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水环境影响评价 PowerPoint PPT Presentation


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水环境影响评价. 马永刚. 本章内容. 地表水体的 污染和自净 开发行动 对地表水影响的识别 地表水环境影响预测与 评价. 第一节 地表水体的污染和自净. 水体概述 水体 污染 水体 自净 水体的 耗氧 与 复氧 过程. 一 . 水体概述. 一、水环境 水体 —— 海洋、河流、湖泊、水库、地下水 水、水生生物、底质等 用途不同,对水体有不同要求 实际上,除了对水质进行评价外,对水生生物、底质等也应该进行评价. 二 . 水体污染.

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水环境影响评价

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5187008


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.


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.


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  • ()


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QSL/s

q

L/(d)

N

Ks(1.51.7)

mL/t

Mt

Ki

t h


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2.


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  • pH


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.

  • 1.


5187008

BOD

BODn

BODN

BOD2

BOD

BOD/mgL-1

BODc

BODa

BOD1

t/d

2.

4-2 (BOD)


5187008

(1)


5187008

(2)


Bod n

BODN


5187008

(3) K

  • 20KT


5187008

(4)

(5)


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.

  • (1)

    (2)

    (3)

    (4)


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(1)

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(2)


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()

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2


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a

b

c()

d


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A

B

C

D

E

F

G


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1

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1


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2

(HJT2.393)


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  • 1.

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  • 3.

  • 4.


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/1


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  • 20000

  • 1000020000

  • 500010000

  • 10005000

  • 2001000


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  • 310

  • 2107

  • 17


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1

  • 150m3/s

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  • <15m3/s


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2

  • <10m

    50km2550km2<5 km2

  • 10m

    25km2 2.525km2<2.5 km2


5187008

  • (GB3838-2002)

  • (TJ3679)

  • (GB89781996)


5187008

(1)(GHZB1-1999)


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  • 30


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(2)(TJ3679)GHZB11999()ISO


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(3)(GB89781996)


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1


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(1)


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Pi

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2


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3


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(1)


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(2)

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4

(1)


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(2)K

ii

iki(k)

imaxi


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(3)

pH


5187008

IDOjj

DOf

DOjj

DOs


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pH


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IpH,jjpH

pHjjpH

pHsdpH

pHsupH

1


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1

(1)


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(2)


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(3)


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(4)


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2

(1)


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(2)

3.

(1)()


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A()

B()15


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1/201/5


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  • (2)

  • (q>15m3sBH<20()) A

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4

(1)

35 km


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pH


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A

a

C

ux

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x2

B

a

H

C


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QQiQiQ

Qiqn


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Qm3s

1mgL

qm3s

2mgL

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Ln


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3.


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  • ()


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0.95 1.05


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1

(1)


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(2)

(3)

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2

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i,jhi,jsijijii


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(2)


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3


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4

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(2)


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  • (3)


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5


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  • 30001050

    • BODCODSS


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  • 6001232

  • 2166


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  • GB3838-2002 II

  • COD300


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  • 1


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BOD

  • BODStreeter-Phelps


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BOD

  • GB3838-2002IIBOD383.4t/aBOD155.96t/aBOD59%BOD


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BOD

  • BODBOD


1 bod

1BOD

  • 533

  • BOD 9t/a


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BOD


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  • 19931633


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  • 15942km224.94km

  • 50714470m3/d


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  • 15942km2


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  • 4


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  • 1. 20004104t/d2002


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  • 2. 2000200320104t/d2003200640104t/d200715104t/d201055104t/d


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  • 3.


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  • 1. 41280

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  • 3.

  • 4.


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  • 9542km260%648%31%


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  • 23.6km5200km2


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  • 1999954225550m14


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  • 1.PhBOD5\CODCR\SS\NH3-N\

  • 2.


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  • 24.94km


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  • 314.59L/sCOD60mg/LBOD20mg/L2002


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  • 200250200520052005205040.393~71.447104m3/d


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  • CODBOD5

  • C=(cpQp+chQh)/Q

  • cQ

  • cpch

  • QpQh


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  • CODBOD6.67.22.01.72010CODBOD1.41.0


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  • CODBOD73.9%65.3%

  • 1

  • 2


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  • 1. 14743.45104m3/d2431.4104m3

  • 58.25%


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