?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=%0D%0A%0D%0AETERIFIKASI+GLISEROL+DAN+ETHANOL+DENGAN+KATALIS+DOWEX+G-26+(H)+UNTUK+MENGHASILKAN+MONO-%2C+DI-%2C+DAN+TRI-ETIL+GLISEROL+ETER+%0D%0A&rft.creator=RISKA+AMELIA+SEPTIANI+%2C+1214051063&rft.subject=Pertanian+(+Umum+)&rft.description=%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AGlycerol%2C+as+a+by+product+of+biodiesel+process%2C+can+be+synthesized+into+glycerol+ethyl+ether.++Glycerol+ethyl+ether+serves+as+an+additive+added+to+the+diesel+or+biodiesel%2C+and+can+improve+the+quality+of+the+fuel.++The+purposes+of+this+research+were+to+determine+the+appropriate+etherification+reaction+condition+to+produce+the+highest+glycerol+conversion%2C+selectivity%2C+and+yield+of+ethers.++Type+of+ethers+resulting+from+the+reaction+were+glycerol+monoethyl+ether+(MEGE)%2C+glycerol+diethyl+ether+(DEGE)%2C+and+glycerol+triethyl+ether+(TEGE).+The+research+usedRSM+(Response+Surface+Method)+experimental+design+with+the+independent+variable+including+catalyst+concentration%2C+mole+ratio+of+ethanol+to+glycerol%2C+and+reaction+temperature+which+affected+the+response+variable+in+form+of+glycerol+conversion%2C+selectivity%2C+and+yield+of+ether.++The+result+showed+that+the+etherification+reaction+this+study+only+produces+MEGE%2C+whereas+DEGE+and+TEGE+were+not+formed+yet.++The+highest+glycerol+convertion+value+reached+92%2C26%25%2Cresulted+from+etherification+reaction+at+the+catalyst+concentration+of+0%2C64%25+and+at+reactiontemperature+of+123%2C6oC.++The+highest+yield+of+MEGE+resulted+from+etherification+reaction+was+64%2C96%25+carried+out+at+reaction+temperature+of+56%2C36oC.+The+catalyst+concentration+and+mole+ratio+of+ethanol+to+glycerol+had+no+effect+on+the+yield+of+MEGE.++For+the+further+research+is+recomended+to+increase+the+reaction+timeand+add+the+water+adsorben+agen+(zeolit)+on+the+condition+the+mole+ratio+of+ethanol+to+glycerol+6+at+temperature+reaction+56%2C36+oC+with+7%2C4%25+catalyst+consentration+to+produce+optimal+DEGE+and+TEGE.%0D%0A%0D%0AKey+words%3A+additive%2C+Dowex+G-26+(H)%2C+ethanol%2C+etherification%2C+glycerol.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRAK%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AGliserol+sebagai+produk+samping+proses+produksi+biosolar%2C+dapat+disintesis+menjadi+gliserol+etil+eter.++Gliserol+etil+eter+berfungsi+sebagai+zat+additif+yang+ditambahkan+dalam+solar+atau+biosolar%2C+dan+dapat+meningkatkan+mutu+bahan+bakar+tersebut.+Tujuan+penelitian+ini+yaitu+menentukan+kondisi+reaksi+yang+tepat+untuk+menghasilkan+konversi+gliserol%2C+selektivitas%2C+dan+rendemen+tertinggi.++Jenis+eter+yang+menjadi+hasil+reaksi+adalah+monoetil+gliserol+eter+(MEGE)%2C+dietil+gliserol+eter+(DEGE)%2C+dan+trietil+gliserol+eter+(TEGE).++Penelitian+ini+menggunakan+rancangan+RSM+(Response+Surface+Methode)+dengan+variabel+bebas+meliputi+konsentrasi+katalis%2C+nisbah+mol+etanol+terhadap+gliserol%2C+dan+suhu+reaksi%2C+yang+mempengaruhi+variabel+respon+yaitu+konversi+gliserol%2C+selektifitas%2C+dan+rendemen+eter.++Hasil+penelitian+menunjukan+bahwa+reaksi+eterifikasi+pada+penelitian+ini+hanya+menghasilkan+MEGE%2C+sedangkan+DEGE+dan+TEGE+belum+terbentuk.++Hasil+tertinggi+nilai+konversi+gliserol+mencapai+92%2C26%25+pada+perlakuan+konsentrasi+katalis+0%2C64%25+dan+suhu+reaksi+123%2C6oC.++Hasil+rendemen+MEGE+tertinggi+mencapai+64%2C96%25+yang+dihasilkan+pada+suhu+reaksi+56%2C36oC.++Sedangkan+konsentrasi+katalis+dan+nisbah+mol+etanol+terhadap+gliserol+tidak+memberikan+pengaruh+pada+nilai+rendemen+MEGE.++Pada+penelitian+selanjutnya+disarankan+untuk+menambah+waktureaksi+eterifikasi+dan+menambahkan+agen+penyerap+air+(zeolit)+pada+kondisi+reaksi+yaitu+nisbah+mol+etanol+terhadap+gliserol+6%2C+suhu+reaksi+56%2C36+oC%2C+dengan+konsentrasi+katalis+7%2C4%25+untuk+menghasilkan+DEGE+dan+TEGE+yang+optimal.%0D%0A%0D%0AKata+kunci%3A+Dowex+G-26+(H)%2C+etanol%2C+eterifikasi%2C+gliserol%2C+zat+aditif.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2017-06-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27849%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27849%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27849%2F3%2FSKRIPSI%2520%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RISKA+AMELIA+SEPTIANI+%2C+1214051063++(2017)++ETERIFIKASI+GLISEROL+DAN+ETHANOL+DENGAN+KATALIS+DOWEX+G-26+(H)+UNTUK+MENGHASILKAN+MONO-%2C+DI-%2C+DAN+TRI-ETIL+GLISEROL+ETER.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F27849%2F