) ◽  
pp. 1678
Author(s):  
Yuri A. Lebedev

Microwave discharges in dielectric liquids are a relatively new area of plasma physics and plasma application. This review cumulates results on microwave discharges in wide classes of liquid hydrocarbons (alkanes, cyclic and aromatic hydrocarbons). Methods of microwave plasma generation, composition of gas products and characteristics of solid carbonaceous products are described. Physical and chemical characteristics of discharge are analyzed on the basis of plasma diagnostics and 0D, 1D and 2D simulation.


2021 ◽  
Vol 248 ◽  
pp. 118229
Author(s):  
Guilherme Martins Pereira ◽  
Sofia Ellen da Silva Caumo ◽  
Adriana Grandis ◽  
Emerson Queiroz Mota do Nascimento ◽  
Alexandre Lima Correia ◽  
...  

2021 ◽  
Author(s):  
Omid Moradi ◽  
Samira Mhdavi ◽  
Sajjad Sedaghat

Abstract Today, environmental pollutants pose a threat to human societies and all living organisms, which is why they have attracted the attention of environmental researchers. In this study, in order to remove pharmaceutical contaminants Naproxen and Amoxicillin from aqueous media with SiO2 nanoparticles based on Agar and Chitosan was investigated. The study of structural properties, physical and chemical characterization of synthesized nanocomposite was investigated by FTIR, XRD, TEM, FE-SEM, DLS and EDX analyzes. In addition, the role of parameters affecting the removal of pharmaceutical contaminants such as solution pH, contact time, contaminant concentration and temperature were studied. Nanocomposites prepared from Agar and Chitosan showed good performance in absorbing naproxen and amoxicillin. According to the studies performed to remove naproxen, the max adsorption efficiency was obtained at a concentration of 20 mg/l with an absorbent dose of 0.05 g and a pH of 8 and at an optimum temperature of 25 °C and 99% in 15 min. Also, for amoxicillin with nanocomposite prepared with an initial concentration of 20 mg/l and an adsorbent dose of 0.05 g, a time of 10 min, a temperature of 25 °C and a pH of 8, the max removal efficiency of 91.15% was obtained.


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