OBTENÇÃO DE NANOCOMPÓSITO DE HIDROXIAPATITA/NB2O5 PARA APLICAÇÃO NA FOTODEGRADAÇÃO DE PESTICIDAS H.C. Musetti1, T.B. Fonseca1, L.F.N. Júnior1, E.W. dos Reis1, E.C. 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Introdução 2VSHVWLFLGDVVmRFRQVLGHUDGRVFRPRDVHJXQGDPDLRUIRQWHGHFRQWDPLQDomRGHiJXDSRWiYHOQRVSDtVHV HPGHVHQYROYLPHQWR5,%(,52et al., $$WUD]LQDpXPKHUELFLGDVLQWpWLFRXWLOL]DGRQDDJULFXOWXUDSDUDRFRQWUROHGHHUYDVGDQLQKDV5(=(1'( HWDOHPFXOWXUDVFRPRFDQDGHDo~FDUVRMDPLOKRDOJRGmRIHLMmRHWF5(=(1'(HWDOH6$17$1$et al., 7DQWRD$WUD]LQDFRPRVHXVSURGXWRVGHGHJUDGDomRSRUUDGLDomRXOWUDYLROHWDVmRGHHOHYDGDWR[LFLGDGH SDUDRVVHUHVYLYRV6$17$1$et al.,HVmRFODVVL¿FDGRVDPELHQWDOPHQWHFRPRPLFURSROXHQWHV5(=(1'(HWDO siagro-2014.indb 467 16/12/14 18:30 468 H.C. Musetti, T.B. Fonseca, L.F.N. Júnior, E.W. dos Reis, E.C. 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Caracterização 2VSyVGRVLVWHPD+$31EO5DVVLPFRPRRVSyVGH+$3H1EO5 IRUDPVXEPHWLGRVjVVHJXLQWHVWpFQLFDVGHFDUDFWHUL]DomR'LIUDomRGHUDLRV;'5;(VSHFWURIRWRPHWULDQDUHJLmRGRLQIUDYHUPHOKR0LFURVFRSLD (OHWU{QLFDGH9DUUHGXUDFRP)RQWHGH(PLVVmRGH&DPSR0(9)(* (QVDLRVGHIRWRFDWiOLVHKHWHURJrQHD 3DUDDDYDOLDomRGDHIHWLYLGDGHGRVPDWHULDLVVLQWHWL]DGRV+$31EO5H+$31EO5SDUDIRWRFDWiOLVH HPSUHJRXVHRVPHVPRVFRPPDVVDVYDULDQGRGHDJHPXPYROXPHGHP/GHVROXomRPJ/GR SHVWLFLGDDWUD]LQD$OGULFK $VPHGLGDVIRUDPUHDOL]DGDVVREUDGLDomRXOWUDYLROHWDYLVtYHO899LVHPXPUHDWRUIRWRFDWDOtWLFRFRQVWLWXtGRSRUXPDFkPDUDGHPDGHLUD1RLQWHULRUGRUHDWRUIRUDPDFRSODGDVVHLVOkPSDGDVTXHHPLWLUDPUDGLDomR 89&/DPSV3KLOOLSV789:LQWHQVLGDGHPi[LPDHPQP6REDFkPDUDIRUDPLQVHULGRVDJLWDGRUHV siagro-2014.indb 468 16/12/14 18:30 OBTENÇÃO DE NANOCOMPÓSITO DE HIDROXIAPATITA/NB2O5 PARA APLICAÇÃO NA… 469 PDJQpWLFRVQRVTXDLVIRUDPSRVLFLRQDGRVRVEpTXHUHVGHP/$OpPGLVVRIRLDFRSODGRXPVLVWHPDGHUHVIULDPHQWRjPHVPDD¿PHYLWDURVXSHUDTXHFLPHQWR $H¿FLrQFLDGDGHJUDGDomRIRLDFRPSDQKDGDSRUHVSHFWURIRWRPHWULD899LVXWLOL]DQGRRHVSHFWURIRW{PHWUR6KLPDG]X893& 3. Resultados e Discussão $VHJXLUHVWmRDSUHVHQWDGRVRVUHVXOWDGRVREWLGRVSHODWpFQLFDGHHVSHFWURIRWRPHWULDQDUHJLmRGRLQIUDYHUPHOKRGDVQDQRSDUWtFXODVVLQWHWL]DGDVTXHIRLHPSUHJDGD FRPRIHUUDPHQWDDGLFLRQDOjGLIUDomRGHUDLRV;H jHVSHFWURVFRSLD5DPDQSDUDFRQ¿UPDUDIRUPDomRGDVIDVHV+$3H1EO5LQGLYLGXDLVHQRVFRPSyVLWRVHD SRVVtYHOSUHVHQoDGHHVSpFLHVDGVRUYLGDVQDVXSHUItFLHGDVDPRVWUDV )LJXUD(VSHFWURVQDUHJLmRGRLQIUDYHUPHOKR)7,5GDVDPRVWUDVGH+$3FRSUHFLSLWDGDDWHPSHUDWXUD DPELHQWHDHREWLGDVYLDSUHFXUVRUHVSROLPpULFRVD&SRUK33E33FH1E233G )LJXUD(VSHFWURVQDUHJLmRGRLQIUDYHUPHOKR)7,5GDVDPRVWUDVGH+$3FRSUHFLSLWDGDDWHPSHUDWXUD DPELHQWHDHKLGURWHUPDOL]DGDVD&SRUK+E+FH1E2+G $VVLPFRPRQRPpWRGRGRVSUHFXUVRUHVSROLPpULFRV)LJXUDEFYHUL¿FDVHTXHQRVFRPSyVLWRVREWLGRV