?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ADSORPTION+OF+MULTICOMPONENT+SOLUTION+OF+Cu(II)+IONS%2C+METHYLENE+BLUE%2C+AND+CRYSTAL+VIOLET+ON%0D%0AADSORBENT+BIOMASS+Porphyridium+sp.+SILICA-MAGNETITE+(Fe3O4)&rft.creator=Desy+Permatasari%2C+1517011084&rft.subject=+&rft.description=This+study+has+been+carried+out+the+synthesis+of+the+hybrid+adsorbent+algae%0D%0APorphyridium+sp.+using+silica+coating+(HA-S)+and+Porphyridium+sp.+algae+hybrid%0D%0Awith+magnetite+silica+coating+technique%2C+Fe3O4+(HA-SM).+The+synthesized%0D%0Aadsorbent+was+characterized+using+an+infrared+spectrophotometer+(IR)+to+identify%0D%0Athe+functional+groups+contained+in+the+adsorbent%2C+X-Ray+Diffraction+(XRD)+to%0D%0Adetermine+the+crystallinity+is+mainly+modify+by+HA-S+and+magnetite+and+then%0D%0AScanning+Electron+Microscopy+with+Energy+Dispersive+X-Ray+(SEM-EDX)+to%0D%0Aanalyze+surface+morphology+and+element+composition+in+the+adsorbent.+The%0D%0Aresults+of+crystal+violet+(CV)+and+methylene+blue+(MB)+dyes+solution+and+the%0D%0Amulticomponent+solution+adsorption+of+Cu(II)+ions%2C+(MB)%2C+and+(CV)+on+HA-S+and%0D%0AHA-SM+were+analyzed+using+a+UV-VIS+spectrophotometer+and+Atomic%0D%0AAbsorption+Spectrophotometer+(AAS).+The+optimum+of+dyes+solution+and+the%0D%0Amulticomponent+solution+adsorption+for+HA-S+and+HA-SM+adsorbents+occurred+at%0D%0ApH+8+with+a+contact+time+of+90+and+15+minutes+respectively.+The+rate+of+dyes%0D%0Asolution+and+the+multicomponent+solution+adsorption+on+HA-S+and+HA-SM+tends%0D%0Ato+follow+the+second+order+pseudo+kinetics+model.+The+dyes+solution+and+the%0D%0Amulticomponent+solution+adsorption+isotherms+for+HA-S+and+HA-SM+tend+to%0D%0Afollow+Freundlich+isotherm+model.+The+reusabiliity+of+HA-S+and+HA-SM%0D%0Aadsorbent+to+adsorption+MB+was+succeed+as+much+as+7+times+repetition+with+the%0D%0Arepeat+cycle+with+%25+MB+adsorb+%3E80%25.%0D%0AKeyword%3A+Porphyridium+sp.%2C+adsorption%2C+multicomponent%2C+HA-S%2C+HA-SM.%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+sintesis+adsorben+hibrida+alga+Porphyridium%0D%0Asp.+menggunakan+teknik+pelapisan+silika+(HA-S)+dan+hibrida+alga+Porphyridium%0D%0Asp.+dengan+teknik+pelapisan+silika+magnetit%2C+Fe3O4%0D%0A(HA-SM).+Adsorben+hasil%0D%0Asintesis+dikarakterisasi+menggunakan+spektrofotometer+inframerah+(IR)+untuk%0D%0Amengidentifikasi+gugus+fungsi+pada+adsorben%2C+X-Ray+Diffraction+(XRD)+untuk%0D%0Amenentukan+tingkat+kekristalan+dari+hasil+modifikasi+HA-S+dan+magnetit%2C+serta%0D%0AScanning+Electron+Microscopy+with+Energi+Dispersive+X-Ray+(SEM-EDX)+untuk%0D%0Amenganalisis+morfologi+permukaan+dan+komposisi+unsur+dalam+adsorben.%0D%0AHasil+adsorpsi+pasangan+larutan+zat+warna+kristal+violet+(KV)+dan+metilen+biru%0D%0A(MB)+serta+larutan+multikomponen+ion+Cu(II)%2C+MB%2C+dan+KV+terhadap+HA-S+dan%0D%0AHA-SM+dianalisis+dengan+menggunakan+spektrofotometer+UV-Vis+dan%0D%0Aspektrofotometer+serapan+atom+(SSA).+Tingkat+optimum+adsorpsi+pasangan%0D%0Alarutan+zat+warna+dan+larutan+multikomponen+terhadap+HA-S+dan+HA-SM+terjadi%0D%0Apada+pH+8+dengan+waktu+kontak+masing-masing+90+dan+15+menit.+Laju+adsorpsi%0D%0Apasangan+larutan+zat+warna+dan+larutan+multikomponen+terhadap+HA-S+dan+HA-+SM+cenderung+mengikuti+model+kinetika+pseudo+orde+dua.+Isoterm+adsorpsi%0D%0Apasangan+larutan+zat+warna+dan+larutan+multikomponen+terhadap+HA-S+dan+HA-+SM+cenderung+mengikuti+model+isoterm+Freundlich.+Adsorben+HA-S+dan+HA-SM%0D%0Adapat+digunakan+secara+berulang+untuk+mengadsorpsi+MB+sebanyak+7+kali+siklus%0D%0Apengulangan+dengan+%25+MB+teradsorpsi+%3E+80%25.%0D%0AKata+kunci+%3A+Porphyridium+sp.%2C+adsorpsi%2C+multikomponen%2C+HA-S%2C+HA-SM&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55659%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55659%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55659%2F3%2F3.%2520SKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Desy+Permatasari%2C+1517011084++(2019)+ADSORPTION+OF+MULTICOMPONENT+SOLUTION+OF+Cu(II)+IONS%2C+METHYLENE+BLUE%2C+AND+CRYSTAL+VIOLET+ON+ADSORBENT+BIOMASS+Porphyridium+sp.+SILICA-MAGNETITE+(Fe3O4).++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F55659%2F