?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EFFECT+OF+METHANOL%2C+HEXANE+RATIOS%2C+AND+CATALYST%0D%0ACONCENTRATION+IN+BIODIESEL+PRODUCTION+BY+IN+SITU%0D%0ATRANSESTERIFICATION+SPENT+BLEACHING+EARTH&rft.creator=HANDAYANI+%2C+YAZIDA+KARLINA&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Spent+Bleaching+Earth+(SBE)+is+a+solid+waste+from+the+Crude+Palm+Oil+(CPO)%0D%0Arefining+process+which+contains+17-40%25+oil+residue%2C+which+has+the+potential+to+be%0D%0Aused+as+a+renewable+fuel+to+replace+petrodiesel.+Biodiesel+production+goes%0D%0Athrough+the+transesterification+stage+influenced+by+several+factors%2C+such+as%0D%0Amethanol+ratio%2C+addition+of+co-solvent+such+as+hexane%2C+and+catalyst+concentration.%0D%0AThe+aim+of+this+research+was+to+determine+the+influence+and+optimum+conditions%0D%0Aof+the+methanol+ratio+and+hexane+ratio+on+SBE+and+catalyst+concentration+on%0D%0Abiodiesel+production+by+in+situ+transesterification.+This+research+was+carried+out%0D%0Ausing+the+Response+Surface+Method+(RSM)+with+a+Central+Composite+Design%0D%0A(CCD)+under+conditions+of+a+methanol%2FSBE+ratio+of+7.00%3B+8.00%3B+and+9.00+(v%2Fb)%2C+the%0D%0Ahexane%2FSBE+ratio+of+1.00%3B+2.00%3B+and+3.00+(v%2Fw)+and+catalyst+concentration+of+1.00%3B%0D%0A2.00%3B+and+3.00%25+(w%2Fw).+The+research+results+showed+that+the+methanol+ratio%0D%0Aaffected+water+content%2C+saponification+number%2C+iodine+number+and+cetane+index%2C+as%0D%0Awell+as+the+hexane+ratio+and+catalyst+concentration+also+affected+the+acid+number.%0D%0AOptimum+conditions+were+obtained+at+a+methanol%2FSBE+ratio+of+7.00+(v%2Fw)%2C+a%0D%0Ahexane%2FSBE+ratio+of+2.96+(v%2Fw)%2C+and+a+catalyst+concentration+of+3.00%25+(w%2Fw)%2C%0D%0Awhich+produced+biodiesel+yield+of+72%2C84%25.+The+produced+biodiesel+had+water%0D%0Acontent+of+0%2C616%25%2C+acid+number+of+2%2C351+mgKOH%2Fg%2C+saponification+number+of%0D%0A202%2C607+mgKOH%2Fg%2C+iodine+number+of+53%2C41+gI2%2F100g%2C+and+cetane+indeks+of%0D%0A61%2C546.%0D%0A%0D%0AKeywords%3A+biodiesel%2C+spent+bleaching+earth+(SBE)%2C+in+situ+transesterification%0D%0A%0D%0AABSTRAK%0D%0A%0D%0APENGARUH+NISBAH+METANOL%2C+HEKSANA%2C+DAN%0D%0AKONSENTRASI+KATALIS+DALAM+PRODUKSI+BIODIESEL+SECARA%0D%0A%0D%0ATRANSESTERIFIKASI+IN+SITU%0D%0ASPENT+BLEACHING+EARTH%0D%0A%0D%0AOleh%0D%0A%0D%0AHANDAYANI+YAZIDA+KARLINA%0D%0A%0D%0ASpent+Bleaching+Earth+(SBE)+merupakan+limbah+padat+dari+proses+pemurnian%0D%0ACrude+Palm+Oil+(CPO)+yang+mengandung+residu+minyak+sebesar+17-40%25%2C+yang%0D%0Aberpotensi+untuk+dimanfaatkan+sebagai+bahan+bakar+terbarukan+menggantikan%0D%0Apetrodiesel.+Produksi+biodiesel+melalui+tahap+transesterifikasi+dipengaruhi+oleh%0D%0Abeberapa+faktor+seperti+nisbah+metanol%2C+penambahan+co-solvent+seperti+heksana%2C%0D%0Adan+konsentrasi+katalis.+Tujuan+penelitian+ini+adalah+untuk+mengetahui+pengaruh%0D%0Adan+kondisi+optimum+dari+nisbah+metanol+dan+nisbah+heksana+terhadap+SBE+serta%0D%0Akonsentrasi+katalis+pada+produksi+biodiesel+secara+transesterifikasi+in+situ.%0D%0APenelitian+ini+dilakukan+menggunakan+Response+Surface+Method+(RSM)+dengan%0D%0Arancangan+Central+Composite+Design+(CCD)+pada+kondisi+nisbah+metanol%2FSBE%0D%0Asebesar+7%2C00%3B+8%2C00%3B+dan+9%2C00+(v%2Fb)%2C+nisbah+heksana%2FSBE+sebesar+1%2C00%3B+2%2C00%3B+dan%0D%0A3%2C00+(v%2Fb)+dan+konsentrasi+katalis+sebesar+1%2C00%3B+2%2C00%3B+dan+3%2C00%25+(b%2Fb).+Hasil%0D%0Apenelitian+menunjukkan+nisbah+metanol+berpengaruh+terhadap+kadar+air%2C+bilangan%0D%0Apenyabunan%2C+bilangan+iod%2C+dan+indeks+setana+begitupun+nisbah+heksana+dan%0D%0Akonsentrasi+katalis+juga+berpengaruh+pada+bilangan+asam.+Kondisi+optimum%0D%0Adiperoleh+pada+kondisi+nisbah+metanol%2FSBE+sebesar+7%2C00+(v%2Fb)%2C+nisbah%0D%0Aheksana%2FSBE+sebesar+2%2C96+(v%2Fb)%2C+dan+konsentrasi+katalis+sebesar+3%2C00%25+(b%2Fb)%2C+yang%0D%0Amenghasilkan+rendemen+biodiesel+sebesar+72%2C84%25.+Biodiesel+yang+dihasilkan%0D%0Amengandung+kadar+air+sebesar+0%2C616%25%2C+bilangan+asam+sebesar+2%2C351+mgKOH%2Fg%2C%0D%0Abilangan+penyabunan+sebesar+202%2C607+mgKOH%2Fg%2C+bilangan+iod+sebesar+53%2C41%0D%0AgI2%2F100g%2C+dan+indeks+setana+sebesar+61%2C546.%0D%0AKata+kunci%3A+biodiesel%2C+tanah+pemucat+bekas+(SBE)%2C+transesterifikasi+in+situ&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2024-06-11&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86922%2F1%2F1.%2520ABSTRAK%2520-%2520ABSTRACT%2520-%2520HANDAYANI%2520YAZIDA%2520KARLINA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86922%2F2%2F2.%2520SKRIPSI%2520FULL%2520-%2520HANDAYANI%2520YAZIDA%2520KARLINA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86922%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Nabila%2520Setiyana.pdf&rft.identifier=++HANDAYANI+%2C+YAZIDA+KARLINA++(2024)+EFFECT+OF+METHANOL%2C+HEXANE+RATIOS%2C+AND+CATALYST+CONCENTRATION+IN+BIODIESEL+PRODUCTION+BY+IN+SITU+TRANSESTERIFICATION+SPENT+BLEACHING+EARTH.++FAKULTAS+PERTANIAN%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