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9XQg*:_6Xoi
<;6=>03456
=X67H0L<=M6kL<<=:C6d356767:Vk}9d:V6?\:}9d3L3?;9k/a67<=_6@/0
12345678679:?•1o?967<:Wk<J3?Q:DB<1E:1`6?U56:‚D3L3670866/E31E:
N0/E6767oTDP<7:9<r67d?B3Y:V<@oq]0123\@/03K9V<Q6745676oTZ567

3^Rw67@\:q1`6?U6|:3PD@o1:V3<b:Yp3L33`<<b:4:6X\<1o356767:Vk1E:
4Q@/j67@E6d<b:@/j6756:‚D39X1oX670866/E3dD5:<=/y676/E33K9V<Q674567
8679:3t6Y;<L3?P67D\6Yq:1:V3]9:<L34ORJ67?`<<=_6@/0123ƒYq:1:V3kL<
<=:C6<KT?:V6-<KT@j:1E:42M6<o6V<Q673L383n9d?„kRS671o1:V31„6
o6V<Q676oTƒYq:3L3X\<?P67656767:Vk<=_6@/01231E:1:V34ORJ6767oT
3o676:U0kS6Y}6}9I31o<0Q3YbX1V<231„<ƒYq:1:V3]9:<L3<o:670T_6
]XL674b6ƒYq:1:V3H0b6@ATW0]uD3L3Y•:=L3…d1o1`6?UkL<<=:C67:9X<5671„6
<b:<KT1Q6<:UD†66:U0=K:=X1o423QD5:<=/y67„D3>679T3b1`6?U56:‚D
]567]>RX7:9X<5671okL<<=:C6356767:Vk3{673}b6/q676`<?;6?W63`<
@/j676/E3
.?>@0589A
V<Q6745678679:7:‡19:<=t?B3Y:V<H096<=I67<=X67kL<<=:C6]:6<W-
N•P:3K9&&<^6d<o6kQ3}@:_6H096?W6@/0123V<Q676oT1w9@o670863067
3`k6/E33X4:6X\<1oG0W<3L3X\<?P67]:6<W<=_6@/01236/67?867<y:
3{671w9@oD5:<=/y67<:Wk6„61o1„630TC63L367086?|<b:<=_6@/0123ƒ1w9@o
"#$%&&'$()
*+",-$%&&'$%.

?:U0]:V6?C]9:<L3DB<6/E33X605:<=867<KT4b6d7:9X<5671„6<b:<KTdR0
@;3d6/67?867<y:3{67@oD5:<=/y67<:Wk6„63L33`<<b:R/<w91o423QD5:
<=/y67<w3>63L3X\<?P67?}ƒ1w9@o?:U0]:V6?C]9:<L33L<3XNSTR2676/67
1w9@o6a:<:Wk6„6<=23<:Wk3L3„0H0bD5:<=/y67RX]9:<L33L<H0LDn3ƒ1w9@o
?:U0]:V6?C3Q67NSD6„kDB66/673{671w9@oTW0<Q<x3?†T42@96<=0TU6DB6
1oX4S0<=X676P:?867}<C6}:=h67d<=_6@/0123V<Q6745678679:?967R:‚6
=96‡67DS0<0†6W<4n379T7v<7:‡93L3DJ3<:_0]9:<L3d4ORJ67670866/E3?C
kL<<=:C6]:6<W-N•P::V6<\:1E:3L3DJ3<:_0H0b6@AdYbX1V670866/E3?C4O
RJ67@S0YU6S0<0ˆ66oT?9673}3:U0/E6767oT3o6767:_D<=I67a6<=X67
H0L<=M6?†TD\64267:Vk356767:Vk}9-:V6?\:}9<=_6@/0123
n36r6730673`k6/E33X4:6X\<1o4b6N0`<356767:Vk 1Q6@o3n36r67
H096<=I67o67?G03K9V<Q6745678679:d:V6?967Y;?[RI9<=23<:WkYq:3L3

X\<?P673K93>63L3]0?5<;1o]0356767:Vk<=_6@/0123dYq:3L33`<<b:
?967?/j3?|G06/<=23<:Wk1oX670866/E3
?>@0589AB5
/E3@oDP<603G0<:W<TW03XDI:4:61„<Z5673}6/E3d30P34Q67<=_6
=L:?`<]567<C<86<\:?/j3/j676/E36oT<567H093X6?/y67<n3r6d6/E3
0Q67?:1oX3a<C?C<23:V63L3H0L<=M6<=9X?|:3`<d<=9X?|:6r67@/j67d490?}
<[X3X6?/y67Yo:<:W<g6/E37:b:dD85:di<b:=967Xo:
7oT69Td1E:42kL<<=:C6356767:Vkd?5<;1o42Ym676|RS64Q?•@oD3X
670866/E3<26:_6Y;3\6]:V<1o56:‚DRG6M<Wd3X667/y:kb:Y:W<NO@A3L3
670866/E33`k?C3}?/j3?K4Q@/j671o?bDYbX?\<3`<@/j673XDI:603G04:6
X\<1o4b6N0`<356767:Vk
"#$%&&'$()
*+",-$%&&'$%.
L3670866/E3<2
6:_6
Z9:<L31oNO@A
S6kQ:1o4O
RJ67
07XD1oNO@A

