?url_ver=Z39.88-2004&rft_id=1817011017&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+KOMPARASI+ADSORBEN+DARI+KARBON+CANGKANG+BUAH%0D%0AKARET+(Hevea+brasiliensis)+YANG+DIMODIFIKASI+DENGAN+AGEN%0D%0AMAGNETIT+DAN+(3-AMINOPROPYL)-TRIETHOXYSILANE+(APTES)%0D%0ATERHADAP+ADSORPSI+METILEN+BIRU+DAN+COOMASSIE%0D%0ABRILLIANT+BLUE&rft.creator=Jilda+Sofiana+Dewi+%2C+1817011017&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.description=Pada+penelitian+ini+telah+dilakukan+pembuatan+dan+karakterisasi+karbon+dari%0D%0Acangkang+buah+karet+(Havea+brasiliensis)+yang+dimodifikasi+dengan+pelapisan%0D%0Amagnetit+untuk+menghasilkan+karbon-magnetit+(KM)+dan+modifikasi+dengan+silan%0D%0A(3-Aminopropyl)-Triethoxysilane+(APTES)+untuk+menghasilkan+karbon-silan+(KS)%0D%0Asebagai+adsorben+zat+warna+metilen+biru+dan+Coomassie+Brilliant+Blue+(CBB).%0D%0AKarakterisasi+pada+adsorben+dilakukan+dengan+menggunakan+spektrofotometer%0D%0AFourier+Transform+Infra+Red+(FTIR)+untuk+mengidentifikasi+gugus+fungsi%2C+X-Ray%0D%0ADiffraction+(XRD)+untuk+mengidentifikasi+tingkat+kristalinitas+dan+Scanning%0D%0AElectron+Microscope-Energy+Dispersive+X-Ray+(SEM-EDX)+untuk+mengetahui%0D%0Amorfologi+permukaan+dan+mengidentifikasi+komposisi+unsur.+Adsorpsi%0D%0Amonokomponen+metilen+biru+dan+CBB+oleh+KM+dan+KS+optimum+seluruhnya+pada%0D%0ApH+9+dan+5%2C+waktu+kontak+30+dan+60+menit+dengan+konsentrasi+maksimum+300+ppm.%0D%0AData+kinetika+zat+warna+metilen+biru+dan+CBB+terhadap+adsorben+KM+dan+KS%0D%0Acenderung+mengikuti+model+kinetika+pseudo+orde+dua+dan+isoterm+adsorpsi%0D%0Acenderung+mengikuti+model+isoterm+Freundlich%2C+kecuali+zat+warna+CBB+terhadap%0D%0AKS+yang+cenderung+mengikuti+model+isoterm+Langmuir.+Kapasitas+adsorpsi+karbon%0D%0Adan+KM+pada+sistem+bikomponen+lebih+baik+dalam+mengadsorpsi+metilen+biru%2C%0D%0Asedangkan+KS+lebih+baik+dalam+mengadsorpsi+CBB.+Persen+desorpsi+tertinggi+KS%0D%0Aterjadi+pada+eluen+etanol+40%25+yang+didominasi+oleh+ikatan+hidrogen.+Adsorben+KS%0D%0Adapat+digunakan+berulang+hingga+3+kali+pengulangan+untuk+mengadsorpsi+CBB%0D%0Ayang+ditunjukkan+dengan+hasil+persen+adsorpsi+%3E70%25.%0D%0AKata+kunci%3A+Adsorpsi%2C+karbon%2C+cangkang+buah+karet%2C+metilen+biru%2C+CBB%2C+magnetit%2C%0D%0Adan+APTES.%0D%0A%0D%0AIn+this+study%2C+the+production+and+characterization+of+carbon+from+rubber+fruit+peels%0D%0A(Havea+brasiliensis)+using+type+coating+to+produce+carbon-magnet+(KM)+and%0D%0Amodification+with+silane+(3-Aminopropyl)-Triethoxysilane+(APTES)+to+produce%0D%0Acarbon-silane+(KS)+as+adsorbents+for+methylene+blue+and+Coomassie+Brilliant+Blue%0D%0A(CBB)+dyes+has+been+successful.+Characterization+of+the+adsorbents+was+carried+out%0D%0Ausing+a+Fourier+Transform+Infra+Red+(FTIR)+spectrophotometer+to+identify%0D%0Afunctional+groups%2C+X-Ray+Diffraction+(XRD)+to+identify+crystallinity+levels+and%0D%0AScanning+Electron+Microscope-Energy+Dispersive+X-Ray+(SEM-EDX)+to%0D%0Adetermine+surface+morphology+and+identify+the+elemental+composition.%0D%0AMonocomponent+adsorption+of+methylene+blue+and+CBB+by+KM+and+KS+were+all%0D%0Aoptimum+at+pH+9+and+5%2C+contact+time+of+30+and+60+minutes+with+a+influence+of+initial%0D%0A300+ppm.+Kinetic+data+of+methylene+blue+and+CBB+dyes+on+KM+and+KS+adsorbents%0D%0Atended+to+follow+the+pseudo-second+order+kinetic+model+and+adsorption+isotherms%0D%0Atended+to+follow+the+Freundlich+isotherm+model%2C+except+for+CBB+dyes+to+KS+which%0D%0Atended+to+follow+the+Langmuir+isotherm+model.+The+adsorption+capacity+of+carbon%0D%0Aand+KM+in+the+bicomponent+system+was+better+at+adsorption+of+methylene+blue%2C%0D%0Awhile+KS+was+better+at+adsorption+of+CBB.+The+highest+desorption+percentage+of%0D%0AKS+occurred+at+40%25+ethanol+eluent+which+was+dominated+by+hydrogen+bonds.+KS%0D%0Aadsorbent+can+be+used+repeatedly+up+to+3+times+to+adsorb+CBB+which+is+indicated%0D%0Aby+the+result+of+adsorption+percentage+%3E70%25.%0D%0AKeywords%3A+Adsorption%2C+carbon%2C+rubber+fruit+shell%2C+methylene+blue%2C+CBB%2C%0D%0Amagnetite%2C+and+APTES.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2022-07-05&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F64483%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F64483%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F64483%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Jilda+Sofiana+Dewi+%2C+1817011017++(2022)+STUDI+KOMPARASI+ADSORBEN+DARI+KARBON+CANGKANG+BUAH+KARET+(Hevea+brasiliensis)+YANG+DIMODIFIKASI+DENGAN+AGEN+MAGNETIT+DAN+(3-AMINOPROPYL)-TRIETHOXYSILANE+(APTES)+TERHADAP+ADSORPSI+METILEN+BIRU+DAN+COOMASSIE+BRILLIANT+BLUE.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F64483%2F