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1.???????
?????????????????????????????(2???EDTA)?????????????????????????????????????????30???????????????????????????????
????:
????????: ?????????(??20???????3O???)?703??????(100?)??????
????????: ?????????2????2?(20???) ???8?(???15????60?)??4????2??????????????(NaClO 2?5??????45??)?
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?
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????????????,???????
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?
5.???????
??????????????????????
???:????????(???)?????100??pH4-5?????130??????????
???:?????????100??pH3?5????????
???????????????????????????????????
6.????????
?????????????????????:
???5?????????5????????????????1?????????,????5????????(150??????)?5??????(?????)???????PH??4?4?5?????30??????????????(3???)?60????15????1�1?5???????85????20?30???????????
?????(0?5?1???)??????????pH4???????l-2?????????????
????:
??5.1????????????
7.??????????
5?l0????38癇�???l?2??? ???????????3?5????????,??0?5?l???????????????????,??????????????????????????????????????????????????
8.?????
??????,??????????????
?????
??????????(18???)???????(20???,40?)???????
????????
1.??????
???Y??????????O????????????????????????????
2.?????????
?????????????????,??????????????????????????????????????????????????????
??????,??????????,???????,????????????????????????????
3.????????
??????????????????,??????:????(?????1?6???)???(85?10??)?????????????????????????????????????
?????????
1.?????????
????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????lg?L???
?????????????????,???????????????????????????????????????????????????????1 g?L?
????????????(???????????????????????????????????)???(?????????,????????????)?????(?????????????????????????KNB?????????????????????????????????????????)?????(?????????????????????????????????????????????????????????????????????????)???????
2.???????????????????
2?1?????????????????1 g?L???O?????????????15%?
2?2?????????????????lg?L???O?1mL?L??????????????10%???
2?3?????????0?6mL?L??????????????????????????????????????2??????????????????????????
2?4?27?5? ???10L???????3L?36癇�??2L?209???1L?500L???????????????O???????15%??
2?5????5-10g?L?????????????10-20%??????????
2?6?10g?L???????????????20%-30%????????
2?7?????20g?L???????10-15%?
2?8?????27?5%???1-5L?70???2???????????????????????????2??????10%??????????
2?9 ?????250L??250mL??????2?????10-15%?
2?1O ??????????O??????
????????
1.??????????
1?1????
1?1?1????:
????????1227????30???100????30??60???????????60???????????10??????98????40??????60????
1?1?2?????
?????1227:2%??? 2?5%??? 1:10
1?1?3????:
?????(???????) 2O%??? 3%??? 1:20
1?2????
1?2?1?????
?????????????100??30?????????????60??20??????????6O??????????????100????4O??????60????
1?2?2?????
????:2O%??? 10%?
?? 1:20
1?2?3????:
????? 15%
?? 1:20
1?2?4????
?????(???????) 120%
?? 3%
?? 1:20
2.??????????
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??????????????????????
3.??????????
3?1????
???????????l-2 g?L??????135???30min??????????l0%-20%?pH?5?????????????????????????????????????
3?2????
????2-5 g?L???2-3 g?L????l-2 g?L?
30?????2??min???100???60 min????????
4.?????????????????
?????????????
4?1??
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
1?2???????
???????????????O??????????????????70????30min????????????????????????
4?2??
4?2?1????
3O%H2O2 3 mL?L
38癇�?? l mL?L
??? 0?2mL?L ?? 95? ?? 1?10
?? 60 min
4?2?2???????
???????????????????????????95????60min??????75???? ????0?2 ?????20min?????80????20min?60????20 min????????????
4?3??
4?3?1????
???????????30? x?
??? ???????5O% Y%
?????????50% z%
?? l?lO
?? ????
4?3?2 ???????
?????????????
5???????????
????????????? ?????????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?????????????????????????????????????????? ?????????????????????????????????????????????
6???????
1.????????????????????
2.???????????(????)?
3.?????????????????????
4.???????????????????????????????????????????????????????????????????????????????????????
5.??????????????????????
6.???????????????????????????????????????????????????????????
7.????????????????????????????????????????????????????????????????????
8.????????????????????????????????????