?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENENTUAN+WAKTU+DAN+SUHU+OPTIMUM+PROSES%0D%0ATRANSESTERIFIKASI+IN+SITU+PADA+PROSES+METANOLISIS+SPENT%0D%0A%0D%0ABLEACHING+EARTH+(SBE)&rft.creator=LOLA+ALMIRA+GELAZIA%2C+1714051024&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Transesterification+is+a+process+in+which+triglycerides+react+with+short+chain%0D%0Aalcohols+to+form+esters+and+glycerol+using+a+strong+base+catalyst.+Commonly+used%0D%0Aalcohol+is+methanol%2C+thus+this+process+is+called+the+methanolysis+process.+The%0D%0Amethanolysis+process+can+be+used+for+the+utilization+of+spent+bleaching+earth+(SBE)%2C%0D%0Athe+palm+oil+refining+industrial+waste%2C+to+produce+biodiesel.+This+is+also+supported%0D%0Aby+the+fact+that+the+oil+content+in+SBE+is+quite+high%2C+reaching+20%25+-+40%25%2C+abundant%0D%0Abut+inedible.+The+SBE+methanolysis+process+generally+begins+with+the+oil+extraction%0D%0Astage.+However%2C+carrying+out+both+stages+is+considered+inefficient.+One+alternative%0D%0Ato+increase+the+efficiency+of+the+SBE+methanolysis+process+is+to+carry+out+the+in+situ%0D%0Aesterification%2Ftransesterification+process.+This+study+aims+to+examine+the+effect%2C%0D%0Ainteraction+and+optimal+conditions+of+the+reaction+time+and+temperature+factors+on%0D%0Athe+SBE+methanolysis+process.+The+research+was+coducted+in+factorial%2C+and+arranged%0D%0Ain+a+Completely+Randomized+Block+Design+(CRBD)+with+three+replications.+The%0D%0Atreatment+consisted+of+2+factors%2C+namely+reaction+time+(60+minutes%2C+90+minutes%2C+120%0D%0Aminutes+and+150+minutes)+and+reaction+temperature+(60+o%0D%0AC+and+65+o%0D%0AC).+The+research%0D%0Adata+were+then+tested+for+their+homogeneity+and+additivity+using+the+Barlett+and%0D%0ATuckey+Tests.+The+data+were+processed+using+analysis+of+variance+between%0D%0Atreatments+and+further+tested+using+Orthogonal+Polynomials+to+see+the+response%0D%0Atrend+obtained+in+the+study.+The+results+showed+that+the+optimum+conditions+were%0D%0A%0D%0Aiii%0D%0Aobtained+in+the+W4S2+treatment%2C+namely+a+reaction+time+of+150+minutes+and+a%0D%0Areaction+temperature+of+65+o%0D%0A%0D%0AC+which+produced+biodiesel+from+the+SBE+methanolysis%0D%0Aprocess+with+an+average+yield+of+24.87%25%3B+acid+number+2.70+mg+KOH%2Fgram%3B%0D%0Asaponification+number+228.64+mg+KOH%2Fgram%3B+iodine+number+33.72+g+I2%2F100+g%3B%0D%0Acetane+index+63.80%3B+and+4.42%25+water+content.%0D%0A%0D%0AKeywords%3A+biodiesel%2C+in+situ+transesterification%2C+methanolysis%2C+spent+bleacing+earth%0D%0A%0D%0A%0D%0ATransesterifikasi+adalah+proses+di+mana+trigliserida+bereaksi+dengan+alkohol%0D%0Aberantai+pendek+membentuk+ester+dan+gliserol+menggunakan+katalis+basa+kuat.%0D%0AAlkohol+yang+umum+digunakan+adalah+metanol+sehingga+proses+ini+disebut+proses%0D%0Ametanolisis.+Proses+metanolisis+dapat+digunakan+untuk+pemanfaatan+spent%0D%0Ableaching+earth+(SBE)+sebagai+limbah+industri+rafinasi+minyak+sawit+sebab+proses%0D%0Ametanolisis+SBE+dapat+menghasilkan+biodiesel.+Hal+ini+didukung+dengan+fakta%0D%0Abahwa+kandungan+minyak+di+dalam+SBE+cukup+tinggi+yaitu+mencapai+20%25+-+40%25%0D%0Aserta+jumlahnya+berlimpah+tetapi+nonedible.+Proses+metanolisis+SBE+umumnya%0D%0Adiawali+dengan+tahap+ekstraksi+minyak.+Namun%2C+melakukan+kedua+tahap+tersebut%0D%0Adirasa+kurang+efisien.+Salah+satu+alternatif+untuk+meningkatkan+efisiensi+proses%0D%0Ametanolisis+SBE+adalah+melakukan+proses+esterifikasi%2Ftransesterifikasi+in+situ.%0D%0APenelitian+ini+bertujuan+untuk+melihat+pengaruh%2C+interaksi+dan+kondisi+optimal%0D%0Afaktor+waktu+dan+suhu+reaksi+pada+proses+metanolisis+SBE.+Penelitian+dilakukan%0D%0Asecara+faktorial+dengan+tiga+ulangan+dan+disusun+dalam+Rancangan+Acak+Kelompok%0D%0ALengkap+(RAKL).+Perlakuan+terdiri+dari+2+faktor+yaitu+waktu+reaksi+(60+menit%2C+90%0D%0Amenit%2C+120+menit+dan+150+menit)+dan+suhu+reaksi+(60+o%0D%0AC+dan+65+o%0D%0AC).+Data+penelitian%0D%0Akemudian+diuji+keseragaman+ragam+dan+kemenambahan+data+menggunakan+Uji%0D%0ABarlett+dan+Uji+Tuckey.+Data+dianalisis+dengan+sidik+ragam+dan+selanjutnya+diuji%0D%0Alanjut+menggunakan+Polinomial+Ortogonal+untuk+melihat+tren+respon+yang%0D%0A%0D%0Av%0D%0Adiperoleh+dalam+penelitian.+Hasil+penelitian+menunjukan+bahwa+perlakuan+terbaik%0D%0Adiperoleh+pada+perlakuan+W4S2+yaitu+waktu+reaksi+150+menit+dan+suhu+reaksi+65%0D%0Ao%0D%0AC+yang+menghasilkan+biodiesel+dari+proses+metanolisis+SBE+dengan+rata-rata%0D%0Arendemen+24%2C87%25%3B+bilangan+asam+2%2C70+mg+KOH%2Fgram%3B+bilangan+penyabunan%0D%0A228%2C64+mg+KOH%2Fgram+%3B+bilangan+iod+33%2C72+g+I2%2F100+g%3B+indeks+setana+63%2C80+%3B+dan%0D%0Akadar+air+4%2C42%25.%0D%0A%0D%0AKata+kunci%3A+biodiesel%2C+metanolisis%2C+spent+bleaching+earth%2C+transesterifikasi+in+situ&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2021-11-25&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68175%2F1%2FABSTRAK%2520-%2520Lola%2520A%2520Gelazia.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.a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