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Nanotechnology for Waste-Water treatment, less reusable, Nano filtration…
Nanotechnology for Waste-Water treatment
Types of Nanomaterials
Nano adsorbents
Nano metals and
Nanometal oxide
Nanomembrane or
membrane processes
Nano adsorbents
point-of-use
remove organic, heavy metals, bacteria
high specific surface
higher adsorption rate
high production costs
novel approach
biodegradable, biocompatible
Nano zeolites by laser induced fragmentation
ultralong CNTs with high specific salt adsorption
Carbo Nano tubes (CNTs)
Polymeric Nano adsorbents (dendrimers)
Zeolites
Nano metals and Nano metals oxides
removal of heavy metal As and radionuclides
media filters
slurry reactors
powders
pelters
short intraparticle diffusion distance
compressible
abrasion resistant
magnetic
photocatalytic
WO3, Tio2
Novel approach
entrapment in polymeric matrices for stabilisation
TiO2 modification by visible light
forward osmosis
Nano- silver and Nano TiO2
Magnetic Nanoparticles
Nano- zero valent iron
Nanomembrane
Noval Approach
Sea water desalination
Composites
Bio-Nano Fiber
Bio- Nano Composite Membrane
stabilization processes
Process scale up
Reliable
Largely automated process
Relative high enegry demand
Applied to all fields of water and treatment process
Unique size
high specific surface
fast dissolution
high reactivity
strong : sorption
super-Para magnetism
quantum confinement effect
Recovery of Nano catalysts
after treatment process
-More effective
-Remove emerging contaminants
-Sometime cost comparable to conventional methods
less reusable
Nano filtration membrane
Nano Composite
Self Assembling
Nanofiber
Aquaporin based membrane
Disadvantages
Applications
Properties
Nano- silver and Nano TiO2
Magnetic Nanoparticles
Nano- zero valent ion
Applications
Properties
Disadvantages
Carbon Nano tubes (CNTs)
Polymeric Nano adsorbents
Zeolites
Types
Nanofiltration
Aquaporin Based Membrane
Nano Composite
Nano Fiber
Self Assembling
Properties
Disadvantage
Application
Types
Properties
Disadvantage
Advantages
Types