?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=HIDROLISIS+PATI+UMBI+TALAS+TARO+DI+BAWAH+PENGARUH+ULTRASONIKASI+UNTUK+MENGHASILKAN+GULA+REDUKSI+SEBAGAI+BAHAN+BAKU+BIOETANOL&rft.creator=FUNDA+ELISYIA%2C+1017011059&rft.subject=+&rft.description=ABSTRAK%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+studi+adsorpsi+ion+Ca(II)%2C+Cu(II)%2C+dan+Cd(II)+oleh+biomassa+alga+Porphyridum+sp.+Identifikasi+gugus+fungsi+pada+biomassa+Porphyridium+sp+dilakukan+dengan+menggunakan+spektrofotometer+inframerah+(IR).+Hasil+identifikasi+menunjukkan+bahwa+biomassa+Porphyridium+sp+mengandung+gugus+%E2%80%93OH%2C+C%3DO%2C+N-H%2C+dan+S%3DO.+Kajian+adsorpsi+ion+Ca(II)%2C+Cu(II)%2C+dan+Cd(II)+oleh+biomassa+Porphyridium+sp+meliputi+penentuan+dosis+biomassa+alga%2C+pH%2C+waktu%2C+dan+konsentrasi+ion+logam+menunjukkan+bahwa+adsorpsi+ion+Ca(II)%2C+Cu(II)%2Cdan+Cd(II)+oleh+biomassa+Porphyridium+sp+optimum+pada+dosis+biomassa+alga+0%2C1+g%2C+pH+4%2C+dan+waktu+pengadukkan+30+menit.+Proses+adsorpsi+ion+Ca(II)%2C+Cu(II)%2C+dan+Cd(II)+oleh+biomassa+Porphyridium+sp+dilakukan+dengan+metode+batch+dan+kadar+logam+dianalisis+dengan+spektrofotometer+serapan+atom+(SSA).+Adsorpsi+ion+Ca(II)%2C+Cu(II)%2Cdan+Cd(II)+oleh+biomassa+Porphyridium+sp+mengikuti+persamaan+kinetika+pseudo+orde+dua+dengan+konstanta+laju+masing-masing+sebesar+45%2C48%3B+157%2C79%3B+167%2C98+g+mmol-1+menit-1+serta+pola+adsorpsinya+cenderung+mengikuti+pola+adsorpsi+isoterm+Langmuir+dengan+kapasitas+adsorpsi+masing-masing+ion+logam+sebesar+28%2C63%3B+37%2C07%3B+76%2C92+mg+g-1.+Energi+adsorpsi+masing-masing+ion+Ca(II)%2C+Cu(II)%2C+dan+Cd(II)+oleh+biomassa+alga+Porphyridium+sp+sebesar+8%2C14%3B+14%2C46%3B+20%2C89+kJ+mol-1.%0D%0AKata+kunci%3A+Porphyridium+sp%2C+kinetika+adsorpsi%2C+dan+isoterm+adsorpsi%0D%0A%0D%0AABSTRACT+%0D%0AThis+research+was+conducted+to+study+the+potential+of+taro+tuber+as+raw+material+for+bioetahnol+production.+For+this+purpose%2C+as+series+of+hydrolysis+experiments+was+carried+out+under+the+influence+of+ultrasound+energy+at+fixed+frequency+of+40+kHz+to+produce+a+reducing+sugar+at+different+pHs%2C+times%2C+and+temperatures.+Reducing+sugar+in+the+hydrolyzates+was+determined+by+UV-Vis+spectrophotometry+method.+The+results+showed+the+highest+reducing+sugar+concentration+(1969.2+mg+%2F+L)+for+primary+tuber+was+achieved+by+hydrolysis+at+pH+2%2C+for+90+minutes%2C+at+a+temperature+of+80+0C.+For+a+sample+of+secondary+tuber+the+optimum+condition+is+hydrolysis+at+pH+2%2C+for+60+min+at+70+0C+with+a+reducing+sugar+concentration+produced+was+691.8+mg+%2F+L.+Fermentation+test+using+the+powdered+bark+of+raru+plant+and+Saccharomyces+cerevisiae+fermentation+showed+that+both+agents+are+capable+of+converting+the+reducing+sugar+into+bioethanol.+The+concentrations+of+bioetahol+produced+using+Saccharomyces+cerevisiae+are+20.63%25+from+primary+tuber+and+26.31%25+from+secondary+tuber.+The+concentrations+of+bioetahol+produced+using+the+bark+of+raru+plant+are+5.0%25+from+primary+tuber+and+2.87%25+from+secondary+tuber.%0D%0AKeywords%3A+Tuber+taro%2C+ultrasonikasi%2C+hydrolysis%2C+fermentation%2C+wood+raru%2C%0D%0ASaccharomyces+cerevisiae.&rft.publisher=Fakultas+Mipa&rft.date=2014-02-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F2%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F3%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F4%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F5%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F6%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F7%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F8%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F9%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F10%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F11%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F12%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F13%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F14%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F15%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5566%2F16%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++FUNDA+ELISYIA%2C+1017011059++(2014)+HIDROLISIS+PATI+UMBI+TALAS+TARO+DI+BAWAH+PENGARUH+ULTRASONIKASI+UNTUK+MENGHASILKAN+GULA+REDUKSI+SEBAGAI+BAHAN+BAKU+BIOETANOL.++Fakultas+Mipa%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relati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