?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMBUATAN+BAHAN+BAKAR+PADAT+SETENGAH+ARANG+DARI+%0D%0ATONGKOL+JAGUNG+MELALUI+PROSES+TOREFAKSI+&rft.creator=MUHAMMMAD+NAUVAL+FARISI+ARIFIN%2C+1414071062&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Kebutuhan+energi+di+Indonesia+kian+meningkat+hingga+9%25+per+tahun.+Pemenuhan+%0D%0Aenergi+ini+didapatkan+dari+sektor+energi+tak+terbarukan+yang+berasal+dari+fosil%2C+%0D%0Aterutama+minyak+bumi.+Energi+biomassa+merupakan+salah+satu+sumber+energi+%0D%0Aalternatif+yang+perlu+mendapat+prioritas+dalam+pengembangannya.+Salah+satu+cara+%0D%0Auntuk+meningkatkan+nilai+kalor+tersebut+adalah+melalui+proses+torefaksi.+Maka+dari+%0D%0Aitu+pada+penelitian+ini+akan+dipelajari+pembuatan+bahan+bakar+alternatif+yang+terbuat+%0D%0Adari+limbah+pertanian+tongkol+jagung+yang+dijadikan+setengah+arang+untuk+membantu+%0D%0Amengurangi+penggunaan+bahan+bakar+yang+tidak+dapat+di+perbaharui.+Penelitian+ini+%0D%0Abertujuan+untuk+mengetahui+pembuatan+bahan+bakar+padat+dari+tongkol+jagung+%0D%0Adengan+proses+torefaksi%2C+dan+mengetahui+pengaruh+ukuran+serta+lama+proses+tongkol+%0D%0Ajagung+terhadap+karakteristik+tongkol+jagung+setengah+arang.+%0D%0APenelitian+ini+dilaksanakan+pada+bulan+Agustus+2018+sampai+dengan+November+2018+%0D%0Adi+Lab.DAMP%2C+dan+Lab.RSDAL+jurusan+Teknik+Pertanian%2C+Fakultas+Pertanian%2C+%0D%0AUniversitas+Lampung.+Alat+yang+digunakan+alat+penyangrai+kompor+gas%2C+%0D%0Athermokopel%2C+stopwatch%2C+dan+timbangan.+Sedangkan+bahan+yang+digunakan+adalah+%0D%0Atongkol+jagung.+Penelitian+ini+menggunakan+dua+faktor+yaitu+ukuran+potong+dengan+3+%0D%0Alevel+(1%2C+2%2C+dan+3cm)+dan+lama+waktu+proses+torefaksi+dengan+3+level+(30%2C+45%2C+dan+60+%0D%0Amenit)+setiap+perlakuan+dilakukan+dengan+tiga+kali+pengulangan.+Parameter+dalam+%0D%0Apenelitian+ini+adalah+sifat+bahan+baku%2C+kadar+air%2C+kadar+abu%2C+kadar+volatile%2C+nilai+%0D%0Aenergi%2C+Lignoselulose%2C+dan+Hidropobicity.+%0D%0AHasil+penelitian+ini+menunjukan+proses+torefaksi+tongkol+jagung+dapat+meningkatkan+%0D%0Akualitas+bahan+bakar+tongkol+jagung+dan+menjadi+hidropobik.+Perlakuan+ukuran+%0D%0Apotong+berpengaruh+pada+parameter%2C+kadar+abu%2C+dan+kadar+volatile.+Perlakuan+lama+%0D%0Awaktu+torefaksi+berpengaruh+pada+parameter+hidropobisity.+Sedangkan+perlakuan+%0D%0Aukuran+potong+dan+lama+waktu+torefaksi+tidak+berpengaruh+pada+parameter+kadar+air.%0D%0AKandungan+nilai+energi+yang+dihasilkan+tongkol+jagung+sebelum+diproses+torefaksi+%0D%0Asebesar+17.66MJ%2Fg+sedangkan+nilai+energi+yang+sudah+ditorefaksi+sebesar+21.61MJ%2Fg+%0D%0Ayang+menunjukan+bahwa+proses+ini+meningkatkan+nilai+energi+tongkol+jagung.+%0D%0AKata+Kunci%3A+Tongkol+jagung%2C+Torefaksi%2C+Nilai+energi%2C+Hidropobisity%0D%0AEnergy+needs+in+Indonesia+are+increasing+by+9%25+per+year.+The+fulfillment+of+this+%0D%0Aenergy+is+obtained+from+the+non-renewable+energy+sector+derived+from+fossils%2C+%0D%0Aespecially+petroleum.+Biomass+energy+is+one+alternative+energy+source+that+needs+to+%0D%0Abe+prioritized+in+its+development.+One+way+to+increase+the+calorific+value+is+through+a+%0D%0Atorefaction+process.+As+for+this+study%2C+we+will+study+the+manufacture+of+alternative+%0D%0Afuels+made+from+agricultural+waste+of+corn+cobs+which+are+made+in+half+charcoal+to+%0D%0Ahelp+reduce+fuel+use+that+cannot+be+renewed.+This+study+aims+to+determine+the+%0D%0Amanufacture+of+solid+fuel+from+corn+cobs+with+torefaction+process%2C+and+determine+the+%0D%0Aeffect+of+the+size+and+duration+of+the+process+of+corn+cobs+on+the+characteristics+of+%0D%0Asemi-charcoal+corn+cobs.%0D%0AThis+research+was+conducted+in+August+2018+until+November+2018+in+Lab.DAMP%2C+%0D%0Aand+Lab.+RSDAL+majoring+in+Agricultural+Engineering%2C+Faculty+of+Agriculture%2C+%0D%0AUniversity+of+Lampung.+Tools+used+for+gas+stove%2C+thermocouple%2C+stopwatch%2C+and+%0D%0Ascales.+While+the+material+used+is+corn+cobs.+This+study+uses+two+factors%2C+namely+cut+%0D%0Asize+with+3+levels+(1%2C+2%2C+and+3cm)+and+the+duration+of+the+torefaction+process+with+3+%0D%0Alevels+(30%2C+45%2C+and+60+minutes)%2C+each+treatment+with+three+repetitions.+The+parameters+%0D%0Ain+this+study+are+the+properties+of+raw+materials%2C+water+content%2C+ash+content%2C+volatile+%0D%0Acontent%2C+energy+value%2C+lignocellulose%2C+and+hydropobicity.%0D%0AThe+results+of+this+study+indicate+that+the+corn+cob+incision+process+can+improve+the+%0D%0Aquality+of+corn+cob+fuel+and+become+hydropobic.+The+cut+size+treatment+affects+the+%0D%0Aparameters%2C+ash+content%2C+and+volatile+content.+The+treatment+of+the+duration+of+%0D%0Atorefaction+has+an+effect+on+the+parameters+of+hydropobicity.+While+the+treatment+of+%0D%0Acut+size+and+duration+of+reaction+did+not+affect+the+moisture+content+parameters.+The+%0D%0Aenergy+content+produced+by+corn+cobs+before+being+processed+is+17.66MJ+%2F+g+shows+%0D%0Athat+this+process+increases+the+energy+value+of+corn+cobs.%0D%0AKeywords%3A+Corn+cobs%2C+Torefaksi%2C+Energy+value%2C+Hydropobisity%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56969%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56969%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56969%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++MUHAMMMAD+NAUVAL+FARISI+ARIFIN%2C+1414071062++(2019)+PEMBUATAN+BAHAN+BAKAR+PADAT+SETENGAH+ARANG+DARI+TONGKOL+JAGUNG+MELALUI+PROSES+TOREFAKSI.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56969%2F