?url_ver=Z39.88-2004&rft_id=1214051061&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+WAKTU+REAKSI+DAN+PENAMBAHAN+HEKSAN+DALAM+PROSES+TRANSESTERIFIKASI+IN+SITU+TERHADAP+PRODUKSI+BIOSOLAR+DARI+SPENT+BLEACHING+EARTH+(SBE)&rft.creator=RIANANDA+ADELINA%2C+1214051061&rft.subject=Pertanian+(+Umum+)&rft.description=%0D%0AProses+pembuatan+biosolar+saat+ini+dilakukan+melalui+tahapan+ekstraksi+minyak%2C+pemurnian+minyak+dan+dilanjutkan+dengan+esterifikasi-transesterifikasi+minyak+menjadi+biosolar.++Tahapan-tahapan+panjang+yang+harus+dilalui+menyebabkan+rendahnya+efisiensi+dan+tingginya+konsumsi+energi%2C+yang+mengakibatkan+tingginya+biaya+produksi+biosolar%2C+sehingga+perlu+dikembangkan+proses+pembuatan+biosolar+yang+lebih+efektif%2C+efisien+dan+hemat+energi+serta+dapat+menghasilkan+biosolar+berkualitas+tinggi+melalui+proses+esterifikasi-transesterifikasi+in+situ+.++Prosesesterifikasitransesterifikasiin+situ+merupakan+langkah+yang+lebih+sederhana+dalam+memproduksi+biosolar+dengan+mengeliminasi+proses+ekstraksi+dan+pemurnian+sehingga+dapat+menurunkan+biaya+produksi.++Beberapa+faktor+yang+perlu+diperhatikan+dalam+proses+pembuatan+biosolar+secara+transesterifikasi+in+situ+adalah+waktu+reaksi+dan+penambahan+heksan+yang+dapat+mempengaruhi+jumlah+rendemen+biosolar+dan+karakteristik+biosolar+yang+dihasilkan.++Penelitian+ini+bertujuan+untuk+mengetahui+waktu+reaksi+dan+penambahan+heksan+optimal%2C+serta+interaksi+antara+kedua+perlakuan+tersebut+terhadap+rendemen+biosolar+serta+bilangan+asam%2C+bilangan+penyabunan%2C+bilangan+iod%2C+dan+bilangan+setana%2C+danmembandingkannyadengan+SNI-04-7182-2006.++Metode+penelitian+yang+digunakan+adalah+Rancangan+Acak+Kelompok+Lengkap+secara+faktorial+dengan+tiga+ulangan.++Perlakuan+terdiri+dari+dua+faktor.++Faktor+pertama+adalah+waktu+reaksi+(esterifikasi%3Atransesterifikasiin+situ)+3%3A2%2C+2%3A3%2C+1%3A4+dan+faktor+kedua+adalah+penambahan+heksan+(0%2C+50+ml%2C+dan+100+ml).++Data+diuji+dengan+uji+Barlett+untukmelihatkeragamannyadan+diuji+dengan+uji+Tuckeyuntukmengetahuikemenambahannya.++Data+selanjutnyadianalisisdenganujisidik+ragam+untuk+mendapatkan+penduga+ragam+galat+dan+uji+signifikansi+untuk+mengetahui+pengaruh+antar+perlakuan.++Selanjutnya+data+diuji+lanjut+menggunakan+Polinomial+Ortogonal+dan+Ortogonal+kontrast.++Hasil+penelitian+menunjukan+bahwa+perlakuan+terbaik+adalah+P2W1+yaitu+perlakuan+penambahan+heksan+50+ml+dengan+perlakuan+waktu+reaksi+3%3A2%2C+yang+menghasilkan+jumlah+rendemen+biosolar+dari+spent+bleaching+earth+(SBE)+sebesar+18%2C+96%25+dengan+karakteristik+biosolar+meliputi+bilangan+asam+1%2C12+mg+KOH%2Fgram%2C+bilangan+penyabunan+87%2C89+mg+KOH%2Fgram%2C+bilangan+iod+74%2C10+gI2%2F100g%2C+dan+indeks+setana+104%2C43.+%0D%0AKata+kunci+%3A++biosolar%2C+spent+bleaching+earth%2C+transesterifikasi+in+situ%0D%0A%0D%0AThe+current+biodiesel+manufacturing+process+is+carried+out+through+the+stages+of+oil+extraction%2C+oil+purification%2C+and+followed+by+oil+transesterification+into+biodiesel.++The+long+stages+of+the+process+lead+to+low+efficiency+and+high+energy+consumption%2C+resulting+in+high+cost+of+biodiesel+production.++Therefore%2C+it+is+necessary+to+develop+the+process+of+biodiesel+production+that+is+more+energy+efficient+and+can+produce+high+quality+biodiesel+through+in+situ+esterification-transesterification.++The+in+situ+transesterification-esterification+process+is+a+simpler+step+in+producing+biodiesel+by+eliminating+the+extraction+and+purification+process.++Some+factors+which+influence+the+biodiesel+production+process+through+in+situ+transesterification+are+reaction+time+and+the+addition+of+hexane+which+can+affect+biodiesel+yield+and+characteristics.++This+study+aimed+to+determine+the+optimal+reaction+time+and+hexane+addition%2C+as+well+as+the+interaction+between+the+two+treatments+on+the+biodiesel+yield+and+acid+number%2C+saponification+number%2C+iodine+number%2C+and+cetane+number%2C+and+compare+it+with+SNI-04-7182-2006.++The+research+method+used+was+Factorial+Randomized+Block+Design+in+three+replications.+The+treatment+consisted+of+two+factors.+The+first+factor+was+the+reaction+time+(esterification%3Atransesterification)+3%3A2%2C+2%3A3%2C+1%3A4+and+the+second+factor+was+the+addition+of+hexane+(0%2C+50+ml%2C+and+100+ml).+Data+were+tested+by+Bartlett+test+to+see+its+homogeneity+and+tested+by+Tuckey+test+to+determine+its+additivity+.+The+data+were+then+analyzed+by+Analysis+of+Variance+to+find+the+error+estimator+and+to+know+the+effect+of+the+treatment.++The+data+were+further+tested+using+Orthogonal+Polynomial+and+Orthogonal+Contrast.+The+result+of+the+research+showed+that+the+best+treatment+was+P2W1+which+was+50+ml+hexane+addition+treatment+with+3%3A+2+reaction+time+treatment%2C+which+resulted+in+the+amount+of+biodiesel++yield+of+18%2C+96%25%2C+which+had+acid+number+of+1.12+mg+KOH+%2F+gram%2C+saponification+number+87%2C89+mg+KOH+%2F+gram%2C+iodine+number+of+74%2C10+gI2+%2F+100g%2C+and+cetane+index+104%2C43.%0D%0A%0D%0AKeywords+%3A+biodiesel%2C+spent+bleaching+earth+%2C+transesterification+in+situ%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2018-04-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31717%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31717%2F19%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31717%2F20%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RIANANDA+ADELINA%2C+1214051061++(2018)+PENGARUH+WAKTU+REAKSI+DAN+PENAMBAHAN+HEKSAN+DALAM+PROSES+TRANSESTERIFIKASI+IN+SITU+TERHADAP+PRODUKSI+BIOSOLAR+DARI+SPENT+BLEACHING+EARTH+(SBE).++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F31717%2F