?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+LAJU+PEMBEBANANTERHADAP+PRODUKTIVITAS+BIOGAS+BERBAHAN+BAKU+KOTORAN+SAPI+PADA+DIGESTER+%0D%0ASEMI+KONTINYU%0D%0A&rft.creator=NUGROHO+HARGO+WICAKSONO%2C+1114071057&rft.subject=Pertanian+(+Umum+)&rft.description=Energi+merupakan+kebutuhan+primer+di+segala+aspek+bidang+kehidupan.++Rata-rata+pertumbuhan+energi+di+Indonesia+mencapai+4%2C7+%25+pertahun+(ESDM%2C+2012)+dengan+potensi+energi+biomassa+diperkirakan+mencapai+491%2C80+MW+dan+hanya+termanfaatkan+sebesar+1.618+MW+atau+sekitar+3%2C25+%25+(ESDM%2C+2014).++Berdasarkan+isu+tersebut%2C+biogas+sebagai+salah+satu+energi+alternatif+dapat+menjadi+solusi+yang+menjanjikan.++Keunggulan+biogas+seperti+potensi+berkelanjutan+dan+biaya+yang+lebih+murah+dapat+diaplikasikan+sesuai+dengan+kondisi+dan+potensi+limbah+biomassa+di+Indonesia+(Saputri%2C+2014).++Efisiensi+dari+pembentukan+biogas+pada+digester+semi+kontinyu+dipengaruhi+oleh+faktor+laju+pembebanan(loading+rate)+dari+umpan+digester.++Penelitian+ini+bertujuan+mengetahui+pengaruh+variasi+laju+pembebananterhadap+produktivitas+biogas.%0D%0ALima+variasi+perlakuan+laju+pembebanan+dengan+kotoran+sapi+segar+dan+air+berbanding+1+%3A+1+digunakan+pada+penelitian+ini%2C+yaitu+pada+P1+dengan+laju+pembebanan3%2C33+kg%2Fhari%2Fm3%2C+P2+2%2C67+kg%2Fhari%2Fm3%2C+P3+1%2C90+kg%2Fhari%2Fm3%2C+P4+1%2C23+kg%2Fhari%2Fm3+dan+P5+0%2C33+kg%2Fhari%2Fm3.++Penelitian+ini+menggunakan+digester+semi+kontinyu+dari+dua+buah+galon+yang+dirakit+dan+diberi+saluran+input+umpan%2C+output+pada+digeste+dan+biogas.++Analisis+TS+(total+solids)+dan+VS+(volatile+solids)+dilakukan+pada+substrat+awal+maupun+umpan+in+dan+digeste+out+setiap+tujuh+hari+sekali.++Pengamatan+harian+meliputi+suhu+digester+dan+lingkungan%2C+pH+substrat+dalam+digester%2C+volume+dan+waktu+biogas+dapat+dibakar.+%0D%0ARata-rata+kandungan+substrat+awal%2C+yaitu+pada+TSin+berkisar+9%2C16+%E2%80%93+9%2C21+%25+dan+VSin++berkisar+34%2C53+%E2%80%93+36%2C72+%25.++Beberapa+kekurangan+pada+digester+ditunjukan+oleh+parameter+TSout+dan+VSout%2C+yaituberkisar+-5%2C08+%E2%80%93+13%2C55+%25.++Nilai+pH+pada+setiap+perlakuan+cenderung+mendekati+normal%2C+yaitu+6%2C8+%E2%80%93+7+sedangkan+suhu+pada+setiap+perlakuan+terbilang+sama%2C+yaitu+28%2C7+%E2%80%93+29%2C1+%C2%B0C+pada+digester+dan+28%2C8+%E2%80%93+28%2C9+%C2%B0C+pada+lingkungan.++Biogas+setiap+perlakuan+rata-rata+dapat+dibakar+pada+minggu+ke-4+dengan+kondisi+kestabilan+rata-rata+terbentuk+pada+hari+ke-44.++Warna+nyala+api+yang+dihasilkan+setiap+perlakuan+tidak+jauh+berbeda%2C+yaitu+berwarna+biru+ketika+terbakar.++Hasil+produktivitas+terbaik+ditunjukan+perlakuan+P5+dengan+laju+pembebanan+0%2C65+kg%2Fhari%2Fm3%2Cyaitu+3%2C16++%2Fgram+TSin%2Fhari+dan+total+volume+produksi+gas+stabil+sebesar+72%2C34+liter.++Perlakuan+laju+pembebanan+berpengaruh+terhadap+produktivitas+biogas.++Laju+pembebanan+yang+lebih+tinggi+(HRT+lebih+pendek)+dapat+menghasilkan+produktivitas+yang+lebih+rendah.++%0D%0A%0D%0AKata+Kunci+%3A+biogas%2C+laju+pembebanan+(loading+rate)%2C+kotoran+sapi%2C+digester+semi+kontinyu%0D%0AEFFECT+OF+LOADINGRATEON+BIOGAS+PRODUCTIVITY+FROM+COW+MANURE+ON+A+SEMI+CONTINYUS+DIGESTER%0D%0A%0D%0AThe+energy+is+a+basic+needs+in+all+aspect+of+live.