Synthesis and characterization of iron/niobium composites: catalyst for dye wastewater treatments

Synthesis and Characterization of Iron/Niobium composites: Catalyst for Dye Wastewater Treatments

Carlos C. Rezende a, Jonas L. Netoa,*, Adilson C. Silvab, Verônica M. Limaa, Márcio C. Pereirac, Luiz C. A. Oliveirab a Department of Chemistry, Federal University of Lavras, 37200-000 Lavras,Minas Gerais, , Brazil. Department of Chemistry, ICEx, Federal University of Minas Gerais, 31270-901 Belo Horizonte,

b

Minas Gerais, Brazil. c Institute of Science and Technology, Federal University of Jequitinhonha and Mucuri Valleys,

39803-371 Teófilo Otoni, Minas Gerais, Brazil.

2' 3'
3HC

1' N

1

2 3 4 N CH3
3HC

N N CH3 S

OH

OH N
3HC

OH

N 4' CH3

S 5' 6'

6

5

N CH3 CH3

N CH3

S

N CH3 CH3

I m/z=284

CH3

II m/z=300

III m/z=316

Application of niobia-based materials as catalysts for methylene blue oxidation involving hydrogen

CO2

H2O

.......

O OH peroxide and ultraviolet light HO HO O N CH3 OH N CH3
3HC

OH

OH N S N CH3 OH CH3

CH3

CH3

N CH3

VI m/z=161

V m/z=130

IV m/z=332

*Highlights (for review)

Highlights Synthesis e characterization of niobia/iron composites; Catalytic activity in reactions employing H2O2 or UV light; Reactions involving methylene blue dye solutions: discoloration e total organic carbon removal.

*Manuscript Click here to view linked References

Synthesis and Characterization of Iron/Niobium composites: Catalyst for Dye
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Wastewater Treatments

Carlos C. Rezende a, Jonas L. Netoa,*, Adilson C. Silvab, Verônica M. Limaa, Márcio C. Pereirac, Luiz C. A. Oliveirab

a

Department of Chemistry, Federal University of Lavras, 37200-000 Lavras, Minas Gerais, Brazil. Department of Chemistry, ICEx, Federal University of Minas Gerais, 31270-901 Belo