?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KONVERSI+NANOSELULOSA+MENJADI+GULA+ALKOHOL+DARI%0D%0ALIMBAH+KULIT+PISANG+KEPOK+(Musa+paradisiaca+L)%0D%0AMENGGUNAKAN+NANOKATALIS+LaCr0.96Ti0.04O3%2FnGO+DENGAN%0D%0A%0D%0ARASIO+(0%2C5%2F1)&rft.creator=Misye+%2C+Cristiany+Siagian&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Pada+penelitian+ini+telah+dilakukan+preparasi+nanoselulosa+menggunakan+metode%0D%0Adelignifikasi%2C+bleaching%2C+dan+hidrolisis+asam+sehingga+diperoleh+ukuran+partikel%0D%0Asebesar+18%2C4+nm+dengan+indeks+kristalinitas+sebesar+64%2C33%25.+Nanoselulosa+akan%0D%0Adikonversi+menjadi+gula+alkohol+menggunakan+nanokatalis+LaCr0%2C96Ti0%2C04O3%2FnGO%0D%0Adengan+metode+sol-gel+dan+impregnasi+perbandingan+0%2C5%2F1.+Pada+preparasi+nGO%0D%0Adilakukan+dengan+menggunakan+metode+Hummer%E2%80%99s+termodifikasi.+Hasil+analisis%0D%0AXRD+menunjukkan+terbentuknya+fase+kristal+utama+yaitu+LaCrO3+dan+LaTiO3.%0D%0AUkuran+partikel+LaCr0%2C96Ti0%2C04O3+dan+LaCr0%2C96Ti0%2C04O3%2FnGO+(0%2C5%2F1)+diperoleh+sebesar%0D%0A33%2C0+dan+27%2C5+nm.+Analisis+SEM-EDX+menunjukkan+terjadinya+aglomerasi+pada%0D%0Apermukaan+nanokatalis+LaCr0%2C96Ti0%2C04O3%2FnGO+sehingga+bentuknya+tidak+beraturan.%0D%0AAnalisis+DRS+memperoleh+nilai+energi+celah+pita+sebesar+1%2C93+eV+dan+1%2C49+eV.+Uji%0D%0Akonversi+nanoselulosa+menjadi+gula+alkohol+menggunakan+nanokatalis%0D%0ALaCr0%2C96Ti0%2C04O3%2FnGO+(0%2C5%2F1)+disertai+dengan+aliran+gas+H2+pada+variasi+waktu+600%2C%0D%0A120%2C+180%2C+240%2C+dan+300+menit.+Hasil+konsentrasi+gula+pereduksi+tertinggi+sebesar%0D%0A240%2C58+ppm+pada+variasi+waktu+180+menit.+Analisis+HPLC+menunjukkan+bahwa%0D%0Apuncak+dari+gula+alkohol+yang+dihasilkan+tidak+terdeteksi+baik+mannitol%2C+xylitol%0D%0Amaupun+sorbitol+yang+menjadi+target+pencapaian.%0D%0AKata+kunci%3A+nanoselulosa%2C+LaCr0%2C96Ti0%2C04O3%2FnGO%2C+gula+alkohol.%0D%0A%0D%0AIn+this+study%2C+nanocellulose+preparation+was+carried+out+using+delignification%2C%0D%0Ableaching%2C+and+acid+hydrolysis+methods+to+obtain+a+particle+size+of+18.4+nm+with+a%0D%0Acrystallinity+index+of+64.33%25.+Nanocellulose+will+be+converted+into+sugar+alcohol%0D%0Ausing+LaCr0.96Ti0.04O3%2FnGO+nanocatalyst+by+sol-gel+method+and+impregnation+of%0D%0A0.5%2F1+ratio.+The+preparation+of+nGO+was+carried+out+using+the+modified+Hummer's%0D%0Amethod.+The+results+of+XRD+analysis+showed+the+formation+of+the+main+crystal%0D%0Aphases%2C+namely+LaCrO3+and+LaTiO3.+The+particle+sizes+of+LaCr0.96Ti0.04O3+and%0D%0ALaCr0.96Ti0.04O3%2FnGO+(0.5%2F1)+were+obtained+as+33%2C0+and+27.5+nm.+SEM-EDX%0D%0Aanalysis+showed+agglomeration+on+the+surface+of+LaCr0.96Ti0.04O3%2FnGO+nanocatalyst%0D%0Aso+that+the+shape+is+irregular.+DRS+analysis+obtained+band+gap+energy+values+of+1.93%0D%0AeV+and+1.49+eV.+Conversion+test+of+nanocellulose+to+sugar+alcohol+using%0D%0ALaCr0.96Ti0.04O3%2FnGO+(0.5%2F1)+nanocatalyst+(0.5%2F1)+accompanied+by+H2+gas+flow+at%0D%0Atime+variations+of+600%2C+120%2C+180%2C+240%2C+and+300+minutes.+The+highest+reducing+sugar%0D%0Aconcentration+was+240.58+ppm+at+180+minutes.+HPLC+analysis+showed+that+the%0D%0Apeaks+of+sugar+alcohols+produced+were+not+detected+either+mannitol%2C+xylitol+or%0D%0Asorbitol+which+became+the+target+achievement.%0D%0AKeywords%3A+nanocellulose%2C+LaCr0.96Ti0.04O3%2FnGO%2C+sugar+alcohol%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2024-08-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82455%2F1%2FAbstrak%2520-%2520Misye%2520Cristiany%2520Siagian.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82455%2F2%2FSKRIPSI%2520FULL%2520TANPA%2520LAMPIRAN%2520-%2520Misye%2520Cristiany%2520Siagian.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82455%2F3%2FSKRIPSI%2520FULL%2520TANPA%2520LAMPIRAN%2520TANPA%2520PEMBAHASAN%2520-%2520Misye%2520Cristiany%2520Siagian.pdf&rft.identifier=++Misye+%2C+Cristiany+Siagian++(2024)+KONVERSI+NANOSELULOSA+MENJADI+GULA+ALKOHOL+DARI+LIMBAH+KULIT+PISANG+KEPOK+(Musa+paradisiaca+L)+MENGGUNAKAN+NANOKATALIS+LaCr0.96Ti0.04O3%2FnGO+DENGAN+RASIO+(0%2C5%2F1).++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82455%2F