?url_ver=Z39.88-2004&rft_id=2114151069&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+SUHU+DAN+DURASI+TOREFAKSI+TERHADAP+SIFAT+ENERGI+PELET+KAYU+KARET+(Hevea+brasiliensis)+DAN+PELET+BAMBU+BETUNG+(Dendrocalamus+asper)+SEBAGAI%0D%0AALTERNATIF+BIOENERGI&rft.creator=Fania+%2C+Naviza+&rft.subject=000+Ilmu+komputer%2C+informasi+dan+pekerjaan+umum&rft.subject=001+Ilmu+pengetahuan&rft.description=Pada+penelitian+ini%2C+pelet+kayu+karet+dan+pelet+bambu+betung+ditorefaksi+menggunakan+variasi+suhu+200oC%2C+250oC%2C+dan+300oC+dengan+durasi+20%2C+30%2C+dan+40+menit.+Pelet+biomassa+hasil+torefaksi+dianalisis+untuk+mengetahui+sifat+fisis%2C+nilai+proksimat%2C+nilai+kalor%2C+gugus+fungsi%2C+serta+struktur+kristal.+Torefaksi+memberikan+pengaruh+yang+siginifikan+terhadap+karakteristik+pelet+biomassa%2C+seperti+penurunan+kerapatan+sebesar+1%2C27+g%2Fcm3+dan+1%2C29+g%2Fcm3+menjadi+1%2C05+g%2Fcm3+dan+1%2C03+g%2Fcm3+setelah+ditorefaksi.+Pelet+biomassa+hasil+torefaksi+memberikan+penurunan+kadar+air+pada+pelet+biomasssa+kontrol+sebesar+9%2C51%25+dan+9%2C23%25%2C+nilai+kadar+air+pada+pelet+kayu+karet+menjadu+1%2C72%25+dan+kadar+air+pelet+bambu+betung+1%2C92%25.+Pelet+biomassa+hasil+torefaksi+memberikan+peningkatan+pada+analisis+proksimat+dan+nilai+kalor.+Pada+uji+ketahanan+air%2C+pelet+torefaksi+suhu+300%E2%84%83+tidak+mengalami+perubahan+fisik+setelah+perendaman+selama+24+jam.+Perubahan+warna+(%CE%94E*)+pelet+kayu+karet+dan+pelet+bambu+betung+yang+berubah+total+menjadi+berwarna+hitam+pada+suhu+300%C2%B0C.+Torefaksi+menyebabkan+perubahan+gugus+fungsi+seperti+gugus+OH%2C+C-H%2C+C%3DO%2C+C-O%2C+dan+C-O-C+dengan+analisis+FTIR.+Torefaksi+mengubah+struktur+kristal+pada+pelet+biomassa+kontrol+menjadi+amorf+setalah+ditorefaksi.%0D%0AKata+kunci%3A+Torefaksi%2C+Biomassa%2C+Bioenergi%2C+Pelet+Hitam.%0D%0A%0D%0AIn+this+study%2C+rubberwood+pellets+and+betung+bamboo+pellets+were+torrefied+using+temperature+variations+of+200%C2%B0C%2C+250%C2%B0C%2C+and+300%C2%B0C+with+durations+of+20%2C+30%2C+and+40+minutes.+The+torrefied+biomass+pellets+were+analyzed+to+determine+their+physical+properties%2C+proximate+value%2C+calorific+value%2C+functional+groups%2C+and+crystal+structure.+Torrefaction+has+a+significant+impact+on+the+characteristics+of+biomass+pellets%2C+such+as+a+reduction+in+density+to+1.05+g%2Fcm%C2%B3+and+1.03+g%2Fcm%C2%B3+after+torrefaction.+The+torrefied+biomass+pellets+showed+a+reduction+in+moisture+content+compared+to+the+control+biomass+pellets%2C+with+the+moisture+content+of+rubberwood+pellets+being+1.72%25+and+the+moisture+content+of+betung+bamboo+pellets+being+1.92%25.+The+torrefied+biomass+pellets+show+an+improvement+in+proximate+analysis+and+calorific+value.+In+the+water+resistance+test%2C+the+300%E2%84%83+torrefied+pellets+did+not+undergo+any+physical+changes+after+being+submerged+for+24+hours.+The+color+change+(%CE%94E*)+of+rubberwood+pellets+and+betung+bamboo+pellets+completely+turned+black+at+300%C2%B0C.+Torrefaction+causes+changes+in+functional+groups+such+as+OH%2C+C-H%2C+C%3DO%2C+C-O%2C+and+C-O-C+with+FTIR+analysis.+Torrefaction+changes+the+crystal+structure+of+the+control+biomass+pellets+to+amorphous+after+torrefaction.%0D%0AKey+words%3A+Torrefaction%2C+Biomass%2C+Bioenergy%2C+Black+Pellet.&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2025-05-22&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88263%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88263%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88263%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Fania+%2C+Naviza+++(2025)+PENGARUH+SUHU+DAN+DURASI+TOREFAKSI+TERHADAP+SIFAT+ENERGI+PELET+KAYU+KARET+(Hevea+brasiliensis)+DAN+PELET+BAMBU+BETUNG+(Dendrocalamus+asper)+SEBAGAI+ALTERNATIF+BIOENERGI.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F88263%2F