1¤×÷?-àí

    è?o?óD????????í¨1yì?????o??àìú??á???????á???óD?T'ó??±í???y???éê1???D????ó?ìú·?éú31?×??????·'ó|'ó??±??¤3???èü?a??o?á??ú0.05mg/Lò??????????§·'ó|ê??a?o

2Fe2++2H2O+O2?ú2Fe(OH)2

2Fe(OH)2+H2O+1/2O2?ú2Fe(OH)3?y

    ·'ó|éú3é??Fe(OH)3?a?éèíD?×'?????±???yà???ò??¨3ì?èoó???'í¨è?·'?'??????3??'?????????'??3?ê???3y???üá|????1¤×÷?-àíó?ò?íù????D?3y???-àí?àí?????óéóúo??àìúê?2éó???ê???ì?êa??3é??êè?é?à?×á?×'??????±è±í???yê???í¨??D???5-10íò±???òò????·tá???D?3y??D§1?2?àí????Dèòa?¨?ú?á?'?????è??ò?ê1ó???è±????'???á??ò??ê?ó?????D§?è?¨??3y??D§1???

?÷òaì???

??3???3y?????TDè?óèè????·tá?èèá|3y????????3y??±?D??óèèo??ü??è±????

????D§?è?¨??3???o????è?¨?ú0.05mg/Lò??????ú×?1ú?ò?í?11??????ê±ê×?òa?ó??

??°2×°?Tì?êaòa?ó????·tá?èèá|??????3y??±?D?????°2×°??2?±???

?è????·?ê?óDê???oí×???á???D?ê???óéó??§??????

?é??í3?ò????éè±???'???????D???

?ê×???????3y???÷?TD?°2×°·'?'??±?????óúê???D?ê???óéóú??DD?ü?ú??3¤??±?D??ó×°·'?'??±?ò?ìá??·'?'??á???