ELECTRONICWASTE
Today’s Electronic Gadgets,Tomorrow’s Electronic
Waste
CONTENT What is Electronic Waste ? How this become E-Waste? Generators of E-Waste? Why E-Waste is a problem? E-Waste Disposal E-Waste in INDIA What should be done?
What is E-Waste ?
It is the term used to describe
old , end-of-life or discarded
appliances using electricity and
battery.
How This Become E-Waste ?
Changes and Advancement in Technology
Changes in Fashion , Style & Status
Changing in configurationAttractive offers from
manufacturersSmall life of equipments
Generators of E-Waste Small business and house-hold.
Large Businesses.
Institutions and Government
offices. Equipment
manufacturers.
Why E-Waste is a problem ?
Composed of Hazardous Materials.Electronic products are difficult to
Recycle.Products are quickly obsolete and
discarded.Discarded Electronics are managed
badly.Most E-Waste goes to landfills.
Most recyclers don’t recycle, they export.
E-Waste disposal MethodsRecycleLandfill
IncinerationReuse
E-Waste RecycleDefinitionRecycling is define as
the assemblin,developing , promoting , buying of new products which are prepared from waste materials.
Steps in Recycling Dismantling of E-Waste Removal of hazardous
materials sush as PCB , HG removal of plastic etc . . .
Strong acids are used to remove valuable methals such as Gold , Lead , Copper ect . . .
Methods for Recycling
Consumer recycling Donation Take back Exchange Corporate recycling
Advantages ofRecycling Recycling materials
can be used in developing new equipments.
Valuable materials are retrieved.
Help environment by avoiding pollution.
Land FillingDefinition :Land fill is also known as dump , is a site for the disposal of
waste a site for the disposal of waste materials by burial and is the oldest form of waste treatment.
Disadvantages : Metals like mercury , cadmium , lead reaches into the soil and ground water makes them polluted. Required large amount of space. It is not a environmentally sound treatment .
IncinerationDefinition :It is a controlled and complete
combustionprocess , in which the waste materials is burned in speciallydesigned incinerator at a high temperature (900 – 1000 0c).
Incineration
Advantages : Reduction of waste
volume. Utilization of
energy of combustible substances.
Hazardous substance are converted into less hazardous substance.
Disadvantages : Emission of harmful
gases and residues. Emission of
cadmium and mercury.
Re-Use
Definition :It constitute direct use or use after slight
modifications to the original function equipment.
Advantages : Electronic equipments likecomputers , cell phones etc . . . Can be reused. This method also reduces the volume of E-Waste generation. No wastage of time and money.
E-Waste in IndiaIn INDIA : Over 2million E-Waste is generated
ever year . Harmful techniqueslike burning wires arecommon practice in
the informal recycling sectors in big cities in India.
Recycle steps in INDIA:
Manual Dismantling Refining and
conditioning Soil waste is
deposited in a municipal landfill.
What should be done? Proper laws and policies
should be made.
Awareness among consumers and manufacturers.
Recycle should be made recyclable.
Make usage of recycled products
Do not throw any old
equipments.
Did you know ? The average lifespan of
computer has dropped from 6years in 1997 to just 2years in 2005.
Mobile phones have a lifecycle of less than 2years in developed countries.
183million computers were sold worldwide in 2004-11.6% more than in2003.
674million mobiles phones were sold worldwide in 2004-30% more than in 2003.
By 2010 there will be 716 million new computers in use. There will be 178 new computers users in China , 80million new users in INDIA.
PRESENTED BY SreeKanth
3 rd year CIVIL ENGINEERING
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