?url_ver=Z39.88-2004&rft_id=1817011004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ADSORPSI+ZAT+WARNA+KRISTAL+VIOLET+DAN+METIL+ORANYE%0D%0AOLEH+ADSORBEN+BIOMASSA+ALGA+Sargassum+sp.%0D%0AYANG+DIMODIFIKASI+DENGAN+SURFAKTAN%0D%0AHexadechyltrimethylammonium+Bromide%0D%0A(HDTMA-+Br)&rft.creator=+TRI++APRIYANI%2C+1817011004&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Pada+penelitian+ini+dilakukan+adsorpsi+menggunakan+adsorben+biomassa+alga%0D%0ASargassum+sp.+yang+dimodifikasi+menggunakan+larutan+NaCl+dan+HDTMA-Br+oleh%0D%0Azat+warna+kristal+violet+dan+metil+oranye.+Adsorben+yang+dihasilkan+adalah+alga%2C%0D%0Aalga-Na%2C+dan+alga-HDTMA+dikarakterisasi+dengan+Fourier+Transform+Infra+Red%0D%0A(FTIR)+untuk+mengetahui+gugus+fungsi+dan+Scanning+Structural+Equation%0D%0AModelling+with+Energy+Dispersive+X-Ray+(SEM-EDX)+untuk+mengetahui+morfologi%0D%0Apermukaan+dan+komposisi+unsur+pada+adsorben.+Hasil+modifikasi+alga-Na+dan+alga-%0D%0AHDTMA+ditandai+dengan+munculnya+puncak+pada+bilangan+gelombang+1419%2C61%0D%0Acm-1+yang+menunjukkan+adanya+ikatan+O-Na+serta+1465%2C90+cm-1+yang+menunjukkan%0D%0Aadanya+kelompok+metil+dari+HDTMA+pada+karakterisasi+FTIR%2C+adanya+butiran%0D%0Ahalus+yang+menempel+serta+area+permukaan+yang+luas+pada+alga+menandakan%0D%0Akeberadaan+Na+dan+Br+pada+mikrograf+SEM%2C+serta+adanya+unsur+Na+dan+Br+pada%0D%0Aspektrum+EDX.+Hasil+adsorpsi+zat+warna+kristal+violet+dan+metil+oranye+optimum%0D%0Amasing+%E2%80%93+masing+pada+pH+9+(94%2C799%25)+dan+5+(98%2C325%25)%2C+waktu+kontak+120+menit%2C%0D%0Adan+konsentrasi+250+mg%2FL+pada+larutan+monokomponen+serta+0%2C76+mmol%2FL+pada%0D%0Alarutan+bikomponen.+Laju+adsorpsi+zat+warna+kristal+violet+dan+metil+oranye%0D%0Aterhadap+adsorben+alga%2C+alga-Na%2C+dan+alga-HDTMA+cenderung+mengikuti+model%0D%0Akinetika+pseudo+orde+dua+dan+isoterm+adsorpsinya+cenderung+mengikuti+model%0D%0Aisoterm+Freundlich.+Penggunaan+ulang+adsorben+Alga-HDTMA+dilakukan%0D%0Asebanyak+4+kali+siklus+pengulangan+dengan+%25+adsorpsi+kristal+violet+%3E90%25+serta%0D%0Ametil+oranye+%3E80%25+yang+menunjukkan+adsorpsi+alga-HDTMA+efektif+dalam%0D%0Amengadsorpsi+zat+warna+kristal+violet+dan+metil+oranye.%0D%0AKata+kunci+%3A+Adsorpsi%2C+alga+Sargassum+sp.%2C+kristal+violet%2C+metil+oranye%2C+HDTMA-%0D%0ABr%0D%0A%0D%0AABSTRACT%0D%0AADSORPTION+OF+CRYSTAL+VIOLET+AND+METHYL+ORANGE+DYES%0D%0ABY+ALGAE+Sargassum+sp.+BIOMASS+ADSORBENT+MODIFIED+WITH%0D%0ASURFACTANT+Hexadechyltrimethylammonium+Bromide%0D%0A(HDTMA-Br)%0D%0ABy%0D%0ATRI+APRIYANI%0D%0AIn+this+study%2C+adsorption+process+was+carried+out+using+the+Sargassum+sp.+algae%0D%0Abiomass+adsorbent+modified+using+NaCl+and+HDTMA-Br+solutions+against+by%0D%0Acrystal+violet+and+methyl+orange+dyes.+The+adsorbents+produced+by+algae%2C+algae-Na%2C%0D%0Aand+algae-HDTMA+were+characterized+by+Fourier+Transform+Infra-Red+(FTIR)+to%0D%0Adetermine+the+functional+group+and+Scanning+Structural+Equation+Modeling+with%0D%0AEnergy+Dispersive+X-Ray+(SEM-EDX)+to+determine+the+surface+morphology+and%0D%0Aelemental+composition+of+the+adsorbent.+The+results+of+modified+algae-Na+and%0D%0Aalgae-HDTMA+were+indicated+by+the+appearance+of+a+peak+at+wave+number+1419.61%0D%0Acm-1%2C+which+showed+the+presence+of+O-Na+bonds%2C+and+1465.90+cm-1%2C+which+showed%0D%0Athe+presence+of+a+methyl+group+from+HDTMA+in+the+FTIR+characterization.+The%0D%0Apresence+of+refined+grains+attached+and+a+large+surface+area+in+the+algae+indicated%0D%0Athe+presence+of+Na+and+Br+on+SEM+micrographs+and+the+presence+of+Na+and+Br%0D%0Aelements+in+the+EDX+spectrum.+The+adsorption+results+of+crystal+violet+and+methyl%0D%0Aorange+results+dye+were+optimum+at+pH+9+(94%2C779%25)+and+5+(98%2C325%25)%2C+a+contact%0D%0Atime+of+120+minutes%2C+and+a+concentration+is+250+mg%2FL+in+monocomponent+solution%0D%0Aand+0.76+mmol%2FL+in+bicomponent+solution.+The+adsorption+rate+of+crystal+violet+and%0D%0Amethyl+orange+dyes+are+on+algae%2C+algae-Na%2C+and+algae-HDTMA+adsorbents+tended%0D%0Ato+follow+the+pseudo-second-order+kinetic+model+and+the+adsorption+isotherm%0D%0Atended+to+follow+the+Freundlich+isotherm+model.+The+reuse+of+Algae-HDTMA%0D%0Aadsorbent+was+carried+out+for+four+cycles+with+adsorption+of+crystal+violet+%3E90%25%0D%0Aand+methyl+orange+%3E80%25%2C+which+showed+that+algae-HDTMA+adsorption+was%0D%0Aeffective+in+adsorption+of+crystal+violet+and+methyl+orange+dyes.%0D%0AKeyword%3A+Adsorption%2C+Sargassum+sp.+algae%2C+crystal+violet+dye%2C+methyl+orange+dye%2C%0D%0AHDTMA-Br&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2022-07-28&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65166%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65166%2F1%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65166%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++TRI+APRIYANI%2C+1817011004++(2022)+ADSORPSI+ZAT+WARNA+KRISTAL+VIOLET+DAN+METIL+O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