?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PRODUKSI+ETER+DARI+GLISEROL+DAN+ETANOL+DENGAN+KATALIS+AMBERLYST+40%0D%0A(PRODUCTION+OF+ETHER+FROM+GLYCEROL+AND+ETHANOL+WITH+AMBERLYST+40)&rft.creator=Onky+Indra+Bangsawan%2C+1014051042&rft.subject=Pertanian+(+Umum+)&rft.description=Gliserol+merupakan+hasil+samping+dari+produksi+biosolar%2C+yang+didapatkan+dari+reaksi+esterifikasi+trigliserida+dengan+alkohol+rantai+pendek.++Gliserol+dapat+digunakan+sebagai+zat+aditif+biosolar%2C+namun+tidak+dapat+ditambahkan+secara+langsung+dan+harus+dimodifikasi+agar+memiliki+pencampuran+yang+baik+dengan+biosolar.++Penelitian+ini+bertujuan+untuk+mengetahui+pengaruh+konsentrasi+Amberlyst+40+wet%2C+nisbah+mol+gliserol+terhadap+etanol%2C+dan+suhu+reaksi+terhadap+konversi+gliserol%2C+selektivitas%2C+dan+rendemen+eter+yang+dihasilkan.++Penelitian+ini+disusun+dalam+rancangan+percobaan+Response+Surface+Method+(RSM)+untuk+menentukan+perlakuan%2C+yaitu+konsentrasi+katalis+(2%25%2C+4%25%2C+dan+6%25+dari+jumlah+gliserol+yang+direaksikan)%2C+rasio+mol+gliserol+terhadap+etanol+(1%3A4%2C+1%3A6%2C+dan+1%3A8)+%2C+dan+suhu+reaksi+(70oC%2C+90oC%2C+dan+110oC)+yang+menghasilkan+konversi+gliserol%2C+selektivitas%2C+dan+rendemen+eter+terbanyak.++Penelitian+ini+dilakukan+dengan+mereaksikan+gliserol+dan+etanol+dengan+bantuan+katalis+Amberlyst+40.++Data+hasil+percobaan+dianalisis+dengan+model+polynomial+orde+satu+untuk+melihat+pengaruh+antar+perlakuan+dan+disajikan+dalam+bentuk+grafik+dengan+menggunakan+program+Minitab+17.++Hasil+penelitian+menunjukkan+bahwa+konsentrasi+katalis%2C+nisbah+mol+gliserol+terhadap+etanol%2C+dan+suhu+reaksi+yang+digunakan+pada+penelitian+ini+tidak+berpengaruh+secara+linear+maupun+kuadratik+(square)+terhadap+konversi+gliserol+dan+selektivitas.++Nisbah+mol+gliserol+terhadap+etanol+tidak+berpengaruh+linear+tetapi+berpengaruh+kuadratik+(square)+terhadap+rendemen+eter%2C+sedangkan+konsentrasi+katalis+dan+suhu+reaksi+tidak+berpengaruh.++Kondisi+optimasl+reaksi+eterifikasi+yang+menghasilkan+rendemen+eter+tertiinggi+sebesar+31%2C45%25+yaitu+reaksi+pada+konsentrasi+katalis+0%2C64%25%2C+nisbah+mol+gliserol+terhapap+etanol+9%2C36%2C+dan+suhu+reaksi+56%2C36oC.%0D%0A%0D%0AKata+kunci%3A++Biosolar%2C+etanol%2C+eter%2C+eterifikasi%2C+gliserol.%0D%0A%0D%0A%0D%0AGlycerol+is+a+by-product+of+biodiesel+production%2C+which+is+derived+from+the+esterification+reaction+of+triglycerides+with+short+chain+alcohols.++Glycerol+may+be+used+as+a+biodiesel+additive%2C+but+it+can+not+be+added+directly+and+must+be+modified+in+order+to+have+a+good+mixing+with+the+biodiesel.++This+research+aimed+to+determine+the+effect+of+Amberlyst+40+concentration%2C+mol+ratio+of+glycerol+to+ethanol%2C+and+reaction+temperature+on+the+glycerol+conversion%2C+selectivity%2C+and+yield+of+ether+produced.++The+research+was+arranged+in+a+Response+Surface+Method+(RSM)+experimental+design+to+determine+the+treatments%2C+that+are+catalyst+concentrations+(2%25%2C+4%25%2C+and+6%25+of+glycerol)%2C+mole+ratio+of+glycerol+to+ethanol+(1%3A4%2C+1%3A6%2C+and+1%3A8)%2C+and+the+reaction+temperatures+(70oC%2C+90oC%2C+and+110oC)%2C+which+produced+the+most+glycerol+conversion%2C+selectivity+and+yield+of+ether.++This+study+was+conducted+by+reacting+glycerol+and+ethanol+aided+by+Amberlyst+40+catalyst.++The+experimental+data+were+analyzed+by+first+order+polynomial+model+using+Minitab+17+program+to+know+the+effect+between+treatments+and+presented+in+graphical+form.++The+research+result+showed+that+catalyst+concentration%2C+mole+ratio+of+glycerol+to+ethanol%2C+and+reaction+temperature+did+not+affect+to+glycerol+conversion+and+selectivity.++However%2C+mole+ratio+of+glycerol+to+ethanol+affected+yield+of+ether+produced+quadratically.++The+yield+of+ether+was+not+affected+by+catalyst+concentration+and+reaction+temperature.++The+optimum+condition+of+etherification+reaction+producing+the+highest+etherification+yield+of+31.45%25+was+the+reaction+at+the+catalyst+concentration+of+0.64%25%2C+the+glycerol+to+ethanol+mole+ratio+of+9.36%2C+and+the+reaction+temperature+of+56.36oC.%0D%0A%0D%0AKey+words%3A++biodiesel%2C+ethanol%2C+ether%2C+etherification%2C+glycerol.+%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2017-09-20&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28828%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28828%2F3%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28828%2F2%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Onky+Indra+Bangsawan%2C+1014051042++(2017)+PRODUKSI+ETER+DARI+GLISEROL+DAN+ETANOL+DENGAN+KATALIS+AMBERLYST+40+(PRODUCTION+OF+ETHER+FROM+GLYCEROL+AND+ETHANOL+WITH+AMBERLYST+40).++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F28828%2F