The document discusses arsenic contamination in Bangladesh. It defines arsenic as a natural element found in rocks, soil, water, air, and plants and animals. It exists in inorganic and organic chemical compounds. In Bangladesh, arsenic contamination of groundwater is a major problem, affecting over 126,000 square kilometers and millions of people. Arsenic poisoning can cause various diseases like cancer, skin lesions, and neurological effects. The document discusses some remediation methods like using alternative water sources and chemical treatment to remove arsenic from water.

1. Topic

2. TO My
PRESENTATION
Presented by:
Emamul Haque
ID: 130120022
Green University of Bangladesh

3. What is Arsenic?
Arsenic is a
natural element
that can be
found in rocks
and soil, water,
air, and in plants
and animals.

4. Types of Arsenic
Arsenic is
usually part
of chemical
compounds.
These
compounds
are divided
Arsenic
Inorganic
compounds
Organic
compounds

5. Source of Arsenic
The origin of
groundwater arsenic
in Bangladesh is
directly related to the
arsenic compounds
present in soils.
 Arsenic can be found
in the earth's crust, in
deeply drilled wells,
and in rocks, soil, air

6. Arsenic in Bangladesh
The serious arsenic
contamination of
groundwater in
Bangladesh has come
out recently as the
biggest natural calamity
in the world.
The people in 59 out of
64 districts comprising
126,134 km2 of
Bangladesh are suffering

7. Effects of Arsenic
When arsenic is
inhaled due to its
presence in airborne
particles, the amount
absorbed into the
blood stream
depends on two
things how soluble
the particular form

8. Arsenic Poisoning Related Diseases
Kidney Failure
Diarrhea
Vertigo
Lung Cancer
Abdominal Pain
Dehydration
Peripheral
Neuropathy
Bladder Cancer.
Kidney Cancer
Nausea
Shock
Skin Cancer

9. Remediation of Arsenic
Alternative sources of
drinking water.
Use of surface water.
Removal of arsenic by
chemical precipitation.
Removal of arsenic by
oxidation.
Extraction and distribution
of arsenic free
groundwater from deep
aquifers.
Development of sewage
and waste disposal
system.
Implementation of
efficient water supply
system.
Removal of arsenic from
the existing water
sources.
Removal of arsenic from
water collected from the

10. How to Save From Arsenic
Acute toxic
inorganic arsenic
exposure and
arsine gas
exposure can
rapidly result in
death, and there
are only a few
ways to possibly

11. What Question Do You
Have???