?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+ADSORPSI+ION-ION+LOGAM+DIVALEN+Ca2%2B%2C+Cu2%2B%2C+DAN+Cd2%2B+DALAM+LARUTAN+OLEH+BIOMASSA+ALGA+Dunaliella+sp&rft.creator=SKRIPSI+WIDYA+AFRILIANI+WIJAYA+%2C+1017011052&rft.subject=+&rft.description=ABSTRAK%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+uji+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+pada+biomassa+alga+Dunaliella+sp.+Variabel-variabel+yang+dikaji+dalam+penelitian+ini+meliputi+dosis+biomassa+alga+sebagai+adsorben%2C+pH%2C+dan+waktu+interaksi+optimum+serta+konsentrasi+awal+logam+yang+diinteraksikan+dengan+adsorben.+Adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+dengan+biomassa+alga+dilakukan+menggunakan+metode+batch.+Biomassa+alga+Dunaliella+dikarakterisasi+menggunakan+spektofotometer+inframerah+(IR)+dan+kadar+ion+logam+yang+terserap+dianalisis+dengan+spektrofotometer+serapan+atom+(SSA).+Proses+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+pada+biomassa+alga+Dunaliella+sp+optimum+pada+pH+4.+Data+adsorpsi+dianalisis+untuk+menentukan+kinetika+dan+isoterm+adsorpsi.+Kinetika+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+cenderung+mengikuti+model+kinetika+orde+2+dengan+konstanta+laju+untuk+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+masing-masing+sebesar+0%2C28%3B+1%2C25%3B+2%2C10+g+mg-1+menit-1.+Isoterm+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+dengan+biomassa+Dunaliella+sp+cenderung+mengikuti+model+isoterm+adsorpsi+Langmuir+dengan+kapasitas+adsorpsi+ion+Ca2%2B%2C+Cu2%2B%2C+dan+Cd2%2B+masing-masing+8%2C35%3B+16%2C76%3B+43%2C23+mg+g-1.%0D%0AKata+kunci+%3A+Dunaliella+sp%2C+kinetika+adsorpsi%2C+isoterm+adsorpsi%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIn+this+research%2C+it+has+been+performed+adsorption+process+of+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+by+the+use+of+algae+biomass+Dunaliella+sp.+Several+variables+were+evaluated%2C+these+include+dosages+of+algae+biomass+as+adsorbent%2C+pHs%2C+interaction+times%2C+and+the+initial+concentration+of+ions+which+was+interacted+with+adsorbent+and+the+adsorption+process+used+in+this+research+was+batch+process.+Algae+biomass+of+Dunaliella+sp+was+characterized+by+spectrophotometer+infrared+(IR)+and+concentration+of+ions+was+analyzed+using+absorption+atomic+spectrophotometer+(AAS).+Optimum+condition+from+adsorption+process+of+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+using+algae+biomass+Dunaliella+sp+was+obtained+at+pH+4.+Adsorption+data+of+experiments+were+used+to+determine+the+adsorption+kinetics+and+adsorption+isotherm.+Adsorption+kinetics+for+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+follows+pseudo+order+2+with+rate+constants+(g+mg-1+min-1)+of+0.28%2C+1.25+and+2.10+for+Ca2%2B%2C+Cu2%2B+and+Cd2%2B%2C+respectively.+Adsorption+isotherm+of+Ca2%2B%2C+Cu2%2B%2C+and+Cd2%2B+ions+using+Dunaliella+sp+obeys+Langmuir+adsorption+isotherm+with+adsorption+capacity+(mg+g-1)+of+8.35%2C+16.76+and+43.23+for+Ca2%2B%2C+Cu2%2B+and+Cd2%2B%2C+respectively.%0D%0A.%0D%0AKeywords+%3A+Dunaliella+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%2F5449%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F4%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F5%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F6%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F7%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F8%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F9%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F10%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F11%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F12%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F13%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F14%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F15%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F16%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F17%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F20%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5449%2F21%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++SKRIPSI+WIDYA+AFRILIANI+WIJAYA+%2C+1017011052++(2014)+STUDI+ADSORPSI+ION-ION+LOGAM+DIVALEN+Ca2%2B%2C+Cu2%2B%2C+DAN+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