Hình 1.1. Vòng tuần hoàn nước cấp.
/E3@o603G0]567<C<:W0?/j3<=X6730P34Q674:6X\<o6767oT3{67
6/<=X67H0L<=M64b6N0`<356767:Vk<=X674:6X\<d6/E33`kRm673X603G0r6
0Q67d1V4:6d3L3X\<?P677:b:<=>d3L3X\<?P6735673P676/3n0p9dk066/E3d
</E:3STd=O9?/y67d…=X673L3X\<?P67356767:Vkd6/E33`k?/j3Rm673X3L3
H0L<=M6@oD@\6d4b6N0`<<23k†D6/?8Pkd6/E37:b:]L<d=/j0dY:9…G0W<
DI:67o6356767:Vk?U04ORJ676/E33`k6/@oDP<67086670T_6@:V0]5677M
<9T<W?/j3<=X674b6N0`<
mT<0P31oXDn3?PkL<<=:C6356767:Vk1oDn34:6X\<39X<`k3K9D‰:
3P67?867Do603G01U6/E31E:3`<@/j67]L36903{67=`<]L3690~3L36/E3

kL<<=:C6d603G01U6/E33}<C7`k6:U0@G64X1E:3L36/E3?967kL<<=:C6
.843C;68D01E86F00G8D
C?L67:L3`<@/j676/E3d67/y:<9?/9=93L33^<:_01U3`<@/j676/E36/
490
L33^<:_01„<@A3aYb66:V<?Pd?PDo0d?P?J3dDm:doD@/j673`<=v6
<=X676/E3d?PRˆ6?:V6d…
L33^<:_0}9I3kd?P3n67d?P]:UDd?PXNT}9djk3`<6:<ad4v<d
D96796d…
L33^<:_01:4:64Q1:<=m677STYV6Š3X@:d3L3@X\:=X67<bXd1:=0<d
"#$%&&'$()
*+",-$%&&'$%.

Bảng 1.1. Số liệu chất lượng nước sông Đồng Nai quý 4 năm 2010
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( Nguồn: bảng tổng hợp kết quả quan trắc chất lượng nước sông Đồng Nai đoạn 3 quý 4
năm 2010- Trung tâm Quan trắc và kỹ thuật Môi trường tỉnh Đồng Nai)
HIJ81K03456
X4L6]W<H0b<=_61E:Yb67<:_030†63`<@/j676/E3r60Q67d4:6X\<<M3}3L3
3^<:_03/9?\<<:_030†66/490?P?J3dd4v<d3`<‡03ad3X@:’X=D
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?P67D\6Yq:1:V3]9:<L34ORJ67?`<<=_6@/0123ƒYq:1:V3kL<<=:C6<KT?:V6-
<KT@j:1E:42M6<o6V<Q673L383n9d?„kRS671o1:V31„6o6V<Q676oTƒ
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=K:=X1o423QD5:<=/y67
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"#$%&&'$()
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1E:3`<@/j676/E33`k3Xr60Q671o4:6X\<”
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"#$%&&'$()
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Hình 2.1. Sơ đồ cấp nước trực tiếp sau khi khử trùng

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7:<=X67Yb67&&(g=;60S69:O@A6/E33`k3X4:6X\<1o356767:Vkd
<=967F%()d*NSTR267i^3G6]O<=m67=8:3`k3X67/y:<:_0Rm67
 N[\AI>
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Hình 2.2. Sơ đồ xử lí nước bằng lọc chậm
. A89286X
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Hình 2.3. Sơ đồ lọc trực tiếp
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Hình 2.4. Sơ đồ dây chuyền công nghệ xử lý nước truyền thống
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123
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6/E3
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k/a67
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R267
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6rD
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6/E3
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*C<=P6
*C<\XY567 *C@v67
67967
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l6
v676/E3=O9@I3

b3B6=986u63B6
/E3567
8679:
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Hình 2.2. Sơ đồ công nghệ
Ghi chú: Nước xử lý
Nước hoàn lưu
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70866/E345678679:?/j3YaDH094X673v6=L31o@/E:3v6=L3?C@X\:
Yp3L31„<<C3}]>3</E3@E6<=/E3]:?/j3?/91oX83n91o@/0<=‡DP<<y:7:96
6hD|6?;63`<@/j676/E3<=/E3]:?/91oXRST30TU6NO@A90?}d6/E34–<[X
]_6Rˆ61oXYC<=P63a]>3}Y|4067kl665DJ3?>33K9H0L<=M66oT6hD
NLX<=P6?U07:‡96/E31okl6:Wk<J36/E3?/j3Rˆ6?W6YC<\XY567
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3L3\<][XkS6<L6<=X676/E3490H0L<=M6k91o<=P61E:kl64–D`<|6?;61o3}
]b6r67]W<R>61E:690d193\D1E:690?C<\X<o63L3\<3B63}]>3</E3?K
@E6d3}<C@v67<=X67YC@v67XB37:‡@\:?/j3qYC@I3867<y:<\:?STd3L31:4:6
1„<4–YLDR>61oX3L3\<][X@oD7:bD?L67]C@/j671:4:61„<<=X676/E3
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<=I67@23
/E3490]:H09YC@v674–<:Wk<J3?/j3Rˆ6H09YC@I3696*C@I36963}
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/E3490]:NO@A<:Wk<J3?/j3Rˆ6?W6YC]O<=m67\:?ST6/E3?/j3]O
<=m67Yh67@X490?}Rˆ61oXYC3n91o3`k3X67/y:<:_0Rm67
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