Water Decontamination at Radioactively Contaminated Lands

2018 ◽  
pp. 223-244
Author(s):  
Anna V. Voronina ◽  
Nickolay D. Betenekov ◽  
Vladimir S. Semenishchev
Keyword(s):  
Water Decontamination

Development of the water decontamination plant for swimming pools and study of its efficiency

2017 ◽  
Vol 0 (3) ◽  
Author(s):  
Volodymyr V. Blahodatnyi ◽  
Volodymyr I. Bieliavskyi ◽  
Anna S. Bashmakova
Keyword(s):  
Swimming Pools ◽  
Water Decontamination

Nano Zero Valent Iron Composites for Water Decontamination: A Review

2018 ◽  
Vol 5 (2) ◽  
pp. 88-101
Author(s):  
Nivedita Shukla ◽  
Amit Saxena ◽  
Vatsana Gupta ◽  
Ashok Singh Rawat ◽  
Sarita Shrivastava ◽  
...  
Keyword(s):  
Zero Valent Iron ◽  
Water Decontamination ◽  
Nano Zero Valent Iron

scholarly journals The key role of contact time in elucidating the mechanisms of enhanced decontamination by Fe0/MnO2/sand systems

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Viet Cao ◽  
Ghinwa Alyoussef ◽  
Nadège Gatcha-Bandjun ◽  
Willis Gwenzi ◽  
Chicgoua Noubactep
Keyword(s):  
Contact Time ◽  
Diffusive Transport ◽  
Iron Hydroxides ◽  
Iron Corrosion ◽  
Short Term ◽  
Batch Studies ◽  
Water Decontamination ◽  
Co Precipitation

AbstractMetallic iron (Fe0) has shown outstanding performances for water decontamination and its efficiency has been improved by the presence of sand (Fe0/sand) and manganese oxide (Fe0/MnOx). In this study, a ternary Fe0/MnOx/sand system is characterized for its discoloration efficiency of methylene blue (MB) in quiescent batch studies for 7, 18, 25 and 47 days. The objective was to understand the fundamental mechanisms of water treatment in Fe0/H2O systems using MB as an operational tracer of reactivity. The premise was that, in the short term, both MnO2 and sand delay MB discoloration by avoiding the availability of free iron corrosion products (FeCPs). Results clearly demonstrate no monotonous increase in MB discoloration with increasing contact time. As a rule, the extent of MB discoloration is influenced by the diffusive transport of MB from the solution to the aggregates at the bottom of the vessels (test-tubes). The presence of MnOx and sand enabled the long-term generation of iron hydroxides for MB discoloration by adsorption and co-precipitation. Results clearly reveal the complexity of the Fe0/MnOx/sand system, while establishing that both MnOx and sand improve the efficiency of Fe0/H2O systems in the long-term. This study establishes the mechanisms of the promotion of water decontamination by amending Fe0-based systems with reactive MnOx.

Green synthesis of spherical TiO2 nanoparticles using Citrus Limetta extract: Excellent photocatalytic water decontamination agent for RhB dye

2021 ◽  
Vol 129 ◽  
pp. 108618
Author(s):  
Ghulam Nabi ◽  
Abdul Majid ◽  
Asma Riaz ◽  
Thamer Alharbi ◽  
Muhammad Arshad Kamran ◽  
...  
Keyword(s):  
Green Synthesis ◽  
Tio2 Nanoparticles ◽  
Water Decontamination ◽  
Citrus Limetta

scholarly journals Non-purified commercial multiwalled carbon nanotubes supported on electrospun polyacrylonitrile@polypyrrole nanofibers as photocatalysts for water decontamination

RSC Advances ◽  
2021 ◽  
Vol 11 (17) ◽  
pp. 9911-9920
Author(s):  
Gabriele Capilli ◽  
Damian Rodríguez Sartori ◽  
Monica C. Gonzalez ◽  
Enzo Laurenti ◽  
Claudio Minero ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Advanced Oxidation Processes ◽  
Supported Catalyst ◽  
Advanced Oxidation ◽  
Multiwalled Carbon ◽  
Water Decontamination ◽  
Oxidation Processes ◽  
Commercial Carbon ◽  
Metallic Impurities

Under UV-Vis irradiation, the metallic impurities embedded in non-purified commercial carbon nanotubes generate radicals suitable for advanced oxidation processes. Semiconducting PPY membranes enhance the photo activity of a supported catalyst.

Effects of common metal cations on Ag3PO4-photocatalytic water decontamination

2015 ◽  
Vol 3 (2) ◽  
pp. 1215-1222 ◽  
Author(s):  
Ruifeng Chong ◽  
Xiaoxue Cheng ◽  
Zhixian Chang ◽  
Deliang Li ◽  
Ling Zhang
Keyword(s):  
Metal Cations ◽  
Water Decontamination
Sign in / Sign up

Export Citation Format

Share Document