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Songhua River Polution and Control

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Songhua River Polution and Control in Harbin,China Dr. Wang Binyou Professor Dept. of Epidemiology Harbin Medical University China wangby_at_public.hr.hl.cn – PowerPoint PPT presentation

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Title: Songhua River Polution and Control


1
  • Songhua River Polution and Control
  • in Harbin,China
  • Dr. Wang Binyou
  • Professor
  • Dept. of Epidemiology
  • Harbin Medical University
  • China
  • wangby_at_public.hr.hl.cn

2
Background A massive chemical plant
explosion took place in northeast Chinas Jilin
province on Nov. 13,2005,and caused major
contamination of the 1897 km Songhua River.
3
About 100 tons of dangerous chemicals benzene,
nitrobenzene and other toxics to 10 tanker truck
loads was spewed into the river, which supplies
water to Harbin.
4
Harbin is a China's biggest cities, capital of
Heilongjiang province.
5
Harbin is home to nine million people, including
three million urban residents. Contaminating
water supplies for up to four million people.
6
  • The Songhua River is a tributary of the Heilong
    River on the border between the Russian Far East
    and China.

7
Control measures
8
1,The government has launched an emergency plan
to tackle the situation and for water supplies to
be restored.
9
2, Supplies were cut off due to pollution of the
Songhua River.
10
3, High school and Primary schools were closed.
11
4,Hundreds of villagers have been evacuated from
their homes along a river in northeast China
after an explosion at a petrochemical plant
upstream dumped 100 tons of toxic chemicals in
the water
12
5, Most of the citizens have stored enough water.
13
6,Government have got purified water from other
cities to ensure water supply in the city.
14
7, Harbin Supply Drain Co. LTD have Cleaned
up all the water tankers, replaced the old
filtering devices with new ones and put in active
carbon to purify the water.
15
8, Two reservoirs upstream discharged an
unusually huge amount of water into the river to
dilute the toxic spill.
16
9, The social environment of city was peace.
About 10,000 policemen patrolled the city's
streets.
17
  • Most residents continued to work and shops and
    restaurants remained open despite water supply
    being cut off.

18
10, Local hospitals had stockpiled antidotes to
benzene-related poisoning. The province Governor
ordered hospitals to brace for possible cases of
poisoning, while dozens of wells were dug.
19
11, Taught residents to recognize the symptoms of
benzene poisoning, and gave them some advice.
20
12, All the city's wells were in operation, and
have drilled 45 more wells to supply water for
the heating system in Harbin, where winter
temperatures can fall below -20oC.
21
13, The EPA enhanced monitoring and predict of
the contaminated water.
22
14, Suggested the pollution level would drop
significantly by the time it enters Russia,and
reported the water monitoring result to Russia.
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