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Nanomaterials apply in environmental protection

1.     Summarization of nanotech apply in environmental protection

Nanotechnology has the potential to substantially benefit environmental quality and sustainability, through pollution prevention, treatment and remediation. Such benefits include improved detection and sensing, removal of the finest contaminants from air, water and soil, and the creation of new industrial processes which reduce waste products and are themselves “green”. Nanotechnology can be of benefit to environmental protection in areas such as reducing use of raw and manufactured materials (dematerialisation), minimising or eliminating the generation of wastes and effluents and reducing toxics. The environment is also protected in applications which treat waste streams more effectively and remediate existing polluted sites.

2.     Nano-materials which commonly used in environmental protection

Nano-materials

Functions

CdSe-CdS

Environmental sensors, Environmental monitoring

Carbon nanotubes

ZnO

TiO2

ZnSO4

ITO

Ga2O3

SiO2

Gold

Silver

Y2O3

Fe3O4

MgO

Chlorocarbon and organophosphonate remediation

CaO

TiO2

Al2O3

Ca10(PO4)6(OH)2

As a radionuclide sorbent

Zirconium Phosphate

CeO2

Oxygen storage material; As automobile exhaust three-way catalysts


   
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