?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KINETIKA+DAN+ISOTERM+ADSORPSI+ION-ION+LOGAM+DIVALEN+Ca2%2B%2C+Cu2%2B%2C+DAN+Cd2%2B+DALAM+LARUTAN+OLEH%0D%0ABIOMASSA+ALGA+Spirulina+sp&rft.creator=SEVINA+SILVI%2C+1017011047&rft.subject=+&rft.description=ABSTRAK%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+proses+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+terhadap+adsorben+biomassa+alga+Spirulina+sp.+Identifikasi+gugus+fungsi+biomassa+alga+Spirulina+sp+dilakukan+dengan+menggunakan+spektrofotometer+inframerah+(IR)+dan+kadar+ion+logam+dianalisis+dengan+spektrofotometer+serapan+atom+(SSA).+Proses+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+pada+biomassa+alga+dilakukan+dengan+metode+batch+untuk+mengkaji+jumlah+(dosis)+biomassa+alga+sebagai+adsorben%2C+pH%2C+dan+waktu+kontak+optimum+serta+konsentrasi+ion+logam+optimum.+Jumlah+dosis+biomassa+alga+sebagai+adsorben+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+optimum+pada+0%2C1+g+dan+proses+adsorpsi+optimum+pada+pH+5.+Kinetika+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+cenderung+mengikuti+model+kinetika+pseudo+orde+dua+dengan+konstanta+laju+untuk+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+masing-masing+adalah+0%2C300%3B+0%2C090%3B+dan+0%2C015+g+mg-1+menit-1.+Isoterm+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+cenderung+mengikuti+model+isoterm+Langmuir+dengan+kapasitas+adsorpsi+untuk+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+masing-masing+adalah+22%2C52%3B+22%2C21%3B+dan+21%2C25+mg+g-1.%0D%0AKata+kunci%3A+Spirulina+sp%2C+kinetika+adsorpsi%2C+dan+isoterm+adsorpsi%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIn+this+research%2C+it+has+been+carried+out+adsorption+process+of+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+towards+adsorbent+of+Spirulina+sp.+The+identification+of+the+functional+groups+of+Spirulina+sp+algae+biomass+was+performed+using+FTIR+spectroscopy+method+and+the+amount+of+ions+was+analyzed+using+Atomic+Absorption+Spectrophotometer+(AAS).+Batch+process+was+used+in+the+adsorption+of+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+by+algae+biomass+to+determine+the+algae+biomass+dosage+as+adsorbent%2C+pH%2C+interaction+time%2C+and+initial+metal+ion+concentration.+The+optimum+algae+biomass+dosage+was+0.1+g+and+the+optimum+adsorption+was+at+pH+5.+The+kinetics+adsorptions+of+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+tend+to+follow+the+pseudo+second+order+kinetics+with+rate+constant+values+of+0.300%2C+0.090%2C+and+0.015+g+mg-1+min-1%2C+respectively.+The+adsorption+isotherms+of+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+tend+to+follow+the+Langmuir+isotherm+models%2C+with+the+values+of+adsorption+capacity+of+22.52%2C+22.21%2C+and+21.25+mg+g-1%2C+respectively.%0D%0AKeywords%3A+Spirulina+sp%2C+adsorption+kinetics%2C+adsorption+isotherm&rft.publisher=Fakultas+Mipa&rft.date=2014-08-20&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F4%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F5%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F6%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F7%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F8%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F9%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F10%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F11%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F12%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F13%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F14%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F15%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F16%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F17%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F18%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F19%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++SEVINA+SILVI%2C+1017011047++(2014)+KINETIKA+DAN+ISOTERM+ADSORPSI+ION-ION+LOGAM+DIVALEN+Ca2%2B%2C+Cu2%2B%2C+DAN+Cd2%2B+DALAM+LARUTAN+OLEH+BIOMASSA+ALGA+Spirulina+sp.++Fakultas+Mipa%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F5451%2F