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Pan Hu
Nanjing University
FlocculationAqueous solutionChemistryChemical engineeringSludge
2Publications
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2Citations
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#1Pan Hu (NU: Nanjing University)H-Index: 1
#2Zhonghua Xi (NU: Nanjing University)
Last. HuYang (NU: Nanjing University)H-Index: 21
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Abstract Three series of co-graft cationic starch (St)-based flocculants with distinct structural characteristics, namely, charge density (CD), graft-chain length (L), and graft-chain distribution (N), were successfully synthesized through graft copolymerization of [(2-methacryloyloxyethyl) trimethyl ammonium chloride] and acrylamide. These St-based flocculants with different molecular structures were used to flocculate various kaolin suspensions with different initial turbidities and a sodium h...
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#1Hua Wei (NU: Nanjing University)H-Index: 5
#2Pan Hu (NU: Nanjing University)H-Index: 1
Last. HuYang (NU: Nanjing University)H-Index: 21
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Abstract Conditioning is essential for achieving effective sludge dewatering and easier disposal. In this study, a combined pretreatment of acidification and oxidation using potassium permanganate (KMnO 4 ) as oxidant was conducted to improve the effect of a cationic starch-based flocculant (St-WH) on the dewaterability of sewage sludge. Synergetic dewatering mechanisms by acidification, oxidation, and flocculation are discussed in detail according to the analysis of the changes in bound water c...
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