?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PIROLISIS+MINYAK+BIJI+JARAK+KALIKI+MENGGUNAKAN%0D%0APREKURSOR+ZEOLIT+BERBASIS+SILIKA+SEKAM+PADI%0D%0ASEBAGAI+KATALIS&rft.creator=YUDHA+ARI+SATRIA%2C++1317011079&rft.subject=QD+Chemistry&rft.description=Pirolisis+minyak+jarak+kaliki+menggunakan+prekursor+zeolit+sebagai+katalis+telah%0D%0Adipelajari+dalam+penelitian+ini.+Prekursor+zeolit+dibuat+dari+sol+silika+dan+logam%0D%0Aaluminium+menggunakan+metode+elektrokimia+dengan+variasi+potensial%3A+8%2C+10%2C%0D%0Adan+12+volt%2C+serta+variasi+waktu%3A+1%2C+2%2C+dan+3+jam%2C+lalu+dikalsinasi+pada+suhu+600%C2%BAC.%0D%0AHasil+menunjukkan+bahwa+semakin+tinggi+nisbah+Si%2FAl+rendemen+liquid+fuel+yang%0D%0Adiperoleh+semakin+besar.+Liquid+fuel+dianalisis+menggunakan+GC-MS%2C+kandungan%0D%0Ahidrokarbon+tertinggi+diperoleh+menggunakan+katalis+Pre-Zeo8%3A1+yang+dikalsinasi%0D%0Apada+suhu+800%C2%BAC+dengan+kandungan+hidrokarbon+sebesar+85%2C97%25.+Karakterisasi%0D%0AXRD+menunjukkan+bahwa+Pre-Zeo8%3A1+dengan+suhu+kalsinasi+600%C2%BAC+didominasi%0D%0Aoleh+fasa+amorf%2C+namun+pada+suhu+kalsinasi+800+dan+900%C2%BAC+terdapat+fasa+kristalin%0D%0Aberupa+albite+dan+cristobalite+yang+menunjukkan+bahwa+sampel+belum+menjadi%0D%0Azeolit+sehingga+dianggap+sebagai+prekursor+zeolit.+Karakterisasi+SEM%0D%0Amenunjukkan+bahwa+Pre-Zeo8%3A1+memiliki+morfologi+permukaan+yang+heterogen%2C%0D%0Apada+suhu+kalsinasi+600%C2%BAC+belum+tampak+adanya+pori-pori+pada+permukaan%0D%0Akatalis.+Spektrum+FTIR+menunjukkan+bahwa+Pre-Zeo8%3A1+mengandung+situs+asam%0D%0ABr%C3%B8nsted-Lowry.+Karakterisasi+fisik+menunjukkan+bahwa+viskositas+liquid+fuel%0D%0Ahasil+pirolisis+minyak+jarak+kaliki+telah+memenuhi+syarat+berdasarkan+SNI+7431-%0D%0A2008.%0D%0AKata+kunci%3A+pirolisis%2C+minyak+jarak+kaliki%2C+prekursor+zeolit%2C+metode+elektrokimia%0D%0A%0D%0Aabstract%0D%0A%0D%0APyrolysis+of+castor+oil+using+zeolite+precursor+as+catalyst+was+studied.+Zeolite%0D%0Aprecursor+was+prepared+from+rice+husk+silica+sol+and+aluminium+metal+by%0D%0Aelectrochemical+method+using+different+potentials+of+8%2C+10%2C+and+12+volt%2C+and%0D%0Areaction+times+of+1%2C+2%2C+and+3+hours%2C+to+produce+the+samples+with+different+Si%2FAl%0D%0Aratios.+The+samples+were+then+calcined+at+600%C2%BAC%2Cand+tested+as+catalyst.+The%0D%0Aresults+show+that+the+higher+the+Si%2FAl+ratio+of+the+catalyst%2C+the+higher+the+yield+of%0D%0Athe+reaction.+Liquid+fuel+was+analyzed+by+GC-MS%2C+and+revealed+that+the+liquid%0D%0Afuel+with+the+highest+hydrocarbon+content+was+obtained+using+Pre-Zeo8%3A1+calcined%0D%0Aat+800%C2%BAC+with+hydrocarbon+content+of+85.97%25.+The+results+of+XRD%0D%0Acharacterization+show+that+Pre-Zeo8%3A1+with+calcination+temperature+of+600%C2%BAC+was%0D%0Adominated+by+amorphous+phase%2C+but+at+higher+temperatures+of+800+and+900%C2%BAC%2C+the%0D%0Acrystalline+phases+of+albite+and+cristobalite+were+detected.+However%2C+complete%0D%0Aformation+of+zeolite+was+not+displayed+by+the+results.+SEM+characterization+shows%0D%0Athat+Pre-Zeo8%3A1+has+heterogeneous+surface+morphology%2C+and+the+existence+of+the%0D%0Asample+as+porous+material+with+the+porosity+influenced+by+the+calcination%0D%0Atemperatures.+FTIR+spectrum+shows+that+Pre-Zeo8%3A1+contains+Br%C3%B8nsted-Lowry+acid%0D%0Asite.+The+physical+characterization+indicates+that+the+viscosity+of+liquid+fuel%0D%0Aobtained+fulfilled+the+requirement+for+viscosity+based+on+SNI+7431-2008.%0D%0AKeywords%3A+pyrolysis%2C+castor+oil%2C+zeolite+precursor%2C+electrochemical+method&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2017-12-04&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29377%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29377%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F29377%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++YUDHA+ARI+SATRIA%2C+1317011079++(2017)+STUDI+PIROLISIS+MINYAK+BIJI+JARAK+KALIKI+MENGGUNAKAN+PREKURSOR+ZEOLIT+BERBASIS+SILIKA+SEKAM+PADI+SEBAGAI+KATALIS.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F29377%2F