… dye wastewater. Acid Orange 7 was chosen as a model … the degradation of AO7 in iron ore
tailing heterogeneous Fenton-like process. However, it is highly significant that degradation of …

… as photocatalyst in organic dye degradation using UV radiation … In the present investigation
it is used for dye degradation. … We used iron ore reject for degradation of model organic dye …

… , synthesised using ferric iron recovered from waste iron ore tailing and reagent grade … dye
decolourisation/degradation with the increase of pH, due to facile interaction between the dye …

… , possibly due to the presence of reduced iron phases, and the reaction follows a radical
mechanism. The catalysts were very active for dye oxidation (methylene blue and rhodamine B) …

… à Pesquisa do Estado de Minas Gerais – Brazil (FAPEMIG) for the financial support, the Vale
SA for receiving our research group in technical visits and allowing us to collect the iron ore …

… the degradation of Novacron blue (NB) dye (a reactive azo dye … O 4 nanoparticles and natural
iron ore (NIO) were incorporated … 22 % of NB dye under optimum conditions (pH 2, [NB] 0 …

… XPS results showed that iron and cobalt in CoFe 2 O 4 are present as Fe 3+ and Co 2…
degraded CR dye under visible light and ultrasonic power for which the most probable degradation …

… ZnO@CuO@iron ore NCs in the destruction of a wide spectrum of harmful organic dyes. …
This study uses ZnO@CuO@iron ore NCs as a highly efficient nanocatalyst to aid the …

… iron ore tailings from tailing dams into catalysts able to activate H 2 O 2 for the purpose of
treating, in a continuous flow, effluents contaminated with organic dyes, … of dye degradation in …

… Extensive use of dyes in various dying processes and subsequent release of unused dyes
… , oxidative/photo-degradation, etc. are being opted to reduce the dye concentration in the …