?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+UKURAN+SAMPEL+TONGKOL+JAGUNG%0D%0APADA+TOREFAKSI+MENGGUNAKAN+REAKTOR+TOREFAKSI%0D%0AKONTINU+TIPE+TUBULAR+SISTEM+OIL+JACKET&rft.creator=%09Risky+M.+%2C+Desnal%09&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Penggunaan+biomassa+sebagai+bahan+bakar+padat+dapat+meningkatkan+ketahanan%0D%0Aenergi+suatu+negara+dan+mendorong+pembangunan+berkelanjutan.+Namun%2C%0D%0Apenggunaan+biomassa+harus+diimbangi+dengan+pengelolaan+sumber+daya+yang+baik%0D%0Adan+strategi%2C+untuk+pengembangan+energi+terbarukan+yang+berkelanjutan%2C+menjaga%0D%0Akelestarian+sumber+daya+dan+mengurangi+dampak+lingkungan.+Tongkol+jagung%0D%0Amerupakan+limbah+pertanian+yang+berpotensi+untuk+diolah+menjadi+bahan+bakar%0D%0Aalternatif+karena+ketersediaannya+yang+melimpah.+Mengoptimalkan%0D%0Apemanfaatannya+perlu+dilakukan+proses+torefaksi+untuk+meningkatkan+karakteristik%0D%0Atongkol+jagung+agar+mendekati+karakteristik+batubara.+Salah+satu+variabel+dari%0D%0Aproses+torefaksi+adalah+ukuran+dari+sampel+mentah.+Penelitian+ini+dilakukan+dengan%0D%0Amemvariasikan+ukuran+produk+biomassa+tongkol+jagung+berupa+bongkahan%2C+cacah%2C%0D%0Adan+serbuk+dengan+temperatur+275%C2%B0C+dan+waktu+tinggal+selama+30+menit.+Peralatan%0D%0Ayang+digunakan+yaitu+reaktor+torefaksi+tipe+kontinu+tubular+sistem+oil+jacket+dengan%0D%0Apemanas+LPG.+Hasil+penelitian+ini+dapat+meningkatkan+nilai+kalor+tongkol+jagung%0D%0Amentah.+Nilai+kalor+tertinggi+terdapat+pada+ukuran+cacah+sebesar+6445%2C51+kkal%2Fkg%0D%0Amengalami+kenaikan+sebesar+32%2C5%25+dari+nilai+kalor+tongkol+jagung+mentah.+Proses%0D%0Atorefaksi+mengurangi+persantase+moisture+content+dan+volatile+matter%2C%0D%0Ameningkatakan+persentase+fixed+carbon+dan+ash.+Mass+yield+terus+menurun%0D%0Aberbanding+lurus+dengan+kenaikan+temperatur+torefaksi.+Energy+yield+yang%0D%0Atersimpan+pada+tongkol+jagung+tertorefaksi+dari+ketiga+ukuran+bongkahan%2C+cacah%2C%0D%0Adan+serbuk+didapatkan+yang+terbesar+pada+ukuran+cacah+sebesar+83%2C6%25.%0D%0A%0D%0AKata+Kunci%3A+Biomassa%2C+Torefaksi%2C+Tongkol+Jagung%2C+Nilai+Kalor%0D%0AThe+use+of+biomass+as+a+solid+fuel+can+enhance+a+country's+energy+resilience+and%0D%0Apromote+sustainable+development.+However%2C+biomass+utilization+must+be+balanced%0D%0Awith+good+resource+management+and+strategies+for+sustainable+renewable+energy%0D%0Adevelopment%2C+maintaining+resource+sustainability%2C+and+reducing+environmental%0D%0Aimpacts.+Corn+cobs+are+agricultural+waste+with+potential+for+processing+into%0D%0Aalternative+fuel+due+to+their+abundant+availability.+Optimizing+their+utilization%0D%0Arequires+torrefaction+processes+to+enhance+corn+cob+characteristics+to+approach%0D%0Athose+of+coal.+One+variable+in+the+torrefaction+process+is+the+size+of+the+raw+sample.%0D%0AThis+study+varied+the+size+of+corn+cob+biomass+products%2C+including+chunks%2C+chips%2C%0D%0Aand+powder%2C+at+a+temperature+of+275%C2%B0C+and+a+residence+time+of+30+minutes.+The%0D%0Aequipment+used+was+a+continuous+tubular+torrefaction+reactor+system+with+an+oil%0D%0Ajacket+heater+fueled+by+LPG.+The+results+of+this+study+show+an+increase+in+the%0D%0Acalorific+value+of+raw+corn+cobs.+The+highest+calorific+value+was+found+in+the+chip%0D%0Asize+at+6445.51+kcal%2Fkg%2C+representing+a+32.5%25+increase+from+the+calorific+value+of%0D%0Araw+corn+cobs.+The+torrefaction+process+reduced+the+percentage+of+moisture+content%0D%0Aand+volatile+matter%2C+increased+the+percentage+of+fixed+carbon+and+ash.+Mass+yield%0D%0Adecreased+linearly+with+increasing+torrefaction+temperature.+Energy+yield+stored+in%0D%0Atorrefied+corn+cobs+of+all+three+sizes+chunks%2C+chips%2C+and+powder+was+highest+for+the%0D%0Achip+size+at+83.6%25.%0D%0A%0D%0AKey+words%3A+Biomass%2C+Torrefaction%2C+Corn+Cobs%2C+Calorific+Value.&rft.publisher=TEKNIK+&rft.date=2024-02-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84000%2F1%2FABSTRAK%2520-%2520Risky%2520M.%2520Desnal.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84000%2F2%2FSKRIPSI%2520FULL-1%2520-%2520Risky%2520M.%2520Desnal.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84000%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Risky%2520M.%2520Desnal.pdf&rft.identifier=+++Risky+M.+%2C+Desnal+++(2024)+PENGARUH+VARIASI+UKURAN+SAMPEL+TONGKOL+JAGUNG+PADA+TOREFAKSI+MENGGUNAKAN+REAKTOR+TOREFAKSI+KONTINU+TIPE+TUBULAR+SISTEM+OIL+JACKET.++TEKNIK+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F84000%2F