?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENDAHULUAN+PEMBUATAN+DAN+KARAKTERISASI+NANOKATALIS+NixMoyFe1-x-yO3%C2%B1%CE%B4+SERTA+UJI+AKTIVITAS+PADA+KONVERSI+(CO2%C2%AC+%2B+H2)&rft.creator=Muhammad+Subari%2C+0817011043&rft.subject=+&rft.description=ABSTRAK%0D%0A%0D%0A%0D%0A%0D%0A%0D%0ATelah+dilakukan+pembuatan+dan+karakterisasi+nanokatalis+NixMoyFe(1-x-y)O4+(x+%3D+0%2C4+dan+y+%3D+0%2C1+%E2%80%93+0%2C3)+dengan+menggunakan+metode+sol-gel%2C+sonikasi+secara+simultan+dan+freeze-dry+dari+bahan+Fe-nitrat%2C+Ni-nitrat+dan+Ammonium+Heptamolibdat+serta+putih+telur+dalam+medium+aquades.+Proses+karakterisasi+katalis+meliputi+analisis+fase+Kristal+menggunakan+difraksi+sinar-X+(XRD)%2C+jumlah+situs+asam+menggunakan+metode+Gravimetri+dan+jenis+situs+asam+menggunakan+Spektrofotometri+Infra+Merah+(FTIR)%2C+analisis+morfologi+permukaan+menggunakan+Scanning+Electron+Microscope+(SEM)+dan+Metode+Debye-Scherrer.+Selanjutnya+dilakukan+uji+aktivitas+katalitik+terhadap+konversi+gas+CO2+%2B+H2+pada+rentang+suhu+200+%E2%80%93+400oC+dan+hasil+konversi+dianalisis+menggunakan+kromatografi+gas+yang+telah+terintegrasi+spektrometri+massa+(GC-MS).+Hasil+analisis+fasa+kristalin+menggunakan+difraksisinar-X+(XRD)+menunjukkan+bahwa+fasa+kristalin+paling+dominan+adalah+NiMoO4%2C+dan+FeMoO4.+Hasil+analisis+keasaman+menggunakan+metode+Gravimetri+menunjukan+katalis+Ni0.4Mo0.1Fe0.5O4+memiliki+nilai+keasaman+tertinggi+yaitu+0%2C895+mmol+piridin%2Fg+katalis.+Hasil+analisis+keasaman+katalis+NiyMoxFe(1-x-y)O4+menggunakan+metode+spektrofotometri+inframerah+menunjukkan+bahwa+intensitas+relatif+situs+asam+Lewis+dan+Br%D3%A7nsted-Lowry+adalah+sama.+Morfologi+permukaan+katalis+NixMoyFe(1-x-y)O4+yang+dipreparasi+belum+homogen.+Hasil+perhitungan+dengan+menggunakan+metode+Debye-Scherrer%2C+ukuran+butiran+katalis+katalis++Ni0.4Mo0.1Fe0.5O4%2C+Ni0.4Mo0.2Fe0.4O4%2C++dan+Ni0.4Mo0.3Fe0.3O4+masing-masing+adalah+53%2C64nm%2C+47%2C66+nm+dan+43%2C22+nm.+Hasil+uji+aktivitas+katalis+Ni0%2C4Mo0%2C1Fe0%2C5O4+terhadap+konversi+(CO2+%2B+H2)+pada+suhu+400+oC+menunjukkan+bahwa+katalis+Ni0%2C4Mo0%2C1Fe0%2C5O4+aktif+terhadap+pembentukan+etanol%2C+propanol%2C+dan+butanol+dengan+persentase+masing-masing+yaitu+61%2C49%25%2C+18%2C89%25%2C+dan+19%2C61%25.+%0D%0A%0D%0AKata+Kunci+%3A+Nanokatalis%2C+sol-gel%2C+freeze-dry%2C+putih+telur%2C+konversi%2C+CO2.%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AIn+this+study%2C+synthesis+of+NixMoyFe(1-x-y)O4+(x+%3D+0%2C4+dan+y+%3D+0%2C1+%E2%80%93+0%2C3)+was+conducted+using+the+combination+of+sol-gel%2C+ultrasound+agitation+and+freeze-dry+method.+The+raw+materials+used+are+Fe-nitrate%2C+Ni-nitrate+and+Ammonium+Heptamolybdate+dissolved+in+white+egg+solution.+The+catalysts+were+characterized+by+X-Ray+Diffraction+(XRD)%2C+gravimetry+and+infrared+(IR)+spectroscopy%2C+Scanning+Electron+Microscope+(SEM)+and+Debye-Scherrer+Method.+The+activity+test+for+CO2+and+H2+conversion+was+carried+out+at+temperature+range+of+200+%E2%80%93+400oC%2C+then%2C+the+results+were+analyzed+by+Gas+Chromatography-Mass+Spectrometry+(GC-MS).+XRD+analysis+revealed+that+the+nanocatalysts+consist+of+some+crystalline+phases%2C+with+the+majority+phases+are+NiMoO4+and+FeMoO4.+By+using+gravimetry+method%2C+the+acidity+of+Ni0.4Mo0.1Fe0.5O4+was+obtained+to+be+0%2C895+mmol+pyridine%2Fgr+catalyst+which+is+higher+than+those+of+the+others.+The+IR+spectroscopy+method+showed+that+the+nanocatalyst+has+both+Lewis+and+Br%D3%A7nsted+Lowry+acid+properties.+The+surface+morphology+of+nanocatalysts+is+not+homogen.+The+size+of+nanocatalysts+which+was+calculated+by+Debye-Scherrer+method+showed+that+the+size+of+Ni0.4Mo0.1Fe0.5O4%2C+Ni0.4Mo0.2Fe0.4O4%2C++and+Ni0.4Mo0.3Fe0.3O4+are+53.64+nm%2C+47.66+nm+and+43.22+nm%2C+respectively.+The+activity+test+of+Ni0%2C4Mo0%2C1Fe0%2C5O4+in+CO2+and+H2+conversion+at+400+oC+showed+that+nanocatalyst+Ni0%2C4Mo0%2C1Fe0%2C5O4+was+active+to+produce+ethanol%2C+propanol%2C+and+butanol+with+the+percentage+of+61.49%25%2C+18.89%25%2C+and+19.61%25%2C+respectively.+%0D%0A%0D%0AKeywords+%3A+Nanocatalyst%2C+sol-gel%2C+freeze-dry%2C+egg+white%2C+conversion%2C+CO2.%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2014-11-25&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F1%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F3%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F4%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F5%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F6%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F8%2FSURAT%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6420%2F7%2FRIWA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