management of e waste
TRANSCRIPT
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PPT ON MANAGEMENT OF
E- WASTEMADE BY
NAME- SAGARCLASS- 10
ROLL NO:- 23
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What is Electronic Waste?It is the term used to describe old, end-of-life or discarded appliances using electricity and battery.
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Electronic Equipment's
Computers
Treadmills
Laptops Telephone
Air Condition
er
PrintersDrill Machines
Irons
MobilePhones
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How these become E-Waste?
Changes and Advancement in technology Changes in fashion, style, and status Changing configuration Attractive offers from manufacturers Small life of equipment's
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Generators of E-Waste
Small business and House hold.Large businesses,Institutions and Government offices.Equipment manufacturers.
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Some examples of E-Waste Cell phone upgrades. Digital TV Conversion. Software upgrades. Disposable printers.
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Source of e-wastes
Constituent Health effects
printed circuit boards, computer monitors
Lead (PB) •Damage to nervous system and kidney•Affects brain development of children.
Chip resistors and semiconductors
Cadmium (CD) •Accumulates in kidney and liver. •Causes neural damage.
Hazardous materials
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Relays and switches, printed circuit boards
Mercury (Hg) Chronic damage to the brain. Respiratory and skin disorders
Motherboard Beryllium (Be) lung cancer
Front panel of CRTs.
Barium (Ba) Muscle weakness; Damage to heart, liver and spleen
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Valuable materials
Source of e-wastes
Constituent Uses
Cable, Housing Plastics Insulation
Funnel glass in CRTs, PWB
Lead, gold Metal joining, Connectivity
Housing, PWB, CRT
Mercury, Zinc Batteries, switches
Housing, CRT, PWB, connectors
Aluminum, SilverCopper, iron
Good Conductivity
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Methods Recycle Landfill Incineration
E-Waste Disposal
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E-Waste Recycling
Definition
Recycling is defined as the assembling, developing, promoting, or buying of new products, which are prepared from waste materials.
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Advantages & Disadvantages
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Land filling
Definition:-Land fill is also known as dump, is a site for the disposal of waste materials by burial and is the oldest form of waste treatment.
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Advantages & Disadvantages
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Incineration
It is a controlled and complete combustion process, in which the waste material is burned in specially designed incinerators at a high temperature.
Definition:-
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Advantages & Disadvantages
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Management Of E-waste
Due to advancement in techniques the old instruments are becoming outdated.
This necessitates implemental management measures.
India as a developing country needs simpler, low cost technology for proper management of E-waste.
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In industries management of e-waste should begin at the point of generation.
Waste minimization in industries involves adopting:
1. inventory management,
2. production-process modification,
3. volume reduction,
4. Recovery and reuse.
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What should be done?
Proper laws and policies should be made
Awareness among consumers and manufacturers
Recycling should be preferred Products should be made
recyclable Make usage of recycled products do not throw away old
equipment's
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