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- W2390838059 abstract "A pilot test was carried out using ultrafiltration membrane as the core of combined process to treat reservoir water around Yellow river area to study different dosage of KMnO4 pre-oxidation's effect on organic configuration and ultrafiltration(UF) membrane fouling.The results show that the most part of organic matter is relative molecular mass of more than 3×103 at the same time the proportion of hydrophilic and hydrophobe organic is almost equal.Coagulation and sedimentation mainly remove the hydrophobic and relative molecular mass of more than 1×105 of organic matter and the removal rates are 13.50% and 47.06%,respectively.With the increase of dosage,KMnO4 pre-oxidation's removal rate of relative molecular mass of more than 1×105 organic increases while producing more 3×103-1×105 organic and makes hydrophobic organic from lower to higher.KMnO4 can reduce membrane fouling when the dosage amount is feasible or can increase the membrane's irreversible pollution when the dosage amount is too high.UF membrane mainly removes hydrophobic organic.The relative molecular mass of more than 1×105 and 1×104-1×105 organic are respectively major factor which causes reversible and irreversible membrane fouling.There are mainly high relative molecular mass and hydrophobic organic in UF backwash waste water and Mn concentration in the waster water of chemical cleaning increases with the increase of dosage of KMnO4." @default.
- W2390838059 created "2016-06-24" @default.
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- W2390838059 date "2012-01-01" @default.
- W2390838059 modified "2023-09-23" @default.
- W2390838059 title "Effect of KMnO_4 pre-oxidation on organic configuration and ultrafiltration membrane fouling" @default.
- W2390838059 hasPublicationYear "2012" @default.
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