用強(qiáng)化混凝技術(shù)改善水處理效果的研究.pdf

1、西北工業(yè)大學(xué)碩士學(xué)位論文用強(qiáng)化混凝技術(shù)改善水處理效果的研究姓名：吉青杰申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：吳耀國20050301西北工業(yè)大學(xué)碩士學(xué)位論文ABSTRACTEnhancedcoagulationhasbeenidentifiedasabestavailabletechnologyforremovingnaturalorganicmatter(NOM)andreducingdisinfectionbyproducts(D

2、BPs)thestudyandapplicationindrinkingwaterofenhancedcoagulationhasbeencarriedoutforyearsandenhancedcoagulationhasbeenusedinwastewaterorsewagewatertreatmentinrecentyears.Basedonthecurrentstateofenhancedcoagulationstudyanda

3、pplicationtheauthorstudiedenhancedcoagulationusinginwastewatertreatmentandpreparedcharacterizedanenvironmentalfriendlymultifunctionalagentpotassiumferrateanditsefficiencyinwatertreatmentwasalsostudied.Jartestswerecarried

4、outtosolvetheproblemsaboutthechoiceofcoagulantstheoptimizationofcoagulationconditions(suchaspHcoagulationdose)totreattwotypesofwastewaterwhichwereproducedinwoodprocessing.Theresultsindicatedthatusingpolyferricsulphate(PF

5、S)canenhancedtheefficiencyofeliminatingCODandcolorandpowderedactivatedcarbonfiltrationFentonoxidationareunfittocombinePFSenhancedcoagulationtotreatthosetwotypesofwastewaterthatbiologicalprocesscanenhancedthelaterPFScoagu

6、lationprocessfurthermorebiologicalandPFSenhancedcoagulationcombinedprocessescanbeaprimaryflowinthosetwotypesofwastewatertreatmentsystemandthecorrelativestudystillremainstobecarriedout.Highpuresolidpotassiumferratewasprep

7、aredbychemicalsynthesisandwascharacterizedbyFTIRandUV.Theresultoftheteststhatcarriedouttomeasuretheaqueousdecompositionof.potassiumferrateindicatedthatthestabilityofferratedependsonpHandunderalkalineconditions(pH=911)the

8、ferratehashighchemicalstabilityandunderacidicconditions(pH6)theferrateishighlyunstableanddecomposesrapidly.Theeffectandimpactsofremovalanilinefromwaterbypotassiumferratewerestudied.ThepHofrawwaterpotassiumferratedosereac