?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EFEK+KONSENTRASI+KATALIS%2C+SUHU+DAN+WAKTU+REAKSI%0D%0ATERHADAP+REAKSI+TRANSESTERIFIKASI+IN+SITU+DALAM%0D%0APRODUKSI+BIOSOLAR+DARI+SPENT+BLEACHING+EARTH+(SBE)&rft.creator=RIDWAN+CHOLIK%2C++1314051039&rft.subject=Pertanian+(+Umum+)&rft.description=Spent+bleaching+earth+(SBE)+merupakan+limbah+padat+yang+dihasilkan+dari+proses%0D%0Ableaching+dalam+tahapan+proses+pemurnian+Crude+Palm+Oil+(CPO).+SBE%0D%0Amengandung+minyak+cukup+tinggi+sebesar+20-30%25+di+dalam+bahan.+Salah+satu%0D%0Acara+untuk+memanfaatkan+SBE+yaitu+diolah+untuk+menghasilkan+biosolar.+Proses%0D%0Aproduksi+biosolar+biasanya+dilakukan+menggunakan+dua+tahap+yaitu+ekstraksi%0D%0Aminyak+dalam+bahan+dan+proses+konversi+minyak+menjadi+biosolar.+Kedua+tahap%0D%0Aini+dirasa+kurang+efisien+dalam+menghasilkan+biosolar.+Salah+satu+alternatif%0D%0Aproduksi+biosolar+adalah+proses+esterifikasi%2Ftrasesterifikasi+in+situ+dimana+proses%0D%0Aekstraksi+dan+konversi+dilakukan+secara+bersamaan.+Penelitian+ini+bertujuan+untuk%0D%0Amendapatkan+kondisi+reaksi+esterifikasi%2Ftransesterifikasi+in+situ+yang+optimal%0D%0Auntuk+menghasilkan+biosolar+dari+SBE.+Penelitian+ini+menggunakan+Central%0D%0AComposite+Design%2C+metode+respon+permukaan+(Response+Surface+Methodology)%0D%0A23+faktorial.+Faktor+yang+digunakan+dalam+penelitian+ini+yaitu+suhu+reaksi%0D%0A51%2C6oC%2C+55oC%2C+60oC%2C+65oC+dan+68%2C4oC%3B+waktu+reaksi+transesterifikasi+in+situ+0%2C32%3B%0D%0A1%3B+2%3B+3+dan+3%2C68+jam%3B+dan+konsentrasi+katalis+NaOH+pada+reaksi+transesterifikasi%0D%0A1%2C66%25%2C+2%25%2C+2%2C5%25%2C+3%25%2C+3%2C34%25+(b%2Fb).+Variabel+pengamatan+(dependen)+adalah%0D%0Arendemen+biosolar%2C+bilangan+asam%2C+bilangan+iod%2C+bilangan+penyabunan%2C+dan+indeks%0D%0Asetana.+Hasil+penelitian+menunjukan+bahwa+nilai+R2+88%2C13%25%2C+lack+of+fit+0%2C278%2C%0D%0Adan+nilai+optimum+yang+dihasilkan+terjadi+pada+suhu+pemanasan+sebesar+64%2C33C%2C%0D%0Akonsentrasi+katalis+NaOH+sebesar+2%2C39%25%2C+dan+waktu+pemanasan+2%2C32+jam%2C+dengan%0D%0Anilai+pada+hasil+optimum+untuk+setiap+parameter+pengamatan+berturut-turut+adalah%0D%0Arendemen+21%2C35%25%2C+bilangan+asam+2%2C28+mgKOH%2Fg%2C+bilangan+iod+30%2C52+gI2%2F100g%2C%0D%0Abilangan+penyabunan+140%2C69+mgKOH%2Fg%2C+dan+indeks+setana+78%2C07.%0D%0AKata+kunci%3A+biosolar%2C+spent+bleaching+earth%2C+transesterifikasi+in+situ%0D%0A%0D%0AABSTRACT%0D%0A%0D%0ASpent+bleaching+earth+(SBE)+is+solid+waste+generated+from+the+bleaching+process%0D%0Aof+purifying+Crude+Palm+Oil+(CPO).+SBE+contains+oil+about+20-30%25.+One+way+to%0D%0Autilize+SBE+is+to+be+processed+to+produce+biodiesel.+Biodiesel+production+process%0D%0Ais+usually+carried+out+using+two+stages%2C+that+are+the+extraction+of+oil+and+the%0D%0Aprocess+of+converting+oil+to+biodiesel.+These+two+process+are+considered+to+be+less%0D%0Aefficient+in+producing+biodiesel.+One+alternative+to+produce+biodiesel+is+in+situ%0D%0Aesterification%2Ftransesterification%2C+in+which+the+extraction+and+conversion+processes%0D%0Aare+carried+out+simultaneously.+This+study+aimed+to+get+the+in+situ%0D%0Aesterification%2Ftransesterification+reaction+conditions+that+were+optimal+for%0D%0Aproducing+biodiesel+from+SBE.+This+study+used+Central+Composite+Design%2C+a%0D%0AResponse+Surface+Methodology%2C+23+factorial.+Independent+variables+in+this+study%0D%0Awere+reaction+temperatures+of+51.6oC%2C+55oC%2C+60oC%2C+65oC+and+68.4oC%3B+in+situ%0D%0Atransesterification+reaction+time+0%2C32%3B+1%3B+2%3B+3+and+3%2C68+hours%3B+and+NaOH+catalyst%0D%0Aconcentration+in+the+transesterification+reaction+1.66%25%2C+2%25%2C+2.5%25%2C+3%25%2C+3.34%25%0D%0A(b%2Fb).+Dependent+variables+were+biodiesel+yield%2C+acid+number%2C+iodine+number%2C%0D%0Asaponification+number%2C+and+cetane+index.+The+results+showed+that+the+R2+value%0D%0Awas+88.13%25%2C+lack+of+fit+was+0.278%2C+and+the+optimum+value+were+at+a+heating%0D%0Atemperature+of+64.33%C2%B0C%2C+NaOH+catalyst+concentration+of+2.39%25%2C+and+a+heating%0D%0Atime+of+2.32+hours%2C+with+values+at+the+optimum+results+for+each+observation%0D%0Aparameter+were+the+yield%2C+was+21.35%25+%2C+acid+number+was+2.28+mgKOH%2Fg%2C+iodine%0D%0Anumber+was+30.52gI2%2F100g%2C+saponification+number+was+140.69+mgKOH%2Fg%2C+and%0D%0Acetane+index+was+78.07.%0D%0AKeywords%3A+biodiesel%2C+in+situ+transesterification%2C+spent+bleaching+earth.&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2018-08-29&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F37271%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F37271%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F37271%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RIDWAN+CHOLIK%2C+1314051039++(2018)+EFEK+KONSENTRASI+KATALIS%2C+SUHU+DAN+WAKTU+REAKSI+TERHADAP+REAKSI+TRANSESTERIFIKASI+IN+SITU+DALAM+PRODUKSI+BIOSOLAR+DARI+SPENT+BLEACHING+EARTH+(SBE).++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F37271%2F