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Ch 6

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Title: Author: ShihWen Last modified by: Created Date: 1/12/2000 12:39:15 AM Document presentation format – PowerPoint PPT presentation

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Title: Ch 6


1
?????- ?????? -
Ch 6
???????
2
???
  • ?????
  • ?????????????
  • ????(????)

3
????????
  • ????????,????????

Flickr DFID
4
???????
  • ?????.
  • ????????????????
  • ???????
  • ????
  • ?????.
  • ?????.

5
?????
  • ???????
  • lt 6 MPN/100 mL
  • ????????
  • ????lt 100/mL
  • ??????????
  • ????????
  • ????????????
  • ??????????????

Wiki IAID
6
????????-?????
???????
??
???
????
????
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7
(No Transcript)
8
????
  • ????
  • ??????????, ?????
  • ??????
  • ??????????????????
  • ???
  • ???
  • ??????

9
??????
???
??
Wiki Peellden
???
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????
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10
??
???? ???
???? ???
11
???.???.???????????,???????????,??????,????????,?
????????????,?????????,????????????????????????
??????
12
??/??
  • ????????????????
  • ????????
  • ???????
  • ??????

??????
13
??
  • ????????
  • ???????
  • ????????
  • ????

???????
???????
???????
14
Sedimentation
Wiki MADe
15
??
  • ????????????
  • ???????
  • ???????
  • ??????
  • ???????
  • ???????
  • ?????,????????

???????
16
Filtration
Wiki Che
17
??
  • ??
  • ???????????
  • ???????????
  • ??????,
  • ??????
  • ?????
  • ??????

USEPA
???????
18
? ? ??????????????????,???????,??????????,
?????????,????????? ?????????????????????,
??????????????????????????????????????????,???????
????????,?????????????????????????????????,???
??????????,????????????????????
19
?????????????
???????????
USEPA
20
????
????
  • ????? ?????? _ _ _ _ _ _ _ _ ????????
  • ?????
  • _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
  • _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
  • _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
  • _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
  • _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

??????
??????
??????
????????
???
21
??????? ????????(Cl2,HOCl,OC1-)????,????????(fre
e residual Chlorination )??????????,????????????
Cl2 H2O ? HOCl H Cl- ?????? ????(???HOCl
)????,??NH2Cl?NHCl2?NCl3?,??????????????,?????????
?,???????? ???????? Cl2?????????,?????THM(CHCl3
,CHCl2Br,CHClBr2,CHBr3)??????????????????,????????
?????????????
22
????????
  • ????? ???? ????
  • ??? ? ?
  • ???? ? ?
  • ???? ? ?
  • ?????? ? ?
  • ????? ? ?
  • ????? ? ?
  • ???? ? ?

23
??EPA?????????
  • SDWA(??????)?? Giardia 99.9 ???99.99 ?????
  • ? ????????????????
  • Giardia????????,???? Giardia ?CT????????? CT ?
    (??x??)
  • ??CT??

Giardia????????????????? ??????????????
24
????CT?
USEPA
25
??????????
  • ?????(NOM)????????
  • - NOM???????????????
  • ??????????NOM???????,???10?50???
  • ????????DBPs ????
  • Cl2 Br- NOM ? DBPs

26
???????
  • DBP ????????????,???????????????????????
  • DBP ??????????????
  • ??DBP???????????
  • ???????,?????????????????????

27
???????
  • ??????????
  • ???????DBPs???
  • - THMs????
  • - ???????????????

28
?????
  • ????? ?/?? ? Trihalomethanes / Haloacetic acids
    (THMs/HAAs)
  • ????? ? Bromate (BrO3-)
  • ???? ? ???? (ClO2-/ClO3-)

29
?????????
  • ???????????????,?????????????( ??????1-2 ppm
    ????????)?
  • 70 ???????99 ?????????1.0 ppm ??????????
  • ?????????????,????????????

30
Biofilm ??
Wiki Aalexopo
31
???????
  • ????????????????,????????
  • ??????????,?????????,?????????
  • ?????????,?????????,??????????

32
????
  • ?????????????????????????,????????????
  • ???????????????,??????????????????
  • ?????????????????????????????????????????????????
  • ??????????????????????????,???????????????????,???
    ??????

33
???????????
  • ????
  • ??????,????????????????????????????????????
  • ?????
  • ???????????254nm????,?????????,????????
  • ?????
  • ????(corona discharge)???,???????????????????????
    ????,??????,?????????????????????????

34
??????? - ???????
PP ? ? ? ? ?
? ? ? ? ? (T33)
? ? ? ?
??
35
?? (RO?) - ???????

??
UV ? ? ? ? ?
PP ? ? ? ? ?
? ? ? ? ? (T33)
? ? ? ? ? (CTO)
? ? ? ? ? ?T33
RO ????
?? ?
??
36
??????
? Protected water sources
????(??????) ? Suitable water treatment
??????(????????) ? Disinfection - can it
provide sufficient protection? ????? ?
Long-term exposure to carcinogens due to
disinfection? ????????????DBP????
37
????
?? ???? ??/??
Flickr DFID http//commons.wikimedia.org/wiki/FileProviding_clean_water_to_millions_of_people.jpg 2011/11/4 visited
Wiki IAID http//commons.wikimedia.org/wiki/FileEscherichiaColi_NIAID.jpg 2011/11/4 visited
http//www.thewatertreatments.com/water-quality-lab-who/water-diseases 2011/11/4 visited
USEPA http//water.epa.gov/learn/training/dwatraining/upload/dwaPWSS-intro-pwss.pdf
Wiki Peellden http//commons.wikimedia.org/wiki/FileFeiCueiReservoir.jpg?uselangzh-tw 2011/09/26 visited
38
?? ???? ??/??
???? ??? 2011/11/4 visited
???? ??? 2011/11/4 visited
?????? http//www.twd.gov.tw/ct.asp?xItem986179ctNode23283mp114001 2011/11/4 visited
?????? http//www.twd.gov.tw/ct.asp?xItem986179ctNode23283mp114001 2011/11/5 visited
???? ??? 2011/11/4 visited
39
?? ???? ??/??
???? ??? 2011/11/4 visited
???? ??? 2011/11/4 visited
Wiki MADe http//commons.wikimedia.org/wiki/FileSedimentation_tank.jpg 2011/11/4 visited
???? ??? 2011/11/4 visited
Wiki Che http//commons.wikimedia.org/wiki/FilePC3ADskovC3A9_rychlofiltry_odC5BEelezovny_v_KC3A1ranC3A9m_v_klidu.jpg 2011/11/5 visited
USEPA http//water.epa.gov/drink/guide/upload/book_waterontap_chinesetrans_full.pdf 2011/11/5 visited
40
?? ???? ??/??
???? ??? 2011/11/4 visited
www2.thu.edu.tw/thugo/chinese/06_environment/down.php 2011/11/4 visited
USEPA water.epa.gov/lawsregs/rulesregs/sdwa/.../chapt_2.doc 2011/11/4 visited
Wiki Aalexopo http//commons.wikimedia.org/wiki/FileBiofilm_Formation.jpg 2011/11/4 visited
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