e waste umang

Upload: rajat-khanna

Post on 06-Apr-2018

226 views

Category:

Documents


0 download

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.