粉煤灰絮凝劑聚硅酸鋁鐵的制備工藝研究.pdf

1、遼寧工程技術(shù)大學(xué)碩士學(xué)位論文粉煤灰絮凝劑聚硅酸鋁鐵的制備工藝研究姓名：郭旭穎申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：白潤才20061201Abstract1ThesolubilitypromoterNaCl、NaF、CaO、Na2C03effectswerecompardBymeasuringsolubilizationratioofaluminumandferricTheNa2C03meltingmethodsusedtoincre

2、asetheacidlixiviatepropertyofflyashWCl“eputforward。2Theresearches011theoptimumstechnologyof∞lubil毋promotesandaciddissolvesshowedUSthatWhoaNa2C03／Si02ratioof0560minutesbakingtimetheamperatureat900oC，thesolubilizationratio

3、ofaluminumandferricandsiliconreachinghighestThrougllorthogonalexperiments，thebestaciddissolvesconditionswas4moHHCLStiredat110oCforlhour3Duringthestudyofsynthesizeoftheflocculantsmadefromflyash，thebesttechnologyconditiomw

4、erestudiedbYorthogonalexperimentsSi：AL(mol：m01)=1：05，Si：Fe(mol：m01)=1：05，pHvalueoftheflocculants=11，ageingtemperature60。C，ageingtime2hour41kinfluenceofDosage、simulativewastewaterpHthekindofclayontheflocculationeffectwass

5、tudiedbyusingsynthesizedflocculantsandsimulativewastewaterThesynthesizedfloccu]antscomparedwiththePACandPFSresultsshowed：homemadeflocculantioneffect撇dearlybetterthantheothertwoKeywords：flyash；flocculant；polymericaluminum