APPLICATION OF PLASMA TORCH IN MUNCIPAL WASTE MANAGEMENT
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project report tiger
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07-02-2010, 06:10 PM



.ppt   APPLICATION OF PLASMA TORCH IN MUNCIPAL WASTE MANAGEMENT.ppt (Size: 1.7 MB / Downloads: 380)

APPLICATION OF PLASMA TECHNOLOGY IN MUNCIPAL WASTE MANAGEMENT

INTRODUCTION


About one-third of municipal waste consists of electronic &biomedical wastes.


Traditionally, inceneration was used for the disposal


Plasma technology is the most promising technology


The paper describes e-waste & plasma e-waste treatment


By-products of the process and their applications has been discussed


WHAT IS AN E-WASTE?


E-waste is the general catagory of outdated or eliminated electronic goods

Broken TV parts ,CPU & CRT monitors of computers, cell phones etc are examples

A computer contain notable amount of toxic materials

A desk top PC contains 57g of lead, 2.5g of barium,0.01g of arsenic 0.8g of antimony

,and other toxics

If incenerated , they produce volatalised heavy metals & causes public health hazards




PLASMA & ITS PRODUCTION IN PLASMA TORCH



Plasma is known as the fourth state of matter

Plasma is an ionized gas containing free roaming electrons

Plasma generates a magnetic field

Plasma is produced artificially using plasma torch

Temperature ranging from 6273 oC can be obtained from a plasma torch



HISTORY AND AN OVERVIEW


Plasma arc technology was used in industries in late 1800s to obtain high

temperatures

It was used in 1900s in chemical industries for manufacturing acetylene from natural

gas

Used in 1960s by NASA to recreate high heat of re-entry encountered by spacecrafts

Recently in 2000s pilot scale research at MIT ;10,000oc plasma “arc was used to melt

waste material into lava like liquid



DISCUSSIONS AND RESULTS

Disposal of CPU of a computer (0. 2 kg) using plasma flame

Temperature of furnace increase at rapid rate(120 seconds) to 1200k

Power rating of plasma torch=20kw

Treatment finish with 150 seconds

By-product gases (syngas) has high calorific value


CONCLUSION



Plasma pyrolysis of municipal waste has the potential to be more flexible than

incineration because it can be modular

It take very less time to dispose waste materials

This technology can be utilized to run large scale waste treatment plants without

less running cost

This technology can bring prosperity to a country both by e-waste cleaning and by

generation of electricity

By-product of process has varying applications in civil engineering
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project report helper
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27-09-2010, 05:25 PM


.ppt   APPLICATION OF PLASMA TORCH IN MUNCIPAL WASTE MANAGEMENT.ppt (Size: 1.88 MB / Downloads: 100)

APPLICATION OF PLASMA TECHNOLOGY IN MUNCIPAL WASTE MANAGEMENT



Guided by: Presented by:
PRAVEENA GANGADHARAN AUGUSTINE TUTTU POULOSE
Lecturer Roll no:16
Civil Department S7,Civil Engg.
SNG College of Engg. SNG College of Engg.

abstract

About one-third of municipal waste consists of electronic &biomedical wastes.


Traditionally, inceneration was used for the disposal


Plasma technology is the most promising technology


The paper describes e-waste & plasma e-waste treatment


By-products of the process and their applications has been discussed

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