Please can anybody explain about the fates of nanoparticles after the photocatalytic oxidation of wastewater?

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Please explain: in green synthesis of NPs (in ratio of precursor and plant extract), if the plant extract is increased, NPs will be increased or not?

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Please can anybody explain in XRD how lattice parameter, lattice space and d spacing affect the photocatalytic activity of anatase TiO2?

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J. C. Tarafdar

Excellent question put by Dr. Gautam. After photolytic oxidation the nano-particles may end up in waste water sludge. Further escape of these nano-particles into the effluent will contaminate the aquatic and soil environment. More research is needed on the aspect as the information till today is negligible.

Yuri Mirgorod

Nanoparticles with adsorbed organics can be ultracentrifuged, dried, removed during thermolysis of organics , and used as a pigment.

Mohsen Sadani

IF nano-particles may end up in waste water sludge , proper management of them is important.I think if enter the effluent of treatment can accumulated in plant tissue and inter the human food chain.

Surya Pratap Goutam

Thank you very much to all for valuable suggestions