University of swat Environmental Science

1. USMAN KHAN
Roll No : 24
4th Semester Of Environmental and Conservation
Science
University Of Swat
111/15/2019 1:42 PM

2. 
• Introduction of hazardous waste
• Types of hazardous waste
• Effect of hazardous waste on human health
• Management of hazardous waste
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Content page

3. 
 Hazardous waste is a waste are properties that
has substantial or potential threats to public health
or the environment .
 Ignitability
 Corrosivity
 Reactivity
 Toxicity
Hazardous waste
315 November 2019

4. 
 Example of
hazardous waste :
 Car batteries
 Pesticides
 Radioactive waste
 Waste motor oil
 Anti freez .
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Cont …

5. 
 Every year major health problems result from
hazardous waste like :
 Cancer
 Respiratory problem
 Heart disease
 Diarrhea
 Cholera
 Chest pains
 Irritation of skin and eyes .
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Disease

6. 
 These four method are used for management of
hazardous waste :
A. Land filling
B. Incineration
C. Recycling
D. Biological treatment .
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Management hazardous waste

7. 
A. Land filling :
A landfill is an engineered method for
land disposal of solid and hazardous waste .
 landfills for the disposal of
hazardous wastes are called
secure landfills .
 Modern landfilling .
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Cont…

8. 
B. Incineration :
is a waste treatment process that involves the
combustion of organic substances contained in waste
materials. Incineration and other high-temperature
waste treatment systems are
described as "thermal treatment".
Incineration of waste materials
converts the waste into ash,
flue gas and heat.
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Cont…

9. 
C. Recycling :
Typically food cans are made from steel,
which can be melted down and turned into new food
cans.
 Reduce
 Reuse
 Recycle
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Cont…

10. 
D. Biological treatment :
different types of microorganisms are used
for degradation of specific compounds of hazardous
waste .
 bioremediation
 Psuedomonas bacteria :
benzene , phenol , cresol .
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Cont …

11. 
19 JUN 2019 1111