Nanotechnology is an unique field of recent research studies which has a wide range of applications. It is a highly multidisciplinary field, drawing attentions from applied physics, material science, colloidal science, supramolecular chemistry and even mechanical and electrical engineering . This new science is a boon to the environment. It is used in solving many environmental problems like pollution control, waste treatment, maintain good air quality, cleaning of oil spillage etc. Current scenario suggests that it promises a great success in future. Nanoparticle, due to its small size has a great surface area due to which is has a good catalytic property. NASA studied that it has many applications in construction of space shuttles due to its light weight and friction resistance property. Nanoparticles are used in medical sciences for the treatment of cancer cells. Colloidal Nanoparticles are beneficial in bulk forms such as suntan lotions, cosmetics, protective coating and stain resistance clothing. Not only western countries, but India also is spreading their hands in this field.

1. Environmental
nanotechnology
Presented By :- Sumer Pankaj
Roll no. :- 195
(T.Y.E.S.)
7/18/2016
1
Environmental
Nanotechnology
Presented by :- Sumer pankaj
Roll no. :- 195
( T.Y.E.S. )

2. Introduction
Product characteristics
Physical properties
Chemical properties
Tools used in nanotechnology
Applications
Case study
Negative impacts on nanotechnology
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Content

3. Nanotechnology :- It is the controlled
manipulation of matter on a atomic,
molecular and supramolecular scale.
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4. Nanotechnology deals with the
development and use of materials or
devices ranging between 1 to100
nanometer. This range is known as
nanoscale.
All the materials that fall under this scale
are nanoparticals or nanocrystals.
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5. High surface area.
High activity.
Catalytic activities.
Adsorbent.
Natural and synthetic.
Wide range of applications.
Prone to form agglomerate.
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6. Shape, size, specific
surface area, and
ratio of width and height.
They get stick together.
Have smooth or bumpy
surface
They can dissolve easily
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7.  Molecular structure
 Composition, including
purity and impurities
 It can held in solid,
liquid or gas
 Surface chemistry
 Attraction of water
molecules or oils and fats
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Transmission electron
microscope
Atomic force microscope
Scanning tunneling
microscope

9. Space shuttles
Medicines
Food
Fuel cells and batteries
Sports goods
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10. Reducing pollution
byproducts
Development of
solar cells
Making of wind-
mill blades
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Cleaning of organic
solvents which pollute
ground water
Development of the
hydrogen fuel cars
 Capturing CO2 in
power plant exhausts

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SR NO MATERIAL NANOMATERIAL USES
1. Concrete Carbon nanotubes
SiO2
Fe2O3
Sufficient
reinforcement
Fraction
prevention
2. Steel Copper
nanoparticals
Improve weld
quality
Improve oxidation
resistance
CASESTUDY
TABLE 1: Application area of nanotechnology for quality improvements
in building resource :-

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SR NO MATERIAL NANOMATERIAL USES
3. Windows TiO2
SiO2
Self-cleaning
ability
Anti-fogging
Prevent heat and
ultraviolet
infiltration
Resistance
against fire
4. Tins/coating TiO2
Silver Nanoparticals
Anti-dirt
Bactria and bug
killing ability

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SR NO MATERIAL NANOMATERIAL USES
5. Solar cells cover shade/ TiO2
Carbon nanotubes
and C60
CdSe quantum dots
More efficient
application of
solar energy
6. Cement Carbon nanotubes
Polypropylene
nanofibers
Improve strength
Resistance
against fire
7. Sensors Carbon nanotubes On time structure
safety evaluation

15. If released in the environment then it is
difficult to identify its amount in the
atmosphere.
It can cause effects to human health and
plants.
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16. Thank you…
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