Dont Waste the Waste

8/10/2019 Dont Waste the Waste

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CONTROL THE E WASTE HAZARD

In short, E waste are discarded and obsolete products such as oldcomputers , television

Sets and other electronic items and the major contaminant in this electronic items are

Lead, cadmium etc, they are dumped on this earth at a large scale, since it is used in

Pen drives to all electonic items, after their lifetime because of their non productive use,

They are dumped

In this presentation we will see some useful ways of controlling the ewaste

E WASTE CAN BE ANYTHING LIKE



Amount of ewaste produced

Before we get into presentation, lets us have a look at the amount of ewaste produced

Images show the electronic wastage by country

In the United States, an estimated 70% of the

Landfills are of e waste



EWASTE ON HEALTH

Source of e-wastes

Constituent

Health effects

Solder in printed circuit boards,

glass panels and gaskets in

computer monitors

Lead (PB)

•Damage to central and peripheral nervous systems, blood

systems and kidney damage.

•Affects brain development of children.

Chip resistors and

semiconductors

Cadmium (CD)

•Toxic irreversible effects on human health.

•Accumulates in kidney and liver.

•Causes neural damage.

•Teratogenic.

Relays and switches, printed

circuit boards

Mercury (Hg)

•Chronic damage to the brain.

•Respiratory and skin disorders due to bioaccumulation in

fishes.

Corrosion protection of untreated

and galvanized steel plates,

decorator or hardner for steel

housings

Hexavalent chromium (Cr)

VI

•Asthmatic bronchitis.

•DNA damage.

Cabling and computer housing Plastics including PVC

Burning produces dioxin. It causes

•Reproductive and developmental problems;

•Immune system damage;

•Interfere with regulatory hormones

Plastic housing of electronic

equipments and circuit boards.

Brominated flame

retardants (BFR) •Disrupts endocrine system functions

Front panel of CRTs Barium (Ba)

Short term exposure causes:

•Muscle weakness;

•Damage to heart, liver and spleen.

Motherboard Beryllium (Be)

•Carcinogenic (lung cancer)

•Inhalation of fumes and dust. Causes chronic beryllium

disease or beryllicosis.

•Skin diseases such as warts.



CONTROLLING TECHNIQUES

Use of certified IT Asset Disposal (ITAD)

Need to design Electronics whose different components and materials are easy to

separate for disposal and /or reuse

Television sets can be re-used in this way



CONTROLLING TECHNIQUES CHART



DONT WASTE YOUR WASTE

Types of recycling

• Advanced Thermal Recycling (ATR) system

• biomass gasification,

• distillation process,Advanced

thermal

recyclingprocess

Biomass

gasifications

Distillation

process



1.Advanced Thermal Recycling (ATR) system

An Advanced Thermal Recycling (ATR) system (or ATR system) is

an advancement of existing energy-from-waste (EfW) technology.

An ATR system converts ewaste into either electricity or steam for

district heating or industrial customers.

Specifically, ATR systems consist of the following:

Ewaste and human combustion, boiler and combustion control

system, energy recovery and air pollution control equipment;

Combustion bottom ashnd fly ash treatment systems that produce

commercially reusable products; and

An optional pre-processing system to recover recyclable materials

contained in the MSW delivered to the facility before the MSW

enters the thermal processing area of the facility.



2.Biomass gasification

From Waste To Green Energy Power Plants and through this method around 50

Megawatts of energy is produced



3.Distillation process

Through distillation

Process, ewaste can be

processed



Thanks for watching. Hope you will get benefitted

From this presentation

By

Lakshminarayanan

This ppt contains images from many sites, and they dont belong me to truly.

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Dont Waste the Waste