e waste umang
TRANSCRIPT
-
8/2/2019 e Waste Umang
1/12
3/3/12
What is e-waste
Electronic waste, e-waste,e-scrap orwaste electrical and elecr=tronicequipment(weee) describes loosely
discarded,surplus,obsolete,or brokenelectricals or electronic devices.
-
8/2/2019 e Waste Umang
2/12
3/3/12
Hazards of e-waste
Envoiornmental groups claim thatthe informal processing of electronicwaste in developing countries causes
serious healty and pollutionproblems.some electronic scrapscomponents,such as crts, contain
contaiminants likecadmium,beryllium,mercury,lead andbrominated flame retardants.
-
8/2/2019 e Waste Umang
3/12
3/3/12
Re-use
Re use is an option to recycling as itextends the lifespan of a device.byallowing others to purchased used
items,recycling can be postponedand value gained from use.
-
8/2/2019 e Waste Umang
4/12
3/3/12
recycling
e-waste processing systems havematured in recent years,followingincreased regulatory,public and
commercial scrutiny,and acommensurate increase inentrepreneurial interest.part of this
evolution has involved greaterdiversion of electronic waste fromenergy-intensive downcyclingprocesses
-
8/2/2019 e Waste Umang
5/12
3/3/12
Processing tecnique
In developed countries, e-wasteprocessing usually first involvesdismantling the equipment into
various parts(metal frames,powersupplies,circuit boards,plastics),often by hand but with the lowest
healthy and safety standards
-
8/2/2019 e Waste Umang
6/12
3/3/12
E-waste threat
There is more to rubbish and wastethan our usual bumping of dustbins.arecent study claims that e-waste
volume is to increse in comingyears.
According to a recent report,by 2020
indias e-waste from old computerswill jump 500%
We should we using the e-waste for
beneficial purposes through
-
8/2/2019 e Waste Umang
7/12
3/3/12
Have you ever thought of thepollution and enviornmental hazardsof e-waste?india would we
confronted with the threat ofaccumulation of e-waste in thecoming yearsif necessary policy and
regulations are not put in place tocheck its growth now.
-
8/2/2019 e Waste Umang
8/12
3/3/12
Rising e-waste
The total e-waste in different forms inthe country would now come toaround more than 1.46 lakh tonnes
per year.if these figures are only forindia,imagine the worlds e-waste!
This is expected to exceed eight lakh
tonnes by 2012,korianjoseph,assistantprofessor,enviornmentalengineering,centre for enviornmentalstudies,anna university,chennai said.
-
8/2/2019 e Waste Umang
9/12
3/3/12
E-waste facts
India generated about 350,000tonnes of E-waste every year andimports 50,000 tonnes illegally.
20 to 50 million metric tonnes of E-waste disposed world wide each year
Only 13.6% of disposed E-waste isrecycled
68% of consumers stockpile used
computer equipment in their homes
-
8/2/2019 e Waste Umang
10/12
3/3/12
Generator states
Starting that e-waste has given riseto new enviornmentalchallenges,joseph said
maharashtra,tamilnadu,ap,up,wb,delhi,karnataka,gujarat,punjab and mp, generates 70%of
the total e-waste in the country.
-
8/2/2019 e Waste Umang
11/12
3/3/12
Harmful effects
Quoting a study by an ngo,hesaidbangalore city with 1,322software companies,36 hardware
units and business processoutsourcing units disposes 8000tonnes of waste per year the biggest
concern was the presence of toxismaterials like lead.cadmium,mercuryand arsenic,printer catridge links andtoners that pose significant healthrisks.these companies can
-
8/2/2019 e Waste Umang
12/12
3/3/12
Toxic threat
Iron and steel were the mostcommon materials found andaccounted for half of the total e-
waste,followed by plastics and non-ferrous metals. toxic substances andother harmful substances are usally
concentrated in printed circuitboards.