: Chính quy
Chuyên ngành :
Khoa
:
: 2011 - 2015
: Chính quy
Chuyên ngành
:
: K43 - N02
Khoa
:
: 2011 - 2015
:
Thái Nguyên,
i
khoa Môi
ã giúp
43B
v
Sinh viên
Hoàng V
ii
Trang
..........................................................9
...........................................12
1
..........................................28
2014 ...............................................................................................................................32
.........................................................34
B
..................................37
..........44
6
..................................................................................45
7
-1)..............................................................................46
-2) ....................................................................47
-1)...................................................................48
0
(MN-2)...................................................................49
.................................................................................51
iii
CÁC HÌNH
Trang
................................................................ 19
................................................................ 19
................................................................ 20
............................................................................. 20
.......................................................... 24
.......... 29
................................................................... 31
.. 39
iv
STT
1
BOD5
2
BVMT
3
BYT
4
BTNMT
5
COD
6
CTNH
7
NE
8
QCVN
9
TCVN
10
TDS
11
TSS
12
SW
13
UBND
v
Trang
.......................................................................................... 1
................................................................................................... 1
................................................................. 2
1.3. Yêu c
...................................................................................... 2
....................................................................................... 2
............................................................... 4
.......................................................................... 4
.......................................................................................... 4
........................................................................................... 6
.................................. 8
..................................................... 8
2.2.2. Tình hình ô n
.................................................... 10
.............. 12
......................................................................................... 13
.. 13
..... 16
....... 21
. 22
............................................................ 22
............................................................................ 22
............................................................................... 22
................................................ 22
................................................................................ 22
.......................................................................... 22
................................................................ 22
vi
....................................... 23
........................................ 23
........................... 24
.
-
................................... 24
.................................................................................. 24
-
................................................ 26
...................................... 27
............................ 27
.......................... 30
4.
............ 37
........................................................................................................... 38
..... 44
.......... 44
.. 45
4
.. 52
.................................................................................. 52
......................................... 53
...................................................... 56
.................................................................................................... 56
.................................................................................................. 57
............................................................................ 58
1
quan tâ
2
-
1.3
1.4
-
-
-
3
-
-
4
2014
-
-
-
-
-
ng 07
-
-
-
-CP
-
-
-
5
-
-
-
-
-
-
-
-
-
- TCVN 6663
1:2011( ISO 5667 3: 2006)-
- TCVN 6663
3: 2008 (ISO 5667
- TCVN 5999: 1995 ( ISO 5667
-
3: 2003)
10 : 1992)
-
r)
tan.
- TCVN 6001
hóa sau n ngày (BODn).
- TCVN 4565
-
6
-
-Phenantrolin.
- QCVN 08: 2008/BTNMT
- QCVN 09: 2008/BTNMT
- QCVN 14: 2008/BTNMT
- QCVN 40: 2011/BTNMT
-
nhiên."
-
7
-
.
0- 1995 và ISO 6107/1-
8
chúng[12]
2.2. T
2.2.1.
ình
.[7]
mãn tính.[7]
9
-
.[7]
-
3
3
km3
3
km2
2
2
, Châu Âu 95km2
Km2 và Châu Úc 4km2
ST
T
Tên sông
1
Amazôn
2
Cogo
2
[12]
TB
(km3)
3
km3)
693
220.000
7.000
1.350
43.000
3.670
3
1.200
38.000
2.000
4
693
22.000
1.940
5
Baraxmaputra
630
22.000
936
6
Mê Kông
551
17.500
810
2010)
áng chú ý sau:
10
ng
-
là
nói
ng và
-
t
2.2.2. T
) [8].
11
gày càng
.
12
m
cho phép
Sông
Sông
sông Sài Gòn)
Sông Sài Gòn
Sông
Sông
].
COD, BOD5,
v
DO (mg/l)
BOD5 (mg/l)
4-6
4-8
1,5 - 5,5
10 - 30
0,4 - 1,5
>1.000
4,5 - 6,5
5-6
13
.
-
- Sông Phó
-
-
-
].
gây ra là:
-
-pho (P);
14
t
-bon
coliform
-
20%
.
,
15
BOD
BOD (Biochemical (hay Biological) Oxygen
Demand
ôxy trong
trong
hay
. BOD
COD
Trong
COD (Chemical oxygen demand
có trong
sông hay
.
ôxy
16
Coliform
oC
Citrobacter, Enterobacter, Escherichia, Klebsiella và
Fecal coliforms (trong
E. Coli
Fecal coliform
o
E.
coli
Ngoài ra,
2.3.
-
3
17
-
-4 -
không an toàn
-
- Môi
ông có
- hàm
-
-