2. ?????:??HOCl?OCl-?? - PowerPoint PPT Presentation

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2. ?????:??HOCl?OCl-??

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Title: PowerPoint Presentation Last modified by: Yuanping Ruan Created Date: 1/1/1601 12:00:00 AM Document presentation format: – PowerPoint PPT presentation

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Title: 2. ?????:??HOCl?OCl-??


1
??????
  • 2006?????2?
  • ??? 20520062203057
  • ?? 20520062203058
  • ??? 20520062203044

2
??????????????????,???????
1. ????????????????? 2. ???????HOCl?OCl-??
3. ???????NH2Cl?NHCl2? NCl3??????????
3
????????
  • ?.?????
  • ??????????(OT?) ?????DPD?????(Pocket
    Colorimeter Chlorine,Hach Company)
    ?????????????

4
????????????????
  • ??????????.?????,???????????????????.
  • ?pH??16???,??237 nm??????,?????08.0
    mg/L????????
  • ??????,??????98?103???.

5
??????????????????
  • ??????????????????????????????,???????,
  • ???????520 nm,pH???2.54.0??,???????2 ml,??????3
    ml.????0.12.0 mg/L????????
  • ????????98104??,??????.

6
????????(OT?)
  • ?pH???1.3??????,??????????,??????????,??????????
  • ?????????????????????????? ???????0.01mg/l???

7
???DPD?????
  • ???????????,?????????DPD????????,???????????,?????
    ????????????????,???????,????????????
  • ??????????????????????????????????????
    ???????,?????????????
  • ????????????????????????????

8
???????????
  • ?????,?????????????????????????????????????????
  • ?????????????????????(??????)?,?????????,??????
    HOCl 2e- ?? Cl- OH-
  • ??????,????????,??????????

9
????????pH???????
  • ?pH4.0-4.5????????
  • ?pH????????
  • ???CO2????,pH????5.5-6.0
  • ???????pH?????????????? ,???????????????????pH???
    ???pH?????????????

10
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