??????????????????????????
1?????
????????????????????????????
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
2????????
2?1???????
?????????????????????????????(2???EDTA)?????????????????????????????????????????30???????????????????????????????
????:
????????:
?????????(??20???????3O???)?703??????(100?)??????
????????:
?????????2????2?(20???) ???8?(???15????60?)??4????2??????????????(NaClO 2?5??????45??)?
2?2???????
???????????,???????????????(6??????????)????????????????????????????????????,????????????
????:
????:
???????(????5?6???50?)?703??(2??)?????????
????:
???????(1 5???40?)?????????(6?/??30? l5?)???????
??????:
55%?????:5-10?/????:2-5?/?(?36癇镹aOH 2-5??/?)?
??80-100,??15-30,??1:30-40?
2?3 ???????
???(2O?30???)????????(1?2?/?)???30?45??????????????(10?20???)?70???????????????,??????????
??????,????????????????????????????????
????:
?????????:
??????(??1g?L????O 2g?L????2-3g?L???60????30-45min???1?30)?????(???????10g/L,50%???2g/L,???pH3-3.5,80???60min)???(80???20min)???????(35????10mL/L????????3-5g?L???70-8O????45-90min?pH?8-1O)???
????????:
???AN:4???:2%??30??????????????20-30??????????
????????:
36癇镹aOH:1%-3%????O:15%-20%??????:5%-8%???:1:25-1:30???:98-100????:20-30min(???????)?
?????????,??????,??0.5mL/L??,30?,10min????????????,???????
2.4???????
????????????????????????????????????????????????,??BASF?Albigen A?
????????:
?????????(??20???????3O???)?703??????(100?)??????
????????:
???O:2-4?/?? 36癇镹aOH:12-15??/?????:5-6?/??
????????70-80?,???30-60??,???1:30-40?
2.5???????
??????????????????????
???:????????(???)?????100??pH4-5?????130??????????
???:?????????100??pH3?5????????
???????????????????????????????????
2.6????????
?????????????????????:
???5?????????5????????????????1?????????,????5????????(150??????)?5??????(?????)???????PH??4?4?5?????30??????????????(3???)?60????15????1??5???????85????20?30???????????
?????(0?5?1???)??????????pH4???????l-2?????????????
????:
??5.1????????????
2?7??????????
5 ?l0????38癇???l?2??? ???????????3?5????????,??0?5?l???????????????????,??????????????????????????????????????????????????
2?8?????
??????,??????????????
?????
??????????(18???)???????(20???,40?)???????
3?????????
3?1??????
???Y??????????O????????????????????????????
3?2?????????
?????????????????,??????????????????????????????????????????????????????
??????,??????????,???????,????????????????????????????
3?3????????
??????????????????,??????:????(?????1?6???)???(85?10??)?????????????????????????????????????
4??????????
4?1?????????
????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????lg?L???
?????????????????,???????????????????????????????????????????????????????1 g?L?
????????????(???????????????????????????????????)???(?????????,????????????)?????(?????????????????????????KNB?????????????????????????????????????????)?????(??????????????????????????????????????? ??????????????????????????????????)???????
4?2 ???????????????????
4?2?1?????????????????1 g?L???O?????????????15%?
4?2?2?????????????????lg?L???O?1mL?L??????????????10%???
4?2?3?????????0?6mL?L??????????????????????????????????????2??????????????????????????
4?2?4?27?5? ???10L???????3L?36癇??2L?209???1L?500L???????????????O???????15%??
4?2?5????5-10g?L?????????????10-20%??????????
4?2?6?10g?L???????????????20%-30%????????
4?2?7?????20g?L???????10-15%?
4?2?8?????27?5%???1-5L?70???2???????????????????????????2??????10%??????????
4?2?9 ?????250L??250mL??????2?????10-15%?
4?2?1O ??????????O??????
5?????????
5?1??????????
5?1?1????
5?1?1?1????:
????????1227????30???100????30??60???????????60???????????10??????98????40??????60????
5?1?1?2?????
?????1227:2%??? 2?5%??? 1:10
5?1?1?3????:
?????(???????) 2O%??? 3%??? 1:20
5?1?2????
5?1?2?1?????
?????????????100??30?????????????60??20??????????6O??????????????100????4O??????60????
5?1?2?2?????
????:2O%??? 10%?
?? 1:20
5?1?2?3????:
????? 15%
?? 1:20
5?1?2?4????
?????(???????) 120%
?? 3%
?? 1:20
5?2??????????
5?2?1????
????????????????20?-3O? ???????5?-10?????O????????80?-85???????????????????20????????????100? ??????????????????
2?2 ????
????????????????????????
Na2CO3 5 ?-10 ?
???O 1O?-l5?
?? 1?20-1?25
?? 98?-100?
?? 90 min-120min
????????????????????????????
2?3 ????
???
36癇镹aOH:1%-3%
???O: 15? ?20?
?????: 5?-8?
?? 1?25-1?30
?? 98?-100?
?? 20min?30min(???????)
???????????????????0?5mL???30? ?10min??????????????????????????????????????????????????????????????????????????????????????????????10B??????????????????????
5?3??????????
5?3?1?????
???????????l-2 g?L??????135???30min??????????l0%-20%?pH?5?????????????????????????????????????
5?3?2????
????2-5 g?L???2-3 g?L????l-2 g?L?
30?????2??min???100???60 min????????
5?4 ?????????????????
?????????????
5?4?1??
5?4?1?1?????
??? 5 g?L-6 g?L
???O 2 g?L-4 g?L
38癇?? 12 mL?L-15 mL?L
?? 60?-70?
?? l?lO
?? 30min
5?4?1?2???????
???????????????O??????????????????70????30min????????????????????????
5?4?2??
5?4?2?1????
3O%H2O2 3 mL?L
38癇?? l mL?L
??? 0?2mL?L
?? 95?
?? 1?10
?? 60 min
5?4?2?2???????
???????????????????????????95????60min??????75???? ????0?2 ?????20min?????80????20min?60????20 min????????????
5?4?3??
5?4?3?1????
???????????30? x?
??? ? ??????5O% Y%
??? ??????50% z%
?? l?lO
?? ????
5?4?3?2 ???????
?????????????
6???????????
????????????? ?????????3?5%????????80?85? ??pH5?6???3O?60??????????????????????????????????????????????????????????????????????????????????????2?????5?lO???????????1?2??????,???????? ??????????????
1??????????3???????????4??????????pH10??45????????????/?????????????????????
1%???????2%????????lO??l5%???????pH5???90?120???????????????????
?2?5???????2?5?/??????8O?85??????????120??????????????????????????????????????
?3%?5%??????????????8O??pH4???4O-6O???????????????????????????????????????????????????????????
?1-2?????????pH3.5????1?????????????????????????????????????????? ?????????????????????????????????????????????
7???????
7?1????????????????????
7?2???????????(????)?
7?3 ?????????????????????
7?4???????????????????????????????????????????????????????????????????????????????????????
7?5??????????????????????
7?5?1???????????????????????????????????????????????????????????
7?5?2????????????????????????????????????????????????????????????????????
7?5?3????????????????????????????????????