Role of dissolved iron ions in nanoparticulate zero-valent iron/H2O2 Fenton-like system

2018 ◽  
Vol 16 (8) ◽  
pp. 4551-4562 ◽  
Author(s):  
Y. Wu ◽  
L. Fan ◽  
S. Hu ◽  
S. Wang ◽  
H. Yao ◽  
...  
Keyword(s):  
Zero Valent Iron ◽  
Iron Ions ◽  
Dissolved Iron

scholarly journals Nano Zero Valent Iron (nZVI) as an Amendment for Phytostabilization of Highly Multi-PTE Contaminated Soil

Materials ◽  
2021 ◽  
Vol 14 (10) ◽  
pp. 2559
Author(s):  
Maja Radziemska ◽  
Zygmunt M. Gusiatin ◽  
Jiri Holatko ◽  
Tereza Hammerschmiedt ◽  
Andrzej Głuchowski ◽  
...  
Keyword(s):  
Plant Biomass ◽  
Absorption Spectrometry ◽  
Zero Valent Iron ◽  
Festuca Rubra ◽  
Control Series ◽  
Flame Atomic Absorption ◽  
Zn Content ◽  
Nano Zero Valent Iron ◽  
Average Plant

In recent years, a lot of attention has been given to searching for new additives which will effectively facilitate the process of immobilizing contaminants in the soil. This work considers the role of the enhanced nano zero valent iron (nZVI) strategy in the phytostabilization of soil contaminated with potentially toxic elements (PTEs). The experiment was carried out on soil that was highly contaminated with PTEs derived from areas in which metal waste had been stored for many years. The plants used comprised a mixture of grasses—Lolium perenne L. and Festuca rubra L. To determine the effect of the nZVI on the content of PTEs in soil and plants, the samples were analyzed using flame atomic absorption spectrometry (FAAS). The addition of nZVI significantly increased average plant biomass (38%), the contents of Cu (above 2-fold), Ni (44%), Cd (29%), Pb (68%), Zn (44%), and Cr (above 2-fold) in the roots as well as the soil pH. The addition of nZVI, on the other hand, was most effective in reducing the Zn content of soil when compared to the control series. Based on the investigations conducted, the application of nZVI to soil highly contaminated with PTEs is potentially beneficial for the restoration of polluted lands.

Unveiling the Role of Sulfur in Rapid Defluorination of Florfenicol by Sulfidized Nanoscale Zero-Valent Iron in Water under Ambient Conditions

2021 ◽  
Vol 55 (4) ◽  
pp. 2628-2638
Author(s):  
Zhen Cao ◽  
Hao Li ◽  
Gregory V. Lowry ◽  
Xiaoyang Shi ◽  
Xiangcheng Pan ◽  
...  
Keyword(s):  
Zero Valent Iron ◽  
Ambient Conditions ◽  
Nanoscale Zero Valent Iron

Assessment of role of iron ions on the physical and spectroscopic properties of multi-component Na2O−PbO−Bi2O3−SiO2 glass ceramics

2017 ◽  
Vol 91 (1) ◽  
pp. 92-107 ◽  
Author(s):  
M. V. Sambasiva Rao ◽  
A. Suneel Kumar ◽  
G. Chinna Ram ◽  
Ch. Tirupataiah ◽  
D. Krishna Rao
Keyword(s):  
Glass Ceramics ◽  
Spectroscopic Properties ◽  
Iron Ions ◽  
Sio2 Glass

scholarly journals Biogeochemical processes in sediments of the Manfredonia Gulf (Southern Adriatic Sea): early diagenesis of carbon and nutrient and benthic exchange

2004 ◽  
Vol 1 (1) ◽  
pp. 803-823 ◽  
Author(s):  
F. Spagnoli ◽  
G. Bartholini ◽  
M. Marini ◽  
P. Giordano
Keyword(s):  
Adriatic Sea ◽  
Water Interface ◽  
Biogeochemical Processes ◽  
Pore Waters ◽  
Dissolved Nutrients ◽  
Dissolved Iron ◽  
High Sedimentation ◽  
Western Adriatic Current ◽  
A Site

Abstract. In order to understand the mechanisms responsible of the recycle of carbon and nutrients at the sediment-water interface and to understand the role of sediments in nutrients mass balance in coastal water, cores were collected (pore waters and solid phases) and benthic fluxes (oxygen, dissolved nutrients, dissolved iron and managanese, alkalinity and TCO2) were measured in two stations in the Gulf of Manfredonia (Southern Adriatic Sea). Stations were chosen to include a site, in the offshore part of the gulf, under the influence of western Adriatic current and another site, in the inner part of the gulf, under influence of gyres occurring inside the gulf. Both stations were placed in areas characterized by high sedimentation rate. Fluxes at sediment water interface show higher values in S2 site during the summer. Bio-irrigation seems to be the main transport mechanism characterizing both sites, with more evident effects during summer in S1 site.

Pentachlorophenol dechlorination with zero valent iron: a Raman and GCMS study of the complex role of surficial iron oxides

2018 ◽  
Vol 25 (18) ◽  
pp. 17797-17806 ◽  
Author(s):  
Buddhika Gunawardana ◽  
Peter J. Swedlund ◽  
Naresh Singhal ◽  
Michel K. Nieuwoudt
Keyword(s):  
Iron Oxides ◽  
Zero Valent Iron

scholarly journals New Perspectives on Iron-Based Nanostructures

Processes ◽  
2020 ◽  
Vol 8 (9) ◽  
pp. 1128
Author(s):  
Seyedeh-Masoumeh Taghizadeh ◽  
Aydin Berenjian ◽  
Marziyeh Zare ◽  
Alireza Ebrahiminezhad
Keyword(s):  
Pure Iron ◽  
Human Life ◽  
Zero Valent Iron ◽  
Iron Hydroxides ◽  
Human Beings ◽  
Iron Iron ◽  
Iron Based ◽  
Forms Of Iron ◽  
Structure Properties

Among all minerals, iron is one of the elements identified early by human beings to take advantage of and be used. The role of iron in human life is so great that it made an era in the ages of humanity. Pure iron has a shiny grayish-silver color, but after combining with oxygen and water it can make a colorful set of materials with divergent properties. This diversity sometimes appears ambiguous but provides variety of applications. In fact, iron can come in different forms: zero-valent iron (pure iron), iron oxides, iron hydroxides, and iron oxide hydroxides. By taking these divergent materials into the nano realm, new properties are exhibited, providing us with even more applications. This review deals with iron as a magic element in the nano realm and provides comprehensive data about its structure, properties, synthesis techniques, and applications of various forms of iron-based nanostructures in the science, medicine, and technology sectors.

Sign in / Sign up

Export Citation Format

Share Document