detail info about water pollution and different accidents related to water pollution

1. WATER POLLUTION
OI

2. INTRODUCTION
 OIL SPILL IS PART OF WATER POLLUTION
OCCURING IN OCEAN.
 WATER POLLUTION IS THE CONTAMINATION
OF WATER BODIES DUE TO DISCHARGE OF
POLLUTANTS DIRECTLY OR INDIRECTLY
INTO WATER BODIES WITHOUT ANY
ADEQUATE TREATMENT TO REMOVE
HARMFUL COMPOUNDS.
 AN OIL SPILL IS THE RELEASE OF A LIQUID
PETROLEUM HYDROCARBON INTO THE
ENVIRONMENT,ESPECIALLY MARINE
AREAS,DUE TO HUMAN ACTIVITY,AND IS A
FORM OF POLLUTION.THE TERM IS
USUALLY APLLIED TO MARINE OIL
SPILLS,WHERE OIL IS RELEASED INTO
OCEAN,BUT SPILLS MAY ALSO OCCUR ON
LAND.

3. DIFFERENT TYPES OF OIL SPILLS
1. VERY LIGHT OILS (JETS
FUELS)
2. LIGHT OILS (DIESEL,PETROL)
3. MEDIUM OILS (MOST CRUDE
OILS)
4. HEAVY OILS (HEAVY CRUDE
OILS)

4. 5 BIGGEST OILS SPILLS IN HISTORY
1. IXTOC 1 OIL WELL,1979
 LOCATION: BAY OF CAMPECHE,MEXICO
 GALLONS OF OIL SPILL: 140 MILLION
 REASON:OIL WELL IN BAY OF CAMPECHE COLLAPSED
AFTER A PRESSURE BUILDUP SPARKED AN ACCIDENTAL
EXPLOSION.
 CLEANUP PROCESS:DISPERSANTS WERE SPREAD
OVER 1100 SQUARE MILE OF WATER
CONTAINING OIL.HALF OF THE OIL WAS BURNED
AND REMAINING EVAPORATED.ON THE TEXAS
SIDE OF GULF,SKIMMERS AND BOOMERS WERE
PLACED IN WATER TO PROTECT THE BAY AND
LAGOONA OF BARRIER ISLANDS.

5. 2. ATLANTIC EMPRESS,1979
 LOCATION: TRINIDAD AND TOBAGO,WEST INDIES
 GALLONS OF OIL SPILL: 88.3 MILLION
 REASON: EVENING OF JULY 1979,TWO
SUPERTANKERS COLLIDED OFF COAST OF
TOBAGO IN THE CARIBBEAN SEA,PRECIPITATING
THE LARGEST SHIP-SOURCED OIL SPILL IN
HISTORY.ALL TOLD,26 CREW WERE KILLED AND
NEARLY 90 MILLION GALLONS OF CRUDE OIL
WAS DUMPED INTO SEA.
 CLEANUP: DISPERSANTS WERE USED TO TREAT
THE OIL SPILL OVER THE COURSE OF ACCIDENT

6. 3.MUMBAI OIL SPILL,2010
 LOCATION: MUMBAI HARBOUR,ARABIAN SEA.
 VOLUME OF OIL SPILL: 400 -800 TONNES
 REASON:OIL WAS SPILLED DUE TO COLLISION OF
TWO CARGO SHIPS MSC CHITRA AND MV KHALIJA
ON AUGUST 7TH 2010.

7. EFFECTS OF OIL SPILLS ON MARINE
LIFE AND ENVIRONMENT
 OIL DESTROYS THE INSULATING
ABILITY OF FUR-BEARING
MAMMALS,SUCH AS SEA
OTTERS,AND THE WATER
REPELLENCY OF A BIRD’S
FEATHERS,THUS EXPOSING THEM
TO HARSH ELEMENTS. WITHOUT
THE