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1、齊齊哈爾大學(xué)畢業(yè)設(shè)計(jì)(論文)題口11」鉤鉆雜多酸摻雜材料制備及光降解催化性能研究學(xué)院專業(yè)班級(jí)化學(xué)101學(xué)生姓名XXX指導(dǎo)教師單秋杰成績2014年6}]H齊齊哈爾大學(xué)畢業(yè)設(shè)計(jì)(設(shè)計(jì))摘要木論文采用的直接法合成了兩個(gè)雜多酸鹽,結(jié)構(gòu)是Keggin類型K8[Ni(H2O)WiiCoO39]和K8[Zn(H2O)W]iCoWiiO39],利用這兩種鹽與PANI反應(yīng)合成了聚苯胺摻雜的多金屬雜多酸鹽摻雜材料通過化學(xué)氧化還原法K8[Ni(H2O)W1iCoO39]/PANI>K8[Zn(H2O)Wi!CoO39]/PANI,并用IR、XRD、UV等對(duì)制備出的樣品進(jìn)
2、行了表征。此外,以所合成的摻雜材料為催化劑,在紫外燈下照射lOOmin,研究了孔雀石綠溶液的光催化降解的反應(yīng)。實(shí)驗(yàn)研究結(jié)果表明,兩種雜多酸鹽摻雜材料的光降解的最佳條件一致,當(dāng)孔雀石綠溶液以5mg/L為最初的濃度、加入O.O8g的合成的催化劑、pH=2時(shí),催化脫色效果最佳。此時(shí),當(dāng)催化劑為K8[Zn(H2O)W!!CoO39]/PANI時(shí),孔雀石綠染料液脫色效果是85.30%;當(dāng)催化劑為K8[Ni(H2O)WiiCoO39]/PANI時(shí),孔雀石綠染料液脫色率是89.92%;當(dāng)催化劑為K8[Zn(H2O)WnCoO39]時(shí),孔雀石綠溶液脫色率為48.7
3、3%;當(dāng)催化劑為K8[Ni(H2O)W11CoO39]時(shí),孔雀石綠溶液脫色率為55.63%;當(dāng)沒有催化劑時(shí),孔雀石綠口動(dòng)降解溶液脫色率22.97%0PANI和雜多酸鹽摻雜后所制備出的催化劑具有非常好催化活性。關(guān)鍵詞:雜多酸鹽;Keggin;聚苯胺;摻雜;光催化;孔雀石綠;降解AbstractInthiswork,TwoheteropolyacidsaltsaresynthesizedbythedirectmethodKg[Ni(H20)W11COO39],Ks[Zn(H2O)W11COO39]andthestructureofeverysaltis
4、Keggin.ThematerialsthatthetwosailtsdopedpolyanilinearesynthesizedbythewayofchemicaloxidationmethodK8[Ni(H2O)Wi1CoO39]/PANI,K8[Zn(H2O)Wi1CoO39]/PANLAndallofthemarecaterizedthoroughlybyUV,IRandXRD.Inaddition,photocatalyticdegradationreactionofmalachitegreensolutioninthesametimei
5、nwhichthesynthesizedmateriasarecatalysts,isstudiedundertheUVlightlOOmin.Afterthetest,theresultshaveshownthatastheinitialconcentrationofthemalachitegreensolution5mg/L,thedosageofthecatalyst0.08g,thesolutionpH=2,therateofthecatalyticdecoloringreactionisthehightest.Atthispoint,as
6、toKg[Zn(H20)WiiCoO39]/PANIasthecatalyst,themalachitegreensolutiondecolorizationratecanreach85.30%;AsthecatalystfortheK8[Ni(H2O)WnCoO39]/PANI,themalachitegreensolution5mg/Ldecoloringrateis89.92%;WhenthecatalystfortheKs[Zn(H2O)W11COO39],therateofthedecolorizationreactionis48.73%
7、;AsthecatalystfortheKs[Ni(H2O)W11COO39],thedecolorizationrateofthe5mg/Lmalachitegreensolutionis55.63%;Thedegradabilityreactionrateofthesamesolutionbutwithoutcatalystis22.97%.TheperformanceofthepolyanilinedopedwithheteropolyacidsaltcatalystKs[Ni(H2O)W11CoO39]/PANIinthesolutioni
8、sbest.Keywords:Heteropolyacidsalt;Keggin;Polyaniline;Doping;P