SRUKLGURWHUPDOL]DomR)LJXUDEFHVWmRSUHVHQWHVDVEDQGDVGD+$3HGR1EO5VXJHULQGRTXHDLPSUHJQDomR RFRUUHXFRPRGHVHMDGR $)LJXUDDSUHVHQWDRVUHVXOWDGRVREWLGRVQDIRWRGHJUDGDomRGDDWUD]LQDPJ/QDSUHVHQoDGHJ GH+$31EO533H+GRVFRPSyVLWRV33H+H33H+2EVHUYDVHTXHRVFRPSyVLWRVREWLGRV QmRSRWHQFLDOL]DUDPVLJQL¿FDWLYDPHQWHSURFHVVRGHIRWRGHJUDGDomRGDDWUD]LQD$SUHVHQoDGH1EO533HGH+$3 LQÀXHQFLRXPDLVLQWHQVDPHQWHHVWHSURFHVVRGRTXHTXDOTXHUQDQRFRPSyVLWRVLQWHWL]DGRSRUHVWDPHWRGRORJLD )LJXUD &XUYD GH IRWRGHJUDGDomR GD DWUD]LQD VRE UDGLDomR XOWUDYLROHWD QD SUHVHQoD GH J GH +LGUR[LDSDWLWD+$31EO533H+GRVFRPSyVLWRV33H+H33H+ siagro-2014.indb 469 16/12/14 18:30 470 H.C. Musetti, T.B. Fonseca, L.F.N. Júnior, E.W. dos Reis, E.C. Paris 7DEHOD9DORUHVGDVFRQVWDQWHVGHYHORFLGDGHSDUDDGHJUDGDomRGDDWUD]LQDQDSUHVHQoDGHJGR IRWRFDWDOLVDGRUFDOFXODGDVFRQVLGHUDQGRTXHHVWHSURFHVVRpGHSVHXGRSULPHLUDRUGHP Amostra NPLQ +$3 1EO533 33 33 1EO5+ + + Composição 1:4 = 1HAP:4NbO5; Composição 1:6 = 1HAP:6NbO5; PP = Sintetizado pelo método dos Precursores Poliméricos; H12 = Sintetizado por hidrotermalização. 4. Conclusões 2VUHVXOWDGRVREWLGRVSHUPLWLUDPFRQFOXLUTXHIRUDPREWLGDVQDQRSDUWtFXODVGH+$3SRUFRSUHFLSLWDomR HGH1EO5SHORPpWRGRGRVSUHFXUVRUHVSROLPpULFRVHKLGURWHUPDOPRQRIiVLFDVHFULVWDOLQDVVHQGRSDVVtYHLVGH DSOLFDomRHPIRWRFDWiOLVHKHWHURJrQHDSDUDDGHJUDGDomRGDDWUD]LQD)RLSRVVtYHODREWHQomRGRVFRPSyVLWRVFRP GLIHUHQWHVUHODo}HVGHPDVVDGH+$31EO5SHORPpWRGRGRVSUHFXUVRUHVSROLPpULFRVHSRUKLGURWHUPDOL]DomR VHQGRTXHHVWHVDSUHVHQWDUDPPHQRUH¿FLrQFLDQRVHQVDLRVGHIRWRFDWiOLVHTXHD+$3HR1EO5 puro sintetizado SRUHVWHVPpWRGRV)DWRHVWHTXHIRLDWULEXtGRjSRVVtYHODGVRUomRGDDWUD]LQDSHOD+$3GLPLQXLQGRDH¿FLrQFLD GRSURFHVVR Agradecimentos &13T(PEUDSD3URMHWR(PEUDSD1 Referências 5,%(,52&et al1DQRHVWUXWXUDVHPIRWRFDWiOLVHXPDUHYLVmRVREUHHVWUDWpJLDVGHVtQWHVHGHIRWRFDWDOLVDGRUHV HPHVFDODQDQRPpWULFD4XLP1RYDYQS 5(=(1'(022/$1'*5$)0'-$9$521,5&$&RPSRUWDPHQWRGRVKHUELFLGDVDWUD]LQDHDODFORUDSOLFDGRVHPVRORSUHSDUDGRSDUDRFXOWLYRGHFDQDGHDo~FDU4XLP1RYDYS 6$17$1$+%21$1&Ç$&(7$.$6+,0$.)RWRFDWiOLVHHOHWURTXtPLFDGHDWUD]LQDVREUHGLy[LGRGH WLWkQLRHIHLWRGHGLIHUHQWHVSDUkPHWURVH[SHULPHQWDLV4XLP1RYDYQS &267$$&)0et al+LGUR[LDSDWLWDREWHQomRFDUDFWHUL]DomRHDSOLFDo}HV5HYLVWD(OHWU{QLFDGH0DWHULDLV H3URFHVVRVYS .,%%</&+$//.:'HK\GURJHQDWLRQRIDOFRKROVDQGK\GURJHQWUDQVIHUIURPDOFRKROVWRNHWRQHVRYHU K\GUR[\DSDWLWHFDWDO\VWVJ. Catal.S 1(9(6-Ò1,25/)6tQWHVHGH1EO5 QDQRSDUWLFXODGRSDUDDGHJUDGDomRGHSHVWLFLGDVS0RQRJUD¿DGH &RQFOXVmRGH&XUVRGH%DFKDUHODGRHP4XtPLFD7HFQROyJLFR8QLYHUVLGDGH)HGHUDOGH6mR&DUORV8)6&DU 6mR&DUORV .$581$.$5$1&'+$1$/$.6+0,56HOHFWLYLW\LQSKRWRFDWDO\VLVE\SDUWLFXODWHVHPLFRQGXFWRUV&HQWUDO(XURSHDQ-RXUQDORI&KHPLVWU\YQS0DU siagro-2014.indb 470 16/12/14 18:30