TREATMENT OF WASTEWATER USING PHOTOCATALYSIS Sikder M Selimuzzaman.

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Presentation transcript:

TREATMENT OF WASTEWATER USING PHOTOCATALYSIS Sikder M Selimuzzaman

Outline Introduction Methodology Discussion Conclusion

Introduction Effuent of industry is a mixture suspended, dissolved organic and inorganic pollutantspollutants The level of treatment Preleminery Treatment (rags, sticks etc.) Primary Treatment (ss,om, etc.) Secondary Treatment (bio-organic Matter, ss) Tertiary Treatment (rss, Nut rient, etc) Advance Treatment (DM, SS)

Effuent of industry

Some AOPs

How OH o mineralize the pollutant ?

How photocatalytic degradation (PCD) occur?

Photocatalytic degradation (PCD)

Lay out of the photoreactor

Photoreactor during the experimental run

Results and discussion (Photocatalytic degradation of S 2 O 3 : Effect of UV light and TiO 2 )

Figure: Photocatalytic degradation of S 2 O 3 and corresponding formation of SO 4

Conclusions and recomendations No S 2 O 3 can be removed either UV or TiO 2 or both. Solar light in place of UV light lamp can be used to reduce the pollutant

Thank you

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