++Average+growth+of+energy+in+Indonesia+reachs+at+4%2C7+%25+annually+(ESDM+2012)%2C+energy+potential+of+biomass+is+estimated+at+491%2C80+MW+is+simply+utilized+by+1.618+MW+or+about+3%2C25+%25+(ESDM%2C+2014).++Refering+to+the+issue%2C+biogas+as+an+alternative+energy+could+be+a+promising+solution.++Advantages+of+biogas+as+a+potential+sustainable+and+lower+cost+can+be+applied+in+accordance+with+the+conditions+and+the+potential+of+waste+biomass+in+Indonesia+(Saputri%2C+2014).++Efficiency+of+biogas+establishment+on+a+semi-continuous+digester+was+influenced+by+the+loading+rate+of+feeding+digester.++This+study+aims+to+determine+the+effect+of+loading+rate+variations+on+the+productivity+of+biogas.+%0D%0AFive+variations+of+feed+treatments+of+fresh+cow+dung+with+ratio+to+water+by+1+%3A+1+used+in+this+study%2C+were+P1+with+loading+rate+of+3%2C33+kg%2Fday%2Fm3%2C+P2+at+2%2C67+kg%2Fday%2Fm3%2C+P3+at+1%2C90+kg%2Fday%2Fm3%2C+P4+at+1%2C23+kg%2Fday%2Fm3+and+P5+at+0%2C33+kg%2Fday%2Fm3.++Five+semi-continuous+digesters+of+two+gallons+each+assembled+and+equiped+with+a+feed+input%2C+digeste+and+biogas+outlets+were+used+in+this+study.++Analysis+of+TS+(total+solids)+and+VS+(volatile+solids)+was+performed+on+the+feeding+substrate+and+effluent+once+a+week.++Daily+Observations+included+digester+and+environmental+temperatures%2C+substrate+pH+in+digester%2C+volume+of+biogas+by+the+time+it+was+ignitable.%0D%0AThe+average+content+of+the+initial+substrate%2C+for+the+TS+was+in+the+range+of+9%2C16+%E2%80%939%2C21%25+and+VS+was+in+the+range+of+34%2C53+%E2%80%93+36%2C72%25.++Some+shortcomings+in+the+digester+was+shown+by+the+parameters+TSout+and+VSout%2C+which+ranged+from+-5%2C08+%E2%80%93+13%2C55%25.++The+pH+value+in+each+treatment+tended+to+be+normal%2C+which+was+6%2C8+to+7+while+the+temperature+in+each+treatment+relatively+the+same%2C+which+was+from+28%2C7+to+29%2C1+%C2%B0C+in+digester+and+28%2C8+to+28%2C9+%C2%B0C+in+environment.++On+the+average+biogas+could+be+burned+on+the+4th+week+with+steady+state+conditions+formed+on+the+44th+day.++Result+of+the+flame+color+was+not+much+different+to+any+treatment+that+is+blue+when+it+was+burned.++The+best+result+of+productivity+was+shown+in+P5+treatment+with+loading+rate+of+0%2C65+kg%2Fday%2Fm3%2C+a+productivity+of+8%2C88+liters%2Fgram+TSin%2Fday+and++total+volume+of+steady+state+gas+production+at+72%2C34+liters.++The+treatment+of+loading+rate+affected+the+productivity+of+biogas.++High+loading+rate+(shortter+HRT)+resulted+in+lower+biogas+production.%0D%0A%0D%0AKeywords+%3A+biogas%2C+loading+rate%2C+cow+manure%2C+semi-continuous+digester%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2016-09-05&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24262%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24262%2F9%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24262%2F10%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++NUGROHO+HARGO+WICAKSONO%2C+1114071057++(2016)+PENGARUH+LAJU+PEMBEBANANTERHADAP+PRODUKTIVITAS+BIOGAS+BERBAHAN+BAKU+KOTORAN+SAPI+PADA+DIGESTER+SEMI+KONTINYU.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24262%2F