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1????????
??????????????????2g/L+???4g/L 95? 30min??????
???????+?? ?????4g/L+???8g/L 95? 40min????????????
2????????
???????????????????????????6g/L????????????????????????????????????????????????????????
??????????????????????5?6g/L,50???703???2min?????????
?????????????????15g/L?40????????????6g/L,30?�15s?????????
???????55%?????5?10g/L???2?5g/L??36癇e NaOH 2?5ml/L????80?100????15?30min???1?30?40?
3????????
????20?30g/L?????????1?2g/L?,??30?45min??????????10?20g/L??70?????????????????????????????????????????????????????????????
?????????????????1g/L,???O 2g/L,???2?3g/L?60??30?45min???1?30???????FeSO4?7H2O 10g/L,50%???2g/L,??? PH =3?3?5?80?�60min?????80?�20min?????????35%???10mL/L,NaSiO3.5H2O 3?5g/L,70?80?,45?90min?PH=8?10????
??????????AN4%???2%?30min????????20?30min??????
???????36癗aOH 1%?3%????O 15%?20%??????5%?8%???1?25?30?98?100??20?30min???????????????????????????0?5ml/L???30???10min??????????????????
4????????
???????????????????????????????????????????????????????BASF?ALigen A.
??????????????????20g/L????30g/L??703???????100????????
??????????O 2?4g/L?36癗aOH 12?15mL/L????5?6g/L?70?80??30?60min???1?30?40?
5????????
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?????????100??PH?4?5??????130??????????
??????????100??PH ?3.5??????????????????????????????????????????????
6?????????
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???5ml/L?????5g/L???????????1????????????5ml/L?????150g/L?????5g/L???????????PH?4?4?5???????30min?????????3g/L??60???15min??1?1?5g/L????85???20?30min,??????
??????0?5?1g/L??????????PH??4???????1?2??????????????
7???????????
?5?10mi/L 38�???1?2ml/L????????3?5g/L??????????0?5?1g/L????????????????????????????????????????????????????????????????????
8??????
???????????????????????????????????18g/L????????20g/L,40?)?????
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