?url_ver=Z39.88-2004&rft_id=1917011018&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=MODIFIKASI+BIOMASSA+ALGA+Sargassum+sp.+DENGAN+SURFAKTAN%0D%0ACETYLTRIMETHYLAMMONIUM+CHLORIDE+(CTAC)+SEBAGAI%0D%0AADSORBEN+KRISTAL+VIOLET+DAN+ANION+NITRAT+DALAM+LARUTAN&rft.creator=YOHANA+%2C+RIZKY+NORA+SIMATUPANG+&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=%0D%0APada+penelitian+ini+telah+dilakukan+modifikasi+biomassa+alga+Sargassum+sp.%0D%0Amenggunakan+surfaktan+Cetyltrimethylammonium+Chloride+(CTAC).+Adsorben%0D%0Ayang+digunakan+untuk+mengadsorpsi+kristal+violet+dan+anion+nitrat+dalam+larutan%0D%0Aadalah+adsorben+alga%2C+alga-Na%2C+dan+alga-CTAC.+Karakterisasi+adsorben+dilakukan%0D%0Amenggunakan+FTIR+untuk+mengidentifikasi+gugus+fungsi+dan+SEM-EDX+untuk%0D%0Amengetahui+morfologi+permukaan+dan+komposisi+unsur.+Adsorpsi+monokomponen%0D%0Aadsorben+alga%2C+alga-Na%2C+dan+alga-CTAC+terhadap+kristal+violet+berturut-turut%0D%0Aoptimum+pada+pH+4%2C+6%2C+dan+5+sedangkan+terhadap+anion+nitrat+3%2C+5%2C+dan+10.+Waktu%0D%0Akontak+optimum+adsorben+alga%2C+alga-Na%2C+dan+alga-CTAC+terhadap+kristal+violet%0D%0Aberturut-turut+120%2C+30%2C+dan+60+menit+sedangkan+semua+adsorben+terhadap+anion%0D%0Anitrat+15+menit+dengan+konsentrasi+optimum+masing-masing+300+ppm.+Kinetika%0D%0Aadsorpsi+kristal+violet+dan+anion+nitrat+cenderung+mengikuti+kinetika+pseudo+orde%0D%0Adua+dan+isoterm+adsorpsinya+cenderung+mengikuti+model+isoterm+Freundlich%0D%0Akecuali+kristal+violet+terhadap+alga-CTAC+yang+cenderung+mengikuti+isoterm%0D%0ALangmuir.+Hasil+uji+adsorpsi+pasangan+larutan+bikomponen+semua+adsorben%0D%0Acenderung+lebih+baik+dalam+mengadsorpsi+kristal+violet.+Mekanisme+adsorpsi+yang%0D%0Adilakukan+pada+alga-CTAC+terhadap+kristal+violet+menunjukkan+interaksi%0D%0Apertukaran+ion+dan+interaksi+fisika%2C+sedangkan+mekanisme+adsorpsi+alga+terhadap%0D%0Aanion+nitrat+menunjukkan+interaksi+fisika.+Adsorpsi+dengan+menggunakan+adsorben%0D%0Aalga-CTAC+terhadap+kristal+violet+dan+alga+terhadap+anion+nitrat+efektif+digunakan%0D%0Ahingga+empat+kali+pengulangan+dengan+persen+adsorpsi+%3E60%25.%0D%0AKata+kunci+%3A+adsorpsi%2C+kristal+violet%2C+anion+nitrat%2C+CTAC%2C+Sargassum+sp.%0D%0A%0D%0A+In+this+research%2C+modification+of+Sargassum+sp.+algae+biomass+using%0D%0ACetyltrimethylammonium+Chloride+(CTAC)+surfactant+has+been+carried+out.+The%0D%0Aadsorbents+used+to+adsorb+crystal+violet+and+nitrate+anions+in+solution+are+algae%2C%0D%0Aalgae-Na%2C+and+algae-CTAC.+Characterization+of+the+adsorbent+was+carried+out+using%0D%0AFTIR+to+identify+functional+groups+and+SEM-EDX+to+determine+surface%0D%0Amorphology+and+elemental+composition.+The+adsorption+of+monocomponent%0D%0Aadsorbent+algae%2C+algae-Na%2C+and+algae-CTAC+to+crytsal+violet+was+optimum+at+pH+4%2C%0D%0A6%2C+and+5+respectively+while+to+nitrate+anion+3%2C+5%2C+and+10.+Optimum+contact+time+for%0D%0Aalgae%2C+algae-Na%2C+and+algae-CTAC+adsorbents+to+crystal+violet+were+120%2C+30%2C+and+60%0D%0Aminutes+respectively%2C+while+all+adsorbenst+to+nitrate+anion+were+15+minutes+with%0D%0Aoptimum+concentrations+of+300+ppm.+The+adsorption+kinetics+of+crystal+violet+and%0D%0Anitrate+anion+tend+to+follow+pseudo+second+order+kinetics+and+their+adsorption%0D%0Aisotherms+tned+to+follow+the+Freundlich+isotherm+model+except+for+crystal+violet+to%0D%0Aalgae-CTAC+which+tends+to+follow+the+Langmuir+isotherm.+The+results+of+the%0D%0Aadsorption+test+of+the+bicomponent+solution+pair+of+all+adsorbents+tended+to+be+better%0D%0Aat+adsorbing+crystal+violet.+The+adsorption+mechanism+performed+on+the+algae-%0D%0ACTAC+on+crystal+violet+shows+ion+exchange+interactions+and+physical+interactions%2C%0D%0Awhile+the+alge+adsorption+mechanism+on+nitrate+anion+shows+a+physical+interaction.%0D%0AAdsorption+using+the+algae-CTAC+adsorbent+for+crystal+violet+and+algae+on+nitrate%0D%0Aanion+were+efeectively+used+up+to+four+repetitions+with+an+adsorption+percentage+of%0D%0A%3E60%25.%0D%0AKeywords+%3A+adsorption%2C+crystal+violet%2C+nitrate+anion%2C+CTAC%2C+Sargassum+sp.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-07-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74226%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74226%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74226%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++YOHANA+%2C+RIZKY+NORA+SIMATUPANG+++(2023)+MODIFIKASI+BIOMASSA+ALGA+Sargassum+sp.+DENGAN+SURFAKTAN+CETYLTRIMETHYLAMMONIUM+CHLORIDE+(CTAC)+SEBAGAI+ADSORBEN+KRISTAL+VIOLET+DAN+ANION+NITRAT+DALAM+LARUTAN.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F74226%2F