---------

--------

:

: Chính quy
Chuyên ngành
Khoa
: 2011

2015


---------

--------

:

: Chính quy
Chuyên ngành
Khoa
: 2011

2015

: ThS.

5


iii

.............. 7
................................................................................. 25

- 2014................................................................................................... 28

- 2014 ........................................................................... 29

- 2014................................................................................... 30
.................................................... 31
............ 32
............................................................. 39
................................................................. 40
..... 41
.................................................. 41
....................................... 42
.................................................................................................... 42

.......................................................................................................... 42


iv

HÌNH

.............33
................................34
.............35
..............36

....................................................11
..........................12
...................................................14
...............................................................17
ên

...
.......20

......................................................................20
......................................................................................20
.........................................................................................20
.........................................................................20
..........................................................................................20
...................................20


vi

-

-

.....................................................................................................20
ên .............................................................................20

.......................................................................................................21
u....................................................................................21
.......................................................................................21
.............................................................21

..............................................................................................................49
............................................................................................................50


1


2

, chính xác và khách quan.

-


3

3
3

3
3

, tron

. [6]
00C và 40
-


4

2

SO4, KNO3

* PH

10.

- 10 ppm.

hóa (BOD)

CHC + O2
* Nhu c

CO2 + H2


7

Asen (As)

Cacdimi
(Cd)
Cr6+
Crom (Cr)

liên

Chì (Pb)


3,

gian NH3 và NO2-

3

tphát (H2PO4-, HPO42-

-

- Cl-

- CO2
*
-

-

HCO3-

N2

NO3-, NO2-


9

Mn, Hg.




12

thô

2.2.2.1.

-

-

-

7%

[13]


13

Theo giám

vong
. [16]

dân


14


g
nông thôn.

-