?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PREPARASI+KATALIS+CaO%2FSiO2+DARI+CaCO3+DAN+SILIKA+SEKAM+PADI+DENGAN+METODE+SOL+GEL+UNTUK+PENGOLAHAN%0D%0AMINYAK+KELAPA+SAWIT+MENJADI+BIODIESEL&rft.creator=VEVI+ARISTIANI%2C+1117011051&rft.subject=QD+Chemistry&rft.description=Dalam+penelitian+ini+telah+dilakukan+sintesis+katalis+CaO%2FSiO2+dari+CaCO3+dan+silika+sekam+padi+dengan+metode+sol+gel%2C+dan+aplikasinya+untuk+transesterifikasi+minyak+kelapa+sawit+dengan+metanol.+Katalis+disintesis+dengan+kandungan+CaO+yang+berbeda%2C+yakni+5%2C+10%2C+15%2C+20%2C+25%25+terhadap+silika%2C+dan+sebelum+digunakan+dikalsinasi+pada+suhu+600+oC+selama+4+jam.+Hasil+transesterifikasi+menunjukkan+semua+katalis+mampu+bekerja+dengan+baik%2C+dan+katalis+dengan+unjuk+kerja+terbaik+dimiliki+oleh+katalis+dengan+kandungan+CaO+20%25%2C+dengan+persen+konversi+sebesar+98%2C24%25.+Hasil+ini+dicapai+dari+percobaan+dengan+nisbah+mol+minyak+%3A+mol+metanol+1%3A4%2C+waktu+4+jam%2C+dan+massa+katalis+5%25+dari+massa+minyak+yang+digunakan.+Hasil+karakterisasi+dengan+GC-MS+menunjukkan+bahwa+biodiesel+terdiri+dari+7+metil+ester+asam+lemak+yang+sesuai+dengan+asam+lemak+penyusun+minyak+kelapa+sawit.+Hasil+karakterisasi+katalis+menggunakan+PSA+menunjukkan+bahwa+distribusi+ukuran+partikel+katalis+terdiri+dari+dua+kelompok%2C+dimana+kelompok+pertama+memiliki+rentang+ukuran+partikel+antara+9%2C59-68%2C84+%CE%BCm%2C+sedangkan+kelompok+kedua+memiliki+rentang+ukuran+partikel+antara+68%2C84-494%2C17+%CE%BCm.+Katalis+dengan+unjuk+kerja+terbaik+dikarakterisasi+dengan+FTIR%2C+SEM-EDS%2C+dan+XRD.%0D%0AKata+kunci+%3A+katalis+CaO%2FSiO2%2C+metode+sol+gel%2C+minyak+kelapa+sawit%2C+transesterifikasi%2C+biodiesel%0D%0A%0D%0A%0D%0Aabstract+bahasa+inggris%0D%0A%0D%0APREPARATION+OF+CaO%2FSiO2+CATALYSTS+FROM+CaCO3+AND+RICE+HUSK+SILICA+USING+SOL+GEL+METHOD+FOR+TRANSESTERIFICATION+OF+PALM+OIL+INTO+BIODIESEL%0D%0A%0D%0AIn+this+research+a+series+of+CaO%2FSiO2+catalysts+was+synthesized+from+CaCO3+and+rice+husk+silica+using+sol+gel+method%2C+and+subsequently+tested+for+transestrification+of+palm+oil+with+methanol.+Catalysts+with+different+CaO+contents+of+5%2C+10%2C+15%2C+20%2C+25%25+relative+to+silica+were+prepared+and+calcined+at+600+oC+for+4+hours+before+use.+Transesetrification+results+showed+that+all+catalysts+possess+high+activity%2C+and+the+best+performance+was+exhibited+by+the+catalysts+with+CaO+content+of+20%25%2C+this+particular+catalyst+produced+the+yield+of+98%2C24%25+from+the+experiment+carried+out+with+mole+ratio+of+oli+to+methanol+of+1%3A4%2C+reaction+time+of+4+hours%2C+and+5%25+mass+of+catalysts+to+oil+used.+Characterization+of+the+transesterification+product+with+GC-MS+indicate+the+presence+of+seven+fatty+acid+methyl+esters+that+correspond+to+the+with+fatty+acids+composing+the+palm+oil.+Characterization+of+the+catalysts+with+PSA+technique+revealed+the+existence+of+two+groups%2C+in+which+the+first+group+has+particle+size+range+between+9%2C59-68%2C84+%CE%BCm%2C+and+the+second+group+has+a+particle+size+range+between+68%2C84-494%2C17+%CE%BCm.+Catalysts+with+the+best+performance+was+characterized+by+FTIR%2C+SEM-EDS%2C+and+XRD+techniques.%0D%0AKey+words+%3A+catalysts+CaO%2FSiO2%2C+sol+gel+method%2C+transesterification+palm+oil%2C+biodiesel&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2015-11-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F4%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F5%2FDAFTAR%2520%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F6%2FDAFTAR%2520%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F7%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F8%2FLEMBAR%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F9%2FLEMBAR%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F10%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F11%2FPEREMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F12%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F13%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F14%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F15%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15668%2F16%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.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