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Rajarata University of Sri Lanka
P.B. Dharmasena
0777-613234, 0717-613234
dharmasenapb@ymail.com, dharmasenapb@gmail.com
https://independent.academia.edu/PunchiBandageDharmasena
https://www.researchgate.net/profile/Punchi_Bandage_Dharmasena/contributions
http://www.slideshare.net/DharmasenaPb
LESSON
TWO
- Water Pollutants
•
•
•
•
•
Lesson-2
- Water PollutantsLESSON
TWO
• (PCB),
DDT
•
•

•
•
•
•


•
• (DDT,
• D)
•
COOH,
< 10 μg/dl
< 60 μg/dl
jl=.vq frda.h - 2009 - 2018 o;a;
•
•
•
•
•
•
•
•
•
•
•
•
•
•
MCP
• Ca, Mg, Sr,
Fe
•
•
Cd++
Fe+++
ldfndlais,sla
ldKavh
weuhsfkda
ldKavh
f*diafmdksla
ldKavh
N –
Cd++
Fe+++
C9H9Cl2NO
ldKavh
fm%dmks,a ridhksl jHqyh
weuhsfkda
ldKavh
laf,dar,a
ldKav
Cd++
Fe+++
C9H11Cl3NO3PS
ක්ලොර්ෆයිරි්ර්ොස්
tauhsv
ldKavh B;hs,
ldKav
laf,dar,a
ldKav
Cd++
Fe+++
ldnß,a ridhksl jHqyh
ldfndlais,sla
ldKavh
tauhsv
ldKavh
පසුගිය වස්ෆ පමණක පිළිකො
් ෝගීන් ්ෙනකු පිළිකො
් ෝහල්වල
වස්ෆ
වස්ෆ
්ෙවැනි වැඩි වශ්යන්ම ම ණ
සිදුවනු්ේ පිළිකො ්හ්තු්වනි
දියවැඩියෝවන්
• 2001 වර්ෆ්ේ දී නොගරික
ජනතොව්ගන් සියයට 10 ක
– සියයට 20 ක
• ග්‍රොමීය ජනතොව්ගන් සියයට
08 ක
• වතුක ්ේ ජනතොව්ගන්
සියයට 05 ක
• මීට ්ප අවුරුදු 55 ඉකම වූ
පිරිස
– ්ේ වන විට කුඩො ළමුන් හො
ගර්ෆණී මවුවරුන්
– පොසල් ළමො ජනගහන්යන්
15-20% දියවැඩියොව
CFC
(CFC
CFC
CFC
Cl
Cl, O3
(BOD)
•
•
•
•
•
- N, P
•
•
•
•
•




Lesson 2   water pollutants
Lesson 2   water pollutants
Lesson 2   water pollutants
Lesson 2   water pollutants

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