新型改性高分子絮凝剂的制备方法及其性能分析

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1、硕士学位论文AbstractInrecentyears，theapplicationofhighpolymerflocculantinwatertreatmentresearchinstituteshowssuperiorperformanceandreceivedextensiveattentionoftheresearchers．Flocculantmonomerpolymerizationandmodificationmethodsofgrafting，synthesisofanewtypeofflocculantofthesettlem

2、entofoutstandingperformance，theadvantagesofgoodenvironmentalstability，becameoneofthemanyflocculantistheresearchobjectofattention．Thispaperbymodifiedpolymerflocculantandmonomerpolymerizationmacromoleculefiocculantastheresearchobject，andpreparationforaseriesofhighpolymerfloccu

3、lant，andthesedimentationperformancewerestudied．Thispaperselectsthenaturalpolymerflocculantasrawmaterial，dimethylsulfateandhydroxylaminehydrochloride，undertheactionofthemodifiednaturalpolymerflocculantprocessisoptimized，andprocessconditionsarestudied：theesterificationmodifica

4、tiontemperature，dosageofdimethylsulfate，oximationesterificationoximationmodifiedtime，dosageofhydroxylaminehydrochloride，theimpactonthemodifiedflocculant．Atthesametime，therawmaterialsandmodificationofanewtypeofflocculantsedimentationperformancewerestudied．Theresultsshowthatwh

5、enthemodificationreactiontemperatureis70"C，reactiontimeis3h，anhydrousethanoldosage30mL，dimethylsulfateesterificationconditionstheoptimaldosageof2．0mL．Reactiontemperature350Cfor4h，thereactiontime，pHis7．0，thedosageofhydroxylaminehydrochlorideis3．59canbeconcludedthatabetteroxim

6、ationconditions．Obtainedinthesedimentationexperimentswhensettliis20。C，andofthemodifiedsodiumalginatedosingquantityisngtimefor30min，temperature0．8mg／L，afterflocculationfor30min，theremovalratecanamountto91．53％，thebiggestliquid-solidratioof2．33，atthispointhasgoodflocculationeff

7、ectOnthebasisofabovework，thispaperfurtherresearchsystemgotmodifiedorganicpolymerfiocculantflocculation．Thestudyselectsthepolyacrylicacidasrawmaterialsandpolyacrylamideasrawmaterial，thesamewithesterificationoximationmodifiedpreparationfornewtypepolymerflocculants．ResearchOffp

8、reparationtechnologyisoptimized，andtheprocessconditions，theesterificationmo