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