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Photocatalytic Degradation of Persistence Herbicide Fomesafen by Using ZnO/Na2S2O8 as a Catalyst/Oxidant under UV radiation

Naveetha Gaggara, Atmakuru Ramesh

Applied Ecology and Environmental Sciences. 2019, 7(5), 182-189 doi:10.12691/aees-7-5-4
  • Figure 1. SEM Images of the ZnO nano particles
  • Figure 2. TEM Images of the ZnO nano particles
  • Figure 3. XRD Image of the ZnO nano particles
  • Figure 4. Effect of Light Source on the degradation of the Fomesafen
  • Figure 5. Effect of amount of catalyst used in the degradation of Fomesafen in the photo catalysis reaction; Catalyst Concentration: 10-150 mg L-1
  • Figure 6. Influence of aeration on the degradation of Fomesafen, Catalyst Concentration: 100 mg L-1
  • Figure 7. Effect of addition of Oxidant on the degradation of Fomesafen, Catalyst Concentration: 100 mg L-1; Oxidant Concentration: 100 mg L-1
  • Figure 8. Degradation of Fomesafen under sunlight with 100 mg L-1catalyst and oxidant Na2S2O8 (100 mg L-1) in Acidic, Neutral and Basic buffers