Group no 4
Hussnain khan
Awais zahid
Hassan ali
M abuzar
Nashit ahmed
faheem
we talk about remedies which help out to
maintain and protect our environment
 Use of nanoparticles
 Bio remedies
 phytoremediation
There are 8 step to treat the unfit water
Which are following
 Bar screening
 Screening
 Primary clarifier
 Aeration
 Secondary clarifier
 Chlorination
 Water analysis and testing
 Effluent disposal
This process begins with screening out the
large items that have found their way into
sewer system and if not removed it could
cause pumps damage, impede water flow.
there are several types of grit chambers
which perform work
Removal of grit by flowing the influent over/
through a grit chamber otherwise it would
cause damage to equipment downstream.
Initial separation of solid orgain matter from
wastewater .main process of it to control the
water flow if the water to fast than solid
don’t sink to bottom if slow it impact the
process upstream
The basic function of aeration tank is to pump
the oxygen into tank to encourage the
breakdown of organic matter. This process is
managed to offer the best condition for
bacterial growth.
When influent come to second cLARIFIER it
allow to settle out the remains of organic
matter from treated water flow
Chlorine is added to kill the remaining bactria
in contact chamer.
Cholorine is most common,expensive type but
ozone and UV are also use.
Test the PH level,ammonia nitrates phasphates
and dissolved oxygen. Although testing is
continous the wastewater treatment process
to ensure optimal flow clarification and
aeration.
After meeting all permit permission , clean
water is reintroduced into enviornment
Nanotechnology is the research and
development of materials devices and system
that exhibit physical chemical and biological
properties.
 Sporting
goods
 Car paint and car waxes
 Antibacterial cleansers
 Medical bandages
 Indusrty
 Sunscreen and cosmetices
 OLEDES
 ENVIRONMENT
 SOLAR
ENERGY
 FUEL CELLS
 FOOD AND AGRICULTURE
 Automobiles and aeronautics
 Medicals application
 Lab-on-a-chip
It’s a process that uses mainly microorganisim,
plants, or microbial, or plant enzymes to
detoxify contaminants in the soil and other
environments.
In situ techniques
Biostimulation
 Biosparging
EX SITU TECHNIQUES
1. Biopiles
Landfarming
Is a method commonly used for sludge spills.
This method disperses contaminatned soil
and aeration soil by cyclically rotating.
1.
Bioremediation can help to reduce and
remove the pollution we produce, to
provide clean water, air and healthy soils
for future generations.
bioremediation is less intrusive and can
facilitate remediation of environmental
impacts without damaging delicate
ecosystems.
The use of higher plant for the cost-effective
enviornmentally friendly rehabilition of soil
and groundwater contaminated by toxic
metals and organic compounds
In this process green plants are used to treat
and control wastes es in water ,soil .
example
 Removing arsenic with ferns is just one
example of phytoremediation, using plants to
purify land or water. By putting plants to
work, remediation practitioners can save
money on excavation costs and preserve soil
structure
 Phytoremediation
uses plants to clean up
contaminated environments. Plants can
help clean up many types of contaminants
including metals, pesticides, explosives, and
oil. However, they work best where
contaminant levels are low because high
concentrations may limit plant growth and
take too long to clean up.

Microbial bioremediation uses microorganisms to
break down contaminants by using them as a
food source. Phytoremediation uses plants to
bind, extract, and clean up pollutants such as
pesticides, petroleum hydrocarbons, metals, and
chlorinated solvents.
There are advantages of using phytoremediation,
which include: (i) economically feasible—
phytoremediation is an autotrophic system
powered by solar energy, therefore, simple to
manage, and the cost of installation and
maintenance is low, (ii) environment and ecofriendly—it can reduce exposure of the
pollutants to the environment and ecosystem,
(iii) applicability—it can be applied over a
large-scale field and can easily be disposed